Arc of Attrition by UTMB
50K

Arc 50K

Sunday, January 24, 2027 at 9:00 AM · Harlyn Bay

Route
Profile

TERRAIN — 50°32′N · 5°00′W

Under your feet

Surface

Way type

TrailSight+

Unlock the full picture of this course

Get the climbs, the descents, the effort split, the longest stretch without aid — every metric a trail runner needs to plan a race.

  • Top climbs, average and max gradients
  • Longest and steepest descents
  • Effort split by thirds and hardest km
  • Longest stretch without aid and spacing stats
  • Runnable sections and terrain mix
TrailSight+

Build your race plan with the roadbook

Set a target time or a cut-off margin and get the passage time at every checkpoint, with adjustable aid-station stops and shareable links.

  • Target finish time or margin on every cut-off
  • Aware of every aid station's cut-off
  • Pace adjusted by slope and fatigue
  • Editable pause per aid station
  • Shareable link for crew & pacers
Segments

Start / Harlyn Bay

Sun 09:00
Sun 09:30
Distance 0.0 km
Altitude 7 m
D+ 0 m
D- 0 m
17.7 km 346 m 348 m
21.21 km/h (2:50/km) 6.67 km/h (8:60/km)

Mawgan Porth

Sun 09:50
Sun 12:09
Distance 17.7 km
Altitude 5 m
D+ 346 m
D- 348 m
6.8 km 186 m 187 m
17.86 km/h (3:22/km) 5.48 km/h (10:57/km)

Porth

Sun 10:13
Sun 13:24
Distance 24.5 km
Altitude 5 m
D+ 532 m
D- 535 m
12.5 km 131 m 132 m
20.33 km/h (2:57/km) 6.37 km/h (9:25/km)

Holywell Bay

Sun 10:50
Sun 15:22
Distance 37.1 km
Altitude 6 m
D+ 664 m
D- 667 m
12.0 km 254 m 159 m
17.94 km/h (3:21/km) 5.60 km/h (10:43/km)

Perranporth Airfield

Sun 11:30
Sun 17:30
Sun 17:30
Distance 49.0 km
Altitude 101 m
D+ 920 m
D- 826 m

Comments 0

No comment yet. Ask the first question.

No TrailSight runner yet

Heading to this race?

Get the GPX track, elevation profile and aid stations on your watch.

Login required

Log in to access this feature.

  Login
TrailSight+

Unlock GPX Export

Get the full GPX track with waypoints, aid stations and elevation data.

  Get TrailSight+

€4.99/month

Get this GPX track

Buy permanent access to this race's GPX track and waypoints.

or
  Get unlimited with TrailSight+

Export

Arc 50K