Double Chubb 50K
St. Louis, United States • 3 Apr 2027
Double Chubb : West Tyson County Park, St Louis, MO
Double Chubb is a trail race event on April 3, 2027 at West Tyson County Park, 131 N. Outer Rd, Eureka, Missouri. The event offers multiple distances on marked trails and is organized by the Saint Louis Ultrarunners Group.
Distances include:
- 50K
- 25K
- 25K RUCK
- 8 mile
The 25K RUCK follows the same course as the 25K and requires participants to carry a minimum of 20 pounds, not including food and water. Packs will be weighed at the start. All finishers of the ruck event receive a finisher’s medal.
Aid stations are placed approximately at 3.5M, 8M, 12.5M, 16M, 19.5M, 24M and 28.5M and will offer standard ultra food and fluids. This is a cup free event; participants should bring their own water bottle or hydration pack to refill at aid stations.
Packet pickup is available the day before at Des Peres Fleet Feet and on race day at the park entrance. Drop bags are left on a tarp near the park entry, moved to the finish/halfway point for the 50K, and must be collected before leaving; unclaimed items are donated.
There is an approximate nine hour cutoff for races, with the first loop cutoff for the 50K near four hours. No refunds are offered. Bib transfers are allowed until 2027-04-01 and transfers must be completed through UltraSignup. SLUG members receive a $10 registration discount. Visit the organization's website for the most recent information.