Hagg Mud 50K/25K

Gaston, United States • 14 Feb 2026

The Hagg Mud 50K/25K is an early-season trail running event held at Henry Hagg Lake in Scoggins Valley Park near Gaston, Oregon. Since 2001, it has attracted runners who enjoy muddy, challenging courses. Participants can choose between a 50K race, which involves two loops around the lake, or a 25K race with one loop.

The course features scenic views, single-track trails, gravel road sections, and multiple aid stations stocked with food and hydration. The event emphasizes environmental responsibility with cupless aid stations and waste reduction efforts. Post-race festivities include warm food, drinks, and finisher awards.

The race fosters inclusivity and supports diversity through partnerships like the Trail Mix Fund. Visit the organization's website for the most recent information.

Race information

50 km
50k
25 km
25k
Visit the organization's website for the most recent information.
Trail runs nearby

The Wine Country Trail Runs take place at Chehalem Ridge Nature Park near Gaston, Oregon, nestled in the heart of Willamette Valley's wine country. The event offers multiple distances including a half marathon, 10k, adaptive 10k, and 5k, catering to all levels of runners and adaptive athletes. The c..

The Crown Stub 100 is a challenging ultramarathon held at Stub Stewart State Park in Buxton, Oregon, known for its scenic beauty and outdoor adventure opportunities. The 100-mile course features over 10,000 feet of elevation gain and traverses a mix of surfaces including asphalt on the Banks Vernoni..

The Stub Stewart Trail Challenge is a versatile trail running event held at L.L. Stub Stewart State Park in Buxton, Oregon. Scheduled for October 5, 2025, it offers four distance options: quarter marathon (6.5 miles), half marathon, three-quarter marathon, and full marathon, all run on a challenging..

The Mt. Tabor Tar 'n' Trail is a fundraising running event held in scenic Mt. Tabor Park, Southeast Portland, Oregon.It features a 10K run, a 5K run/walk, and a 5K kids run for ages 12 and under. The courses are challenging and hilly, combining paved roads and dirt trails, hence the name "Tar 'n' Tr..

The Autumn Leaves 50 Mile event, held in St. Paul, Oregon, offers ultra runners a choice of 50-mile, 50K, and 30K distances, plus a free Kids Run. The course features a fast, flat 10K loop composed of 80% paved bike path and 20% dirt single track, suitable for road shoes.Runners complete multiple lo..

The Stumptown Trail Runs, held over Memorial Day weekend in Portland's Forest Park, feature a challenging 50K and a half marathon on scenic trails. Forest Park, a 5,200-acre urban forest with over 80 miles of trails, offers runners a chance to experience the iconic Wildwood Trail and lesser-known pa..