Oceanside
Triathlon Calendar near Oceanside 2026-2027
Monthly updates for Oceanside
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Explore the top triathlons near Oceanside for 2026-2027! We've gathered 4 exciting races in the area. Check out our detailed list below to find your next local race.
April 2027
IRONMAN 70.3 Oceanside is a triathlon in Oceanside, California featuring a sheltered harbor swim, a bike through Camp Pendleton, and a beachfront run finishing on the Strand.
July 2027
A USA Triathlon sanctioned event at Fletcher Cove on July 25, 2027 offering sprint triathlon, duathlon, aquabike, aquathlon and a standalone 5K along the Pacific coast.
October 2027
Trail running at Lake Hodges on October 16, 2027 with distances from 1 mile to 50K, youth categories, and a cupless aid station policy.
Off-road duathlon at Lake Hodges on 10/17/2027 featuring run, bike, run segments, individual or team entries, and a cupless aid station policy requiring personal hydration vessels.
Monthly updates for Oceanside
Get new running races (and updates) in your inbox every month.