Logo

Rio Del Lago 100 Mile Endurance Run

Granite Bay, United States • 1 Nov 2025

Rio Del Lago 100 Mile Endurance Run is a premier ultramarathon held at Beal’s Point in the Folsom Lake State Recreation Area, about 40 minutes east of Sacramento. The event features a 100‑mile race and a 50K endurance run, both looping from Beal’s Point toward Auburn and back along the American River Parkway, with portions on the Johnny Cash Trail and Nimbus Bluffs. The course covers rugged single‑track and paved sections with roughly 13–14k ft of total elevation change.

It’s cupless, with well‑stocked aid stations and drop bags; pacers are allowed at select points. Finisher jackets and a belt buckle await sub‑30‑hour finishers. The race is a Western States qualifier and benefits PARC. Visit the organization's website for the most recent information.

United States California Granite Bay

Race information

Website Registration
100 mi
100 Mile Endurance Run
50 km
50k Endurance Run
Visit the organization's website for the most recent information.
Trail runs nearby

Gold Rush 10M Trail Run

Granite Bay

Gold Rush Growler Trail Runs at Granite Beach, Folsom Lake SRA, offer a 10-mile trail run and a 5K along the shoreline and trails. For 2025, the courses are new: the 5K starts at Granite Beach, to Oak Point and Old County, then returns on new and old trails; the 10-mile route starts at South Granite..

Rebels XC Challenge

Carmichael - 13 mi from Granite Bay

Rebels XC Challenge is a cross-country running meet held in Carmichael, California, at 6700 Tarshes Drive. The event is scheduled for September 20, 2025, and offers three divisions: Women’s Race, Masters Men, and Open Men. Distances are not listed on the page, and course specifics aren’t described,..

Sunset & Cider Trail Races

Auburn - 10 mi from Granite Bay

Sunset & Cider Trail Races takes place on September 27, 2025 in Auburn, California. The event is organized by Bad Luck Run Club and is set along the American River Canyon. The start and finish are at Ponderosa Cider Co, 102 Gum Lane, near Auburn Overlook Park. Bib pickup is scheduled the day be..

Auburn Half Marathon

Auburn - 10 mi from Granite Bay

The Auburn Half Marathon takes place on October 4, 2025, in Auburn, California. The event is organized by Brazen Racing and includes trail race options: Half Marathon 12K 5K A remote runner option is offered. Races are held on trails in the Auburn State Recreation Area and are associated with the..

Mile Madness Endurance Run

Rocklin - 4 mi from Granite Bay

...

Mile Madness Endurance Run takes place at Sunset Whitney Recreation Area in Rocklin, California. The race uses a 1.05-mile loop (85% dirt, 15% paved) with about 62 feet of elevation per lap and a central Start/Finish hub. Runners choose from 6-, 12-, 24-, 48-, or 72-hour events, plus a 100-mile chal..

Granite Head

Granite Bay

Granite Head 2025, billed as Granite Bay’s Best Trail Run and part of Trails & Ales, is a two-distance trail race presented by Altra in Granite Bay, California. Runners can tackle a gnarly 6.6-mile short course or an epic 11.2-mile long course. Both start and finish at Granite Beach, with the course..