2026 Optimism Cal Tri Triathlon

Started in 1978 as the Human Race Triathlon, Cal Tri Newport Dunes is the longest-running triathlon in the world, operating from the same location. Whether you’re interested in outdoor adventures or family-friendly activities, this race has it all. All levels of participants are invited to take part in the 2026 CalTriathlon. Started in 1978 as the Human Race Triathlon, Cal Tri Newport Dunes is the longest-running triathlon in the world operating from the same location. This serves as the Cal Tri Events National Championship Race with registration in the 1500-2000 range. There are 12 different…