DateExpected
Mid August 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Dunnville Memorial Arena & Community Lifespan Centre, Dunnville, Ontario
Dunnville, Haldimand County
Countdown
August
A flat Sunday century, with only 57 m of climbing over 100 km. A great first hundred if you want the distance without the grind.
Key facts
01Helmets are required for all riders
02Riders 16 and under must ride with an adult registrant
03Everyone signs a waiver; under 18s need a parent or guardian signature
Create a free training plan for the Dunnville Grand Tour 100 km
7-day free trial, no card required
The course
The route
Dunnville
Distance100km
Total climb57m
StartElevation
0 kmDrag map to rotate99.2 km
Weather
Mid-August, Dunnville
26°CTypical high
19°CTypical low
13°CColdest in 20 years
53%Days with rain
Highs around 26°C and lows around 19°C, but it has dropped to 13°C. Rain on 53% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
Training
Training for the Dunnville Grand Tour 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 Dunnville Grand Tour 100 km plan targets
Typical sessions
100 km with 57 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 Dunnville Grand Tour 100 km plan.
7-day free trial, no card required.
Other races at Dunnville Grand Tour
More events in August in Canada
Bluewater International GranfondoExpected Early August 2027 · Bright's Grove→Glengarry Games Gravel RunExpected Early August 2027 · Maxville→Big Red Gravel RunExpected Early August 2027 · Grenville-sur-la-Rouge→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→
