DateExpected
Late September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Century School, 501 Helten Avenue, Park Rapids, Minnesota
Park Rapids, Hubbard County
Countdown
September
The full 100 miles, and a flat one: only 370 m of climbing over 161 km. The challenge is time in the saddle, not hills.
Key facts
01Helmet required
02Untimed, start any time (leaving by 09:00 is encouraged)
03Event window runs 08:00 to 17:00, so plan a long day
Create a free training plan for the Headwaters 100 161 km
7-day free trial, no card required
The course
The route
Park Rapids
Distance161km
Total climb370m
StartElevation
0 kmDrag map to rotate159.6 km
Weather
Late-September, Park Rapids
20°CTypical high
8°CTypical low
-2°CColdest in 20 years
32%Days with rain
Highs around 20°C and lows around 8°C, but it has dropped to -2°C. Rain on 32% of days. Pack for the cold end, not the average.
NASA POWER data, 2006-2025, the week either side of race day
Organiser
OrganiserItascatur Outdoor Activity Club (Itascatur Ski-Bike-Run Club)
Websiteitascatur.org
Instagram@itascatur
Running since1980
Training
Training for the Headwaters 100 161 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 Headwaters 100 161 km plan targets
Typical sessions
161 km with 370 m of climbing
Endurance and fatigue resistance over the full distance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long endurance rides building toward the full distance
Threshold and sweet-spot work for sustained power
Group rides for drafting and bunch-riding skills
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 Headwaters 100 161 km plan.
7-day free trial, no card required.
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