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Little Patuxent River Half Marathon, 10K & 5K

Name: Little Patuxent River Half Marathon, 10K & 5K
Start: 2026-01-31
End: 2026-02-01
Location: Columbia, Maryland

location_city Columbia

location_on Maryland

flag United States

calendar_today 31 Jan, 2026 – 01 Feb, 2026

directions_run Running

language Official Website

About the Event

All information about this race can be viewed at www.rivalraceseries.com/littlepatuxentriverrun.

VERY POPULAR! Race typically sells out in 10 hours. The 5K race will cap at 250 runners. The 10K/Half Marathon race will cap at 1,000 runners.

Enjoy nature in one of the most beautiful areas of Columbia, MD. Starting and finishing at the Guilford Pratt Truss Bridge, the half marathon (13.1 miles), 10K (6.55 miles) and 5K (3.1 miles) takes place on the Patuxent and Wincopin trails. The course runs along the Little Patuxent and Middle Patuxent River. The terrain is tame compared to many other trail races. This race is appropriate for beginners and intermediate runners. Registration includes a long sleeve shirt, finisher medal and knit gloves.

Jan 31 @ 4:00 PM - 5K

Feb 1 @ 9:00 AM- Half Marathon & 10K

Earn 3 finisher medals by registering and completing one of the following:

5K + 10K

5K + Half Marathon

Races Offered

50K

Jan 31, 2026

straighten

Distance — 50K

terrain

Type — Road running

timer

30 days remaining

50K Relay

Jan 31, 2026

straighten

Distance — 50K

terrain

Type — Road running

timer

30 days remaining

Weather Overview

These values represent the 3-year monthly averages for January in Columbia.

Temp (°C)

Feels Like (°C)

thermostat -1.4° / 6.5°

wb_sunny -6.2° / 2.5°

Wind (km/h)

Humidity (%)

air 12.0 /

water_drop 71.0%