Date
Sat, 29 May 2027
Start
09:00
Venue
108 Martin Road, Ancaster, Ontario
Hamilton, Ontario
Countdown
May
Fifty miles as four laps of one 20 km loop. A proper ultra without the all-day commitment, and a fair step up if you've done a 50K.
Key facts
01Four 20 km laps, about 520 m of climbing on each
02Team entries are ranked separately
Create a free training plan for the Sulphur Springs Trail Race 80 km
7-day free trial, no card required
The course
One lap, on repeat
Hamilton · one lap
Distance80km
Total climb520m
Start · finishOne lap · elevation
0 kmDrag map to rotate19.5 km
Weather
Late-May, Hamilton
23°CTypical high
12°CTypical low
1°CColdest in 20 years
48%Days with rain
Highs around 23°C and lows around 12°C, but it has dropped to 1°C. Rain on 48% of days.
NASA POWER data, 2006-2025, the week either side of race day
2024 results
Who finishes, and how
#RiderTimeAvg speed
01Rina Atienza04:55:2416.3 km/h
02Julie Hamulecki07:08:0311.3 km/h
03Maegen Guse08:26:419.5 km/h
18
Women finishers
11:48:53
Median time
6.8 km/h
Median speed
Women · 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 Sulphur Springs Trail Race 80 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 Sulphur Springs Trail Race 80 km plan targets
Typical sessions
80 km with 520 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
Back-to-back weekend runs for fatigue resistance
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 Sulphur Springs Trail Race 80 km plan.
7-day free trial, no card required.
Other races at Sulphur Springs Trail Race
More events in May in Canada
Grand Prix of Grand BeachExpected Early May 2027 · Grand Marais→Hillbilly HustleExpected Mid May 2027 · Nanaimo→Classique CTB (Course Trail Bière)Expected Late May 2027 · Bromont→Rompin' RockwoodSat, 22 May 2027 · City of Saint John→Trail du Coureur des Bois de DuchesnaySun, 23 May 2027 · Sainte-Catherine-de-la-Jacques-Cartier→Great Mansfield OutdoorsSat, 29 May 2027 · Mansfield→
