Official AC100 Training Run: Chantry Flats to Loma Alta Park
Saturday, September 12, 2026 at 6:30 AM
Join Dominic Grossman for an official AC100 training run covering the final 23 miles of the 2026 course.
Meet at Loma Alta Park at 6:30 AM to carpool to Chantry Flats. The route travels over Mt. Wilson and Eaton Saddle, then continues through Sam Merrill to the finish at Loma Alta Park.
- Distance: 23 miles
- Meeting location: Loma Alta Park, 3330 Lincoln Avenue, Altadena
- Course support: The route will be marked, with an aid station near mile 15 at the top of Sunset Trail/Cape of Good Hope.
Runners should also have the route downloaded to a phone or watch. For questions, contact Dominic at Dominic.Grossman@gmail.com.
August AC100 Training Camp Recap
Thank you to everyone who joined Coach Martin Torres and INCLINE for the August 22–23 AC100 Training Camp and Course Preview.
Nearly 30 runners joined Saturday’s 30-mile loop from Loma Alta Park, and more than 20 returned Sunday for the loop over Mt. Wilson.
The weekend gave runners valuable experience on the revised 2026 course and a strong opportunity to train together ahead of race day.