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Cuyamaca 100k
UltraUnited StatesCalifornia

Cuyamaca 100k 2026

03.10.2026San Diego (United States)
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2’6828’799 m D+ ft D+

100 km62.1 mi100K

At a glance

Cuyamaca 100k 2026 took place on Saturday 3 October 2026 in San Diego (California, United States). One distance: 100 km.

The course is 100 km with 2’682 m D+ (27 m per km: hilly terrain). Terrain: 76% trail, 22% forest track and 2% road. Terrain data: © OpenStreetMap contributors.

The 2027 edition is expected on Saturday 2 October 2027, date to be confirmed by the organiser. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

An adventure through the San Diego mountains. The course traverses a diverse landscape of oak woodlands, meadows, pine forests, and chaparral in the Cuyamaca Rancho and Anza Borrego Desert State…
From the organiser

1 course

  1. 100km62.1mi

    2’682 m D+8’799 ft D+

    2’416 m D-7’927 ft D-

    avg 3%

    100K

    03.10.

    No index
    GPX

Course analysis

100K100 km62.1 mi2’682 m D+8’799 ft D+

127effort kmⓘ100 km on the map · feels like 127 km62.1 mi on the map · feels like 127 km
D+
2’682 m8’799 ft
D−
2’416 m7’927 ft
Max alt.
1’968 m6’457 ft
Steepest
13%

Segments

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Elevation profile: 100K

1’040 m – 1’968 m3’412 ft – 6’457 ft

Race plan

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Pacing, aid stations and fueling timed to your effort on Cuyamaca 100k, in one roadbook.

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