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Arc of Attrition by UTMB - Arc 50 Pacing Calculator
Real GPS-verified course data for Arc of Attrition by UTMB - Arc 50.
Distance
80.3 km
80km
Total climb
1608m
official D+
Total descent
1540m
official D−
High / low
114m
low 3m
50m100m
0km20km40km60km80km80.3km
Your goal
Goal type
:
hrsmin
Pacing strategy
Constant effort start to finish.
Pacing splits · Even effort
| Section | Length | Target pace | VAM | Vert | GAP | Elapsed |
|---|---|---|---|---|---|---|
| 0m–8.9km | 8.9km | 7:15/km | 30m/hr | +32m | 6:38/km | 1:04:26 |
| 8.9km–10.3km | 1.4km | 6:31/km | — | −29m | 6:38/km | 1:13:22 |
| 10.3km–14.2km | 4.0km | 7:07/km | 68m/hr | +32m | 6:38/km | 1:41:36 |
| 14.2km–15.6km | 1.4km | 6:05/km | — | −43m | 6:38/km | 1:49:53 |
| 15.6km–31.4km | 15.8km | 7:12/km | 40m/hr | +76m | 6:38/km | 3:43:46 |
| 31.4km–33.1km | 1.7km | 6:12/km | — | −40m | 6:38/km | 3:54:19 |
| 33.1km–49.9km | 16.9km | 6:59/km | — | −30m | 6:38/km | 5:52:17 |
| 49.9km–56.8km | 6.9km | 6:44/km | 10m/hr | +8m | 6:38/km | 6:38:50 |
| 56.8km–71.7km | 14.9km | 6:49/km | 20m/hr | +34m | 6:38/km | 8:20:26 |
| 71.7km–73.1km | 1.4km | 5:42/km | — | −58m | 6:38/km | 8:28:33 |
| 73.1km–75.6km | 2.4km | 7:52/km | 189m/hr | +60m | 6:38/km | 8:47:40 |
| 75.6km–80.3km | 4.7km | 7:16/km | 30m/hr | +17m | 6:38/km | 9:22:00 |
GAP is grade-adjusted pace, the flat-equivalent pace for the effort. On an even-effort plan it stays roughly constant while your actual target pace rises on climbs and falls on descents. Switch to “By terrain” to pace the course by its climbs and descents.