Tamarac Tri

About the Event

Get ready for the Tamarac Triathlon — a fun, high-energy race with a welcoming small-town vibe! Held at scenic Fremont Lake Park, this sprint triathlon features a 750-meter swim, 12.4-mile bike ride, and 5K run, perfect for both seasoned athletes and first-timers. Whether you’re chasing a PR or just want to try something new, this event offers a supportive atmosphere, great community spirit, and a beautiful course. Limited to just 150 participants, it’s sure to be a standout summer event — so don’t wait! Register today! Course maps are shown on the website.

Registration is open until August 13, 2026. No refunds, no transfers. Sign up today!

Swim Portion of the race: We will have 3 waves with 50 swimmers in each wave for racers.

Nervous About the Swim? No Problem!

If you’re not a strong or confident swimmer, we’ve got you covered. We recommend signing up for Wave 2 or Wave 3, which are designed for participants who prefer a more relaxed pace in the water. You’re also welcome to use a life jacket, kickboard, or other approved flotation aids to help you complete the swim safely and confidently.

This race is about participation, fun, and personal achievement—so don’t let the swim hold you back!

Races Offered

Sprint Triathlon

Aug 15, 2026

straighten

Distance — Sprint Triathlon

terrain

Type — —

timer

09:00

sell

$75.00

Triathlon Relay Team

Aug 15, 2026

straighten

Distance — Triathlon Relay Team

terrain

Type — —

timer

09:00

sell

$165.00

Weather History

These values represent the 3-year monthly averages for August in Fremont.

thermostat Temperature

15.7° / 26.0°

wb_sunny Feels like

15.2° / 25.4°

light_mode Avg sunshine hours

11h 36m

water_drop Avg rainfall

3.2 mm

ac_unit Avg snowfall

—

air Avg wind speed

10.2 km/h (Light breeze)

opacity Sweat loss rate

High

terrain Course conditions

Hard and dry surface

sunny Max UV Index

High (7.0)

humidity_mid Humidity

72.1%

wb_twilight Sunrise

06:49

nightlight Sunset

20:44

About Fremont

Learn more about the host city, Fremont.

Fremont is a suburban city in the southern part of the East Bay of the San Francisco Bay Area; it is the 4th largest city in the Bay Area by population. Fremont is in the southern part of Alameda County, California, between Union City to the north, Sunol and the hills to the east, Milpitas and Santa Clara County to the south, and the San Francisco Bay to the west. The city of Newark, near the edge of the Bay, is surrounded by the city of Fremont.