MCRRC Seneca Creek Greenway Trail Marathon

MAR
6
2027
Trail marathon and 50K at Seneca Creek State Park on single track trails, with on-course choice to stop at the marathon or continue to 50K.
Sat 6 Mar 2027
50 kilometers 26 miles

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MCRRC Seneca Creek Greenway Trail Marathon & 50K

This is a trail running event held at Seneca Creek State Park (Nuthatch Pavilion) in Gaithersburg, Maryland. The organizer describes the event as low-key and low-priced.

The course follows the Seneca Creek Greenway Trail and parallel single-track trails in Montgomery County. Participants may choose their final distance during the event: they can stop at the finish line for the marathon or continue on the course to complete the 50K.

Distances

  • 26.2 Miles (Marathon)
  • 50K

Registration opens on 2026-10-15 and closes on 2026-12-31. The published registration fee is $70. All participants receive a custom race bib, a short-sleeved tech shirt, and a finisher's medal. Visit the organization's website for the most recent information.

50 km
50k
26 mi
Marathon

Events nearby

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.
Trail 5k and 10k at Rock Creek Regional Park supporting The Rock Creek Foundation, with chip timing, medals, shirts, a virtual option, and series points.
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