DateExpected
Late May 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Lake Youngs Watershed, Renton, Washington
Renton, King County
Countdown
May
150 miles in two parts: a self-reliant first 50, then you roll into the 100-mile race on Saturday and run the rest alongside it.
Key facts
01First 50 miles are unsupported and completed independently
02Final 100 miles start with the 100-mile race on Saturday
03Course closes Sunday at 16:00
Create a free training plan for the Pigtails Challenge 241 km
7-day free trial, no card required
The course
One lap, on repeat
Renton · one lap
Distance241km
Start · finishOne lap · elevation
0 kmDrag map to rotate14.6 km
Weather
Late-May, Renton
17°CTypical high
9°CTypical low
4°CColdest in 20 years
43%Days with rain
Highs around 17°C and lows around 9°C, but it has dropped to 4°C. Rain on 43% of days.
NASA POWER data, 2006-2025, the week either side of race day
2026 results
Who finishes, and how
#RiderTimeAvg speed
01Amy Mower22:34:0310.7 km/h
02Jill Hudson28:51:438.4 km/h
03Lia Sterciuc28:51:448.4 km/h
4
Women finishers
1d 4:51:44
Median time
8.4 km/h
Median speed
Women · 2026 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
OrganiserNorthwest Endurance Events LLC
Running since2012
Training
Training for the Pigtails Challenge 241 km
We don't do generic plans. We combine deep knowledge of this race's demands with your recent training, then build a plan with you that progresses as you do.
Beina integrates directly with your existing tools to understand your current fitness, and synchronise your planned sessions.
Intervals.icuWhat a Pigtails Challenge 241 km plan targets
Typical sessions
241 km
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Back-to-back weekend runs for fatigue resistance
Not a generic schedule
Typical sessions
Built from your current fitness and the time you actually have
Adapts every week as Beina learns how you respond
Syncs your sessions straight to Garmin and Wahoo
One clear next session, never a wall of spreadsheet
Entries open now
Get your Pigtails Challenge 241 km plan.
7-day free trial, no card required.
Other races at Pigtails Challenge
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