THE MAMMOTH TRAIL RUN A Chronicle of Grit and Wonder!

October 10, 2026 | High Hope Ranch | 3353 County Road 2009 I Glen Rose, Texas

Attention all trailblazers, pioneers, and audacious gentlefolk! The Mammoth Trail Run is calling you out to the untamed expanse of High Hope Ranch. Weve carved out a thousand acres of rugged Texas Hill Country for a true test of your mettle. Gather the herd and prepare for an expedition thatll leave you with legendary tales to tell.

A word to the wise: Some areas of the course feature downright STEEP inclines and declines. Trail shoes with heavy traction are highly advised to keep your boots firmly on the trail!

OFFICIAL UNDERTAKINGS: Whether you're looking for a brisk morning jaunt or a sun-up to sun-down reckoning, choose your challenge:

100K Ultra: For the absolute boldest of the bunch! (26-hour cutoff)
50K | 25K | 10K | 5K: Rugged paths for every level of grit. mountain
The Mighty Mammoth 1K: A spirited, non-timed dash for the young 'uns!

THE BOUNTY:

Every pioneer who crosses the finish line earns a handsome Finisher's Medal and an OFFICIAL race shirt.
Survive the 100K Ultra, and youll be walking away with a mighty heavy Finisher BUCKLE to prove your fortitude.
tent Plentiful provisions along the route to keep your canteens full and your wagon rolling.
A post-race hootenanny complete with hearty grub, cold revitalizing tonics, and foot-stomping music!

RULES OF THE TRAIL:

No Hounds: By official USATF decree, pets must remain at the homestead.
Pack Your Own Canteen (B.Y.O.B.): This is a cupless expedition! Bring your own hydration vessels to keep the frontier pristine.
Come Hell or High Water: We run rain or shine. The frontier waits for no one!
Glory is the Prize: No age-group awards here. Your reward is the pure, unadulterated triumph of conquering the elements.

TRAIL BOSS ITINERARY (Race Day):

06:00 AM: The gates open for Packet Pick-up
07:00 AM: 100K Stampede Begins
07:30 AM: 50K Start
08:30 AM: 25K Start
09:30 AM: 10K Start
10:00 AM: 5K Start
11:00 AM: The Mighty Mammoth 1K Kids Race!

CAMP & QUARTERS: Stake your claim under the wide-open Texas sky! Primitive camping and Boondocking sites (no hook-ups) are available right on the land for $10 a head (max 6 per site). Prefer a solid roof over your head? The local guest houses and the Baymont Inn & Suites in town will treat you right.

recycling symbol REFUNDS/TRANSFERS Race Entry Fees are NON-REFUNDABLE, however TRANSFERS to another Person, Category or Mammoth Event are allowed.

COURSE MAPS - Viewable HERE [https://www.mammothrace.com/glenrose-tx]

Dust off your gear and JOIN THE HERD. Register today to secure your place in the chronicle!