This event is in the past.It took place on May 16, 2026 at Skyline Wilderness Park.
Track
TrackTackle 50 miles of rugged Napa wilderness on foot: solo or as a two-person relay team. The inaugural Rim Rock follows two challenging loops through Skyline Park and Suscol Headwaters, with wildlife sightings and valley views as your reward.
trail ultramarathon
endurance challenge
wine country trails
solo or relay
Tips
🦃"saw a rafter of 20 turkeys, several deer, very large squirrels"
🥤bring your own cup, it's a cupless race
👥relay option: split 50 miles with a partner
Rim Rock 50 Mile Trail Challenge
TrackTrackTackle 50 miles of rugged Napa wilderness on foot: solo or as a two-person relay team. The inaugural Rim Rock follows two challenging loops through Skyline Park and Suscol Headwaters, with wildlife sightings and valley views as your reward.
trail ultramarathon
endurance challenge
wine country trails
solo or relay
Tips
🦃"saw a rafter of 20 turkeys, several deer, very large squirrels"
🥤bring your own cup, it's a cupless race
👥relay option: split 50 miles with a partner
Make it an outing
Add nearby spots before or after your event