Races

Kettle Moraine

WisconsinJune

Wisconsin Ice Age Trail. Kettle Moraine. Six thousand five hundred feet. June humidity on the moraine.

100 mi30 hours801 ft to 1,171 fttech 5/106 stationsIce Age TrailWSER qualifierJuneWSER qualifierHardrock qualifier
Distance100 mi
Altitude801 ft to 1,171 ft
Technicality5/10
Air45°F to 90°F
Gradient profileCalTopo course map
  • Start961 ft
  • High1,116 ft
  • Low809 ft
  • Finish958 ft
Aid stations6 stops verified
  1. Wisconsin at mile 0.0
  2. Kettle Moraine mile 20 at mile 20, cutoff 6 hours
  3. Kettle Moraine mile 40 at mile 40, cutoff 12 hours
  4. Kettle Moraine mile 60 at mile 60, cutoff 18 hours
  5. Kettle Moraine mile 80 at mile 80, cutoff 24 hours
  6. Finish Wisconsin at mile 100, cutoff 30 hours

Field, 2026 · 26-year sampleresults

Starters149
Finish rate75%
Median27:45
Sub-2422

Geometrycourse math

Steepest drop223 ft-2.1% over 2.0 mi
Night miles31 misunset near 20:00 local

Course records

Men14:15:22Reese Slobodianuk2025 results
Women16:58:18Michelle Magagna2022 results

The cruxIce Age Trail sections in June humidity (near mile 65)

Course DNA

The Course

Kettle Moraine runs 100 mi through Wisconsin. Surfaces skew 80% trail / 20% dirt road. Ice Age Trail sections in June humidity. High point near 1,171 ft. Low near 801 ft. June temps run 45°F to 90°F. The course rewards patience early and punishes rushed descents after mile 50.

The Work

Train for the climbing across 100 mi. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 30 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 65.

Kit

June in Wisconsin: plan for 45°F to 90°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 30 hours pushes past dark. Poles help on sustained climbs above mile 25. Vest capacity for 2 liters minimum. Shoes matched to 80% trail: lugs for mud, rock plate if the course turns technical after mile 50.

Race Day

Hold effort through mile 25. The field often splits on the first big climb after mile 50. Ice Age Trail sections in June humidity near mile 65 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 33 miles of fatigue management. Finish with reserve for the last descent.

Results

Kettle Moraine finish lines.

Sources (5)

Kettle Moraine