THE LONGEST LIGHT

ZDU - CHASE THE NIGHT

PHASE ONE TRAINING GROUNDS

Phase One training grounds are bare bones, raw and real. Staged out of multiple areas in Spokane to include the Reardan Cross Country track in Seven Mile, Riverside State Park, and Mt Spokane State Park, all providing beautiful and challenging opportunities to forge holistic strength.

INSPIRATION

This a part of the Phase One Mission. A bare bones, self supported, invitation to move through the dark to appreciate the light. No firsts, No lasts. Zero Dark Ultra is an invitation to embrace the quiet darkness to reflect and find gratitude and hope while running or rucking through the night. This event is more than a race. It is an invitation to train for adversity, define resilience, and find hope, leaving no one behind.

EVENT OPTIONS

Run or RuckChase as many 1.56 mile loops as you canRuck Requirements: Pack/Vest - Not to exceed 45 pounds.Tiny Titans Ultra - an opportunity for parents to run side by side with their children as they take on one loop at 7 PM

COURSE DESCRIPTION / TERRAIN

1.56 Mile Continuous LoopTerrain: Dirt/Wood Chip Trail

CHECK IN

Friday 7 Aug - 3-5 PM - Fleet Feet @ Kendall Yards Saturday 8 Aug24 hour run - starting at 6 AM at Race LocationAll other events - 6 PM at Race Location

PRE RACE BRIEF/START

PRE RACE BRIEF24 HR RUN - 645 AMAll Other Events - 645 pmSTART24 HR - 7 AMAll Other Events - 7 PM

PARKING

Park in designated parking spacesTent Set Up: There will be designated areas for personal tents - plenty of space

SELF SUFFICIENCY

The aid station will have food and drink options but the runners / ruckers are encouraged to self support.Required Gear: Head lamp/running gear/food/water/electrolytes

AID STATION

1 semi-stocked Aid Station with:Endurance Fuel by Tailwind Nutrition as the your go-to liquid nutritionNeverSecond 30g carb gels to fuel you for the long game.1st Phorm protein bars and energy drinks to keep the vibe realWe will also have water and various snack options to supplement your fueling plan.

WHAT YOU GET

Everyone that signs up gets an awesome Phase One Training TeeCustom buckle for 100 Mile FinishersSweet patch for all other heroic contenders

SPONSORS

We are happy to announce Tailwind Nutrition as the official liquid nutrition sponsor of this years ZERO DARK ULTRA! Tailwind provides hydration, fuel, and recovery products to keep you going and feeling great throughout your races and adventures. We will have Tailwind Endurance Fuel on course at the main Aid Station.Using Endurance Fuel satisfies your caloric, electrolyte, and hydration needs. It is designed to be incredibly easy on the digestive system. The primary energy sources are dextrose (glucose) and sucrose, with a full complement of electrolytes. This approach to fueling has been the solution for many athletes, allowing them to avoid the dreaded gut bomb, bonking, and nausea that can come with more extended endurance events. Tailwind Endurance Fuel is vegan, gluten-free, and non-gmo.We have also partnered with Neversecond and are happy to support you with their C30 Energy Gel. Neversecond C30 Energy Gels deliver a scientifically proven 30 grams of carbohydrate in every serving, giving athletes the exact fueling they need without guesswork.

REFUND POLICY

No refunds at this time. Thank you for your understanding.

VOLUNTEERS

We are so grateful for any support we get from volunteers. To show our gratitude, we would like to offer:50% off Phase One event for 6 Hours of Volunteer Time100% off Phase One event for 12+ Hours of Volunteer Time

Event's current local time: 1:12 AM PT

PHASE ONE TRAINING GROUNDS

Phase One training grounds are bare bones, raw and real. Staged out of multiple areas in Spokane to include the Reardan Cross Country track in Seven Mile, Riverside State Park, and Mt Spokane State Park, all providing beautiful and challenging opportunities to forge holistic strength.

INSPIRATION

L.O.S is more than a race. It is a Phase One Mission - an invitation to train for adversity, define resilience, and find hope, leaving no one behind. L.O.S is an opportunity to maintain Line Of Sight and search for strength within. The beautiful part of this challenge is that everyone taps out, and invitation to humility.

RACE DESCRIPTION

Starting at 7 AM, you will run a 4 mile route every hour on the hour until there is a Last One Standing.Your challenge ends when:1) You do not make the 4 mile distance prior to the start of the hour.2) You hit your limit, with your chin up, tell the Race Director "I am tapping out".No Pacers allowed for this event.You will receive your well earned Phase One patch, only given to willing individuals who endure a Phase One Challenge.

COURSE DESCRIPTION

You will run 2 laps of the 1.56 mile course plus a lil extra out and back to make the 4 miles. Yes, that means you will hit the hill 3 times every hour. If you don't know what the hill is, please find out! It's a lil reminder you're still alive. Elevation gain/loss per 1.56 mile loop - roughly 80 feet

AID STATIONS

1 semi-stocked Aid Station with:Endurance Fuel by Tailwind Nutrition as the your go-to liquid nutrition NeverSecond 30g carb gels to fuel you for the long game. 1st Phorm protein bars and energy drinks to keep the vibe real We will also have water and various snack options to supplement your fueling plan.

CREW ACCESS

Tents in designated section of parking lot authorized by trail owners.

REQUIRED GEAR

Head lamp/running gear/food/water/electrolytes

PACKET PICK-UP

Friday 22 May - 3-5 PM - Fleet Feet @ Kendall Yards (1315 W Summit Pkwy, Spokane, WA 99201) ORSaturday 23 May - 6AM @ Race Location

COURSE MARKING

One course marker as the turn around point to make the 1.56 mile track a 4 mile loop.

SELF SUFFICIENCY

The aid station will have food and drink options but the runners are encouraged to self support.

STAGING GEAR

Feel free to camp out and start staging your gear on Friday, after 6PM. Please do not start staging gear prior to 6 PM, since nobody will be there to direct staging and parking. Personal gear/tents can be staged along the start line. Personal vehicles need to be parked in front of the portable toilets. Race Director will assist once you show up. Thanks!

WHAT YOU GET

Every participant will get a Phase One Training Tee with registration and a Phase One Patch upon completion of the LOS Endurance Challenge

PRE RACE BRIEF

0645 AM at Start/Finish

SPONSORS

We are happy to announce Tailwind Nutrition as the official liquid nutrition sponsor of this years L.O.S! Tailwind provides hydration, fuel, and recovery products to keep you going and feeling great throughout your races and adventures. We will have Tailwind Endurance Fuel on course at the main Aid Station.Using Endurance Fuel satisfies your caloric, electrolyte, and hydration needs. It is designed to be incredibly easy on the digestive system. The primary energy sources are dextrose (glucose) and sucrose, with a full complement of electrolytes. This approach to fueling has been the solution for many athletes, allowing them to avoid the dreaded gut bomb, bonking, and nausea that can come with more extended endurance events. Tailwind Endurance Fuel is vegan, gluten-free, and non-gmo.We have also partnered with Neversecond and are happy to support you with their C30 Energy Gel. Neversecond C30 Energy Gels deliver a scientifically proven 30 grams of carbohydrate in every serving, giving athletes the exact fueling they need without guesswork.

REFUND POLICY

No refunds at this time. Thank you for your understanding.

THANK YOU

Thank you for your consideration. I hope you accept the invitation to find out how strong you are. See you soon.

VOLUNTEERS

We are so grateful for any support we get from volunteers. To show our gratitude, we would like to offer: 50% off Phase One event for 6 Hours of Volunteer Time100% off Phase One event for 12+ Hours of Volunteer Time

Event's current local time: 1:41 AM PT

Switchback Sorrows 50k Trail Race SwitchBack Sorrows 50k​Riverside State Park | Spokane, WA​The ExperienceThey call it SwitchBack Sorrows for a reason, but the beauty of Riverside State Park is the ultimate cure. This 50k journey takes you through the very best of Spokane’s backyard—from the rushing Spokane River and the iconic CCC Suspension Bridge to the rugged volcanic "haystack" rocks and ponderosa pine forests. Whether you’re chasing a personal best or your first ultra finish, these trails will challenge your legs and recharge your soul. ​The Course & CutoffsThe clock starts at 8:00 AM, giving you a full 10 hours to conquer the 31-mile loop. With a finish line cutoff of 6:00 PM, this race is designed to be inclusive for power-hikers and speedsters alike. You’ll navigate roughly 3,100 feet of elevation gain across a mix of fast prairies, technical rocky stretches, and—true to our name—the winding switchbacks that test your resolve. ​Crew SupportYou don't have to face the "sorrows" alo

ne! We pride ourselves on being a crew-friendly race. Thanks to the accessible layout of Riverside State Park, your support squad can meet you at multiple designated points to swap gear, offer encouragement, and help push you through the late-mile hurdles.​Important Pass RequirementRiverside State Park requires a Discover Pass for all vehicles. Please ensure your crew and supporters have one displayed.​Day Pass: $10​Annual Pass: $45 ​Available at automated pay stations within the park or online at DiscoverPass.wa.gov. ​Race Day Schedule​7:00 AM: Packet Pickup Opens (Seven Mile Airstrip)​8:00 AM: Race Start 6:00 PM: Course Close (10-Hour Limit)​Fast Facts​Distance: 50k (31 Miles)​Elevation: ~3,100 ft Gain​Terrain: Singletrack, pine forest, and riverside trails.​Vibe: Scenic, challenging, and community-first.​Leave your worries at the start line. Leave your sorrows on the switchbacks. Event's current local time: 1:45 AM PT