← All races180-mile point-to-point trail ultra
King Offa's Dyke Race Pacing Calculator
180 miles along Offa's Dyke, from the cliffs at Chepstow to the sea at Prestatyn, inside 90 hours.
Distance
180 mi
290km
Total climb
8990m
official D+
Total descent
8990m
official D−
High / low
700m
low 5m
200m400m600m
0km50km100km150km200km250km289.7km
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–6.8km | 6.8km | 15:26/km | 86m/hr | +151m | 13:32/km | 1:45:42 |
| 6.8km–27.5km | 20.7km | 14:36/km | 13m/hr | +65m | 13:32/km | 6:47:36 |
| 27.5km–37.5km | 10.0km | 12:54/km | — | −201m | 13:32/km | 8:56:51 |
| 37.5km–54.9km | 17.3km | 14:37/km | 42m/hr | +179m | 13:32/km | 13:10:30 |
| 54.9km–64.3km | 9.5km | 16:42/km | 103m/hr | +271m | 13:32/km | 15:48:43 |
| 64.3km–75.4km | 11.1km | 15:14/km | 74m/hr | +209m | 13:32/km | 18:37:23 |
| 75.4km–84.2km | 8.8km | 9:53/km | — | −621m | 13:32/km | 20:04:37 |
| 84.2km–131.0km | 46.8km | 14:34/km | 8m/hr | +92m | 13:32/km | 31:26:37 |
| 131.0km–137.4km | 6.4km | 18:14/km | 126m/hr | +247m | 13:32/km | 33:23:53 |
| 137.4km–149.1km | 11.7km | 15:27/km | — | — | 13:32/km | 36:24:59 |
| 149.1km–154.2km | 5.1km | 11:52/km | — | −279m | 13:32/km | 37:25:30 |
| 154.2km–165.5km | 11.3km | 13:40/km | — | −15m | 13:32/km | 40:00:02 |
| 165.5km–172.7km | 7.1km | 17:09/km | 136m/hr | +277m | 13:32/km | 42:02:27 |
| 172.7km–197.1km | 24.4km | 13:15/km | — | −305m | 13:32/km | 47:26:01 |
| 197.1km–206.9km | 9.8km | 16:03/km | 85m/hr | +224m | 13:32/km | 50:03:22 |
| 206.9km–219.9km | 13.0km | 13:30/km | — | −211m | 13:32/km | 52:59:29 |
| 219.9km–226.4km | 6.5km | 16:02/km | 96m/hr | +167m | 13:32/km | 54:43:59 |
| 226.4km–237.3km | 10.9km | 15:26/km | 75m/hr | +211m | 13:32/km | 57:32:25 |
| 237.3km–242.4km | 5.1km | 10:56/km | — | −248m | 13:32/km | 58:27:53 |
| 242.4km–259.9km | 17.5km | 15:27/km | 35m/hr | +157m | 13:32/km | 62:59:01 |
| 259.9km–269.6km | 9.7km | 13:12/km | — | −354m | 13:32/km | 65:07:01 |
| 269.6km–278.7km | 9.1km | 16:40/km | 73m/hr | +183m | 13:32/km | 67:38:17 |
| 278.7km–284.6km | 5.9km | 12:54/km | — | −90m | 13:32/km | 68:54:06 |
| 284.6km–289.7km | 5.1km | 12:53/km | — | −130m | 13:32/km | 70:00:00 |
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.