Available distances
About
The River's Edge Endurance Challenge is organized by the Brunswick High School Athletic Boosters to support the school's track program in Brunswick, Maryland.
Participants can sign up for a variety of endurance challenges, including races held on the River's Edge Trail network — with options ranging from a 5K to 3-hour and 6-hour timed events. Marked courses are provided for each format, and entry fees help fund T-shirts, medals, and equipment for the track program. Gift card raffles are also part of the event.
Prepare for River's Edge Endurance Challenge 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
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Races nearby
Other upcoming races around Brunswick.
JFK 50 Mile
Nov 21, 2026 · Funkstown, MD · 21 mi away
50 mi
Schaeffer Half Marathon and 10K Trail Run
Nov 7, 2026 · Germantown, MD · 21 mi away
3.2 mi · 6.7 mi · 13 mi
Rick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge
Oct 11, 2026 · Mount Airy, MD · 24 mi away
5 mi · 4 h · 8 h
MCRRC Stone Mill 50 Mile Run
Nov 7, 2026 · Montgomery Village, MD · 25 mi away
50 mi
Fall Backyard Burn 5M/10M Trail Running Series-Race #2
Nov 22, 2026 · Reston, VA · 29 mi away
5 mi · 10 mi
Fall Backyard Burn 5M/10M Trail Running Series-Race #1
Oct 18, 2026 · Great Falls Crossing, VA · 29 mi away
5.1 mi · 10 mi