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Triathlon Calendar near Oceanside 2025-2026

Explore the top triathlons near Oceanside for 2025-2026! We've gathered 2 exciting races in the area. Check out our detailed list below to find your next local race.

March 2026
Mar
28
Saturday

Ironman 70.3 Oceanside

Triathlon
July 2026
Jul
18-19
Sa - Su

San Clemente Ocean Festival

Multisport
The 2025 San Clemente Ocean Festival in San Clemente, California is a family-friendly sporting event billed as “The Greatest Show on Surf.” The athletic lineup features the Dory boat races, a 5K beach..
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