Death Ride – Tour of the California Alps 2026

The Death Ride has evolved from a modest gathering of 17 friends in 1978 to a legendary cycling challenge that…

Presented by Tour of the California Alps

Tahoe Rim Trail Endurance Runs (TRTER) 2026

The Tahoe Rim Trail Endurance Runs takes place on one of America’s most scenic high-altitude loop trails, offering 50K, 56-mile,…

Presented by TRTER

Tahoe Trail 2026

This Leadville Race Series mountain bike event takes place at Northstar California Resort in the Sierra Nevada mountains, offering riders…

Presented by Life Time Events

24 Hours in the Enchanted Forest 2026

The 24-hour format challenges riders to complete as many laps as possible on a demanding 13.5-mile loop through the Santa…

Presented by Zia Rides

Enchanted Forest Trail Races 2026

Gemini Adventures brings two challenging trail runs through Carson National Forest in Red River, New Mexico. The Marathon covers 25…

Presented by Gemini Adventures

Tushars Mountain Runs 2026

The Tushars Mountain Runs delivers exactly what it promises: one of the most technically demanding and visually spectacular mountain races…

Presented by Aravaipa Running

Tour de Big Bear 2026

The Tour de Big Bear unfolds across multiple challenging routes through the San Bernardino Mountains, reaching elevations up to 8,500…

Presented by Big Bear Cycling Association

Angeles Crest 100 2026

The Angeles Crest 100 has challenged trail runners since 1986 through the rugged San Gabriel Mountains of Southern California. What…

Presented by Team AC100

Downieville Classic 2026

The 26th iteration of this iconic mountain bike festival brings a unique dual-discipline challenge to California’s Sierra Nevada. The weekend…

Presented by Sierra Buttes Trail Stewardship

Enchanted Circle 2026

The Enchanted Circle follows the entire 85-mile Enchanted Circle Scenic Byway through Northern New Mexico’s high country, taking riders counterclockwise…

Presented by The Ride Collective

Glori Days 50 2026

The Glori Days 50 delivers a punishing 50-mile test through Glorieta Adventure Camps’ extensive trail network in the foothills of…

Presented by Zia Rides

Wasatch Front 100 2026

The Wasatch Front 100 stands as one of ultrarunning’s most formidable challenges, earning its reputation as “100 miles of heaven…

Presented by Grand Slam of Ultra-Running

Mogollon Monster 100 2026

The Mogollon Monster 100 traverses Arizona’s dramatic Mogollon Rim, a 200-mile geological formation that rises 2,000 feet from high Sonoran…

Presented by Aravaipa Running

LoToJa Classic 2026

Started in the 1980s by two Logan cyclists seeking to create an American equivalent to the grueling one-day European classics,…

Presented by Epic Events

Mammoth Gran Fondo 2026

Starting at 8,074 feet in the Sierra mountains, the Mammoth Gran Fondo delivers one of cycling’s most spectacular high-altitude experiences.…

Presented by Mammoth Mountain Community Foundation

Grizzly 100 & Big Bear MTB Gran Fondo 2026

This mountain bike event in Big Bear Lake, California combines what were once two separate races into a single day…

Presented by National Ultra Endurance Race Series (NUE)

Vacation Races – Bryce Canyon Ultras 2026

This high-altitude ultra runs around the northern half and western edge of the Paunsaugunt Plateau, delivering spectacular views above and…

Presented by UTMB World Series

Tour of the White Mountains 2026

Set at a challenging 7,000 feet in the pine forests of Pinetop-Lakeside, Arizona, the Tour of the White Mountains offers…

Presented by Epic Rides

Mt. Diablo Challenge 2026

The Valley Spokesmen Bicycling Club celebrates 42 years of the Mt. Diablo Challenge, an 11.2-mile climb up one of the…

Presented by Valley Spokesmen Bicycle Club

Heart of Gold Gravel 2026

Heart of Gold Gravel explores remote roads north and east of Nevada City, California, combining the challenges of gravel cycling…

Presented by Bike Monkey

Spirit World 100 2026

Founded by gravel cyclists Heidi Rentz and Zander Ault, the Spirit World 100 unfolds across the picturesque San Rafael Valley…

The Bovine Classic 2026

This Paso Robles gravel event has earned rave reviews from participants, with many calling it one of the best gravel…

Presented by Bike Monkey

Canyonlands Ultra 2026

The Canyonlands Ultra showcases Moab’s spectacular red rock terrain across six distances ranging from 15K to 100K. Organized by Mad…

Presented by Mad Moose Events

Lake Sonoma MTB 2026

This challenging 27-mile single-track loop around Lake Sonoma delivers over 4,300 feet of elevation gain with no bailout points, making…

Presented by Hopper Adventures (Grasshopper)