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Sulphur Springs Trail Race
UltraCanadaOntario

Sulphur Springs Trail Race2027

30.05 – 31.05.2027Ancaster (Canada)Dates to be confirmed
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Pacing, fueling and crew sheet for the course you pick

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5 courses · 20–160 km · up to 4’000 m D+

5 courses

  1. 20km

    500 m D+

    avg 3%

    Sulphur Springs Trail Race 20k

    31.05.

    UTMB Index 20K

  2. 50km

    1’500 m D+

    avg 3%

    Sulphur Springs Trail Race 50k
    UTMB Index 50K

  3. 80.4km

    2’000 m D+

    avg 2%

    Sulphur Springs Trail Race 50 Mile
    UTMB Index 50K

  4. 100km

    2’500 m D+

    avg 3%

    Sulphur Springs Trail Race 100k
    UTMB Index 100K

  5. 160km

    4’000 m D+

    avg 3%

    Sulphur Springs Trail Race 100 Mile
    UTMB Index 100M

GPX trace not yet published.

Race plan

Plan your race from start to finish.

Pacing, aid stations and fueling timed to your effort on Sulphur Springs Trail Race, in one roadbook.

Build your race plan →

The race

Canada's oldest Ultra trail event, held in the Dundas Valley Conservation Area of Ancaster, Ontario, featuring looping courses through a Carolinian forest.

Where to stay

Find a place to stay near Ancaster for the race.

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