Marathons in Oregon 2026 | Upcoming Races & Dates

There are 5 marathons in Oregon scheduled for 2026. The next is the Circle the Bay in North Bend on August 8. Oregon marathons run primarily August through September.

Circle the Bay

Sat, Aug 8 · North Bend, OR North Bend

Circle the Bay Run IndividualCircle the Bay Run RelayCircle the Bay Walk Relay +1

From $75 Open

2026 Haulin Aspen

Sat, Aug 8 · Bend, OR Bend

Half As - 6.5 milesHalf MarathonHaulin Aspen Marathon Relay +1

From $55 Open

Hood to Coast Semper Fi & America's Fund Team

Fri, Aug 21 · Portland, OR Portland

Hood to Coast SF&AF Community Athlete (Fundraiser) Van

From $190 Open 8 spots left

Sam Day 37-Mile Challenge

Tue, Sep 1 · Portland, OR Portland

Sam Day 37-Mile Challenge

From $37 Open

Boring Marathon, Half-Boring Half Marathon, Constantly Boring 10K, and Somewhat Boring 5K Race Series

Sun, Sep 13 · Boring, OR Boring

VIRTUAL Somewhat Boring 5KSomewhat Boring 5KVIRTUAL Constantly Boring 10K +5

From $30 Open Closing Soon 100 spots left

Marathons in Oregon — 2026

Circle the Bay

2026 Haulin Aspen

Hood to Coast Semper Fi & America's Fund Team

Sam Day 37-Mile Challenge

Boring Marathon, Half-Boring Half Marathon, Constantly Boring 10K, and Somewhat Boring 5K Race Series

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