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UltraUnited StatesPennsylvania

Boulder Field 1002027

11.09.2027Jim Thorpe (United States)Dates to be confirmed
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3 courses · 29–160.9 km · up to 2’438 m D+

3 courses

  1. 29km

    18 Miler
    No index

  2. 80.5km

    1’219 m D+

    1’007 m D-

    avg 2%

    50K
    No index
    GPX

  3. 160.9km

    2’438 m D+

    avg 2%

    100K
    No index

Course analysis

50K80.5 km1’219 m D+

93effort kmⓘ80.5 km on the map · feels like 93 km
D+
1’219 m
D−
1’007 m
Max alt.
156 m
Steepest
10%

Segments

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Elevation profile: 50K

75 m — 156 m

Feels like these

Race plan

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Pacing, aid stations and fueling timed to your effort on Boulder Field 100, in one roadbook.

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The race

An advanced difficulty challenge featuring a historic boulder field crossing and the rugged "Shades of Death" trail. Designed for the properly trained runner looking to elevate their game.

Where to stay

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