Events
Beginner Friendly
Sprint Triathlon
Price:
$84.59
incl. $5.73 Fee
Time:
8:00AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
3195' Bike Elevation
Olympic Triathlon
Price:
$84.59
incl. $5.73 Fee
Time:
8:20AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
Sprint RunBikeRun (5km run, 15km bike, 5km run)
Price:
$84.59
incl. $5.73 Fee
Time:
8:00AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
Sprint SwimBike
Price:
$84.59
incl. $5.73 Fee
Time:
8:00AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
Sprint SwimRun
Price:
$84.59
incl. $5.73 Fee
Time:
8:00AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
Sprint Swim (400 yards)
Price:
$26.29
incl. $2.43 Fee
Time:
8:00AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
5K
Price:
$26.29
incl. $2.43 Fee
Time:
8:00AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
3195' Bike Elevation
Olympic RunBikeRun (5km run, 40km bike, 10km run)
Price:
$84.59
incl. $5.73 Fee
Time:
8:20AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
3195' Bike Elevation
Olympic SwimBike
Price:
$84.59
incl. $5.73 Fee
Time:
8:20AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
Olympic SwimRun
Price:
$84.59
incl. $5.73 Fee
Time:
8:20AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
Olympic Swim (1640 yards)
Price:
$26.29
incl. $2.43 Fee
Time:
8:20AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
10K
Price:
$26.29
incl. $2.43 Fee
Time:
8:20AM PDT
- 12:30PM PDT
475 spots left. Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
Must provide own tent, other tent sizes available upon request
Sponsor - 10x10 Tent
Price:
$526
incl. $26 Fee
Time:
8:00AM PDT
- 12:30PM PDT
Registration Opens August 5, 2026 at 12:00am PDT
Open to ages 18+.
2027 Cal Tri Castaic Lake - 6.19.27
Castaic Lake is located in northern Los Angeles County, just 45 miles north of downtown L.A. and is the largest state water project reservoir in Southern California containing over 11,000 acres of parkland and open space habitat. Castaic Lake offers various water activities, including boating, jet skiing, and swimming. While there aren't many accommodation options directly on Castaic Lake itself, you can find a range of lodging options in the nearby
Location
Castaic Lagoon (Parking $15)
32132 Castaic Lake Drive
California 91384, USA
12 EVENT OPTIONS. 6 Olympic distance events (Triathlon, RunBikeRun, SwimBike, SwimRun, 1640 Yard Swim & 10K Run) and 6 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. Downtown LA.
AIRPORT. Los Angeles (LAX)
AIR TEMPERATURE (AVG). 56 F / 87 F
WATER TEMPERATURE (AVG). 82F. Wetsuit legal (NO RESULTS).
Sponsors List
All Levels Sponsors
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