Race Discovery
The Mammoth - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Fun Run
The Mammoth - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Fun Run logo

2025 - The Mammoth - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Fun Run

Glen Rose, Texas, United States
Oct 11, 2025 – Oct 12, 2025
Trail running

2025 distances

Trail running

100K Ultra Trail Run

Oct 11, 2025 Ultra 7:00 AM
$185.00
Closed

50K Trail Tun

Oct 11, 2025 Ultra 7:15 AM
$145.00
Closed

25K Trail Run

Oct 11, 2025 25K 7:30 AM
$105.00
Closed

10K Trail Run

Oct 11, 2025 10K 7:45 AM
$75.00
Closed

5K Trail Run

Oct 11, 2025 5K 8:00 AM
$65.00
Closed

PACER - 100K Ultra Trail Run

Oct 11, 2025 Ultra 7:00 AM
Free
Closed

Running

The Mighty Mammoth 1K Fun Run

$25.00 REGISTRATION - YOUTH SHIRT SIZES ARE SOLD OUT. WE CANNOT GUARANTEE A SHIRT.

Oct 11, 2025 1K 10:00 AM
$25.00
Closed

Race date Weather

Conditions on October 11, 2025 — historical Open-Meteo data.

Temp (°C)
Minimum temperature (race-day average) 16.4° / Maximum temperature (race-day average) 30.7°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-day average) 16.4° / Maximum feels like — heat index / wind chill (race-day average) 33.1°
Wind (km/h)
Average wind speed (race-day average)
14.0
Precip (mm)
Average precipitation (race-day average)
0.0mm
Humidity
Average relative humidity (race-day average)
55.5%

About Glen Rose

The Mammoth - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Fun Run takes place in Glen Rose, Texas, United States. The local timezone is America/Chicago.

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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.

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