⚠️ 2027 edition: provisional information
The date is estimated from the 2026 edition (June 21, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.
Available distances
About
The Longest Day 5K takes place at Libby Hill Forest in Gray, Maine, on June 20, 2027. The 5K (3.1 miles) trail race winds through the trail network on the longest day of the year.
Proceeds will go toward trail maintenance, and door prizes donated by local businesses will be up for grabs.
Prepare for Longest Day 5K with RunRun
An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.
- Personalized plan based on your VO2max, history and weekly availability
- Strava and Garmin sync: your sessions are analyzed and the plan adapts
- Target paces, long runs, key sessions: everything is calculated for race day
Races nearby
Other upcoming races around Gray.
Trail Festival at Pineland Farms
May 22, 2027 · New Gloucester, ME · 6 mi away
3.1 mi · 6.2 mi · 9.3 mi · 15.5 mi
Little Duck 50k
Oct 18, 2026 · Windham, ME · 7 mi away
6.2 mi · 31.1 mi
Fair Election 5K
Oct 18, 2026 · Falmouth, ME · 11 mi away
3.1 mi
L.L.Bean 4th of July 10K and 1-Mile Family Fun Run/Walk
Jul 2, 2027 · Freeport, ME · 12 mi away
6.2 mi · 1 mi
Falmouth 4-Miler
Apr 10, 2027 · Falmouth, ME · 12 mi away
4 mi
Westbrook Strong 5K and Matt's Mile Kids Fun Run
Jul 17, 2027 · Westbrook, ME · 14 mi away
3.1 mi