Sehgahunda Trail Marathon

Mount Morris, United States • 16-17 May 2026

Event overview

The Sehgahunda Trail Marathon, Marathon Relay and Vale of Three Falls take place 16-17 May 2026 at Letchworth State Park near Portageville, NY. The weekend includes multiple race options and a combined challenge that covers four races over two days.

Distances offered:

  • 26.3 miles Trail Marathon (solo)
  • 2 Person Relay Team
  • 4 Person Relay Team
  • 5K Lower Falls
  • 10K Middle Falls
  • 15K Upper Falls
  • 72 km Sehgahunda 72 (all four races)

The Trail Marathon entry is open to ages 16 and older. The Sehgahunda 72 is open to ages 17 and older.

Course and aid stations

The Trail Marathon is run on trails in Letchworth State Park and includes 8 stocked aid stations/check points. Both days of the weekend feature cup-free aid stations. Trail Marathon participants are required to carry personal hydration while on course.

The Vale of Three Falls races are out-and-back courses on a seasonal gravel service road along East Parade Grounds Road, based at the Parade Grounds. The surface is mainly stone/gravel or broken asphalt and the routes include hills and scenic overlooks with views of the Genesee River. Aid stations by distance:

  • 5K: 1 aid station
  • 10K: 3 aid stations
  • 15K: 5 aid stations

Swag and other details

All events include post-race food and drinks and an event shirt. Specific items listed:

  • Solo 26.3 finishers: Sehgahunda hoodie
  • Relay 26.3 teams: long sleeve T-shirt
  • Vale of Three Falls races: short sleeve T-shirt
  • Sehgahunda 72 participants: hoodie plus all three Vale of Three Falls shirts and a handmade finisher plaque

Shirts are guaranteed if registered before May 1. The Trail Marathon start is listed at 6103 Visitor Center Road, Mount Morris, NY; Vale races are based at the Parade Grounds in Letchworth State Park. The event address is 293 Portageville Rd, Portageville, NY. Visit the organization's website for the most recent information.

Race information

72 km
Sehgahunda 72
26 mi
Trail Marathon
26 mi
2 Person Relay Team
26 mi
4 Person Relay Team
15 km
Upper Falls 15k
10 km
Middle Falls 10k
5 km
Lower Falls 5k
Visit the organization's website for the most recent information.
Trail runs nearby

Run or walk the Batavia Turkey Trot 5K on Thanksgiving Day and support Crossroads House. Family and stroller friendly with costume prizes, hot drinks and snacks after the race.

Celebrate Thanksgiving at the Gratitude Run held at Rochester Rotary Sunshine Camp with a family friendly 5K, 1 mile, kids dash and virtual options. Run scenic camp trails and support Sunshine Camp programs for children with disabilities.

Start the season with Frozen Assets, a scenic 10k winter trail loop at Harriet Hollister Spencer State Recreation Area that often runs through snow. Carry your own water and enjoy warm cider at the finish.

Take on a crisp winter trail at Gannett Hill in Naples, NY with 4, 8 or 12 mile options around a scenic 4 mile loop. Warm up afterward in the heated lodge with pancakes, hot drinks and a cozy fireside finish.