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Arc 20K

Follow Arc 20K 2027 live on Livebib: the course on the map, a live position and real-time ETAs. One link, free to watch, nothing to install.

Perranporth Airfield → Finish / Perranporth Airfield

Distance
22.1 km
Ascent
+744 m
Stations
3
Time limit
≤ 4 h
Start
11:00 AMSun, Jan 24
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The course

On the map

Arc 20K 2027Open the full-resolution map

The roadbook

Stations

Every station on the course. Life bases carry a barrier clock in race-local time.

  1. Perranporth Airfield

    22.1 km to Finish / Perranporth Airfield

    0 km101 m

    1. Porthtowan9.69Sun 01:00 PM
    2. Finish / Perranporth Airfield22.1101Sun 03:30 PM

Course data verified September 18, 2026