DateExpected
Early August 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Mike Weir Park, Bright's Grove, Sarnia, Ontario
Bright's Grove, Lambton County
Countdown
August
A flat, fast century with three timed sections. It's the one that draws the biggest field, including the first-responder championship.
Key facts
01Three timed sections
025.5-hour maximum
03First-responder class is for active or retired police, fire, paramedic and border security
Create a free training plan for the Bluewater International Granfondo 101 km
7-day free trial, no card required
The course
The route
Bright's Grove
Distance101km
Total climb338m
StartElevation
0 kmDrag map to rotate100.2 km
Weather
Early-August, Bright's Grove
26°CTypical high
18°CTypical low
11°CColdest in 20 years
52%Days with rain
Highs around 26°C and lows around 18°C, but it has dropped to 11°C. Rain on 52% of days.
NASA POWER data, 2006-2025, the week either side of race day
2025 results
Who finishes, and how
#RiderTimeAvg speed
01Laura Drope00:28:51209.6 km/h
02Maria Teresa Gonzalez Coubert00:30:29198.4 km/h
03Kate Schieman00:31:55189.5 km/h
59
Women finishers
0:40:35
Median time
149.0 km/h
Median speed
Women · 2025 results, as published by the organiser.
How fast could you finish?
Get a prediction based on your recent training
Organiser
Training
Training for the Bluewater International Granfondo 101 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 Bluewater International Granfondo 101 km plan targets
Typical sessions
101 km with 338 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 Bluewater International Granfondo 101 km plan.
7-day free trial, no card required.
Other races at Bluewater International Granfondo
More events in August in Canada
Glengarry Games Gravel RunExpected Early August 2027 · Maxville→Grand River Gravel RideExpected Early August 2027 · Centre Wellington→Iron Legs 50 MilerSat, 7 Aug 2027 · Alberta→Iron Legs Mountain RacesSat, 7 Aug 2027 · Alberta→Ultra-Trail du Fjord du SaguenaySat, 7 Aug 2027 · L'Anse-Saint-Jean→Race Across QuébecExpected Mid August 2027 · Starts vary by distance: Bromont for 2500 km→
