Little Rooster Run
Glencoe, United States
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trail100 km · 1 km · 5 km · 10 km · 25 km · 50 kmPast eventtrail
The Mammoth 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Fun Run
Saturday, 10 October 2026 · Glen Rose, TX, United States
Dates and distances
- Past date
1 km
The Mighty Mammoth 1K Fun Run
- Past date
5 km
5K Trail Run
- Past date
10 km
10K Trail Run
- Past date
25 km
25K Trail Run
- Past date
50 km
50K Trail Tun
- Past date
100 km
100K Ultra Trail Run
Ends Sun, 11 October 2026
- Date
- Saturday, 10 October 2026 – Sunday, 11 October 2026
- Location
- Glen Rose, TX, United States
- Distances
- 100 km · 1 km · 5 km · 10 km · 25 km · 50 km
Plan with confidence. Race dates, prices and entry availability can change. Always confirm the latest details with the organiser before making plans. Check the official race website ↗Listing last updated 4 October 2026. This is a listing update, not a guarantee that every detail has been rechecked.
About This Race
The Mammoth 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Fun Run is a 5K trail race held in Glen Rose, TX. This multi-distance trail run welcomes families and runners of all skill levels.
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