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Trail Running Calendar near Gaston 2026-2027

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Explore the top trail runs near Gaston for 2026-2027! We've gathered 16 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

August 2026
Aug
12
We

Portland Trail Series

Trail Run 4 mi 7 mi
A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.
September 2026
Sep
2
We

Portland Trail Series

Trail Run 4 mi 7 mi
A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.
Sep
12
Sa

PDX 50K

Trail Run 50 km 53 mi
Run Pacifica organizes this Portland event with a 50K and a roughly 53 mile route that combines urban riverfront, city streets, and forested trail sections.
Sep
16
We

Portland Trail Series

Trail Run 4 mi 7 mi
A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.
Sep
26
Sa

Mission Possible

Trail Run Walk 2 mi 5 km 10 km
Mission Possible at Willamette Mission State Park on 26 September 2026 offers chip-timed 5K and 10K trail races plus accessible All Abilities 2.25-mile and 1.6-mile loops, with volunteers on course and post-race pancakes and snacks.
Sep-Nov
26-21
Sa

Stumptown Cross Race Series

Trail Run 5 km 6 km 8 km
A five-race cross country series in Portland parks with separate men’s and women’s races, options for non-binary entrants, race distances of 5K 6K and 8K, and both series and individual registration fees.
Sep
30
We

Portland Trail Series

Trail Run 4 mi 7 mi
A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.
October 2026
Oct
10
Sa

Dogwood Dash - Milwaukie

Trail Run Walk 5 km
First annual 5K on October 10, 2026 at North Clackamas Park Complex in Milwaukie on a flat mostly paved course with proceeds supporting local nonprofits.
Oct
14
We

Portland Trail Series

Trail Run 4 mi 7 mi
A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.
Oct
24
Sa

Autumn Leaves 50 Mile

Trail Run 30 km 50 km 50 mi
Looped 10 km course in St. Paul OR offering 50 mile, 50 km, 30K and a free kids 1K with aid stations, pacer rules, and inclusivity and deferral options.
Oct
28
We

Portland Trail Series

Trail Run 4 mi 7 mi
A low-key series of Wednesday evening trail races in Portland's Forest Park with three five-race Series April to October, 4 to 7 mile hilly courses and Series standings.
February 2027
Feb
13
Sa

Hagg Mud 50K/25K

Trail Run 25 km 50 km
Single track ultraruns around Hagg Lake near Gaston OR offering 50K and 25K loops with aid stations, cupless support, awards, and inclusivity programs.
April 2027
Apr
17-18
Sa - Su

Banana Slug Backyard Ultra & Backyard 24

Backyard Ultra 100 mi
Apr
23
Fr

Banana Slug Backyard Ultra & Backyard 24

Backyard Ultra 4 mi
Apr
24
Sa

Crown Stub 100

Trail Run 100 mi
April 24, 2027 100 mile ultramarathon at Stub Stewart State Park in Buxton OR on asphalt, gravel and dirt trails with about 7,000 ft gain; two person relay available.
Apr
25
Su

Stub Stewart Trail Challenge

Trail Run 7 mi 13 mi 20 mi 26 mi
A one-course trail event at L.L. Stub Stewart Memorial State Park on April 25, 2027 where participants choose one of four distances by completing laps of a 6.5 mile loop. Top male and female finishers in each distance receive Bivouac Golden Trucker H..
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