82.7 kmTrail🇬🇧 Land's End, United Kingdom

Arc of Attrition 100K

Saturday, 23 January 2027In 3 months · Start 10:00

Official site

Follows the rugged north Cornish coast path from Land's End through St Ives to Perranporth in January weather.

Something out of date? Suggest a correction · Organizer of this race?

Facts checked 10 Oct 2026 against arcofattrition.utmb.world, in.register-utmb.world.

Elevation gain

2,708 m

Mountain · ↓ 2,670 m

Start altitude

48 m

above sea level, from terrain data

Temp at start

8°C

Peaks around 9°C

Entry fee

≈ $315

Open entry

Finishers

—

typical year

Course

Point to point

16h cut-off

Getting thereFly into NQY (Newquay), about 66 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Mountain: about 2,708 m of climbing and 2,670 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start

8°C

Peak during race

9°C

Humidity

79%

Chance of rain

21%

Wind

26 km/h

Race day in past years

Historical averages for 23 January ±3 days, 2016–2025, from 10:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

Share this race

WhatsApp Facebook X Email

Organizing this race? Add it to your website

Show your runners the course facts and race-day weather. Paste this code into your site; it displays the badge below and links to this page. It updates automatically when the race details change.

<a href="https://irun42.com/race/arc-of-attrition-100k" title="Arc of Attrition 100K on iRun42"><img src="https://irun42.com/badge/arc-of-attrition-100k.svg" width="300" height="120" alt="Arc of Attrition 100K: course, elevation and race-day weather on iRun42" /></a>