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Folsom 100

Name: Folsom 100
Start: 2025-08-01
End: 2025-08-01
Location: Granite Bay

Granite Bay, United States • 1 Aug 2025

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.

United States California Granite Bay

Race information

Website

100 mi

100 Miles

54 mi

54 Miles

20 mi

20 Miles

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday May 16

Wild Rose Half Marathon

Roseville

5 km

13 mi

Wild Rose Half Marathon & 5K in Roseville on May 16, 2026 offers a half marathon on the Pleasant Grove Bike Path and a 5K through William Hughes Park. Paved courses include multiple aid stations and post-race swag including a technical shir..

Sunday May 17

Mud Factor - Sacramento

Elk Grove

Mud Run / Obstacle Run

5 km

Mud Factor Sacramento is a 5K mud and obstacle run on May 17, 2026 at the 300-acre Mahon Ranch, marking the event's 15th anniversary; it features adult and KIDZ family waves and a $10 spectator festival pass.

Sat - Mon May 23-25

Western States Training Camp - Memorial Weekend

Experience the final 70 miles of the Western States trail during this three day training event featuring supported runs of 19, 20, and 32 miles through iconic canyon terrain and mountain climbs.

Saturday May 23

Placerville Path Memorial Day Run

...

A trail event on the El Dorado Trail in Placerville on May 23, 2026, offering distances from a kids run to a half marathon, paved and unpaved sections, aid stations, color-coded course markings, and medals for finishers.