Catalina Island Half-Marathon & 10K
Nov 14Avalon, CAHalf Marathon, 10K
35 mi from ARAVAIPA's OC Trail Runners Group Run, similar trail technicality to ARAVAIPA's OC Trail Runners Group Run, registration open
Aid stations, cutoffs and pacing in one plan, with the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planA FREE social, non-competitive, slower-paced group run at El Moro and Laguna Coast Wilderness Park with approximately 1,165 feet of vertical gain.
Registration closes
Oct 17, 2026
Race day
Oct 17, 2026
Current price
$0
Registration
Registration openings and major changes, like a new date or a cancellation.
Can't race, or need an entry? Post it here so nobody has to ask if it's still available.
Nov 14Avalon, CAHalf Marathon, 10K
35 mi from ARAVAIPA's OC Trail Runners Group Run, similar trail technicality to ARAVAIPA's OC Trail Runners Group Run, registration open
Oct 31Newport Coast, CA6 hr, 4 hr
1 mi from ARAVAIPA's OC Trail Runners Group Run, 2 weeks after ARAVAIPA's OC Trail Runners Group Run, registration open
Nov 7Silverado, CAMarathon, 25K +2
13 mi from ARAVAIPA's OC Trail Runners Group Run, 3 weeks after ARAVAIPA's OC Trail Runners Group Run, registration open
Nov 14Trabuco Canyon, CA8 hr, 6 hr +1
12 mi from ARAVAIPA's OC Trail Runners Group Run, 4 weeks after ARAVAIPA's OC Trail Runners Group Run, registration open
Straight-line distance
Oct 8Big Bear Lake, CA100 mi, 100K +2
Oct 10Foresthill, CA50 mi, 25 mi
Oct 10Granite Bay, CA11.45 mi, 6.6 mi
Oct 10Clayton, CA12 mi
Oct 10Julian, CA
Oct 10Dinuba, CA12 hr
Oct 10Brea, CA10K, 5K
Oct 10San Francisco, CAMarathon
Oct 10Auburn, CA50K, 13 mi +1
Oct 10Silverado, CA50 mi, 50K +1
Oct 11Susanville, CA50K, Marathon +2
Oct 11Nevada City, CAHalf Marathon, 10K +1
Oct 31Newport Coast, CA6 hr, 4 hr
Dec 12Newport Beach, CA15K, 6K
Jul 24, 2027Modjeska Canyon, CA50K, 30K +1
Nov 14Trabuco Canyon, CA8 hr, 6 hr +1
May 15, 2027Trabuco Canyon, CA50K, Marathon +3
Nov 7Silverado, CAMarathon, 25K +2
Oct 31San Juan Capistrano, CA50K, Marathon +3
Dec 1Southern, CA
Nov 7Brea, CA50K, 30K
Apr 24, 2027Brea, CA12 hr, 6 hr +1
Oct 17Santa Barbara, CA
Oct 17Anza, CA100 mi, 24 hr +4
Oct 17San Diego, CA
Oct 17San Diego, CA50K, 23 mi +4
Build your aid station plan, organize your crew, and dial in your nutrition strategy. Everything you need to finish strong.
Build my planAre you the race director for ARAVAIPA's OC Trail Runners Group Run?
Claim this race to manage registration, volunteers, and race day.