San Juan Island Marathon

Saturday, June 20, 2026

Friday Harbor, Washington

Race Day

Saturday, June 20, 2026

Course

Loop

Also Offers

26.2M10K run

Registration

Race Website

Official race information

☀

Avg High

64°F

☽

Avg Low

52°F

☂

Precip

0.03 in

🍃

Wind

13.8 mph

76% humidity·Based on 5-year historical data

FEB 15

Three Lakes Triathlons and Kings Market San Juan Island Runs

APR 4

Run for Breast Cancer 5K/10K/13.1 SEATTLE

APR 4

Deception Pass 13.1M and 10K

APR 4

Hop Hop Half

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Race Day

Saturday, June 20, 2026

Course

Loop

Also Offers

26.2M10K run

Registration

Race Website

Official race information