Race Discovery
Little Patuxent River Half Marathon, 10K, & 5K
Little Patuxent River Half Marathon, 10K, & 5K logo

Little Patuxent River Half Marathon, 10K, & 5K

Columbia, Maryland, United States View on map
Jan 31, 2027 (America/New_York local time)
Running

About this race

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

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.

Pick your distance

Running

5K

Jan 31, 2027 5K 8:00 AM
$50.00
Open

5K & 10K

IMPORTANT - 10K race is 6.55 miles.

Jan 31, 2027 15.5K 8:00 AM
$115.00
Open

10K

IMPORTANT - 10K race is 6.55 miles.

Jan 31, 2027 10.5K 10:00 AM
$65.00
Open

5K & HALF MARATHON

Jan 31, 2027 25.9K 8:00 AM
$125.00
Open

HALF MARATHON

Jan 31, 2027 Half-Marathon 10:00 AM
$75.00
Open

HALF MARATHON - DEFER ENTRY

Jan 31, 2027 Half-Marathon 10:00 AM
Free
Open

10K - DEFER ENTRY

IMPORTANT - 10K race is 6.55 miles.

Jan 31, 2027 10.5K 10:00 AM
Free
Open

5K - DEFER ENTRY

Jan 31, 2027 5K 8:00 AM
Free
Open

Typical race-day weather

Based on 5 years of Open-Meteo archive data for this event's race dates in Columbia, plus the 3 days either side.

Temp (°C)
Minimum temperature (race-week average) -6.8° / Maximum temperature (race-week average) 1.3°
Feels Like (°C)
Minimum feels like — heat index / wind chill (race-week average) -13.6° / Maximum feels like — heat index / wind chill (race-week average) -3.3°
Peak wind (km/h)
Strongest wind of the day (race-week average)
19.8
Precip (mm)
Precipitation over the day (race-week average)
1.6mm
Humidity
Mean relative humidity (race-week average)
69.2%
Sunrise
Sunrise at the start line on January 31, 2027 (EST)
Sunset
Sunset at the start line on January 31, 2027 (EST)
Daylight
Hours between sunrise and sunset on race day
10h 11m

The sun rises at 7:14 AM and sets at 5:26 PM local time (EST) in Columbia on January 31, 2027 — 10h 11m 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.

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Other races near Columbia

Different organizers, within 40 miles, in the next three months

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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, 25 Columbia events

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