DateExpected
Late April 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Portage Lake Campground, Waterloo Recreation Area, Grass Lake, Michigan
Chelsea, Jackson County
Countdown
April
The full 100 km, ridden as one big loop with two aid stations. Under 1,000 m of climbing, so the challenge is distance, not hills.
Key facts
01Minimum age 13
02Course closes at 14:30
03Two aid stations on the loop
Create a free training plan for the Waterloo G+G Gravel Bike Race 100 km
7-day free trial, no card required
The course
One lap, on repeat
Chelsea · one lap
Distance100km
Total climb933m
Start · finishOne lap · elevation
0 kmDrag map to rotate18.3 km
Weather
Late-April, Chelsea
16°CTypical high
3°CTypical low
-6°CColdest in 20 years
40%Days with rain
Highs around 16°C and lows around 3°C, but it has dropped to -6°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
OrganiserBoundless Race & Ride Company
Websiteboundlessrr.co
Instagram@waterloogravel
Running since2018
Training
Training for the Waterloo G+G Gravel Bike Race 100 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 Waterloo G+G Gravel Bike Race 100 km plan targets
Typical sessions
100 km with 933 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 Waterloo G+G Gravel Bike Race 100 km plan.
7-day free trial, no card required.
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