Races

Olympic Mountains 100k

WashingtonAugust

Olympic Peninsula. Rain forest to high divide. Fourteen thousand feet. August mist on the ridges.

62 mi+1,191 ft-1,243 ft21 hours30 ft to 265 fttech 5/10Checkpoints per race booknew WSER qualifierOlympic NPWSER qualifierAugust
Distance62 mi
Gain+1,191 ft
Loss-1,243 ft
Altitude30 ft to 265 ft
Technicality5/10
Air40°F to 75°F
Gradient profileOfficial race GPX
  • Start135 ft
  • High265 ft
  • Low30 ft
  • Finish82 ft

Field, 2026 · 4-year samplescraped

Starters115
Finish rate72%
Median16:47
Sub-2483

Geometryderived

Steepest drop203 ft-1.8% over 2.2 mi
Night miles16 misunset near 19:00 local

Course records

Men2:28:40Nathanael Bate2023 scraped
Women3:02:05Stephanie Malkowski2023 scraped

The cruxHigh Divide traverse in Olympic rain forest (near mile 40)

Course DNA

The Course

Olympic Mountains 100k runs 100 km through Washington. +1,191 ft gain and -1,243 ft loss. Surfaces skew 90% trail / 10% forest road. High Divide traverse in Olympic rain forest. High point near 265 ft. Low near 30 ft. August temps run 40°F to 75°F. The course rewards patience early and punishes rushed descents after mile 31.

The Work

Train for 1,191 feet of climbing across 100 km. Back-to-back long runs on trail. Practice power-hiking grades above 15 percent. 21 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

August in Washington: plan for 40°F to 75°F. Mandatory shell if rain is in forecast. Headlamp with spare batteries if 21 hours pushes past dark. Poles help on sustained climbs above mile 16. Vest capacity for 2 liters minimum. Shoes matched to 90% 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. High Divide traverse in Olympic rain forest 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

Olympic Mountains 100k finish lines.

Olympic Mountains 100k

100KQuilcene

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Train for Olympic Mountains 100k

Course-specific plan, fuel segments, gear kit, and race morning for Olympic Mountains 100k.

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Olympic Mountains 100k

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