2026 Cal Tri Lake Perris - 4.12.26. This race is enclosed within an 8,200-acre rugged playground close to several major population centers including Anaheim (55 miles), LA (70 miles) and San Diego (90 miles).
18 EVENT OPTIONS. 6 Olympic distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 1640 Yard Swim & 10K Run), 6 Sprint distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 400 yard Swim & 5K Run) and 6 Youth Sprint distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 400 yard Swim & 5K Run). Triathlon = swim + bike + run. Typically, the swim and run distances are standard but the bike distance varies from race to race. Check out the course maps for more detailed information.
TO DO. Lake Perris. Mission Inn Museum. March Field Air Museum.
AIRPORT. Ontario (ONT)
AIR TEMPERATURE (AVG). 53 F / 76 F
WATER TEMPERATURE (AVG). 62 F. Wetsuit recommended. Use the 20% CALTRI2025 discount code at blueseventy. Note: Fusion wetsuits not eligible for discount.
Apr 12, 2026
Distance — 5K
Type — Running
08:00
$23.86
Apr 12, 2026
Distance — Sponsor - 10x10 Tent
Type — Running
08:00
$500.00
Apr 12, 2026
Distance — Sprint RunBikeRun (5km run 15km bike 5km run)
Type — Running
08:00
$78.86
Apr 12, 2026
Distance — Sprint Swim (400 yards)
Type — Running
08:00
$23.86
Apr 12, 2026
Distance — Sprint SwimBike
Type — Running
08:00
$78.86
Apr 12, 2026
Distance — Sprint SwimRun
Type — Running
08:00
$78.86
Apr 12, 2026
Distance — Sprint Triathlon
Type — Running
08:00
$78.86
Apr 12, 2026
Distance — Youth 5K
Type — Running
08:00
$0.00
Apr 12, 2026
Distance — Youth Sprint RunBikeRun (5km run 15km bike 5km run)
Type — Running
08:00
$0.00
Apr 12, 2026
Distance — Youth Sprint Swim (400 yards)
Type — Running
08:00
$0.00
Apr 12, 2026
Distance — Youth Sprint SwimBike
Type — Running
08:00
$0.00
Apr 12, 2026
Distance — Youth Sprint SwimRun
Type — Running
08:00
$0.00
Apr 12, 2026
Distance — Youth Sprint Triathlon
Type — Running
08:00
$0.00
Apr 12, 2026
Distance — 10K
Type — Running
08:20
$23.86
Apr 12, 2026
Distance — Olympic RunBikeRun (5km run 39km bike 10km run)
Type — Running
08:20
$78.86
Apr 12, 2026
Distance — Olympic Swim (1640 yards)
Type — Running
08:20
$23.86
Apr 12, 2026
Distance — Olympic SwimBike
Type — Running
08:20
$78.86
Apr 12, 2026
Distance — Olympic SwimRun
Type — Running
08:20
$78.86
Apr 12, 2026
Distance — Olympic Triathlon
Type — Running
08:20
$78.86
These values represent the 3-year monthly averages for April in Perris.
Perris is in Riverside County. It is known for Lake Perris, an artificial lake, skydiving, Southern California Railway Museum, and its sunny dry climate.
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