Upcoming Half Marathon Races Near Merced County, CA in September, 2026

Name: Alameda Island Running Festival
Start: 2026-09-20
End: 2026-09-20
Location: Alameda

Diablo Trail Run

Clayton, CA

Sunday, September 6th, 2026

Featured

10 Miles

Half

Marathon

Trail

Fast

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Beer City Half™ Bishop Ranch

San Ramon, CA

Saturday, September 12th, 2026

Half

10K

Alameda Island Running Festival

Alameda, CA

Sunday, September 20th, 2026

Half

10K

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