Lake Wilderness Triathlon 2026

About the Event

Athletes will start their day in the calm waters of Lake Wilderness, continue on the bike with rolling hills and back country roads, and finish with a run along the trail with beautiful views of Mount Rainer and Lake Wilderness.

Everything you need to know is listed on the website along with an email before the event with extra details.

Races Offered

Duathlon-Sprint or Olympic - Individual Age group/open

Jun 06, 2026

straighten

Distance — 40km 15km

terrain

Type — Multisports

timer

14:00

sell

$125.00

Olympic Relay - Group-registration team Age group/open

Jun 06, 2026

straighten

Distance — 1.5km 40km 10km

terrain

Type — Multisports

timer

14:00

sell

$50.00

Triathlon-Olympic - Individual Age group/open

Jun 06, 2026

straighten

Distance — 1.5km 40km 10km

terrain

Type — Multisports

timer

14:00

sell

$125.00

Triathlon-Sprint - Individual Age group/open

Jun 06, 2026

straighten

Distance — 0.75km 20km 5km

terrain

Type — Multisports

timer

14:00

sell

$125.00

Triathlon-Sprint Relay - Group-registration team Age group/open

Jun 06, 2026

straighten

Distance — 0.75km 20km 5km

terrain

Type — Multisports

timer

14:00

sell

$50.00

Weather History

These values represent the 3-year monthly averages for June in Maple Valley.

thermostat Temperature

9.5° / 20.3°

wb_sunny Feels like

7.6° / 18.6°

light_mode Avg sunshine hours

11h 28m

water_drop Avg rainfall

2.1 mm

ac_unit Avg snowfall

—

air Avg wind speed

8.0 km/h (Light breeze)

opacity Sweat loss rate

Low

terrain Course conditions

Firm and slightly soft

sunny Max UV Index

Moderate (5.6)

humidity_mid Humidity

73.1%

wb_twilight Sunrise

05:11

nightlight Sunset

21:05

About Maple Valley

Learn more about the host city, Maple Valley.

Maple Valley is a city in King County, Washington, United States. The population was 28,013 at the 2020 census, and was estimated to be 28,553 in 2024. The city functions as a commuter town to Seattle for residents, though there is an increasing amount of commercial activity in the area.