River's Edge Endurance Challenge
- Date
- September 26, 2026
- Distance
- 5K (3.1mile) Race · 3 Hour Endurance Race · 6 Hour Endurance Challenge
From the Organizer
***To be sure you get a T-Shirt you must Register before 9/3/2026. If you register after 9/3/2026 11:59PM you may not get the size you want or even a shirt at all.
***Race Medals must be ordered ahead of time. Those who register after 8/15/2026 may not get a medal due to limited supplies.
1) Simply sign up for an in person race or challenge, show up at race, check in and race in our 8th Annual River's Edge Endurance Challenge!
Last year we changed our 5 mile race to 5K (3.1Mile) race and it was a hit! Basically the whole race is on the River's Edge Trail system! You will love it!
Our 3-hour challenge and a 6-hour challenge remain the same, and still use a 5 mile loop. How many 5 mile loops can you do in 3 or 6 hours?
TIME:
-Pre-Register now to save or in person Race Sign in for all races is 7:00 AM to 8:00 AM on Saturday, September 26, 2026.
-Random drawings for free gifts is 7:45 AM.
-The 5K & 3-Hour and 6-Hour Challenges ALL start at 8 a.m
LOCATION:
In Person, the lower practice fields in between Brunswick High School and Brunswick Middle School.
COURSE DESCRIPTION:
3 & 6 Hour endurance challenge include about 1 mile on Brunswick High school property with the rest being on run in the River's Edge Trail system. The 5K (3.1M) course is basically all on the trails. Short start and finish on school property. Both 5K and 5-mile loops are well marked.
ENTRANCE FEE:
5K (3.1 miles) Run - $35
3-HOUR Run - $50
6-HOUR Run - $60
*Price goes up after September 24th.
100% of the race fees is used to purchase shirts, medals, race support items like food, and the rest supports Brunswick High School Track in purchasing much needed new equipment. This is a non-profit race and as such there will be no refunds. Please see the refund policy.
ONLINE REGISTRATION:
https://runsignup.com/Race/MD/Brunswick/RiversEdgeEnduranceRace
Online registration is open through September 26, 2025, up to race sign in deadline at 8:00 AM.
All of those who pre-registered in time will receive a Shirt, unique REEC Finisher medal and other giveaways on race day.
PRIZES: Gift Cards will be awarded via random drawing--two gift certificates per race!
The River's Edge Endurance Challenge is sponsored by the Brunswick High School Athletic Boosters, a nonprofit 501(c)(3), and as such serves as a fundraiser for the Brunswick High School Track and Field program. All Monies raised by this event will be dedicated to the purchase of much needed equipment which is not otherwise funded by Frederick County Public Schools (FCPS). All donations and registration fees are fully tax deductible.
For more details visit race website.
https://riversedgeendurance.com/
PRESENTED BY:
Brunswick High School Athletics Boosters Club
BENEFIT:
Brunswick High School Track & Field Program equipment needs.
RACE DIRECTOR:
Kevin Ropp riversedgechallenge@gmail.com 202-365-1164
Events
Weather
Typical Conditions
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
74°
Typical Low
50°
Based on US Climate Normals data from Sharpsburg 5 S, 8 mi from the venue.
Host City
About Brunswick, MD
Population
7,994
as of 2023
Nearest Airport
IAD
Washington Dulles International Airport · 27 mi
Time Zone
Eastern Time
From Endurance Grid
A small town race. Lodging near the start could be limited, so book early.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at River's Edge Endurance Challenge, put it on the calendar, and turn “someday” into a start date.
110
Days to train
- Race
- River's Edge Endurance Challenge
- Date
- September 26, 2026
Coming Up
More Running races near Brunswick, MD
SUNSHINE and SPOKES GETAWAY 2026
13 miles away
MCRRC Groovin' Woodstock Trail 7K
13 miles away
Othello Park Labor Day 1K/5k
5K
3 miles away
Run On The Rocks • 10M / Half / 20M
5 miles away
From Endurance Grid
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
With running, there's a distance for every fitness level, a community at every start line, and nothing beats the feeling of crossing a finish line you trained for.
Running is an endurance sport that rewards consistency, and showing up every week compounds in ways that will surprise you.
Running
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Frequently Asked Questions (FAQs)
- What is the River's Edge Endurance Challenge?
- River's Edge Endurance Challenge is a running race held in Brunswick, Maryland on September 26, 2026. It is one of the many endurance events listed on Endurance Grid, a multi-sport endurance event calendar covering running races, triathlons, HYROX, and more endurance sports across the United States. Find more running races near you or explore our sports guides to learn what race day actually feels like.
- When and where is the River's Edge Endurance Challenge?
- Saturday, September 26, 2026 in Brunswick, Maryland at Brunswick Middle School, Brunswick, MD. Check the event page for exact start times and wave schedules.
- How do I register for the River's Edge Endurance Challenge?
- Registration is handled through the event's registration page. Confirm pricing and distances there, and sign up.
River's Edge Endurance Challenge
Sep 26, 2026