Mercer County Half Marathon & 5k
About this race
This USATF Certified Course will take you through beautiful country roads in Robbinsville Township. The course starts at Robbinsville Community Park, passes by scenic farmlands and the historic Robbin's House.
Wearable cut off date: One month from race day
Wearables may be in the form of a T-Shirt, Hat, etc.
Pick your distance
Running
Half Marathon
5k
Typical race-day weather
Based on 8 years of Open-Meteo archive data for this event's race dates in Trenton, plus the 3 days either side.
The sun rises at 6:31 AM and sets at 7:23 PM local time (EDT) in Trenton on September 6, 2026 — 12h 51m 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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Results — Mercer County Half Marathon & 5k
Other races near Trenton
Different organizers, within 40 miles, in the next three months
Historic Allentown 5K
LIVE RACE! #WhatsMyName 5K and 1 Mile Walk
Stephanie Berman 5k Run
Tribe Fitness Challenge - Field
🏃 Plan Your Next Race in Trenton
Find upcoming events by distance:
- Trenton 5K Races 3 races
- Trenton Half Marathons 2 races
- Trenton 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 Trenton events
Spotted something wrong? Tell us and we'll fix it.