Races

Sulphur Springs

CanadaMay

Cypress Hills, Saskatchewan. Sulphur Springs hundred k. Prairie coulees. May wind.

62 mi18 hours436 ft to 909 fttech 5/106 stationsCypress HillsSaskatchewanWSER qualifierMay

Distances

Distance62 mi
Altitude436 ft to 909 ft
Technicality5/10
Air35°F to 75°F
Gradient profileOfficial race GPX
  • Start833 ft
  • High896 ft
  • Low452 ft
  • Finish837 ft
Aid stations6 stops verified
  1. Canada at mile 0.0
  2. Sulphur Springs mile 12 at mile 12, cutoff 3.6 hours
  3. Sulphur Springs mile 25 at mile 25, cutoff 7.2 hours
  4. Sulphur Springs mile 37 at mile 37, cutoff 10.799999999999999 hours
  5. Sulphur Springs mile 50 at mile 50, cutoff 14.4 hours
  6. Finish Canada at mile 62, cutoff 18 hours

Geometrycourse math

Steepest drop285 ft-2.9% over 1.9 mi
Night miles12 misunset near 20:00 local

The cruxCypress Hills coulee climbs in May wind (near mile 40)

Course DNA

The Course

Sulphur Springs runs 100 km through Canada. Surfaces skew 80% trail / 20% dirt road. Cypress Hills coulee climbs in May wind. High point near 909 ft. Low near 436 ft. May temps run 35°F to 75°F. The course rewards patience early and punishes rushed descents after mile 31.

The Work

Train for the climbing across 100 km. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 18 hours total means limited margin: rehearse fueling every 45 to 60 minutes and downhill eccentric work weekly. Technicality 5/10. Build a block that simulates the crux near mile 40.

Kit

May in Canada: plan for 35°F to 75°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 18 hours pushes past dark. Poles help on sustained climbs above mile 16. Vest capacity for 2 liters minimum. Shoes matched to 80% trail: lugs for mud, rock plate if the course turns technical after mile 31.

Race Day

Hold effort through mile 16. The field often splits on the first big climb after mile 31. Cypress Hills coulee climbs in May wind near mile 40 is where time is won or lost. Walk the steep pinches. Run the flats and gentle downhills. Crew at major aids: socks, calories, ice if hot. Transitions under 5 minutes when possible. Final third is 21 miles of fatigue management. Finish with reserve for the last descent.

Results

Sulphur Springs finish lines.

Sulphur Springs

100KHamilton

Sulphur Springs