Island Spring Half Marathon

Name: Island Spring Half Marathon
Start: 2026-04-26
End: 2026-04-26
Location: Alameda, California

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Alameda, California, United States

calendar_today 26 Apr, 2026

directions_run Running

language Official Website

sell $25 – $95

About the Event

Event Date: April 26th, 2026

We kick off the Island Race Series with a fundraiser for the Alameda Hospital Foundation. 2026 is special because we have added a Half Marathon to this event

Run both the Spring Half and the Island Festival Half and receive a customer "half and half" hoodie.

This race will take place at Faction brewery and feature all the beautiful views, flats course and post race expo that you are used to at our September event.

Event Schedule:

4/23 - 4/25/26 ~ Packet pick up: Lauren's Closet 1420 Park St. Alameda. Ca. 10:00am - 5:00pm
4/26/26 ~ Race morning registration opens at 6:45am: 950 West Mall City Hall West / Alameda Point

General Overview:

All of the runs will showcase parts of Alameda point, new parks on the west end of Alameda, the USS Hornet and coastal trails. the course is flat and fast with the 10k returning to be part of the USATF 10K circuit.

there will also be music from DJ Mike, food and and age group winner awards presented by Burneikis law. Come enjoy a fun local race with a community feel, and support a great beneficiary in the Alameda Hospital Foundation.

Race Details

Race times are as follows:

Half Marathon - 7:45am
10K - 08:00am
5k - 08:15am
Family fun run time TBD 9:45am

Races Offered

Island Spring Half Marathon

Apr 26, 2026

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Distance — 13.1 Miles

terrain

Type — Running

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07:45

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$95.00

10K Run

Apr 26, 2026

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Distance — 6.2 Miles

terrain

Type — Running

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08:00

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$60.00

5k Run/Walk

Apr 26, 2026

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Distance — 3.1 Miles

terrain

Type — Running

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08:15

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$35.00

1 Mile Fun Run

Apr 26, 2026

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Distance — 0.5 Miles

terrain

Type — Running

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09:45

sell

$25.00

Weather Overview

These values represent the 3-year monthly averages for April in Alameda.

Temp (°C)

Feels Like (°C)

thermostat 7.7° / 18.4°

wb_sunny 5.7° / 16.2°

Wind (km/h)

Humidity (%)

air 7.3 /

water_drop 75.2%

Temp (°C)

Feels Like (°C)

Wind (km/h)

Humidity (%)

thermostat 7.7° / 18.4°

wb_sunny 5.7° / 16.2°

air 7.3 km/h

water_drop 75.2%

About Alameda

Alameda is an island city in the East Bay of the Bay Area, California. It is separated from the mainland by the Oakland Estuary. You can get there from Oakland very easily, by way of one of the bridges or the Webster Street Tube.