All levels of participants are invited to take part in the 2023 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. Also started in 1978 was the Ironman World Championship Triathlon Oahu but moved to Kailua-Kona, Hawaii in 1981. This serves as the Cal Tri Events National Championship Race with registration in the 1500-2000 range.
There are 14 different events held during this one-day triathlon.