Lake Wilderness Triathlon is celebrating our 22nd year!! This event is scenic in all aspects of the race and has something for every level of participation. This is an excellent venue for a first time triathlete and the triathlete that's looking for some great competition. We have many first time triathletes and those that compete in Ironman.
The swim is in Lake Wilderness, you'll have a beautiful view of Mt. Rainier as you swim. The bike ride is along the rolling hills of Maple Valley and the surrounding area. The run is along the Lake Wilderness Trial. This trail is about 10 feet across and it's soft gravel. You'll have views of Mt. Rainer, lake wilderness and beautiful Cedar River. Everyone is welcome to join us on this great event
Lake Wilderness Run has beautiful trails to run along with views of Mount Rainer, Cedar River and Lake Wilderness.
Event Details and schedule:
Lake Wilderness park will open for competitors at 5:15am. If you're picking up your packet the day of the event you can pick up your packet from 5:15-6:30am.
Each participant must bring picture I.D. to pick up their packet . You many not pick up a packet for other participants.
Jun 05, 2027
Distance — 10K
Type — Running
07:00
$70.00
Jun 05, 2027
Distance — 5.5K
Type — Running
07:00
$55.00
Jun 05, 2027
Distance — Lake Wilderness Duathlon Olympic
Type — Running
07:00
$100.00
Jun 05, 2027
Distance — 5K Run 20K Bike 2.5K Run
Type — Running
07:00
$100.00
Jun 05, 2027
Distance — Lake Wilderness Olympic Relay Team
Type — Running
07:00
$60.00
Jun 05, 2027
Distance — 1.5K Swim 40K Bike 10K Run
Type — Running
07:00
$100.00
Jun 05, 2027
Distance — Lake Wilderness Sprint Relay Team
Type — Running
07:00
$60.00
Jun 05, 2027
Distance — 0.8K Swim 20K Bike 5K Run
Type — Running
07:00
$100.00
These values represent the 3-year monthly averages for June in 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.
Read more launchTours and activities near Maple Valley, powered by Viator.
Read what other athletes have to say about their experience at the Lake Wilderness Triathlon and Run.
Be the first to share your experience with the community!
Spotted an error or missing detail about the Lake Wilderness Triathlon and Run? Help us improve.
Explore other exciting events happening in this same region.
location_on Maple Valley, Washington, US
calendar_today Oct 03, 2026
location_on Maple Valley, Washington, US
calendar_today Nov 26, 2026
location_on Black Diamond, Washington, US
calendar_today Oct 28, 2026
Hand-picked events we think you’ll love.
Oct 03, 2026
Join us Saturday, October 3 at 10 AM for a 5K fun run and walk along the beautiful Columbia River This year includes a …
Read more
Oct 03, 2026
CROS MINISTRIES HUSTLE TO END HUNGER 5K October 3, 2026 | 7:30AM | John Prince Park, Lake Worth In-person run/walk | Vi…
Read more
Oct 03, 2026
Run, Walk, Bike, Rollerblade. Do it your way! Please Join us Saturday October 3, 2026 for our 6th Annual Pink Hugs 5K Y…
Read more
Oct 03, 2026
Join us for the second annual USATF-certified Sugar Loaf Run! Get ready to experience the beauty and charm of Sugar Loa…
Read more