2025 - Jamaco River Run
2025 distances
Running
~5K (3.4 miles) Run/Walk
USATF Certified & Sanctioned
Kids 1K Fun Run (7 and Under)
Race-day weather
Conditions on June 21, 2025 — historical Open-Meteo data.
The sun rises at 5:05 AM and sets at 8:26 PM local time (EDT) in Merrimac on June 21, 2025 — 15h 20m 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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2025 results — Jamaco River Run
~5K (3.4 miles) Run/Walk · 269 finishers
| Place | Name | Time | Pace |
|---|---|---|---|
| 1 | John Glynn | 21:29 | 6:19 /mi |
| 2 | Noah Horgan | 21:34 | 6:21 /mi |
| 3 | Bre Clancey | 21:38 | 6:22 /mi |
| 4 | Jazz Roberts | 21:53 | 6:27 /mi |
| 5 | Nolan Taft | 21:59 | 6:28 /mi |
Every finisher is on the results page, filterable by distance, gender and age group.
Other races near Merrimac
Different organizers, within 40 miles, in the next three months
Santa's Toy Trot...2-mile, 4-mile, 6-mile Road Race & Elves Fun Run
Apple Harvest Run 2026
Jingle Bell Half Marathon & 5K
Cider Hill Farm 5K Fall Run
🏃 Plan Your Next Race in Merrimac
Find upcoming events by distance:
- Merrimac Running Calendar 2026 2 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, 2 Merrimac events
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