Upcoming Half Marathon Races Near San Juan County, WA

Name: Fidalgo Trail Run
Start: 2026-09-26
End: 2026-09-26
Location: Anacortes

Three Lakes Triathlons and Kings Market San Jua...

Friday Harbor, WA

Sunday, February 15th, 2026

Featured

Half

Marathon

10K

View details for race Three Lakes Triathlons and Kings Market San Juan Island Runs

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Whidbey Island Marathon

Oak Harbor, WA

Sunday, April 26th, 2026

Marathon

Half

10K

View details for race Whidbey Island Marathon

San Juan Island Half

Friday Harbor, WA

Saturday, May 9th, 2026

Half

View details for race San Juan Island Half

North Olympic Discovery Marathon (5K / 10K/ Hal...

Port Angeles, WA

Saturday, June 6th, 2026

10K

Half

Trail

View details for race North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)

Fidalgo Trail Run

Anacortes, WA

Saturday, September 26th, 2026

Half

Marathon

Trail

View details for race Fidalgo Trail Run

Explore more in San Juan County, WA

Distances:

5K 10K Half Marathon Marathon

Months:

December January February

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Washington races

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