Schaeffer Half Marathon and 10K Trail Run

Event overview

The Schaeffer Half Marathon, 10K, 5K Trail Run takes place on Saturday, November 8, 2025, at Button Farm Living History Center in Germantown, Maryland. The event is produced by EX2 Adventures and offers both in-person and virtual options for the half marathon, 10K, and 5K. The race has a charity partnership with Interfaith Works. A free short kids race for ages 2–11 is held on race day, and awards are given for the top five finishers in each category.

Course and race details

• 13.5 miles (half marathon) : listed elevation gain ~1,000 ft
• 6.7 miles (10K) : listed elevation gain ~500 ft
• 3.2–3.7 miles (5K) : listed elevation gain ~230–230 ft

The venue is on private farm property with a mix of twisty singletrack and wide-open farm field running. The 5K and 10K use the same layout as the summer Blue Crab Bolt event at Schaeffer; the organizer notes the landscape changes between summer and late fall. Race rules include visible front race numbers, no in-ear headphones, no pets, no pacers, no strollers, outside assistance only within 50 meters of aid stations, and a requirement to stay on designated trails. Age-group categories are Male, Female, and Non-Binary with standard age brackets from 12 and under up to 70–79. Registration includes a finisher medal, race shirt, aid stations, medical support, post-race food, and awards. Visit the organization's website for the most recent information.