Trail Running calendar near Olallie Lake 2026-2027

An evening trail race series in Forest Park, Portland held in spring, summer and fall. Each five-race Series features marked hilly courses of about 4 to 7 miles, Series standings for regular participants, and a post-series awards party.

A three day trail running event in the Columbia River Gorge featuring 100K, 50K and 30K distances, chip timing, stocked aid stations and a $75,000 prize purse. The event is staged at Marine Park in Cascade Locks with Thunder Island camping..

Experience a scenic 5k through Portland’s Mt. Tabor Park featuring varied terrain and trails. This dog friendly community event supports local student scholarships and athletic facilities.

Experience the scenic multi-use trails of Central Oregon with this low-key event offering 40-mile, marathon, and 20-mile distances. Enjoy an epic post-race feast and receive unique finisher socks in the heart of Sisters.

A four-race trail series in Bend, Oregon held April to July 2026 with courses of 4 to 7 miles. Series standings require participation in at least three races and the event is produced by Go Beyond Racing.

Experience the beauty of the Sandy River and Ancient Forest at the Oxbow Trail Runs near Portland. Choose from 5k, 10k, or Half Marathon distances in a scenic regional park for a day of nature and community.

Test your hill skills in this 4.45 mile time trial at Forest Park. Experience a steep out and back course on Firelane 1 followed by a live results viewing party at a local brewery.

A 50K trail ultramarathon in OSU’s McDonald Forest featuring smooth singletrack, scenic May views and a pine-needled downhill finish, limited to 300 runners and including a hoody and socks with entry.

Point to point trail half marathon from Husum to White Salmon featuring a 1500' climb on Weldon Wagon Trail, trails lined with wildflowers, and a fully stocked aid station. Proceeds support the Volunteer Firefighters Association of SW Fire..

Trail races in Sisters, Oregon on May 3, 2026, with 50K and half marathon courses starting and finishing at Village Green Park. The 50K includes 2400 ft of climb and five aid stations; the half has 700 ft of climb and two aid stations.

COCC Jungle Run in Bend, Oregon on May 7, 2026 offers 2 mile and 4 mile options at the COCC Track. Non-students pay $15 plus processing while COCC students register free with student ID and a free T shirt is available.

Join this unique timed event at Linfield University featuring distances from 1 to 12 hours and a creative Bingo Run. Complete loops on a dirt trail course to support local charities in a supportive community atmosphere.

A checkpoint run at Mt Tabor Park where runners get a map, pick their own routes, and try to collect the most checkpoints within two hours. Solo and team entries are available and finishing runners receive a mug plus event refreshments.

A 2.62-mile out-and-back on the paved double-wide trail at Frenchman's Bar Regional Park in Vancouver WA, with on-site gear pick-up, swag, parking for a fee, and a virtual participation option.

A self paced summer challenge in Central Oregon from May 22 to October 1, 2026. Hike nine buttes or try a single Micro Butte and redeem a free pint at each sponsoring brewery while tracking progress with summit submissions.

A night-oriented loop race at Cline Buttes offering 3/6/12-hour events, a Last Person Standing format, and a 5k on a 3-mile loop with a steep 0.5-mile climb; cupless aid, volunteer credits, youth discounts, and Indigenous free entries.

Trail races in Portland’s Forest Park over the Memorial Day weekend, featuring a 50K with nearly 4,000 feet of climb and a hilly half marathon; proceeds benefit the Forest Park Conservancy and finishers receive a pint glass and postrace foo..

Smith Rock Classic in Terrebonne, Oregon features 10 mile, 50K and 50 mile trail races around Smith Rock State Park and Crooked River Grasslands. Courses include several thousand feet of elevation gain, mixed single track and gravel surface..

Experience the scenic trails of Bend at the FootZone Dirty Half. This 13.1 mile course transitions from pavement to single track trail through the National Forest and concludes with a celebration featuring music and prizes.

A community trail event in Corvallis offering 30K, 8K, a 2 Miler and a 1/4 mile Kids Run, with routes through Bald Hill and Fitton Green. Proceeds support the Greenbelt Land Trust Trail Fund and same-day registration is available.