Cobra Den Series

$$$ Cash Awarded The top male and top female who run the most miles during the 36-hour event will each receive $500 cash. Moccasin Ultra Fest Moccasin Ultra Fest – 36 Hours. Your Miles. Your Way.Get ready to take on as many miles as you want at Moccasin Ultra Fest—a 36-hour timed trail run on a fast, flat 4-mile loop along the scenic Wolf River Trails in Memphis, TN.We kick things off on December 31 and run straight through January 1—taking you from the final miles of one year into the first miles of the next.Once the clock starts, it counts down from 36 hours to zero—and how far you go is completely up to you. Run hard, cruise easy, take breaks, reset, and jump back in whenever you’re ready. This is your race, your pace.Come and go as you please. Stay on course the entire time, rest at your setup, or head out for real sleep and return later—we’ll be here the whole time keeping the race alive.As the sun sets, everything changes. The course lights up with glowing bridges, illuminated trails,

and that iconic blue bridge shining through the night. Add in Christmas lights, holiday decorations, and a bonfire at the Start/Finish, and you’ve got an atmosphere that carries you straight into the New Year.Bring your own 10x10 canopy tent and deck it out—lights, decorations, New Year vibes, all of it. Turn your spot into part of the party.Every 4-mile loop brings you back through the heart of the action. You’ll pass your tent, mark an “X” on the results board, and head back out. Each time through, you’ll run past a row of lit-up tents packed with runners and crews—music, cheering, energy everywhere. It’s a constant boost lap after lap.This format is perfect if you’re chasing a 100-mile buckle or just looking to push your limits on a course built to keep you moving.Finish the year strong. Start the next even stronger. Location, Dates, and Time Location: Wolf River Refuge TrailheadS. Walnut Bend Rd.Memphis, TNStart: New Year’s Eve — December 31 at 7:00 AMFinish: January 1 at 7:00 PMTim

e Limit: 36 Hours 4 mile course loop Cash, Buckles, Medals, and Swag All participants will earn awards based on distance completed:1 Loop (4 Miles): Finisher Medal13 Loops (52 Miles - 99 miles): 52+ Mile Buckle25 Loops (100 Miles): 100-Mile Buckle Sub-24 Hour 100 Miles: Exclusive Sub-24 Hour 100-Mile BuckleCash AwardsTop Male & Female (Most Miles in 36 Hours): $500 EachRace SwagEvery runner will receive a Bella Canvas fleece collection soft style hoodie — ultra-soft, comfortable, and built for everyday wear. Rules No pacers allowed.Trekking poles are allowed, but not necessary for this course.No littering — this includes aid stations, trails, and the finish line area.Stay on the marked course at all times.Headphones are allowed, but this course will have a high volume of runners. Please stay aware of your surroundings and be respectful when others are passing.You are responsible for the behavior of your crew and any support.If you receive IV fluids, oxygen, or sustain a serious injury, your

race is over.No cheating. If you have to ask… it probably is.No stashing supplies on the course Your official mileage will be the last completed loop recorded on the board when the 36-hour time limit ends. Aid Station There will be 1 fully manned Aid Station at the Start/Finish line. This will be set-up as a "help yourself" aid station. We will have a ton of food, drinks, snacks, etc. all laid out on tables and will cook food as necessary. You can expect good foods, soups, coffee, and other warm things to help keep you warm. The aid station will be under a canopy tent, with walls up, heaters, chairs, blankets, etc. It will be a safe place for you to sit under before you go back out for your run. The runner must bring their own special dietary Nutrition or Hydration needs. Photographer Professional photography will be taken throughout the entire 36-hour race. Please wear your bib on the front so our photographer can easily identify you on course.All photos are paid for by the race

organization and will be free for runners to download and share with friends and family. For More Information For additional race details, updates, and important announcements, please stay connected with us:Private Facebook Group: Mamba Trail RunnersInstagram: @moccasinultrafest and @mambatrailrunners Deferrals & Refunds All registrations for the Moccasin Ultra Fest are non-refundable and non-transferable. No refunds and no bib transfers will be permitted.Entries may be deferred for race credit based on the following timeline:50% race credit if deferred at least 60 days prior to the race25% race credit if deferred at least 30 days prior to the raceNo race credit after December 24th, 2026These policies are in place due to the planning, permits, and resources required to organize an event of this size. Weather Late December weather in Memphis can be drastic. It can be 80 degrees or 30 degrees for the High. It could be raining, snowing, freezing rain, or sunny. Normal weather: Highs in the

upper 40's to lower 50's and Lows in the upper 20's to 30's. In 2023 during the same time frame of Dec. 27-28 - the High was 53 and the Low was 35. Please dress accordingly. A jacket, winter hat of some kind, long pants, and gloves are recommended to have in your personal drop bag. Accommodations The Wolf River Refuge Trailhead (start / finish line) is located right off Germantown Parkway and there are numerous hotels, restaurants, grocery stores, gas stations, etc. all along Germantown Parkway. Everything you can possibly need is within a mile or two from the Trailhead. Event's current local time: 4:15 AM CT

Race Information The King 7 Miler & Half Marathon will take place on the scenic Wolf River Trails, the same trail system used for the Mamba 100. Runners will experience smooth, flowing singletrack trails that are mostly flat, fast, and very runnable through the heart of Memphis. Whether you're brand new to trail running or a highly experienced runner, this event is designed for all ability levels. With generous cutoff times, fully stocked aid stations, and a fun summer race atmosphere, this is the perfect opportunity to enjoy the trails, challenge yourself, and build momentum heading into the fall racing season.The course also serves as a preview of the Mamba 100 course. Participants will run on the exact same trails and route used during the Mamba 100. The full Mamba 100 loop is 14 miles, and the Half Marathon course will follow that loop with a shortened section removed to create the official 13.1 mile distance. Race Day Information -This is a cupless race, so please bring your own

handheld bottle, hydration vest, or another way to carry water.-All orange ground flags and course markings should be followed with the flags on your RIGHT side.-There will be two sections of the course where runners will travel in both directions, so you may see flags on both your right and left side. One section will be near the Bridge Aid Station, and the other will be near the large Wolf River Bridge on the Half Marathon route.-A fully stocked Aid Station will be located around Mile 3.5 of the 7 Mile course. Half Marathon runners will pass fully stocked Aid Stations around Mile 3.5 and Mile 8.5.-The Start/Finish Line Aid Station will be fully stocked with food, music, cooling towels, fans, ice-cold water, and plenty of race-day energy.-Please wear your race bib on the FRONT of your body so our photographer can clearly see your bib number and capture your race photos throughout the course.-All participants will receive a custom finisher medal. Packet Pickup Packet Pickup is Friday,

August 14th from 4-6pm at the Wolf River Refuge Trailhead. This is where the start/finish line will be. You can also pick up your bib on race morning but try to get it by 6:30am so we can start the race on time.The course will be marked by Noon on Friday, August 14th. You are welcome to run the course any time after that. The trails close at dark on Friday evening. 7 mile course Parking Parking will be at the Wolf River Refuge Trailhead. When all parking spots are filled, please park on the grass on the backside of the parking lot. Aid Stations The North Mississippi Endurance crew will be manning a fully stocked Aid Station at Mile 3.7 for all runners. This is where the 7 milers will turn around and head back to the Finish line on the Yellow trail. The Half Marathoners will continue past this Aid Station for about 6 miles, then will hit this same Aid Station again around Mile 9.5. Please bring a water bottle or wear a hydration vest if you are running the Half Marathon. Post Race Please

stick around after the race as we recognize the Top 3 Overall Male and Female finishers along with Age Group Award winners for both race distances. Contact Information For more information join these pages:Facebook Group: Mamba Trail Runners (this page is packed with information from group challenges to a runner's bio.)Instagram: Mamba Trail RunnersYoutube: Mamba Trail RunnersWebsite: www.mambatrailrunners.com Refunds There are no refunds in each race or series of the Cobra Den Trail Races. Money has already been spent reserving the park trails, parking, porta pottys, food, etc. There are no roll-over credits to another race. Weather The race will be held in the summer months and Memphis is very hot and humid. Each race will start at 7am. Caution is required when running these races. Memphis also experiences summertime storms and these can be short-lived or very damaging. The RD has the right to postpone or cancel the race due to weather. We will do everything we can to get the race in at 7

am but safety of runners are our #1 priority. Event's current local time: 3:16 AM CT

Mamba 100 The Mamba 100 is where endurance athletes come to test their limits on the cleanest, fastest dirt trails in the Southeast. This Western States Qualifier draws runners from across the country to tackle the legendary Wolf River singletrack, chase new PRs, and earn all-new 2026 buckles and medals, including the coveted Sub-20 and Sub-24 hour 100-mile buckles. With world-class photographers capturing every moment, seamless course marking, unmatched community support, and a race weekend that feels more like a celebration than a competition, the Mamba 100 is the event you’ll talk about all year. Western States Qualifier Race Mamba 100 Miler is officially a Western States Qualifying Race.To earn your WSER qualifier, runners must complete the full 100 miles within the 34-hour cutoff. Packet Pickup Packet Pickup for the Mamba 100 will be held Thursday, November 5th at the Start/Finish line located at the Wolf River Refuge Trailhead on S. Walnut Bend Dr., Memphis, TN 38120, from 2:00 pm to

7:00 pm (CT).During this time, runners may also set up their 10x10 canopy tents for personal aid stations and/or crew use.Please remember: do not leave any food out overnight. Deer, raccoons, and armadillos will happily turn your supplies into their own late-night buffet. Refunds, Transfers, and Deferrals NO REFUNDSNO BIB TRANSFERSEntry can be deferred for 100% race credit if requested at least 6 months prior to race day.Entry can be deferred for 75% race credit if requested at least 4 months prior to race day.Entry can be deferred for 50% race credit if requested at least 2 months prior to race day.Entry can be deferred for 25% race credit if requested at least 2 weeks prior to race day.NO DEFERRALS 2 WEEKS FROM RACE DATE. NO CREDIT WILL BE GIVEN. Dates and Times 100 Mile - Friday, November 6, 7:00AM100k - Friday, November 6, 7:00PM50k - Saturday, November 7, 7:00AM25k - Saturday, November 7, 9:00AM Course Description The Mamba course is centered around a 14-mile loop of flat, fast, and

smooth single-track with just a few small hills. Every race starts with a short “lead-in” section before runners enter the main loop.Race Distances & Loop Breakdown100 Miler - 7 loops + 2-mile start section / Total ≈ 100 miles100K - 4 loops + 6-mile start section / Total ≈ 62 miles50K - 2 loops + 3-mile start section / Total ≈ 31 miles25K - 1 loop + 1.5-mile start section / Total ≈ 15.5 miles Mamba 100 video Aid Stations (breakdown) All race distances utilize a 14-mile loop course with two primary aid stations:Bridge Aid Station (approximately miles 4.5 and 9.5 each loop)Start/Finish Aid Station (mile 14 of each loop)Runners can expect consistent aid approximately every 4–5 miles throughout the course.Each distance includes an additional out-and-back or extended segment at the beginning to achieve the full race mileage.100 MileThe 100-mile race begins with a 2-mile out-and-back before entering the 14-mile loop system.Aid Station Breakdown:6.5 – Bridge10.5 – Bridge16 – Start/Finish20.5

– Bridge25.5 – Bridge30 – Start/Finish34.5 – Bridge39.5 – Bridge44 – Start/Finish48.5 – Bridge53.5 – Bridge58 – Start/Finish62.5 – Bridge67.5 – Bridge72 – Start/Finish76.5 – Bridge81.5 – Bridge86 – Start/Finish90.5 – Bridge95.5 – Bridge100 – Finish100KThe 100K begins with a 6-mile segment before entering the loop course.Aid Station Breakdown:6 – Start/Finish10.5 – Bridge15.5 – Bridge20 – Start/Finish24.5 – Bridge29.5 – Bridge34 – Start/Finish38.5 – Bridge43.5 – Bridge48 – Start/Finish52.5 – Bridge57.5 – Bridge62 – Finish50KThe 50K begins with a 3-mile segment before entering the loop.Aid Station Breakdown:3 – Start/Finish7.5 – Bridge12.5 – Bridge17 – Start/Finish21.5 – Bridge26.5 – Bridge31 – Finish25KThe 25K begins with a 1.5-mile out-and-back before joining the loop.Aid Station Breakdown:6 – Bridge11 – Bridge15.5 – FinishAid Station SupportOur aid stations are fully stocked and built to take care of you all day and night.You

can expect:Tailwind as the primary race hydrationWater, Gatorade, and Coca-Cola productsA wide variety of standard ultra nutrition (sweet, salty, and everything in between)During the race, you’ll find:Pizza rollsCheese sticksGrilled cheeseCheese quesadillasPeanut butter & jelly sandwichesChicken nuggetsChipsMashed potatoes in a bowlCandy and chocolateAnd plenty more optionsDuring the evening and overnight hours, we add hot food, including:HamburgersHot dogsHot soupsRamenBrothLasagna served at the Start/Finish Aid StationAdditional rotating hot itemsThere will be more food than you know what to do with, and our aid stations will be well stocked from start to finish.Additional NotesThe Start/Finish Aid Station serves as the primary hub for crew, drop bags, personal aid station, canopy tent, and runner support (where applicable) 100k first 6 miles Route map for Mamba 100k - First 6 Miles by James Boler on plotaroute.com 100 miler - first 1.8 miles 50k - first 3 miles 25k - first 1.5 miles

Awards, Medals, and Buckles • Top 3 Male & Female in every race distance receive awards.• 100 Mile:– Sub-20 Hour buckle– Sub-24 Hour buckle– All 100-mile finishers earn a custom Mamba buckle• 100K: All finishers earn a 100K buckle• 50K & 25K: All finishers earn finisher medalsAll buckle and medal designs are brand-new this year.Note: We do not offer drop-down buckles or medals for any distance. Every award is earned for the race you complete. 14 mile loop Locations The Mamba 100 is held at the Wolf River Refuge Trailhead on S. Walnut Bend Rd., Memphis, TN 38120. This is also the location for Packet Pickup on Thursday, November 5th from 2:00–7:00 pm.The trailhead sits just off Germantown Parkway, directly across the street from the Shell Gas Station and Lowe’s, making it easy and convenient to find. Race Rules Mamba Trail Runners — Race Rules Every runner is responsible for knowing and following all rules.These are standard ultra rules — not overly restrictive.Most issues happen from mis

understanding, not cheating.General Race RulesNo dropping down in distance during the race.No muling — runners must carry their own gear, food, and water.Crew can only access their runner at the Start/Finish line area.Crew may not assist or access their runner anywhere else on the course.Trekking poles are allowed — be courteous around others.Pacers must run the entire 14-mile loop with their runner.Pacers and crew must follow all rules — see “Aid Station & Pacers” for full details.No littering at aid stations, on trails, or at the finish line.No course cutting or shortcuts — stay on the marked course.If you don’t follow the course as marked, you will not receive an official time or award.Race must be completed on foot only (no bikes, scooters, skateboards, roller skates, vehicles, sled dogs,).Headphones are allowed, but remove them when approaching aid stations.Be respectful when runners approach to pass — stay aware of your surroundings.You are responsible for the behavior of your crew

and pacers.Rude or disrespectful behavior toward volunteers, staff, other runners, hikers, or cyclists can result in disqualification.If you receive an IV, oxygen, or have a serious injury, your race is over.Drop bags are allowed at the Start/Finish line area only.No stashing of supplies along the course — use official drop bag location only.No cheating. If you have to ask if it’s cheating… it probably is.🧍 Age Requirements100 Miler: 18+100K: 18+50K: 16+ (Parent/Guardian must sign waiver)25K: 13+ (Parent/Guardian must sign waiver) Sponsors We would love for you or your company to sponsor the Mamba 100. We have many different types of sponsorships available. Please reach out to [email protected] if interested. Sponsoring the race will guarantee you a 10x10 canopy tent spot right by the Start/Finish line of the race. Pacers Pacers are permitted for the 100 miler and the 100k distances only. -No pacers allowed for the 50k and 25k distances.-One pacer at a time per runner-Pick-up

location: Pacers may only begin from the Start/Finish Aid Station and run the entire loop with their runner. -100-mile runners: Pacers may begin at Loop 4.-100k runners: Pacers may begin at Loop 3. Pacer Rules: -Pacers must sign a release form and pick up a pacer bib at packet pickup or before their pacing duties. -Pacer must stay with their runner at all times.-Pacers must enter and exit with their runner at all times (aid stations)-No muling: Pacers may not carry water, food, lights, or gear for their runner.-Pacers may receive aid at aid stations and carry their own supplies.-If a runner drops, the pacer must stop as well.-In case of emergency, a pacer may leave a downed runner only to seek aid at the next aid station. The runner will be withdrawn from the event for safety. -Pacers are companions - not leaders. Runners are responsible for navigating the course. Drop Bags Drop bags are only permitted at the Start/Finish line area. For runners who don’t have their own personal canopy,

we’ll have a dedicated 10x30 grey “Runners Tent” set up for you. You’re welcome to place your gear inside and access it after each 14-mile loop. This space will be covered, easy to find, and open throughout the race to keep you organized and moving strong. Photographers We’re bringing in two of the absolute best.Jenny Thorson and Misty Herron will be the official photographers of the race, capturing every gritty, joyful, and unforgettable moment. These two are masters of their craft—their work has been featured in major publications, ultra-running magazines, and more.And the best part? Every single photo from the race is 100% free for all runners to download, share, and keep.Get ready for world-class photos that tell the full story of your race experience. Accommodations The Wolf River Refuge Trailhead (start / finish line) is located right off Germantown Parkway and there are numerous hotels, restaurants, grocery stores, gas stations, etc. all along Germantown Parkway. Everything you can

possibly need is within a mile or two from the Trailhead.Holiday Inn Express & Suites 7784 Wolf Trail Cove Germantown, TN 38138 (901) 309-6700Courtyard Memphis/Germantown 7750 Wolf River Blvd. Germantown, TN 38138 (901) 751-0230Homewood Suites 7855 Wolf River Blvd. Germantown, TN 38138 (901) 751-2500Hampton Inn & Suites 1680 S. Germantown Rd. Germantown, TN 38138 (901) 309-0555RV camping is also available at Agricenter International. The RV Park offers sites with sewer, 30-amp & 50-amp electrical hook-ups, water, dump station, restrooms, shower, and laundry facilities. The RV Park at Agricenter is the perfect location if you plan on bringing or renting an RV. The main car parking area for Viper is right across the street from the RV campground.Walmart and grocery stores are ~2 miles away.Restaurants - There are many restaurants packed up and down Germantown ParkwayBreakaway Running Store - less than a mile away for all your running needs and gear Trail Sisters Approved Race Mamba 100 is a

Trail Sisters Approved race — meaning every athlete can count on equal opportunities, equal podiums, equal swag, and a fully supportive race environment for women at every distance. Crew / Personal Aid Station rules No dog pens allowed.No open camp-fire flames. Solo stoves are allowed.No loud music at any time.Canopy tents should be 10x10. Please don’t use a 10x20 canopy tent for one person.Camping tents are allowed.No overnight camping at the Start/Finish line on Thursday night (November 6). Our team will be working through the night preparing for the race.Do not leave food out on Thursday evening. It will be gone by Friday morning.You may drive to the parking lot and unload on Thursday to set up your canopy tent.Tent setup begins at 1 PM on Thursday.Please take your tent and belongings with you when you leave on Saturday. Any leftover tents, tables, chairs, coolers, or other items will be removed on Saturday evening.Clean up your trash and take it to the dumpster located in the back of

the parking lot.We would like to avoid having to create an official dog policy, so please use good judgment.No dogs that bark constantly or show aggressive behavior.If you bring a dog, it must:Be on a leash at all times.Remain inside your canopy tent.Be cleaned up after — owners are responsible for picking up and disposing of all waste.Runners are responsible for the behavior and conduct of their crew.No drug use or smoking illegal substances.Be respectful of your neighbors and other participants. Cheer on runners as they pass.Place your tent directly next to your neighbor’s tent. If you leave a 5-foot gap, we will ask you to move it so there’s no space between tents. For More Information For more information join these pages:Facebook Group: Mamba Trail Runners (this page is packed with information from group challenges to a runner's bio.) Instagram: Mamba Trail RunnersYoutube: Mamba Trail Runners Event's current local time: 3:59 AM CT