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UltraUnited StatesConnecticut

CT123 (200K) 2027

03.04 – 05.04.2026Thompson, CT (United States)Dates to be confirmed
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2 courses · 100–200 km62.1–124.3 mi

At a glance

CT123 (200K) 2027 is expected from Saturday 3 April 2027 to Sunday 5 April 2026 in Thompson, CT (Connecticut, United States), date to be confirmed by the organiser. Two distances to choose from: 100 and 200 km.

The organiser has not published the elevation gain or the route yet.

On Kliva, plan your pacing and nutrition for free, then send the plan to your watch.

A diagonal, 123 mile run through the 3rd smallest state. With a 36 hour cutoff, the course travels across trail and Road in a major test of endurance and mental strength.
From the organiser

2 courses

  1. 100km62.1mi

    Solo 100k
    No index

  2. 200km124.3mi

    Solo 200k
    No index

GPX trace not yet published.

Race plan

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Pacing, aid stations and fueling timed to your effort on CT123 (200K), in one roadbook.

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Start

Thompson, CT (United States)

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Where to stay

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