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Race for the Refuge
TrailUnited StatesMassachusetts

Race for the Refuge 2026

27.09.2026Sudbury (United States)
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3018.6 km mi

30K Trail racelongest of 4 courses

At a glance

Race for the Refuge 2026 took place on Sunday 27 September 2026 in Sudbury (Massachusetts, United States). Two distances to choose from: 10 and 30 km.

The organiser has not published the elevation gain yet.

The 2027 edition is expected on Sunday 26 September 2027, date to be confirmed by the organiser. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

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…
From the organiser

4 courses

  1. 10km6.2mi

    71 m D-233 ft D-

    10K Trail Race

    27.09.

    No index
    GPX

  2. 30km18.6mi

    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 km6.2 mi69 m D+226 ft D+

11effort kmⓘ10 km on the map · feels like 11 km6.2 mi on the map · feels like 11 km
D+
69 m226 ft
D−
71 m233 ft
Max alt.
139 m456 ft

Segments

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Elevation profile: 10K Trail Race

84 m – 139 m276 ft – 456 ft

Race plan

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

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Feels like these

Where to stay

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