Trail Running calendar near Seaside 2025-2026

Run scenic, muddy trails at Hagg Mud 50K or 25K around Henry Hagg Lake in Scoggins Valley Park, Oregon. Both races include a group start, aid stations, finisher socks and a lively post race celebration.

Run Forest Run is a scenic but rugged trail race at Lake Sylvia State Park offering 25K and 50K options. Enjoy forested single track, muddy technical sections, and lake views while supporting a local trail running non profit.

Run through blooming tulip fields at the Wooden Shoe TulipFest Run in Woodburn, Oregon. Choose a 5K, 10K trail run or a half marathon, with festival admission included and scenic, sometimes muddy farm routes.

Take on the Crown Stub 100, a 100 mile ultramarathon at Stub Stewart State Park on April 4, 2026, featuring about 7,000 ft of climbing across asphalt, gravel, and single track. Enjoy scenic trails, full aid stations, and a team relay option..

Run scenic trails at L.L. Stub Stewart State Park with distances from a quarter marathon to the full marathon on April 5, 2026. The multi loop course lets you choose your distance on the day and finishers get a keepsake mug plus food and be..

Run along the scenic Sandy River at Oxbow Regional Park with 5k, 10k and half marathon options on rolling forest and river trails. Limited to 150 runners, this intimate spring trail event features aid stations, post race food and camping.

Run the Firelane Trail Trial, a steep 4.45 mile out and back time trial in Forest Park with a 2.23 mile climb and big elevation gain. Wave starts and a 144 runner cap make for an intense, focused race day.

Join Race to Space on May 9, 2026 at Linfield University in McMinnville for a fun trail event on a scenic 1.5 mile loop with timed options from 12 hour to 1 hour plus a four person relay. Try the quirky Bingo Run lap draw and support charit..

Run rugged singletrack through the Oregon Coast Range at the Tillamook Burn Trail Run on May 16 and 17, 2026 in Tillamook State Forest. Options include 50 mile, 55K or the 50M and 55K double, with full aid, timing and a festive finish.

Wood You Rather at Mt Tabor Park is a two hour checkpoint run where you pick your own trail route from a map to visit as many checkpoints as possible. Expect 5 to 8 miles and a Wood You Rather mug plus coffee and donuts at the finish.

Celebrate Memorial Day weekend in Portland with Stumptown Trail Runs, featuring a rugged 50K and a scenic half marathon through Forest Park and the Wildwood Trail. Small fields, great trail views, and proceeds support the Forest Park Conser..

Join the Bigfoot Fun Run in Yacolt, Washington on July 4, 2026 for a family friendly 5K or 10K run or walk. Day of registration and packet pickup available, so jump in and enjoy a festive holiday race.

Run Volcanic, a rugged trail race on Mt. St. Helens with 50K and 25K courses through boulder fields, river crossings and blast zone terrain. Start and finish at Marble Mountain Sno Park for a true backcountry challenge.

Run the Bigfoot 20 Mile on August 14, 2026 in Cougar, WA, from Marble Mountain Sno Park. Enjoy 20 miles of scenic single track around Mount St Helens through lava fields, stream crossings and old growth forest within a 9 hour cutoff.

Backcountry Rise takes runners into the Mt St Helens backcountry for scenic, rugged trail running. Race 50K, 20 mile, or half marathon loops at Coldwater Lake with aid, camping, and proceeds benefiting the Mt St Helens Institute.

Join the 36th Three Course Challenge at Camp Rilea near Seaside Oregon, a spirited cross country meet for middle and high school runners celebrating the sport since 1990. Multiple scenic courses and lively weekend festivities make this a mu..

Autumn Leaves is a scenic fall ultrarunning event at Champoeg State Park near St Paul, OR offering 30K, 50K and 50M on a fast, mostly paved 10K loop with fall foliage and camping onsite. A free Kids Run adds family fun; bring a cup or hydra..