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Club
HSTriClub
[email protected] (314) 630-4592
Multisport events nearby
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Distance: 22.3 km from Lake St LouisSun, Aug 02, 2026 at 9:00 AM
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Distance: 15.3 km from Lake St LouisThu, Aug 06, 2026 at 9:00 AMSee full details
The ICC Challenge has established itself as one of the most popular cross-country mountain bike races in the St. Louis area. Last year it became the USA Cycling sanctioned Missouri State Championship Race.
This year, we are excited to expand the event into an entire weekend of activities that include mountain fun for everyone. The schedule includes XCC Short Track, XCM Marathon and XCO Championship Races along with fun Team Relay Short Track, Night Ride and Kid Challenge Course presented by Extreme Electrical, which supports the South Side XC Development Team, a 501(c)(3) non-profit youth development organization.
All participants are required to read, understand and abide by all USA Cycling policies, rules and protocols. Rulebook and Policy.
Registration Details
Register for multiple races and save $10 on each additional race!
Early Bird Registration ends May 31st at 11:59 PM; prices will increase on June 1st.
Online Registration closes August 1st at 11:59 PM.
Registration Requirements
- USA Cycling Membership is required to particiapte in the XCC Short Track, XCM Marathon, and XCO Championship Races. If you do not have a USA Cycling Membership, please see the details below.
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Base Individual Membership: Required for all licenses. Auto-renewal: $20/year.
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Domestic Race Licenses (Add-on): First-Year Discount: Domestic racing licenses are free for the first year (as of October 2025) for new members or those who haven't held a license in 3+ years. Adult (19+): $75 (auto-renewal), U23 (19–22): $35 (auto-renewal), Junior (U19): $0 (Free)
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Key Benefits of USA Cycling Memberships - Secondary Insurance: Provides supplemental medical coverage for injuries sustained during sanctioned events. Ranking & Upgrades: Allows you to track race results and earn points to move up in racing categories (e.g., Cat 5 to Cat 1). Partner Discounts: Access to 10–60% off brands like Shimano, Wahoo, and Cuore via the USAC Membership Benefits Portal.
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How to Apply for an USA Cycling Membership - Register: Create an account on the USA Cycling Member Portal. Select Membership: Choose the base membership and the "Race License" add-on.Digital Access: Licenses are typically issued immediately in a digital format for use at event registration.
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Team Relay Challenge and Kids Challenge do not require a USA Cycling Membership—only a signed waiver is needed.
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Be sure to sign-up for the River City Cycles FREE Community Night Ride HERE!
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All Early Bird Registrations completed prior to June 1st can pick up their race packet on Saturday, August 1st, at South Side Cyclery, 6969 Gravois Ave., Saint Louis, MO 63116, between 10 AM and 5 PM.
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Registration packets will include your chipped race plate, a free Early Bird Registration T-shirt, and swag form our sponsors
All other registration packets will be available on race day.
Stay up to date with the ICC Challenge 2026 Event Guide!
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Distance: 17.9 km from Lake St LouisSat, Aug 22, 2026 at 10:30 AMSee full details
Join MSE Racing and Coach Sally Drake for an open water swim session/clinic at beautiful 370 Lakeside Park in Saint Peters.
We will kick off 370 Lakeside Triathlon and Expo weekend with an optional swim clinic to help newbies prepare and gain helpful tips for open water swimming and race day strategies. For those with experience, just swim and enjoy! We will have a couple of buoys for use at the clinic session, but not full access to the triathlon swim courses because the park will be open to the public that day.
This event is open to anyone at any level. We offer a special discounted rate for athletes participating in the Lakeside 370 Triathlon if you bundle and purchase the Open Water Swim Clinic Session when you register for the 370 Lakeside Triathlon.
During the session lifeguards and volunteers will be in the water to ensure the safety of the participants, there will also be buoys setup in the water to practice sighting. After the swim, please stick around for the MSE Lakeside 370 Triathlon Expo.
For more information please visit - https://www.mseracing.com/370-lakeside-open-water-swim
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Distance: 17.9 km from Lake St LouisSun, Aug 23, 2026 at 6:45 AMSee full details
Join us for the 6th annual USAT sanctioned 370 Lakeside Triathlon! Enjoy the flattest, fastest course starting in beautiful 370 Lakeside Park! Enjoy a beach start, amazing country roads in St. Charles County, and a run that includes the park trails. We offer a variety of race options from a 5k run, super sprint or sprint for newbies, up to half distance along with duathlon, aquabike and aquathlon options!
For more information including course maps, schedule of events, race options, volunteer signup, etc. Please visit - https://www.mseracing.com/370-lakeside-triathlon
All athletes MUST show a Photo ID and pick up their own race packet, NO EXCEPTIONS.
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Distance: 15.6 km from Lake St LouisSat, Aug 29, 2026 at 8:00 AMSee full details
***St. Louis Track Club members will automatically receive a $10 discount (use the same email address that you use for your member registration). Not a member? Click here to join. ***
St. Louis Track Club is excited to invite everyone to join the Corps of Discovery Trail Races, held on the Lewis & Clark Trails in the beautiful Weldon Spring Conservation Area on August 29, 2026.
Course Description:
The half-marathon course covers approximately 13.1 miles and begin from the Lewis & Clark trailhead in the Weldon Spring Conservation Area off Hwy 94 in Defiance, MO. Half marathon participants will first run the 8-mile Lewis Trail and then the 5-mile Clark Trail. The course will travel counter-clockwise and will not be closed to outside use. There will be markings along the course and a volunteer where the trails split.
The 5-mile distance will cover one loop of the Clark trail and the 8-mile option will cover one loop of the Lewis trail. The trail winds itself along the bluffs of the Missouri River down the hardwood-lined ridges and into the hollows so all participants will have something to enjoy.
All distances start at 8:00 a.m.
Half Marathon Course Map
8 mile Course Map
5 mile race Course Map
Sign up before August 15th to guarantee swag! All runners registered before this date will receive swag and a finisher's medal.
Thank you to our sponsor Tailwind Nutrition!
Race Day Details:
CUP FREE: This race is a CUP FREE event. This means that there will be NO paper cups at any of the aid stations. Please carry a water receptacle and fill up as needed with water and/or Tailwind, both of which will be available throughout the course.
PARKING: Parking is in the secondary lot at the Weldon Spring Interpretive Site (7295 RT-94, St. Charles, MO). Please follow the signs and park where guided so as to leave room on the main lot for other trail patrons.
PACKET PICK-UP: All racers can pick up their packets near the parking lot and race start line on race morning starting at 6:30 am.
CUT-OFF TIMES: The cutoff time is 12 p.m., or 4 hours. This is approximately an 18-minute pace per mile. The half marathon course brings runners to the Lewis and Clark trailhead at 8ish miles before heading out to do the final 5-mile loop on Clark. Runners must start their 5-mile loop by 10:30am.
DROP BAGS: We will have a drop bag collection area at the start/finish area. Please mark the bag with your name in case someone has the same one.
RACE START: All distances will start and finish at the Lewis and Clark trailhead. The 5 mile runners will start in quick waves starting at 8 AM and the Half Marathon and 8 milers will start in quick waves at 8:05AM. Since parking is across the roadway at the Weldon Spring site, we will have cones set up to warn drivers and give runners a safe way to be along the roadway. Be sure to pay close attention to the roadway and take caution as you cross.
AID STATIONS: 5 Mile: One manned aid station at mile 3 (water, electrolyte drink, and snacks), plus water and support at the finish line. 8 Mile: An unmanned water-only station around mile 4, and a manned aid station at mile 6.5 (water, electrolyte drink, and snacks). Half Marathon: Runners complete the Lewis loop first, with access to those same stations. They then pass through the start/finish area around mile 8.2 (fully stocked), followed by a final manned station near mile 12 (water, electrolyte drink, and snacks) before returning to the finish.