5K races in California, United States — 2026 trail running calendar
30 events found
Jun
06
Lake Chabot Trail Challenge (Half Marathon & 5K)
Castro Valley, California, United States
$40.00 - $65.00
Trail running
Half-Marathon
5K
Aug
09
SAR Wild Run
Shaver Lake, California, United States
Trail running
Half-Marathon
10K
5K
3.2K
Jul
11
5AM Crew 5PM Group Hike
Mt Baldy, California, United States
Trail running
5K
Jun
26
The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)
Castro Valley, California, United States
Running
Trail running
5K
10K
Half-Marathon
+2
May
09
Waves & Whales 5K Trail Run
Point Arena, California, United States
Trail running
5K
May
09
Race for Open Space
Carmel-By-The-Sea, California, United States
Running
Trail running
1.6K
5K
12K
25K
+1
Lake Chabot Trail Challenge (Half Marathon & 5K)
Castro Valley, California, United States
Jun 6, 2027 (Sun)
$40.00 - $65.00
Trail running
Half-Marathon
5K
SAR Wild Run
Shaver Lake, California, United States
Aug 9, 2026 (Sun)
Trail running
Half-Marathon
10K
5K
3.2K
5AM Crew 5PM Group Hike
Mt Baldy, California, United States
Jul 11, 2026 (Sat)
Trail running
5K
The Rock the Loch 5K/10K/Half Marathon (LIVE or Virtual)
Castro Valley, California, United States
Jun 26, 2026 (Fri)
– Jun 29, 2026
Running, Trail running
5K
10K
Half-Marathon
+2
Waves & Whales 5K Trail Run
Point Arena, California, United States
May 9, 2026 (Sat)
Trail running
5K
Race for Open Space
Carmel-By-The-Sea, California, United States
May 9, 2026 (Sat)
Running, Trail running
1.6K
5K
12K
25K
+1