About This Event
Grand Ridge brings trail running to the heart of San Antonio, Texas, showcasing the region's diverse terrain through a multi-distance format. The event utilizes local trail networks to create courses that highlight the unique landscape of South Texas. This celebration of trail running offers options for every runner, from newcomers to seasoned ultramarathoners.
Choose Your Distance
5 Miles
The race utilizes two distinct loops: a 5-mile loop and a longer half-marathon loop of approximately 14 miles. All distances begin at the Highpoint Way Trailhead, following the Issaquah-Preston Trail for 0.5 miles before ascending rocky, technical switchbacks to the course junction. The longer distances continue up Grand Ridge with a detour to the Flowing Fir Trail before reaching the Duthie Aid Station. Marathon runners complete two half-marathon loops, while 50K runners tackle two half-marathon loops plus the 5-mile loop. The trails remain open to other users including pedestrians and cyclists during the event.
Half Marathon
The race utilizes two distinct loops: a 5-mile loop and a longer half-marathon loop of approximately 14 miles. All distances begin at the Highpoint Way Trailhead, following the Issaquah-Preston Trail for 0.5 miles before ascending rocky, technical switchbacks to the course junction. The longer distances continue up Grand Ridge with a detour to the Flowing Fir Trail before reaching the Duthie Aid Station. Marathon runners complete two half-marathon loops, while 50K runners tackle two half-marathon loops plus the 5-mile loop. The trails remain open to other users including pedestrians and cyclists during the event.
Marathon
The race utilizes two distinct loops: a 5-mile loop and a longer half-marathon loop of approximately 14 miles. All distances begin at the Highpoint Way Trailhead, following the Issaquah-Preston Trail for 0.5 miles before ascending rocky, technical switchbacks to the course junction. The longer distances continue up Grand Ridge with a detour to the Flowing Fir Trail before reaching the Duthie Aid Station. Marathon runners complete two half-marathon loops, while 50K runners tackle two half-marathon loops plus the 5-mile loop. The trails remain open to other users including pedestrians and cyclists during the event.
50K
The race utilizes two distinct loops: a 5-mile loop and a longer half-marathon loop of approximately 14 miles. All distances begin at the Highpoint Way Trailhead, following the Issaquah-Preston Trail for 0.5 miles before ascending rocky, technical switchbacks to the course junction. The longer distances continue up Grand Ridge with a detour to the Flowing Fir Trail before reaching the Duthie Aid Station. Marathon runners complete two half-marathon loops, while 50K runners tackle two half-marathon loops plus the 5-mile loop. The trails remain open to other users including pedestrians and cyclists during the event.