2027 Cal Tri Castaic Lake - 6.19.27
2027 Cal Tri Castaic Lake - 6.19.27 is a triathlon, aquabike, duathlon, running, swimming, and swimrun race on June 19, 2027 in Castaic, CA, with entry fees from $53.86 to $500.
- Date
- June 19, 2027 (331 days to go)
- Price
- $53.86–$500
- Sports
- TriathlonAquabikeDuathlonRunningSwimmingSwimRun
From the Organizer
2027 Cal Tri Castaic Lake - 6.19.27
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.
CASTAIC LAKE.
Cal Tri Castaic Lake takes place at scenic Castaic Lake just 20 miles north of Los Angeles. The Castaic Lake Recreation Area, located just north of Santa Clarita, is an 11,200-acre multi-use facility with two lakes, boating, world class fishing, hiking, walking, horseback riding, wake boarding, jet-skiing, camping, picnicking, kayaking, and sailing. August is a great time to enjoy the water in the high 60s, and a staging area aptly named Paradise Cove. "Tri-cation" Friday night camping available through Castaic Lake.
THE COURSE.
The swim course is a modified V shape in Paradise Cove at Castaic Lake, with 8 lifeguards in the water on paddleboards. The bike course then goes out on back roads to limit your interaction with cars. The bike course does include some U-turns on back roads to allow this, so athletes should slow down at the turn around points. The run is primarily on the rolling trails overlooking Castaic Lake.
AIR TEMPERATURE (AVG).
Mid June temperatures are often cooler in the morning, with early morning fog burning off to reach the mid 80s. Our event will possibly be around 60 degrees.
WATER TEMPERATURE (AVG).
Water temps in June typically range in the mid to high 60s. Email updates will be sent out closer to the race with updates. Use the 20% 2026CALTRI discount code at blueseventy. Note: Fusion wetsuits not eligible for discount.
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
88°
Typical Low
57°
Chance of Rain
0%
Based on US Climate Normals data from Newhall 5nw, 6 mi from the venue.
Host City
About Castaic, CA
City Elevation
1,293 ft
Nearest Airport
BUR
Hollywood Burbank/Bob Hope Airport · 25 mi
Time Zone
Pacific Time
From Endurance Grid
Line up lodging and travel early to lock in your race weekend.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at 2027 Cal Tri Castaic Lake - 6.19.27, put it on the calendar, and turn “someday” into a start date.
331
Days to train
- Race
- 2027 Cal Tri Castaic Lake - 6.19.27
- Date
- June 19, 2027
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From Endurance Grid
About These Sports
This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
Triathlon
Swim, bike, run — back to back. The sprint distance makes it far more accessible than most people think. Three sports in one race means three movements to train and race day never gets monotonous.
Aquabike
A swim followed by a bike — a triathlon without the run. Sprint and Olympic distances, often alongside a tri at the same venue.
Duathlon
Run, bike, run. The multi-sport format without the swim. Two disciplines, one race — a great bridge between running and triathlon.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Open Water Swimming
Open water races take place in lakes, rivers, bays, and oceans. Distances can run anywhere from a short 500m swim to 10K marathon events. Just you and the water.
SwimRun
A continuous race alternating open-water swimming and running across a series of segments. Distances, format, and legs vary by event.
Coming Up
More Triathlon races near Castaic, CA
Goleta Beach Triathlon, Aquabike, Swim/Run
Sprint · From $50 · 5986 Sandspit Road
69 miles away
Hermosa Beach Triathlon
Sprint · From $188 · 1 Pier Avenue, Hermosa Beach
45 miles away
Santa Barbara Triathlon & Beach Festival
5K · 500m · 1500m · From $50 · 1118 E Cabrillo Blvd.
60 miles away
2026 Cal Tri LA - 10.18.26
5K · 10K · Sprint · Olympic · 500m · 1500m · From $43.86 · Dockweiler State Beach - Parking Lot 2
38 miles away
Plan your trip
Make it a Racecation
Coming from out of town? There's more to Castaic than race day. We'll help you line up nearby lodging, flights, a rental car, and things to do so you can make the most of your racecation.
Plan your trip to CastaicFrequently Asked Questions (FAQs)
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2027 Cal Tri Castaic Lake - 6.19.27
Jun 19, 2027