Lake Tye Challenge

Monroe, United States • 7 Jun 2025

The Lake Tye Challenge is an ultramarathon held in Monroe, Washington, featuring 12-hour, 6-hour, and 3-hour timed races on a 1.75-mile loop trail around Lake Tye. Participants run as many laps as possible within their chosen time frame, with results based on total completed laps. The flat, clockwise course offers a full aid station at the start/finish area, providing water, electrolyte drinks, and energy-rich food. Runners have access to a grassy lawn for drop bags and can cool off at the nearby beach. The event supports the Wild Sky Community Trails Association, promoting non-motorized trail preservation in the Skykomish River Valley. Visit the organization's website for the most recent information.

Race information

12 km
12-Hour Run
6 km
6-Hour Run
3 km
3-Hour Run
Visit the organization's website for the most recent information.
Trail runs nearby

Middle Fork Trail Run, held near North Bend, Washington, starts at the Middle Fork Trailhead and takes participants onto the Middle Fork, CCC, and Snoqualmie Lake trails. Runners choose from four distances: 50k, 22-mile, Half Marathon, and..

North Bend Trail Fest Oct 11 and 12, 2025 packs Mt Si VK, the Skyline 30k championship and Little Si 10k into a weekend of steep trails and big views. Race for vert, community and festival fun.

North Bend Trail Fest in the Snoqualmie Valley is a two day celebration of mountain adventure featuring a Vertical Kilometer, Skyline 30k and Little Si 10k. Join an outdoor expo, clinics and family friendly activities.

UTMB Index

Event overview Run With The Kokanee is scheduled for Saturday, October 18, 2025, at Lake Sammamish State Park in Issaquah, WA. The event offers the following distances: 5k 10k (two laps of the 5k loop) Entry fees vary by registration peri..

The West Seattle Monster Dash is an annual costumed 5K trail run/walk held at Lincoln Park in Seattle, WA. The 14th edition takes place in October 2025 and features a 5K Run/Walk, a Kids Monster Dash for children 12 and under, and a "Just a..

Get ready for the 19th annual Carkeek 12 hour and 6 hour at Seattle's Carkeek Park on Oct 25. Tackle a punchy 1.93 mile loop with plenty of stairs, enjoy festive Halloween costumes and support trails with every lap.