
Mahlon Winter Donut Trail Run & Hike 5/10/15 is a trail running and running race on February 28 – March 20, 2027 in Lake Hopatcong, NJ, with entry fees from $45 to $55.
For 2026 we’re offering both 5-mile and 10-mile, and 15 mile trail options through the scenic Mahlon Dickerson Reservation. Expect a challenging and rewarding course featuring rugged, mixed terrain that winds through some of Morris County’s most beautiful woodland trails.
Participants Receive:
Hikers Welcome!
Please note: this is a true trail run. Participants should feel comfortable following trail markers signage and navigating back to the course if they wander off course. This run is rain, snow, or shine.
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
42°
Typical Low
23°
Chance of Rain
38%
Based on US Climate Normals data from Andover Aeroflex Ap, 8 mi from the venue.
City Elevation
973 ft
Nearest Airport
EWR
Newark Liberty International Airport · 29 mi
Time Zone
Eastern Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Every finish line starts with a single decision. Claim your spot at Mahlon Winter Donut Trail Run & Hike 5/10/15, put it on the calendar, and turn “someday” into a start date.
136
Days to train
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This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
Running off-road — dirt, singletrack, and mountain paths — from 5Ks to ultras. The terrain makes for an exciting twist and adventure in your running journey.
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Mahlon Winter Donut Trail Run & Hike 5/10/15
Feb 28, 2027