calendar_today 23 May, 2026 – 24 May, 2026
directions_run Running
language Official Website
sell $75.00 – $155.00
The Pigtails Challenge is a high-endurance loop race held at the Lake Youngs Watershed in Renton, Washington. Taking place from May 23 to May 24, 2026, the course consists of rolling loops, each providing 900 feet of elevation gain. While the terrain is not considered mountain-technical, the cumulative elevation presents a significant physical and mental hurdle, particularly for those attempting the 100-mile, 150-mile, or 200-mile distances. The race is designed to test a runner's perseverance, as the loop format provides constant opportunities to stop, making it a true test of mental fortitude.
| Race Category | Total Elevation (Estimated) | Start Time | Time Limit |
|---|---|---|---|
| 200 Mile / 150 Mile | 18,000+ ft | Sat 06:00 AM* | Sun 04:00 PM |
| 100 Miler | 9,000 ft | Sat 06:00 AM | 34 Hours |
| 100 Kilometer | ~5,600 ft | Sat 06:00 AM | 34 Hours |
| 50 Kilometer | ~2,800 ft | Sun 06:00 AM | 10 Hours |
The Pigtails Challenge is particularly well-suited for runners looking to transition to longer distances due to its high level of logistical support. Participants can manage their own gear and nutrition at the start/finish area of each loop, reducing the need for complex crew support found in point-to-point mountain races.
Logistics and Participant Information:
By offering a range of distances from the accessible 50K to the daunting 200-miler, the Pigtails Challenge caters to both emerging trail runners and seasoned ultra-marathoners looking to test their limits.
May 23, 2026
Distance — 160.9K
Type — Running
06:00
$155.00
May 23, 2026
Distance — 100K
Type — Running
06:00
$125.00
May 23, 2026
Distance — 249.4K
Type — Running
06:00
$155.00
May 23, 2026
Distance — 321.8K
Type — Running
06:00
$155.00
May 24, 2026
Distance — 50K
Type — Running
06:00
$75.00
These values represent the 3-year monthly averages for May in Renton.
Learn more about the host city, Renton.
Renton is a city in King County, Washington south of Bellevue and north of Kent. It is a quiet suburb of Seattle at the base of Lake Washington. Renton is primarily known as the site of the Boeing 737 plant, where the popular commercial jetliner is built. Renton is also notable for being the resting place of rock legend Jimi Hendrix.
Read more launchWatch highlights and course previews from previous years.
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