DateExpected
Late May 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Mount Morris Dam Visitor Center to the Parade Grounds, Letchworth State Park
Town of Mount Morris, Livingston County
Countdown
May
A full trail marathon that runs one way, from Mount Morris Dam to the Parade Grounds, so you finish somewhere new. Run it solo or split it with a relay team.
Key facts
01Course cutoff is 16:00, so plan a pace that keeps you ahead of it
028 aid and check stations along the point-to-point course
03Relay teams are scored by team size, with age group and sex rankings for solo runners
Create a free training plan for the Sehgahunda Trail Marathon & Relay
7-day free trial, no card required
The course
The route
Town of Mount Morris
Distance42km
StartElevation
0 kmDrag map to rotate40.7 km
Weather
Late-May, Town of Mount Morris
21°CTypical high
9°CTypical low
-3°CColdest in 20 years
41%Days with rain
Highs around 21°C and lows around 9°C, but it has dropped to -3°C. Rain on 41% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserYellowJacket Racing
Websiteyellowjacketracing.com
Instagram@yellowjacketracing
Running since2010
Training
Training for the Sehgahunda Trail Marathon & Relay
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Sehgahunda Trail Marathon & Relay plan targets
Typical sessions
42 km
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Sehgahunda Trail Marathon & Relay plan.
7-day free trial, no card required.
More events in May in United States
12 Hours of Port JervisExpected Early May 2027 · City of Port Jervis→3/4 Minus CykelturExpected Early May 2027 · Sandpoint→Bear Mountain Trail ChallengeExpected Early May 2027 · Town of Highlands→Belgian Waffle Roadie-OhSat, 1 May 2027 · San Marcos→Black Fork Gravel GrinderSat, 1 May 2027 · Glenmont→COWabunga! GravelExpected Early May 2027 · Viola→
