Hagg Mud 50K/25K

FEB
14
2026
Trail ultraruns at Henry Hagg Lake offering a 50K with two lake loops and a 25K with one loop. Single track and gravel road sections, cupless aid stations, paced cutoffs, and post race food plus finisher socks.
Sat 14 Feb 2026
50 kilometers 25 kilometers

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Hagg Mud 50K/25K : Henry Hagg Lake, Scoggins Valley Park

The Hagg Mud 50K/25K is a winter trail event held at Henry Hagg Lake in Scoggins Valley Park near Gaston, Oregon. The start and finish are at the C-Ramp recreation area. The course uses a mix of single track trails and short road sections, with the largest elevation change occurring on a gravel out-and-back near Sain Creek Pavilion.

Distances

  • 50K: two counter-clockwise laps around Hagg Lake on single track and road.
  • 25K: one counter-clockwise lap around Hagg Lake with a few short road sections.

Course and aid stations: the 50K route includes multiple aid stations positioned near the dam, Fenders Blue, and the start/finish; the 25K passes two aid stations. Aid stations are cupless; runners must carry a handheld, hydration pack, or reusable cup. Stations provide water, electrolyte refills, fruit, sweet and salty snacks, and packaged gels.

Timing and entry notes: the 50K enforces an average pace requirement that makes walkers ineligible; the 25K allows a more generous time limit. Prizes are awarded to the top three finishers in each gender division and multi-year finish awards are recognized. All finishers receive custom Hagg Mud finisher socks and post-race food and drinks.

Sustainability and inclusion: the event emphasizes waste reduction with recycling and food waste buckets, and partners with the Trail Mix Fund to support entry fee assistance for underrepresented communities. Visit the organization's website for the most recent information.

50 km
50k
25 km
25k