Oregon · Half Marathon
Half Marathons in Oregon
Oregon currently has 29 upcoming half marathons with a confirmed date listed in RaceRove. Portland, Eugene, Bend and Newport have the largest concentration of events.
April (5), June (5) and May (4) are the busiest months on the calendar right now. Another 8 annual half marathons are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 29
- Active listings
- 37
- Cities with races
- 28
More ways to browse Oregon
Upcoming half marathons in Oregon
All 29 with a confirmed date, soonest first.
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest half marathon events in Oregon
By estimated field size across all distances at the event.
When half marathons happen in Oregon
- January
- 2 upcoming races
- March
- 2 upcoming races
- April
- 5 upcoming races
- May
- 4 upcoming races
- June
- 5 upcoming races
- July
- 2 upcoming races
- August
- 2 upcoming races
- September
- 1 upcoming race
- October
- 2 upcoming races
- November
- 3 upcoming races
- December
- 1 upcoming race
Oregon cities with the most half marathons
- Portland
- 5 upcoming races
- Eugene
- 3 upcoming races
- Bend
- 2 upcoming races
- Newport
- 2 upcoming races
- Sisters
- 1 upcoming race
- Ashland
- 1 upcoming race
- Blodgett
- 1 upcoming race
- Corvallis
- 1 upcoming race
Annual events awaiting their next date
These half marathons are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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Silver Falls Trail RunsSilverton, OR Usually held in November · next date not announced50KMarathonHalf7 Miler ~2,500 runners
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Three Sisters SkylineSisters, OR Usually held in September · next date not announced50K1/2 Marathon ~184 runners
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Boring Marathon, Half-Boring Half Marathon, Constantly Boring 10K, and Somewhat Boring 5K Race SeriesBoring, OR Usually held in September · next date not announcedMarathonHalf Marathon10K5K
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Moore Mountain Trail RunKlamath falls, OR Usually held in September · next date not announced30K1/2 Marathon5K
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ORRC Pumpkin Ridge Run 5K, 10K and Half MarathonNorth Plains, OR Usually held in August · next date not announcedHalf Marathon5K10K
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Painted Hills HalfMitchell, OR Usually held in September · next date not announced1/2 Marathon10K5K
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Post Canyon Half MarathonHood River, OR Usually held in August · next date not announced1/2 Marathon
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Umatilla Rim RipperTollgate, OR Usually held in September · next date not announced23-MilerHalf Marathon11K7K
Half Marathons in nearby states
Guides from the RaceRove blog
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Half Marathons in Oregon: common questions
- How many half marathons are there in Oregon?
- RaceRove currently lists 29 upcoming half marathons in Oregon with a confirmed date, plus 8 annual events whose next date hasn't been announced yet.
- How long is a half marathon?
- A half marathon is 13.1 miles (21.1 kilometres).
- Which Oregon cities have the most half marathons?
- By upcoming events listed in RaceRove: Portland (5), Eugene (3), Bend (2), Newport (2) and Sisters (1).
- When is half marathon season in Oregon?
- Of the upcoming half marathons listed, the busiest months are April (5), June (5) and May (4).
- What is the biggest half marathon in Oregon?
- By estimated field size, the largest event with a half marathon listed in Oregon is the Shamrock Run Portland, with about 25,000 runners across all of its distances.
Search every half marathon in Oregon
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.