Double Chubb 50K
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Chubb Trail Races - April 3, 2027
Chubb Trail Races is a set of trail events organized by the Saint Louis Ultrarunners Group. Distances offered include:
- 50K
- 25K
- 25K RUCK with a required minimum carried weight of 20 pounds not including food and water
- 8M
The event takes place at West Tyson County Park, 131 N. Outer Rd East, Eureka, Missouri, in the St Louis area. Packet pickup is scheduled for Friday, April 2, 2027 at the Des Peres Fleet Feet location from 4:00 pm to 6:30 pm. Race day pickup begins at 7:00 am at the park entrance.
Entry fees range from USD 72.52 to 101.70 depending on the option. SLUG members receive a $10 registration discount. Registration closes on Thursday, April 1, 2027 at 6:00 am CT. Bib transfers are permitted until 03/31/2027 through the event registration system.
Aid stations will be set up 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 race so participants should bring their own bottle or hydration pack. The races use an informal nine hour cutoff; 50K runners should note a roughly four hour cutoff for the first loop.
There are no refunds. Runners may drop from the 50K to the 25K up to one week before the event but late drops forfeit awards. Drop bags will be moved to the finish and must be claimed before leaving. Swag details are to be announced. Visit the organization's website for the most recent information.
