Logo

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.

United States Washington Renton

Race information

Website
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

Mount Rainier Half Marathon

Enumclaw - 21 mi from Renton

The Mount Rainier Half Marathon & Trail Events take place at Crystal Mountain Resort near Enumclaw, Washington, in the Cascade Range. This scenic race offers a half marathon along with 5K and 10K options, featuring a mix of dirt trails through towering evergreen forests, alpine meadows, and ridgelin..

Summer Eddy Trail Run

Kenmore - 19 mi from Renton

The Summer Eddy Trail Run, part of the Tuesday Night Trail to Grill series, takes place at St. Edward State Park in Kenmore, Washington. Offering 4-mile and 8-mile distances, the course features a mix of wide trails and twisting single track with swooping turns, moderate roots, and rocks, providing..

Dirt Circus - Seattle

Downtown Seattle - 10 mi from Renton

Dirt Circus - Seattle is a free community trail running event held in Seattle, Washington, celebrating local races, run clubs, and running culture. Organized by UltraSignup, this one-day festival features a social group run with options for a 4-mile or 6.5-mile route, followed by a lively expo at Se..

Cougar Mountain Trail Run Series #4

Newcastle - 4 mi from Renton

The Cougar Mountain Trail Run Series #4 takes place on August 9, 2025, at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, just 15 minutes from Seattle. This event offers three race distances: 5k, 14.5 miles, and a full marathon of 26.2 miles. The course features a vari..

Twilight at the Bay

Tacoma - 19 mi from Renton

Twilight at the Bay is a scenic running event held at Chambers Bay Loop Trail in University Place, Washington. Participants can choose from a half marathon, 10k, or 5k race, each featuring loops on a wide, paved trail with a mix of flat sections, inclines, and switchbacks. The course offers breathta..

Paradise Valley Trail Run

Woodinville - 19 mi from Renton

The Paradise Valley Trail Run, held at Paradise Valley Conservation Area in Woodinville, Washington, offers 5k, 10k, and half marathon distances on gently rolling trails. The course features a mix of wide promenades and narrow, winding paths through wetland cedar groves and gentle ridges, providing..