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Lean Horse Ultra-Marathon 50 Mile

Lean Horse Ultra-Marathon 50 Mile 2026

15.08.2026Custer (United States)
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Pacing, fueling and crew sheet for the course you pick

2’2007’218 m D+ ft D+

160.9 km100 mi100milongest of 4 courses

At a glance

Lean Horse Ultra-Marathon 50 Mile 2026 took place on Saturday 15 August 2026 in Custer (South Dakota, United States). Three distances to choose from: 48.3, 80.5 and 160.9 km.

Longest course: 160.9 km with 2’200 m D+ (14 m per km: runnable terrain).

The 2027 edition takes place on Friday 30 July 2027. On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

The Lean Horse Ultra Marathon, held on the Mickelson Trail in the Black Hills of South Dakota, features the following events: 100 Mile, 100 Mile Relay, 50 Mile, 30 Mile, 20 Mile, and 30 Mile Black…
From the organiser

4 courses

  1. 48.3km30mi

    787 m D+2’582 ft D+

    avg 2%

    30 Mile
    No index
  2. 48.3km30mi

    787 m D+2’582 ft D+

    avg 2%

    30 Mile Black Hills CrossFit Edition
    No index
  3. 80.5km50mi

    996 m D+3’268 ft D+

    avg 1%

    50mi

    15.08.

    No index
  4. 160.9km100mi

    2’200 m D+7’218 ft D+

    avg 1%

    100mi

    15.08.

    No index

GPX trace not yet published.

Race plan

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Pacing, aid stations and fueling timed to your effort on Lean Horse Ultra-Marathon 50 Mile, in one roadbook.

Start

Custer (United States)

Where to stay

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