Rick O'Donnell Memorial Ultra Challenge

OCT
11
2026
Experience a unique trail event at Milkhouse Brewery in Mount Airy featuring a 5 mile race and timed ultra challenges. Complete as many loops as possible over four or eight hours on this scenic farm course.
Sun 11 Oct 2026
5 miles

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Event Overview

The Rick O'Donnell Memorial Ultra Challenge is an annual trail running event held at Milkhouse Brewery at Stillpoint Farm in Mount Airy, Maryland. This event has been held since 2013 and honors members of the local running community. The races take place on a trail course where participants can choose between a fixed-distance race or timed challenges.

Available Distances

Participants may select from the following event options:

  • 5 Mile Trail Run
  • 4-Hour Challenge
  • 8-Hour Ultra Challenge

Course and Format

The event consists of a loop-based format for the timed challenges. In both the 4-Hour Challenge and the 8-Hour Ultra Challenge, runners aim to complete as many loops as possible within their selected time limit. Participants may choose to run as many or as few loops as they prefer during the allotted timeframe. The single-distance 5 Mile Trail Run offers a traditional trail race format on the farm property. The registration period for these events begins in early March and concludes in late July. Visit the organization's website for the most recent information.

5 mi
5 Mile Trail Run
8-Hour Ultra Challenge
4-Hour Challenge

Events nearby

Participate in a 10 km run through the scenic Black Hill Regional Park in Boyds. This low key event offers a straightforward racing experience for both club members and the general public in a natural park setting.
Scenic 5K through vineyards and farm at Rocklands Farm Winery with chip timing, post run wine options, live music, and awards for overall and age group finishers.
Experience a mix of twisty singletrack and open farm field running in Germantown. This late autumn trail event offers three distances and a festive post race atmosphere at the historic Button Farm.
Experience a 50 mile trail race through the scenic Seneca Greenway and Muddy Branch trails in Maryland. This event features forested single track terrain and small stream crossings for dedicated distance runners.
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