Races in California, United States

May 2027

• May 1 Santa Clarita Trail Race (15K) Santa Clarita · 15 km Trail 15 km
• May 1 Santa Clarita Trail Race (30K) Santa Clarita · 30 km Trail 30 km
• May 1 Santa Clarita Trail Race (60K) Santa Clarita · Ultra (60 km) Trail Ultra (60 km)
• May 1 Des Moines Women's Half Marathon, 10K & 5K Des Moines · Half Marathon Half Marathon
• May 1 Des Moines Women's Half Marathon, 10K & 5K Des Moines · 10K 10K
• May 1 Des Moines Women's Half Marathon, 10K & 5K Des Moines · 5K 5K
• May 1 The Hoag OC Marathon Running Festival Costa Mesa · 5K 5K
• May 1 Miwok 100K Trail Race presented by The North Face (100K) Stinson Beach · Ultra (100 km) Trail Ultra (100 km)
• May 2 2027 Avenue of the Giants Marathon Arcata · 10K 10K
• May 2 2027 Cal Tri Ventura - 5.2.27 (6 Miles) Ventura · 6 mi 6 mi
• May 2 2027 Avenue of the Giants Marathon Arcata · Half Marathon Half Marathon
• May 2 2027 Avenue of the Giants Marathon Arcata · Marathon Marathon
• May 2 Red Shoe Run & Walk 5K (5K) Iowa City · 5K 5K
• May 2 Bay Bridge Half Marathon Oakland · Half Marathon Half Marathon
• May 2 The Hoag OC Marathon Running Festival Costa Mesa · Half Marathon Half Marathon
• May 2 Des Moines Women's Half Marathon, 10K & 5K Des Moines · 10K 10K
• May 2 The Hoag OC Marathon Running Festival Costa Mesa · Marathon Marathon
• May 2 2027 Cal Tri Ventura - 5.2.27 (3 Miles) Ventura · 3 mi 3 mi
• May 8 Race to Cure Sarcoma San Francisco (5K) San Francisco · 5K 5K
• May 8 Run for Chocolate 5k/10k/13.1 SAN FRANCISCO (10K) San Francisco · 10K 10K