DateExpected
Early September 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Cannon Valley Fairgrounds, 800 Ninth St N, Cannon Falls, Minnesota 55009
Cannon Falls, Goodhue County
Countdown
September
The big one: 222 miles of gravel that starts at 21:00 on Saturday night. You ride through the dark and keep going into Sunday.
Key facts
01Night start on Saturday, so bring lights and plan for the dark
02Aid stations at miles 62, 108 and 168, with long gaps between
0319:00 Sunday cut-off
Create a free training plan for the Gray Duck Grit 357 km
7-day free trial, no card required
The course
The route
Cannon Falls
Distance357km
Total climb3,901m
StartElevation
0 kmDrag map to rotate328.0 km
Weather
Early-September, Cannon Falls
25°CTypical high
13°CTypical low
4°CColdest in 20 years
31%Days with rain
Highs around 25°C and lows around 13°C, but it has dropped to 4°C. Rain on 31% of days.
NASA POWER data, 2006-2025, the week either side of race day
2024 results
Who finishes, and how
#RiderTimeAvg speed
01Nicholas Van Dyke15:41:58.822.8 km/h
02Andy Boone17:50:56.220.0 km/h
03William Edmonds19:22:36.718.4 km/h
3
Finishers
17:50:56
Median time
20.0 km/h
Median speed
Overall · 2024 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Gray Duck Grit 357 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 Gray Duck Grit 357 km plan targets
Typical sessions
357 km with 3,901 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 Gray Duck Grit 357 km plan.
7-day free trial, no card required.
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