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Alameda Island Running Festival

Alameda, California · Sunday, September 20, 2026 · Half Marathon, 10K, 5K, 1 Mile

Official race page & registration ↗

Alameda Island Running Festival takes place on Sunday, September 20, 2026 in Alameda, California. The race offers 4 distances: Half Marathon, 10K, 5K, 1 Mile.

It is one of 296 races on the California calendar that September. At $25, entry sits below the $30 median for a California half marathon.

Date
Sunday, September 20, 2026
Location
Alameda, California
Distances
Half Marathon, 10K, 5K, 1 Mile
Entry fee
from $25

Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.

Making a race weekend of it?

Stay near the start line in Alameda: check in Sep 19, out Sep 21.

Hotels on Booking.com ↗ Hotels on Expedia ↗

Common questions

When is Alameda Island Running Festival?

Alameda Island Running Festival is scheduled for Sunday, September 20, 2026.

Where is Alameda Island Running Festival held?

Alameda Island Running Festival is held in Alameda, California.

What distances does Alameda Island Running Festival offer?

The listed distances are Half Marathon, 10K, 5K, 1 Mile.

How much does Alameda Island Running Festival cost?

Entry is listed from $25. Check the official race page for the current price, which usually rises closer to race day.

How do I register for Alameda Island Running Festival?

Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.

More races nearby

See every race on the California calendar, all Alameda races, California Half Marathons, California 5Ks, or use the Race Finder for maps and filters.