How many half marathons in Oregon are there in 2027?

There are 6 upcoming half marathons in Oregon listed on 42Cal, from January 2027 through October 2027. The count updates automatically as races are added.

When is the best time for half marathons in Oregon?

Most of the 8 races on this list (5 of them) fall in April and October.

Which race in this list has the least elevation gain?

Cascade Half Marathon in Turner is the flattest race on this list, with about 100 ft of total elevation gain — based on the 8 of 8 races here with elevation data on file.

How current is this list?

This list was last refreshed on October 20, 2026. Race dates, locations, and course details are updated continuously as organizers confirm changes, so this page reflects the calendar as of that date.

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Race Collection

Half Marathons in Oregon 2027

There are 6 upcoming half marathons in Oregon on the 42Cal calendar, from January 2027 through October 2027.

Upcoming races

January 2027 – October 2027

Date range

Countries

394 ft

Median elevation

Race data last updated October 20, 2026.

Upcoming Half Marathons in Oregon 2027

6 races

Jan 17, 2027
Registration Open
Cascade Half Marathon
Turner, OR, United States
Half Marathon
See full guide
Mar 14, 2027
Registration Open
Portland Shamrock Run
Portland, Oregon, United States
Half Marathon
Also: 5K, 5K
See full guide
Apr 11, 2027
Registration Open
Bend Marathon
Bend, OR, United States
Marathon
Also: Half Marathon, 10K, 5K, 5K
See full guide
Apr 25, 2027
Opening Soon
Eugene Marathon
Eugene, OR, United States
Marathon
Also: Half Marathon, 5K
See full guide
Jun 5, 2027
Opening Soon
Newport Marathon
Newport, OR, United States
Marathon
Also: Half Marathon
See full guide
Oct 3, 2027
Opening Soon
Portland Marathon
Portland, OR, United States
Marathon
Also: Half Marathon, 10K
See full guide

Recently Run

2 races

Compare These Races

Race	Date	Location	Distance	Elevation	Status
Cascade Half Marathon	January 2027	Turner, United States	Half Marathon	100 ft	Registration Open
Portland Shamrock Run	March 2027	Portland, United States	Half Marathon	250 ft	Registration Open
Bend Marathon	April 2027	Bend, United States	Marathon	354 m	Registration Open
Eugene Marathon	April 2027	Eugene, United States	Marathon	120 m	Opening Soon
Newport Marathon	June 2027	Newport, United States	Marathon	150 ft	Opening Soon
Portland Marathon	October 2027	Portland, United States	Marathon	266 m	Opening Soon
Columbia Gorge Marathon	October 2026	Hood River, United States	Marathon	574 m	completed
Rogue Marathon	October 2026	Ashland to Central Point, United States	Marathon	120 m	completed