Missouri · 50K · 25K · 25K RUCK
Chubb Trail Races
Chubb Trail Races is a 50K, 25K, 25K RUCK and 8M event held in St Louis, Missouri. Its next confirmed date is Saturday, April 3, 2027. About 38 runners take part across all distances.
- Race day
- April 3, 2027
- Location
- St Louis, MO
- Field size
- ~38 runners
Race details
- Date
- Saturday, April 3, 2027
- Location
- St Louis, Missouri
- Distances
- 50K, 25K, 25K RUCK, 8M
- Field size
- About 38 runners
- Course
- Hilly trail course; standard route elevation gain approx. 1,300 ft (8M) / 2,000 ft (25K) / 4,000 ft (50K)
- Registration
- ultrasignup.com
- Official website
- stlouisultrarunnersgroup.com
Registration, course & weather
- Registration status
- Open
- Start time
- 8:00 AM CDT
- Course profile — 50K
- Out-and-back course; Trail surface; 4000 ft gain (official course data)
- Course profile — 8 Mile
- Loop course; Trail surface; 1300 ft gain (official course data)
- Course profile — 25K
- Loop course; Trail surface; 2000 ft gain (official course data)
- Typical race-day weather
- about 34°F at the start, 70% humidity, 4 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026)
About the Chubb Trail Races
Chubb Trail Races (the "Double Chubb") is a trail ultra put on by the St. Louis Ultrarunners Group at West Tyson County Park in Eureka, MO, offering 50K, 25K, 25K RUCK, and 8M distances on the rocky, rolling Chubb Trail along the Meramec River, with a signature climb up the Chinkapin Trail near the finish.
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Chubb Trail Races: common questions
- When is the Chubb Trail Races?
- The next confirmed date is Saturday, April 3, 2027.
- Where is the Chubb Trail Races held?
- In St Louis, Missouri.
- What distances does the Chubb Trail Races offer?
- 50K, 25K, 25K RUCK and 8M.
- How many people run the Chubb Trail Races?
- About 38 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Chubb Trail Races?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Chubb Trail Races?
- Yes — registration is open. Listed fee for the longest distance, $101.70 (from stlouisultrarunnersgroup.com, checked September 25, 2026).
- What time does the Chubb Trail Races start?
- 8:00 AM CDT.
- What is race-day weather usually like at the Chubb Trail Races?
- about 34°F at the start, 70% humidity, 4 mph wind (based on the 2026 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026).
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