Pigtails Challenge

Renton, United States • 24-25 May 2025

The Pigtails Challenge is an endurance running event held at Lake Youngs Watershed in Renton, Washington. The race features a rolling 9.4-mile loop with 900 feet of elevation gain per lap, offering challenging vertical climbs without technical mountain terrain. Distances range from 50K to ultra distances of 100K, 100 miles, 150 miles, and 200 miles, with longer races requiring some unsupported mileage before joining the loop course.

The event is well-supported with aid stations, food, and a festive atmosphere honoring the tradition of a fun, party-like race. It welcomes pacers and crews, and emphasizes trail sharing with other users. The race tests both physical endurance and mental perseverance. Visit the organization's website for the most recent information.

Race information

200 mi
900 m+
200 Mile
150 mi
900 m+
150 Mile
100 mi
900 m+
100 Miler
100 km
900 m+
100k
50 km
900 m+
50k
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..

The 4th Annual Fall Classic takes place on Saturday October 11, 2025, at PLU Meadows Disc Golf Course, 754 124th St S, Tacoma, WA 98444. The race offers 1K Kids run and a 5K for participants, with youth and high school cross country races f..

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.

Event overview The Orca Recovery Day 5K Trail Run is the 3rd annual Orca Recovery and Salmon Restoration event. It takes place on October 11, 2025, at Clark's Creek Park South, 1710 12th Ave SW, Puyallup, WA 98371. The event combines a trai..

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..