Napa Wilderness Trail Runs

Volunteer Register
Saturday, May 16, 2026
Napa Wilderness Trail Runs
2201 Imola Ave.
Napa, CA • 50K, 30k , 21K, 10k
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Registration closes: Fri, May 15 @ 11:59PM PT
Welcome to Napa Wilderness Trail Runs
Welcome to Bay Trailrunners Napa Wilderness Trail Runs at Skyline Wilderness Park. Our 5th year at this location for Bay Trailrunners offers something for every level of trail running from Ultra Marathon for the more advanced runner or a 10k for someone just getting into the sport or those just coming back to it. Our 21k (half marathon) is perfect training for those looking to up their game a little. A challenging 30k and the beast 50K

Races / Registration
Napa Wilderness Trail Runs at Skyline Park will offer a wide range of trail runs from Ultra distance to a 10k for new trail runners or folks just getting back to the trails.
The 50k and 30k course were designed with the help of ultra runner Angela Abbey . Both course take you up the Rim Rock Trail with steep up hills and beautiful views of the whole Napa Valley. On your arrival to the summit of Rim Rock you can spot Mount Diablo to the East , Mount Tamalpais to the West and Mount Saint Helena to the North
The 21k route is a moderate level run and perfect for training for a longer run or just out to have a great time on the trails.
The 10k is perfect challenge for a new trail runner or someone just getting back into the sport.