Diablo Trail Run2026

06.09.2026Clayton (United States)

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Pacing, fueling and crew sheet for the course you pick

2’438 m D+

48.9 km50Klongest of 7 courses

7 courses

3.2km
Coastal Testing
06.09.
No index
6.4km
122 m D+
avg 2%
4 Mi
06.09.
No index
16.1km
738 m D+
avg 5%
10 Mi
06.09.
No index
21.1km
1’042 m D+
avg 5%
Half Marathon
06.09.
No index
42.2km
2’061 m D+
avg 5%
Marathon
06.09.
No index
48.9km
2’438 m D+
avg 5%
50K
06.09.
No index
–
Kid's Run (6yo & younger, 50yd dash) - Free!
06.09.
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 Diablo Trail Run, in one roadbook.

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The race

Mount Diablo provides spectacular views of the San Francisco Bay Area and surrounding valleys. The 4 mile course is relatively flat and fast within Mitchell Canyon. The longer events are mountainous and very scenic.

Where to stay

Find a place to stay near Clayton for the race.

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