Folsom 100

AUG
1
2025
Read all about the Folsom 100 on 1 Aug 2025 in Granite Bay.
Fri 1 Aug 2025
100 miles 54 miles 20 miles

Always double-check with the organizer's website! This page may contain affiliate links.

About the race

The Folsom 100 is an exhilarating 100-mile ultramarathon that takes place around Folsom Lake, California. Scheduled for August 1, 2025, this challenging race features a point-to-point course with a single out-and-back section. Participants have 34 hours to complete the loop, which includes stunning views and diverse terrain, primarily on trails with some paved sections.

The event also offers a 54-mile race and a 100-mile two-person relay option. Runners can expect multiple aid stations and awards for finishers, including buckles for those completing the 100-mile distance. Proceeds from the race support local charities. Visit the organization's website for the most recent information.

100 mi
100 Miles
54 mi
54 Miles
20 mi
20 Miles

Events nearby

A trail 5K and 10K at Granite Beach for runners with or without dogs, featuring shaded single-track trails, mid-course aid stations, finisher medals and dog bandanas.
Trail races at Mammoth Bar OHV Area in Auburn State Recreation Area on September 6, 2026. Options include a 13.1 mile half marathon and a 6.2 mile 10K, each with notable elevation gain and staffed aid stations.
Mile Madness is a looped trail endurance event in Auburn, California, held September 18-21, 2026. Timed events run from 3 to 72 hours with a 0.75 mile loop and options including a 100 mile race plus on-site aid and amenities.
Trail runs at Granite Beach on Folsom Lake with new 10 mile and 5K courses, aid stations, age group awards, a finisher beer glass and a postrace meal.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.