Half Marathons in California

Double Dipsea · Stinson Beach, California

Santa Cruz Trail Run · Felton, California

Summer Breeze 5k, 10k, 15k, Half Marathon · long beach, California

Trail Run at Sly Park Lake · Pollock Pines, California

One Love Run – 5K, 10K, 10M, and Half Marathon · Long Beach, California

Californian Dreamin 5K, 10K, & Half Marathon by Califlow Runs · Long Beach, California

Shoreline Park Half Marathon · Long Beach, California

Santa Rosa Marathon · Santa Rosa, California

SPASM Crystal Springs Trail Run · Woodside, California

Angel Island Half Marathon · Tiburon, California

Sloth Run 5K/10K/13.1 SACRAMENTO · Sacramento, California

Sloth Run 5K/10K/13.1 SAN DIEGO · San Diego, California

Sloth Run 5K/10K/13.1 SAN FRANCISCO · San Francisco, California

Sloth Run 5K/10K/13.1 LOS ANGELES · Los Angeles, California

Night of the Running Dead 5K, 10K, 1 Miler, Half Marathon SummerWeen Series by Califlow Runs · Long Beach, California

Run for Breast Cancer 5K/10K/13.1 LOS ANGELES · Los Angeles, California

Torrance Memorial Medical Center, BRA Run, Los Angeles · Playa Del Rey, California

Barbara Schmidt Millar Women's Triathlon & 5K: Celebrating Life, Empowering Women · Nevada City, California

Beach Day 5k, 10k, 15k, Half Marathon · long beach, California

Surfers Point Marathon · Ventura, California

Diablo Trail Run · Clayton, California

Summer Day 5k, 10k, 15k, Half Marathon · Van Nuys, California

Pirates Plunder – 5K, 10K, 10-miler, and Half Marathon · Long Beach, California

Mammoth Bar Trail Runs · Auburn, California

Vibha Bay Area Dream Mile 2026 · Sunnyvale, California

FIESTA HALF MARATHON, 10K & MILE RUN - FRESNO · Fresno, California

The Dream Mile · Sunnyvale, California

Labor Day 5k, 10k, 15k, Half Marathon · long beach, California

Long Beach Labor Day Run - Merging Forces 5K, 10K, Half Marathon, 1 Miler, Kids Dash · Long Beach, California

Mendocino Running Festival · Mendocino, California

The Honey Badger Half (& 10K/5K) · Santa Venetia, California

Berkeley Trail Adventure · Berkeley, California

Beer City Half™ Bishop Ranch · San Ramon, California

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN FRANCISCO · San Francisco, California

The Running Fence Run: A Run of Freedom- Celebrating Christo's 1976 "Running Fence” art project · Bloomfield, California

National Chocolate Day: Run for Chocolates 5K/10K/13.1 LOS ANGELES · Los Angeles, California

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SACRAMENTO · Sacramento, California

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN DIEGO · San Diego, California

Rise to the Top 5k, 10k, 15k, Half Marathon · Los Angeles, California

Run for Mental Health 5K/10K/13.1 SAN FRANCISCO · San Francisco, California

Run for Mental Health 5K/10K/13.1 LOS ANGELES · Los Angeles, California

Delta Harvest Run · Brentwood, California

Beach Fun 5k, 10k, 15k, Half Marathon · long beach, California

Seasonal Confusion 5K. 10K. Half Marathon by Califlow Runs · Long Beach, California

Rocky Ridge · san Ramon, California

Jurassic Jaunt – 5K, 10K, 10M, and Half Marathon · Long Beach, California

Bayside Saved by the Bell 5K, 10K & Half Marathon · Canoga Park, California

Run for Coffee 5k / 10k / 13.1 - Roseville · Rocklin, California

Rocky Ridge Trail Half Marathon · San Ramon, California

Alameda Island Running Festival · Alameda, California