2026 San Diego Tri Classic & San Diego 5K

About the Event

Mark your calendars for the San Diego Triathlon Classic
📅 Saturday, September 12, 2026
📍 San Diego, CA – Liberty Station

🔥 About the Event
Swim. Bike. Run. Celebrate.

Swim the calm waters of San Diego Bay, ride through beautiful Point Loma and Rosecrans National Cemetery, and run past a battleship along the waterfront trails of Liberty Station.
• Scenic, historic course
• Flat Waterfront Run
• Amazing community vibe
• Great swag & post-race celebration

🏊‍♂️🚴‍♀️🏃‍♂️ Triathlons Swim/ Bike/ Run

Olympic: 1500M Swim • 40K Bike • 10K Run
Sprint: 500M Swim • 20K Bike • 5K Run
Relay Olympic: 3-person team
🏊‍♂️🚴‍♀️ Aquabike Swim/ Run

Olympic: 1500M Swim • 40K Bike
Sprint: 500M Swim • 20K Bike
🏃‍♂️🚴‍♀️🏃‍♂️Duathlon Run/Bike/ Run

Sprint: 1 Mile Run • 20K Bike • 5K Run
🏊‍♂️🏃‍♂️Aquathlon Swim/ Run

Sprint: 500M Swim • 5K Run
Run Only 🏃‍♂️🏃‍♂️🏃‍♂️🏃‍♂️🏃‍♂️

San Diego 5K

📍The Most Iconic Course in San Diego
Swim in calm San Diego Bay
Ride through Point Loma and the Rosecrans National Cemetery
Run around a retired battleship and along the waterfront
Flat, fast, and filled with SoCal views

Races Offered

Aquabike (Swim/Bike) - Olympic Distance

Sep 12, 2026

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Distance — Aquabike (Swim/Bike) - Olympic Distance

terrain

Type — Running

timer

06:15

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$150.00

Triathlon Relay - Olympic Distance

Sep 12, 2026

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Distance — Triathlon Relay - Olympic Distance

terrain

Type — Running

timer

06:15

sell

$338.00

Triathlon-Olympic Distance

Sep 12, 2026

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Distance — Triathlon-Olympic Distance

terrain

Type — Running

timer

06:15

sell

$225.00

Triathlon-Sprint - Duo Racer (Challenged Only)

Sep 12, 2026

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Distance — Triathlon-Sprint - Duo Racer (Challenged Only)

terrain

Type — Running

timer

06:20

sell

$141.00

Duathlon - Sprint Distance

Sep 12, 2026

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Distance — Duathlon - Sprint Distance

terrain

Type — Running

timer

07:15

sell

$141.00

Duathlon-Duo Racer (Challenged Only) - Sprint Distance

Sep 12, 2026

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Distance — Duathlon-Duo Racer (Challenged Only) - Sprint Distance

terrain

Type — Running

timer

07:15

sell

$141.00

Aquabike (Swim/Bike) - Sprint

Sep 12, 2026

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Distance — Aquabike (Swim/Bike) - Sprint

terrain

Type — Running

timer

07:20

sell

$94.00

Aquathlon (Swim-Run) - Sprint

Sep 12, 2026

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Distance — Aquathlon (Swim-Run) - Sprint

terrain

Type — Running

timer

07:20

sell

$94.00

Triathlon-Sprint Distance

Sep 12, 2026

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Distance — Triathlon-Sprint Distance

terrain

Type — Running

timer

07:20

sell

$141.00

SD Tri Series 5K

Sep 12, 2026

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Distance — 5K

terrain

Type — Running

timer

07:30

sell

$31.00

Weather History

These values represent the 3-year monthly averages for September in San Diego.

thermostat Temperature

17.9° / 24.7°

wb_sunny Feels like

18.9° / 24.2°

light_mode Avg sunshine hours

10h 13m

water_drop Avg rainfall

0.7 mm

ac_unit Avg snowfall

—

air Avg wind speed

8.8 km/h (Light breeze)

opacity Sweat loss rate

High

terrain Course conditions

Hard and dry surface

sunny Max UV Index

Moderate (5.0)

humidity_mid Humidity

77.8%

wb_twilight Sunrise

06:32

nightlight Sunset

18:53

About San Diego

Learn more about the host city, San Diego.

From balmy beaches with a laid-back attitude to a gleaming modern image, San Diego offers much for the tourist to enjoy. Situated on the Southern California seacoast, San Diego is the second largest city in the state, with 1.4 million residents (2020), and has long attracted travelers for its ideal climate, miles of beaches, and location on the Mexican border right across from Tijuana.