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Calero Trail Run - Winter
TrailUnited StatesCalifornia

Calero Trail Run - Winter2026

05.12.2026San Jose (United States)
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Pacing, fueling and crew sheet for the course you pick

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8 courses · 5–50 km · up to 831 m D+

8 courses

  1. 5km

    77 m D+

    avg 2%

    5K
    No index

  2. 10km

    362 m D+

    avg 4%

    10K
    No index

  3. 15km

    533 m D+

    avg 4%

    15K
    No index

  4. 21.1km

    755 m D+

    avg 4%

    Half Marathon
    No index

  5. 25km

    831 m D+

    avg 3%

    25K
    No index

  6. 42.2km

    Trail Marathon
    No index

  7. 50km

    50K
    No index

  8. –

    Mile
    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 Calero Trail Run - Winter, in one roadbook.

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The race

Beginning at Calero County Park, this trail run has everything! Experience awesome single track, great hills, and dirt paths. The 50K is a challenging, fantastic trainer for Western States that includes oak trees, exposure, good heat training, and panoramic vistas.

Where to stay

Find a place to stay near San Jose for the race.

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