Trail Running calendar near Seaside 2026-2027

A spring off road run through the Wooden Shoe tulip fields on March 21, 2026. Distances include 5k, 10k and a half marathon and registration includes festival admission.

A 100 mile out and back ultramarathon at Stub Stewart State Park covering over 7,000 feet across asphalt, gravel and dirt. A two person Royal Ultra Relay runs the same course and the race uses a 32 hour overall cutoff.

A loop-based trail event at L.L. Stub Stewart State Park on April 5, 2026, offering one-, two-, three- and four-loop distance options on a varied 6.5 mile loop with cupless aid stations and awards for top finishers.

A time trial on Firelane 1 in Forest Park: a **4.45-mile** out-and-back with 1,266 feet of climb and descent, wave starts every ten minutes, limited to 144 runners, followed by a live-feed post-race gathering at Great Notion Brewing.

A multi event timed running event on May 9, 2026 at Linfield University Wellness Trail in McMinnville. Options range from one hour to twelve hours, plus a four loop relay and bingo lap races.

Event Overview The Tillamook Burn Trail Run offers two trail race distances, a 50 mile and a 55K run. A 50M/55K Double option is available for running both races consecutively over two days. The event takes place on May 16 & 17, 2026, a..

Wood You Rather is a unique checkpoint race where you chart your own course through Mt. Tabor Park. With a map in hand, you have two hours to strategize your route to collect as many checkpoints as possible. You can race solo or with a team..

Join the flat, paved 2.62-mile course at Frenchman's Bar Regional Park in Vancouver. Early registration includes a swag bag and socks. Enjoy a community event with snacks and a flexible distance for all.

Memorial Day weekend trail races in Portland's Forest Park featuring a 50K and a trail half marathon. Routes include the Wildwood Trail and benefit the Forest Park Conservancy.

A community 5K and 10K run or walk in Yacolt, WA on July 4, 2026, with day of registration and race day packet pickup near the library and at Yacolt Recreation Park.

A trail event in Yacolt, Washington offering a 50 mile ultra, a 50K and a 26-mile trail marathon with technical climbs, multiple aid stations, camping included and a field cap of 120.

A community 5K and 10K in Cook Park, Tigard, with in-person and virtual options supporting the Ladybug CDH Foundation. The event raises awareness and funds for Congenital Diaphragmatic Hernia and includes family and kids races.

A vineyard race near Dundee with Half, Quarter, 5K and virtual options. The event features courses through private vineyards, chip timing, commemorative swag and a post-race wine tasting with over 16 wineries.

A volunteer weekend at Marble Mountain Sno Park where participants hike about 9 mile roundtrip to carry water into remote aid stations for a race. Camping is possible and there is no participation fee.

Remote trail races on Mt. St. Helens with a full loop 50K and a shorter 25K. Routes run mostly on the Loowit Trail across lava, boulder fields, rivers and forest with thousands of feet of elevation change.

The Bigfoot 20 Mile Run starts at Marble Mountain Sno Park on Mount St. Helens. Runners traverse single-track trails through lava fields, streams, and old-growth forests.

Backcountry Rise is a trail race at the Mount St. Helens Science and Learning Center offering 50K, 20 mile and half marathon loop courses through remote, exposed singletrack with significant elevation and required safety gear.

A 5 km cross country race on a Tillamook flower farm featuring mud pits, two river crossings, wood-chipped trails and a corn maze. Two open races are held the same day with combined results and youth and adult categories.

The inaugural Dragonslayer Fantasy Dash and Strut is a 5K event in Gabriel Park, Portland. Costumes are encouraged, and the course features Villain Zones. It welcomes walkers, runners, leashed dogs, and strollers.

The Mook XC Invitational is a 5 km cross country race at The Mook at Alderbrook Golf Course in Tillamook, Oregon on September 19, 2026. The championship style course runs mostly on shortly clipped fairways and includes youth and adult categ..