Rick O'Donnell Memorial Ultra Challenge

Mount Airy, United States • 12 Oct 2025

The Rick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge is an annual running event held in Mount Airy, Maryland, organized by the Frederick Steeplechasers Running Club. The event features three distinct challenges: a 5-mile trail run, a 4-hour challenge, and an 8-hour ultra challenge, allowing participants to choose their level of difficulty. Proceeds from the race benefit the Frederick Steeplechasers Memorial Scholarship Fund, which supports high school seniors who exemplify the values of character and integrity. The event honors the memory of notable runners and promotes a spirit of community and camaraderie among participants. Visit the organization's website for the most recent information.

Race information

8 hr
8-Hour Ultra Challenge
4 hr
4-Hour Challenge
5 mi
5 Mile Trail Run
Visit the organization's website for the most recent information.
Trail runs nearby

The Breeze Thru the Trees 5k is a cross-country running event taking place at Ruppert Nurseries in Gaithersburg, Maryland. Scheduled for April 6, 2025, the event features a 5K run and a 1-mile fun run, set against the backdrop of a lush tree nursery in Montgomery County’s Agricultural Reserve. Proce..

The Wild Trail 10K in Thurmont, MD, is a beginner-friendly trail race set in the scenic Thorpewood property. Scheduled for April 6, 2025, this event offers participants a unique opportunity to experience a beautiful course that is otherwise private. The race is part of the FSRC Grand Prix and is fre..

The C&O Canal 100 is a 100-mile ultramarathon set along the scenic Potomac River, ideal for both first-time and experienced runners. The course features a combination of one 40-mile loop and two 30-mile loops on the historic C&O Canal towpath, providing beautiful riverside views and a smooth terrain..

Run to Remember is a commemorative running event held in Piney Run Park, Sykesville, MD, featuring various race options including a 50K, 50K Relay, 25K, 5 Mile, and an 8 Hour Challenge. This event honors the memory of lost loved ones and encourages participants to challenge themselves in their honor..

The Farm Park Challenge is an exciting running event taking place at the Agricultural History Farm Park in Derwood, Maryland. Participants can choose from various challenges, including a marathon, a 25K, and timed events of 3, 6, or 10 hours, all featuring a 5-mile loop course. Runners start each lo..

The Run First Wine Later 5k, taking place at Creek’s Edge Winery, offers participants a scenic cross-country experience through the vineyard. This event includes both a 3k and 5k race, contributing points to the Year-Long 5k & Back of the Pack Series as well as the Sippin’ Series. Runners will recei..