Events/Driftless 100
160.9 km72.4 km

Driftless 100 161 km

GravelLoop
Date
Sat, 24 Apr 2027
Venue
Elkader City Park / Floral Hall, 707 S High St, Elkader, IA 52043
Elkader, Clayton County
Countdown
April

A full 100 miles of gravel with a built-in reality check: miss the noon cut at mile 38 and you're sent home on the shorter loop. Steady climbing, and you finish on a velodrome.

Key facts
01Rear blinker light required for 100-mile riders
02Mile 38 noon cutoff moves you to the 45-mile course
03No course signage, bring your own navigation
Create a free training plan for the Driftless 100 161 km
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The course

The route

Elkader
Distance161km
Total climb3,048m
StartElevation
0 kmDrag map to rotate160.7 km
Weather

Late-April, Elkader

16°CTypical high
3°CTypical low
-8°CColdest in 20 years
40%Days with rain

Highs around 16°C and lows around 3°C, but it has dropped to -8°C. Rain on 40% of days. Pack for the cold end, not the average.

NASA POWER data, 2006-2025, the week either side of race day
Results

Course verified. Results not yet available.

Organiser
OrganiserDriftless Gravel, LLC
Running since2020
Training

Training for the Driftless 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.

GarminWahooPolarHammerheadIntervals.icu
What a Driftless 100 161 km plan targets
Typical sessions
161 km with 3,048 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
Sustained climbing repeats on real gradients
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
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Get your Driftless 100 161 km plan.
7-day free trial, no card required.
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