The Mammoth Race Presents
The High Hope Endurance Run
Memorial Day Weekend
May 24-26, 2025
Glen Rose, TX
The High Hope Endurance Run
Go BIG or Go Extinct! That's our mantra for the 2nd Annual High Hope Endurance Run - a thrilling and challenging trail run brought to you by the folks at The Mammoth Race. Join us on Memorial Day Weekend 2025. This event is for those who crave adventure and have an unyielding spirit to conquer the trails. Whether you're an experienced ultra-runner or a novice kicking up dust for the first time - we have a RUN for YOU! The High Hope Endurance Run offers a unique opportunity to test your endurance in the wild, open spaces of High Hope Ranch. All of the distances (with exception of the 200K Ultra) will be offered Saturday AND Sunday. High Hope Ranch is a ONE THOUSAND acre eco-retreat located on the northern most edge of the Texas Hill Country. The ranch is dedicated to wildlife habitat protection, biodynamic agriculture and neighbors Fossil Rim Wildlife Center. Can you say 'Cosmic Safari'?
Glen Rose Mammoth Run at High Hope Ranch
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October 11, 2025
Glen Rose, TX
Texas Hill Country Trail
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​Get ready for The Mammoth Race inaugural Fall Migration at Hope Ranch! This multi-distance trail run welcomes families and runners of all skill. Enjoy the pristine Hill Country that surrounds this stunning ONE THOUSAND acre Eco-Retreat. The ranch is dedicated to wildlife habitat protection, biodynamic agriculture and neighbors Fossil Rim Wildlife Center. This a fantastic way to celebrate the Fall Harvest Season and create some lasting memories! We can't wait to see you out there!
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RACE CATEGORIES:
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100K - 26hr Cut-off time
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50K
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25K
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10K
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5K
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Mighty Mammoth 1K Fun Run - NON-CHIP TIMED EVENT.
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RACE HIGHLIGHTS:
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Finisher Shirts and Medals for all Participants
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Generous Cut Off times - Cut off time for 100K only!
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Finisher BUCKLES for 100K Ultra
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Scenic routes through pristine natural landscapes
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Well-marked trails and 'round the clock aid stations
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Exclusive sites for tent camping and boondocking (no hook-ups)
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Post-race celebration. Music, food and refreshments!​​​
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ADDITIONAL INFO:
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​PETS ARE NOT ALLOWED. USATF sanctioned event policy does not allow for animals to participate in competitions.
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​The Mammoth is an Enviro-Friendly Event - B.Y.O.B (Bring Your Own Bottle)
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​RAIN or SHINE. In the event of inclement weather that would threaten the safety of the racers, the event or courses may be altered or the event may be delayed or canceled.
​​LOCATION
High Hope Ranch
3353 County Road 2209
Glen Rose, TX 76043