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Ultra Races in California (Page 2)
Browse 76+ upcoming ultra races in California.
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SPASM Crystal Springs Trail Run
Aug 30, 2026
Woodside, CA
30.9M
26.2M
22M
13.1M
6.2M
2M
66°
54°
0%
Noble Canyon 50K/15K
Sep 5, 2026
Pine Valley, CA
31.1M
9.3M
83°
55°
2%
FIESTA 10K & MILE RUN - FRESNO
Sep 5, 2026
Fresno, CA
400M
10K
2M
1M
95°
67°
0%
Diablo Trail Run
Sep 6, 2026
Clayton, CA
30.4M
26.2M
13.1M
10M
4M
2M
82°
61°
1%
Member Ops Trail
Sep 11, 2026
Wrightwood, CA
62.1M
50M
8HR
26.2M
18.6M
93°
63°
1%
Mendocino Running Festival
Sep 11, 2026
Mendocino, CA
12HR
6HR
1/2 Marathon
10K
91°
52°
1%
Berkeley Trail Adventure
Sep 12, 2026
Berkeley, CA
31.1M
21.7M
1/2 Marathon
10K
77°
54°
1%
Mile Madness Endurance Run
Sep 18, 2026
Auburn, CA
200M
100M
50M
31.1M
87°
58°
2%
Tierra Redonda Mountain Trail Run
Sep 19, 2026
Bradley, CA
48HR
24HR
12.4M
90°
50°
0%
Anime Fan and Fitness Festival
Sep 19, 2026
Gilroy, CA
400M
10K
5K
76°
53°
1%
Hill Valley 88 Miler ™
Sep 23, 2026
Mill Valley, CA
88M
1M
0.5M
0.25M
82°
53°
2%
Dick Collins Firetrails
Sep 26, 2026
Castro Valley, CA
50M
Marathon
77°
57°
2%
Bandit Ultra Trail
Sep 26, 2026
Simi Valley, CA
31.1M
18.6M
9.3M
92°
57°
1%
Mount Disappointment Mountain Race
Sep 26, 2026
Palmdale, CA
31.1M
15.5M
88°
61°
2%
JP's Backyard Ultra/Hike, The Final Edition
Sep 26, 2026
Napa, CA
33M
80°
50°
1%
Mammoth Trailfest
Sep 27, 2026
Mammoth Lakes, CA
31.1M
16.1M
72°
42°
3%
Back On The Ranch Trail Run
Oct 3, 2026
Los Olivos, CA
48HR
24HR
12HR
6HR
3HR
88°
48°
1%
Signal Peak Trail Runs
Oct 3, 2026
Emigrant Gap, CA
31.1M
24M
67°
51°
8%
Angeles Crest 100 Mile Endurance Run
Oct 3, 2026
Wrightwood, CA
100M
83°
56°
1%
Cuyamaca 100k
Oct 3, 2026
Julian, CA
62.1M
75°
53°
2%
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