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Mammoth Trailfest
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Mammoth Trailfest2026

24.09 – 27.09.2026Mammoth Lakes (United States)
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Pacing, fueling and crew sheet for the course you pick

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2’130 m D+

50 kmTrailfest 50klongest of 4 courses

4 courses

  1. 26km

    1’064 m D+

    avg 4%

    Trailfest 26k
    ITRA 1

  2. 50km

    2’130 m D+

    avg 4%

    Trailfest 50k
    No index

  3. –

    Mammoth Triple Mammoth
    No index

  4. –

    31 m D-

    Woolly's 1K
    No index
    GPX

Course analysis

Woolly's 1K1.5 km34 m D+

2effort kmⓘ1.5 km on the map · feels like 2 km
D+
34 m
D−
31 m
Max alt.
2’483 m

Segments

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Elevation profile: Woolly's 1K

2’461 m — 2’483 m

Feels like these

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Mammoth Trailfest, in one roadbook.

Build your race plan →

The race

A Mammoth-sized gathering of trail community races, fest, films, volunteer, partner, travel.

Where to stay

Find a place to stay near Mammoth Lakes for the race.

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