DateExpected
Late June 2027
Based on past editions. We'll confirm when the organiser announces.
Venue
Kinsmen Scout Hall, Niagara-on-the-Lake, Ontario
Niagara-on-the-Lake, Niagara Region
Countdown
June
A half marathon on a nearly flat out-and-back road, and the biggest field of the day. Friendly for a first half, and walkers have their own results too.
Key facts
01Run and walk have separate leaderboards, so pick your class
02Out-and-back course
03Results are also ranked by sex and age group
Create a free training plan for the Niagara Ultra 21 km
7-day free trial, no card required
The course
The route
Niagara-on-the-Lake
Distance21km
Total climb55m
StartElevation
0 kmDrag map to rotate21.1 km
Weather
Late-June, Niagara-on-the-Lake
24°CTypical high
17°CTypical low
11°CColdest in 20 years
49%Days with rain
Highs around 24°C and lows around 17°C, but it has dropped to 11°C. Rain on 49% of days.
NASA POWER data, 2006-2025, the week either side of race day
Results
Course verified. Results not yet available.
Organiser
OrganiserSt. Catharines Roadrunners & Walkers
Websiteniagaraultra.ca
Instagram@niagara_ultra
Running since1993
Training
Training for the Niagara Ultra 21 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 Niagara Ultra 21 km plan targets
Typical sessions
21 km with 55 m of climbing
Time on feet and fatigue resistance
Fuelling and pacing for the whole event
What your weeks look like
Typical sessions
Long runs that build time on your feet
Tempo and threshold sessions to hold race pace
Steady mileage with one or two quality days a week
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 Niagara Ultra 21 km plan.
7-day free trial, no card required.
More events in June in Canada
Défi vélo St-DonatExpected Early June 2027 · Saint-Donat→Gran Fondo JasperExpected Early June 2027 · Municipality of Jasper→GraveloozaExpected Early June 2027 · Brome→The Coaster MarathonSat, 5 Jun 2027 · Sechelt→The Coaster MarathonSat, 5 Jun 2027 · Sechelt→Medway Gravel RideExpected Early June 2027 · Annapolis County→
