Rosaryville Ramble Half
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2027 Rosaryville Ramble 5k, 10k & Half
The event on February 27, 2027 takes place at Rosaryville State Park in Upper Marlboro, Maryland. It offers multiple race distances and a virtual run option for participants who cannot attend in person. Points from these races count toward the Year-Long 5k, 10k, Endurance, and Back of the Pack series, and also toward the organizer’s Winter Series.
Distances:
- 5k
- 10k
- Half marathon
The course begins on paved and gravel roads and includes scenic single-track trail sections with rolling hills. The 10k consists of two laps of the 5k course. Water stations are positioned approximately at mile 1 for the 5k; at miles 1, 3.1 and 4.1 for the 10k; and at miles 1, 2, 4.3, 7.1, 8.1 and 10.4 for the half. Gatorade will be available at some stations. The event is chip timed and finishers receive a medal and a technical (Dri-fit) event shirt.
The race benefits the Rosaryville Conservancy, a 501(c)(3) organization involved with the park. Packet pickup is available at the event and race-day registration is offered; shirt sizes are guaranteed only for runners registered by February 17. Live results are posted during and after the event. The organizer operates an all-weather policy and communicates any cancellations or changes to registered participants. Visit the organization's website for the most recent information.
