2026 Cal Tri Lake Perris - 4.12.26
Triathlon · 5K · 10K · 55 mi · 70 mi · 90 mi
4/12/2026, 12:30:00 PM · Perris, California, US
Est. 2025 · Listed Sep 13, 2020
Run Vibes summary
Summarization pendingAI summarization pending
We haven’t generated Run Vibes’ quick-read summary for this race yet—it’s in the enrichment queue and will appear here soon with notes on vibe, race-day feel, and who the event suits best.
Until then, open Original listing below for the full source description, and double-check anything important on the organizer’s page.
Original listingFull description from sourceTap to expand · same text as on RunSignup / the official listing▾
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.
Related races
More events in California, and comparable distances or challenge.
Join the Gold Star 5K in San Diego to honor fallen service members and their families, presented by MWR Fitness, with a special towel for early finishers.
5K · Walk · 1.5 mi · 1.3 mi
3/28/2026 · Bakersfield, CA
Est. 2025 · Listed Dec 18, 2018
Indulge your sweet tooth at the Bakersfield Donut Run, a delicious 5k and 1.5-mile walk where everyone gets amazing donuts, all while supporting a great cause.
5K · 10K · Half Marathon · 2 mi
3/28/2026 · San Francisco, CA
Est. 2025 · Listed Nov 9, 2021
AI summarization pending
We haven’t generated Run Vibes’ quick-read summary for this race yet—it’s in the queue and will show here when ready.
Full listing on the race page · official details from the source
35K · 21 mi · Half Marathon · 10K · 5K · 3.5 mi
3/28/2026 · Auburn, CA
Est. 2025 · Listed Mar 24, 2023
AI summarization pending
We haven’t generated Run Vibes’ quick-read summary for this race yet—it’s in the queue and will show here when ready.
Full listing on the race page · official details from the source
AI summarization pending
We haven’t generated Run Vibes’ quick-read summary for this race yet—it’s in the queue and will show here when ready.
Full listing on the race page · official details from the source
10K · 5K · Walk · 2 mi · Fun Run
3/28/2026 · Fresno, CA
Est. 2025 · Listed May 15, 2018
AI summarization pending
We haven’t generated Run Vibes’ quick-read summary for this race yet—it’s in the queue and will show here when ready.
Full listing on the race page · official details from the source
AI summarization pending
We haven’t generated Run Vibes’ quick-read summary for this race yet—it’s in the queue and will show here when ready.
Full listing on the race page · official details from the source
1K · 0.6 mi · 5K · Fun Run
3/28/2026 · Santa Cruz, CA
Est. 2025 · Listed Feb 13, 2019
AI summarization pending
We haven’t generated Run Vibes’ quick-read summary for this race yet—it’s in the queue and will show here when ready.
Full listing on the race page · official details from the source