RunRace USA › Texas › The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash
The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash
Glen Rose, Texas · Saturday, October 10, 2026 · 100K, 50K, 25K, 10K, 5K, 1K
Official race page & registration ↗- Date
- Saturday, October 10, 2026
- Location
- Glen Rose, Texas
- Distances
- 100K, 50K, 25K, 10K, 5K, 1K
- Surface
- Trail
- Entry fee
- from $30
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
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See every race on the Texas calendar, or use the Race Finder for maps and filters.