Stage 17: Brecon to Beacons Reservoir (10.50 miles, +892 ft net elevation change)
| Pos | Runner | Club | Category | Time |
|---|---|---|---|---|
| 1 | Sandy Johnston | Les Croupiers | Open | 56:37 |
| 2 | Tony Davies | San Domenico | Open | 58:27 |
| 3 | Luther Williams | Cardiff AAC | Open | 59:22 |
| 4 | Doug Johnson | TA Wales | Open | 01:00:45 |
| 5 | Liam Latchford | Les Croupiers | Vets | 01:01:09 |
| 6 | Henry Stansfield | Arfon | Open | 01:07:53 |
6 result(s)