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Mercer County Half Marathon & 5k

Trenton, New Jersey, United States

calendar_today 06 Sep, 2026

directions_run Running

sell $25.00 – $70.00

About the Event

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.

Races Offered

Half Marathon

Sep 06, 2026

straighten

Distance — 13.1 Miles

terrain

Type — Running

timer

08:00

sell

$70.00

5k

Sep 06, 2026

straighten

Distance — 5k

terrain

Type — Running

timer

08:15

sell

$25.00

Weather History

These values represent the 3-year monthly averages for September in Trenton.

thermostat Temperature

16.2° / 25.4°

wb_sunny Feels like

15.6° / 24.8°

light_mode Avg sunshine hours

8h 38m

water_drop Avg rainfall

3.3 mm

ac_unit Avg snowfall

—

air Avg wind speed

9.9 km/h (Light breeze)

opacity Sweat loss rate

High

terrain Course conditions

Hard and dry surface

sunny Max UV Index

Moderate (5.0)

humidity_mid Humidity

73.8%

wb_twilight Sunrise

06:40

nightlight Sunset

19:06

About Trenton

Learn more about the host city, Trenton.

Trenton is in Mercer County, and is the capital of New Jersey. The city's strategic location in between New York City and Philadelphia has historically contributed to its growth and significantly impacts local culture. Located on the Delaware River across from Pennsylvania, Trenton is the only accessible capital city in the United States to border another state.