River's Edge Endurance Challenge
About this race
***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
Pick your distance
Running
5K (3.1mile) Race
Typical race-day weather
Based on 8 years of Open-Meteo archive data for this event's race dates in Brunswick, plus the 3 days either side.
The sun rises at 7:02 AM and sets at 7:01 PM local time (EDT) in Brunswick on September 26, 2026 — 11h 59m of daylight.
Course
No course map published yet.
The organizer hasn't released a route for this event, and we don't publish guesses. If you're the organizer, send us a GPX file and we'll draw the profile.
Reviews
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2026 results — River's Edge Endurance Challenge
5K (3.1mile) Race · 37 finishers
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | Jakob Davidson | 20:27 | 6:35 /mi |
| 2 | E. Otto | 24:43 | 7:57 /mi |
| 3 | Timothy Otto | 24:46 | 7:58 /mi |
| 4 | Micah Cox | 26:59 | 8:41 /mi |
| 5 | Ifor Williams | 27:38 | 8:54 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
All results by year
Other races near Brunswick
Different organizers, within 40 miles, in the next three months
Paula's Path 5K Walk
Chasing Zero 5.5 and 22k
Pig Out Race & Marketplace
Headless Horseman Fun Run & 5K
🏃 Plan Your Next Race in Brunswick
Find upcoming events by distance:
- Brunswick 5K Races 2 races
- Brunswick Running Calendar 2026 4 races
Where this page comes from. Race details were last updated on . We re-check listings regularly and again in the week before race day.
- Entries, prices, waves and inclusions — the event's official registration page
- Temperature and humidity — Copernicus ERA5 reanalysis via Open-Meteo (CC BY 4.0)
- Elevation and terrain relief — Copernicus DEM GLO-90, ESA (CC BY 4.0)
- Comparisons and counts — Race Discovery calendar, 4 Brunswick events
Spotted something wrong? Tell us and we'll fix it.