Skip to content
kliva
The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash
UltraUnited StatesTexas

The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash 2027

09.10.2027Glen Rose (United States)Dates to be confirmed
Build your race plan →

Pacing, fueling and crew sheet for the course you pick

Official siteWrong info?

Start line in

 

6 courses · 1–100 km0.6–62.1 mi

At a glance

The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash 2027 is expected on Saturday 9 October 2027 in Glen Rose (Texas, United States), date to be confirmed by the organiser. 6 courses from 1 to 100 km.

The organiser has not published the elevation gain or the route yet.

On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

6 courses

  1. 1km0.6mi

    The Mighty Mammoth 1K Fun Run
    No index

  2. 5km3.1mi

    5K Trail Run
    No index

  3. 10km6.2mi

    10K Trail Run
    No index

  4. 25km15.5mi

    25K Trail Run
    No index

  5. 50km31.1mi

    50K Trail Tun
    No index

  6. 100km62.1mi

    100K Ultra Trail Run
    No index

GPX trace not yet published.

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on The Mammoth Trail Run 2026 - 100K / 50K / 25K / 10K / 5K and Mighty Mammoth 1K Kids Dash, in one roadbook.

Build your race plan →

Start

Glen Rose (United States)

Skip the map

Where to stay

Find a place to stay near Glen Rose for the race.

We may earn a commission if you book through this map, at no extra cost to you.

Spotted wrong info on this page? Tell us and we'll review it. Report it

← Back to calendar
Editions