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Races in California - September 2026 (Page 2)

Browse 56+ upcoming races in California for September 2026.

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Races in California - September 2026

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National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN DIEGO

Sep 12, 2026
San Diego, CA
13.1M10K5K1M
79°
67°
0%

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SAN FRANCISCO

Sep 12, 2026
San Francisco, CA
13.1M10K5K1M
70°
56°
1%

Seasonal Confusion 5K. 10K. Half Marathon by Califlow Runs

Sep 13, 2026
Long Beach, CA
13.1M6.2M3.1M
84°
65°
1%

Aloha Run San Diego

Sep 13, 2026
San Diego, CA
6.2M3.1M
79°
67°
0%

Mammoth BUFF - Beer Mile Run

Sep 18, 2026
Mammoth Lakes, CA
1M
76°
45°
2%

Mile Madness Endurance Run

Sep 18, 2026
Auburn, CA
200M100M50M31.1M
87°
58°
2%

Tierra Redonda Mountain Trail Run

Sep 19, 2026
Bradley, CA
48HR24HR12.4M
90°
50°
0%

The 41st Annual Newark Mile 4k (2026)

Sep 19, 2026
Newark, CA
2.5M
78°
58°
1%

Kiwanis River Run

Sep 19, 2026
Fresno, CA
6.2M5K2M
91°
64°
0%

Hunter's Heart Foundation - A World Beyond Wheels 5K Walk, Run, Ride 2026

Sep 19, 2026
South El Monte, CA
5K
90°
63°
1%

Race to Cure Sarcoma San Diego

Sep 19, 2026
San Diego, CA
5K0.6M
78°
67°
1%

Bayside Saved by the Bell 5K, 10K & Half Marathon

Sep 19, 2026
Canoga Park, CA
13.1M10K5K
94°
59°
1%

Anime Fan and Fitness Festival

Sep 19, 2026
Gilroy, CA
400M10K5K
76°
53°
1%

The Aloha Run

Sep 19, 2026
Clovis, CA
3.1M2M
91°
64°
0%

Season of the Witch 5K 10K by Califlow Runs

Sep 19, 2026
Long Beach, CA
6.2M3.1M
83°
64°
1%

Alameda Island Running Festival

Sep 20, 2026
Alameda, CA
13.1M6.2M3.1M1M
76°
57°
2%

The Village's Sixth Annual Miles for Mamas Walk/Run-Santa Monica

Sep 20, 2026
Santa Monica, CA
5K
77°
63°
1%

Aloha Run Long Beach

Sep 20, 2026
Long Beach, CA
6.2M3.1M
83°
64°
1%

Hill Valley 88 Miler ™

Sep 23, 2026
Mill Valley, CA
88M1M0.5M0.25M
82°
53°
2%

Dick Collins Firetrails

Sep 26, 2026
Castro Valley, CA
50MMarathon
77°
57°
2%
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