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Race for the Refuge
TrailUnited StatesMassachusetts

Race for the Refuge2026

27.09.2026Sudbury (United States)
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Pacing, fueling and crew sheet for the course you pick

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30 km

30K Trail racelongest of 4 courses

4 courses

  1. 10km

    71 m D-

    10K Trail Race

    27.09.

    No index
    GPX

  2. 30km

    30K Trail race

    27.09.

    No index

  3. –

    6-Hour Trail Race

    27.09.

    No index

  4. –

    Pacer for 6-hour Race

    27.09.

    No index

Course analysis

10K Trail Race10 km69 m D+

11effort kmⓘ10 km on the map · feels like 11 km
D+
69 m
D−
71 m
Max alt.
139 m

Segments

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Elevation profile: 10K Trail Race

84 m — 139 m

Feels like these

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Race for the Refuge, in one roadbook.

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The race

Trail Race at Assabet River National Wildlife Refuge. Choose from 10km to 30km races or a timed Race up to 6 hours. Proceeds from the race will benefit the Friends of Woodlands and Waters and other local charities.

Where to stay

Find a place to stay near Sudbury for the race.

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