Races

Kettle Moraine

WisconsinJune

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

100 mi+1,093 ft-1,080 ft30 hours988 ft to 1,051 fttech 5/10Checkpoints per race bookIce Age TrailWSER qualifierJuneWSER qualifierHardrock qualifier
Distance100 mi
Gain+1,093 ft
Loss-1,080 ft
Altitude988 ft to 1,051 ft
Technicality5/10
Air45°F to 90°F
Gradient profileOfficial race GPX
  • Start1,014 ft
  • High1,051 ft
  • Low988 ft
  • Finish1,027 ft

Field, 2026 · 26-year samplescraped

Starters149
Finish rate75%
Median27:45
Sub-2422

Geometryderived

Steepest drop52 ft-0.5% over 2.1 mi
Night miles31 misunset near 20:00 local

Course records

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

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

Course DNA

The Course

Kettle Moraine runs 100 mi through Wisconsin. +1,093 ft gain and -1,080 ft loss. Surfaces skew 80% trail / 20% dirt road. Ice Age Trail sections in June humidity. High point near 1,051 ft. Low near 988 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 1,093 feet of 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