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Jigger Johnson Ultras
UltraUnited StatesNew Hampshire

Jigger Johnson Ultras 2026

15.08 – 16.08.2026Waterville valley (United States)
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8’83928’999 m D+ ft D+

173.8 km108 mi100 Milelongest of 2 courses

At a glance

Jigger Johnson Ultras 2026 took place from Saturday 15 to Sunday 16 August 2026 in Waterville valley (New Hampshire, United States). Two distances to choose from: 32.2 and 173.8 km.

Longest course: 100 Mile, 173.8 km with 8’839 m D+ (51 m per km: mountain terrain). Terrain: 97% trail, 1% forest track and 1% road. Terrain data: © OpenStreetMap contributors.

The 2027 edition takes place on Friday 13 August 2027. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

One of the world's most grueling trail races, an epic journey across New Hampshire's legendary White Mountains, commencing and concluding amidst the stunning beauty of Waterville Valley.
From the organiser

2 courses

  1. 32.2km20mi

    20 Mile
    No index

  2. 173.8km108mi

    8’839 m D+28’999 ft D+

    1’441 m D-4’728 ft D-

    avg 5%

    100 Mile
    No index
    GPX

Course analysis

100 Mile173.8 km108 mi8’839 m D+28’999 ft D+

262effort kmⓘ173.8 km on the map · feels like 262 km108 mi on the map · feels like 262 km
D+
8’839 m28’999 ft
D−
1’441 m4’728 ft
Max alt.
1’044 m3’425 ft
Steepest
17%

Segments

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Elevation profile: 100 Mile

188 m – 1’044 m617 ft – 3’425 ft

Race plan

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