Mayfly Ultra

Event Details

Date: May 17, 2025

Location: Harrisburg Lake, Stony Creek, NY

Race Options

• 49K: Starts at 6:30 AM, ends at 5:00 PM, with an elevation gain of 2803 feet. Challenging run through both paved and unpaved roads.
• 27K: Starts at 8:30 AM, elevation gain of 1943 feet. Starts at the Stony Creek rec field.
• Relay: Starts at 6:30 AM.

Aid Stations

There will be 5 aid stations throughout the course to support your run.

Pre-Race Schedule

• May 16: Bib pick up from 4 PM to 6 PM
• May 17: Race Day! All events start at specific times and end at 5:00 PM.

Registration

49K Registration: $163.25

27K Registration: $141.95

Relay Registration: $386.90

All prices include taxes and fees. No charge until you confirm your registration.

Important Notes

Previous experience is required for the full ultra distance, and participants will be added to a waitlist for review.