Double Chubb

Double Chubb Trail Run

Date: Saturday, April 11, 2026

Time: 8:00 AM

Location: West Tyson County Park, 131 N. Outer Rd East, Eureka, Missouri 63025

Distances: 50K, 25K, 8M

Registration: Coming soon

Packet Pickup: Friday, April 10, 2026, 4:00 PM - 6:30 PM at Des Peres Fleet Feet. Race day pickup starts at 7:00 AM.

Cutoff Times: Approximately nine hours for all races. Four-hour cutoff for the first loop of the 50K.

Aid Stations: Multiple aid stations with water, electrolytes, and standard ultra food. Bring your own cup/bottle.

Refunds/Drops: No refunds. Drops allowed from 50K to 25K up to one week before race day; drops after are allowed but without awards eligibility.

Bib Transfers: Allowed until April 10, 2025 via UltraSignup.

Drop Bags: Available at the start line; must be picked up before leaving the race.

Swag: Details to be announced.

Organizer: Saint Louis Ultrarunners Group