Stage 17: Brecon to Beacons Reservoir (9.60 miles, +892 ft net elevation change)
| Pos | Runner | Club | Category | Time |
|---|---|---|---|---|
| 1 | B Matthews | Barry & Vale Harriers | Open | 53:49 |
| 2 | Sandy Johnston | Les Croupiers | Open | 54:28 |
| 3 | A Donovan | Cardiff AAC | Open | 54:36 |
| 4 | M Parkes | Bridgend | Open | 54:50 |
| 5 | Doug Johnson | TA Wales | Open | 55:03 |
| 6 | Lyndon Evans | San Domenico | Open | 58:41 |
| 7 | B Smith | Les Croupiers | Vets | 01:02:10 |
| 8 | F Ashmole | Bridgend B | Open | 01:03:58 |
| 9 | D Hamilton | Army Apprentices | Open | 01:04:00 |
| 10 | P Hall | Pegasus | Open | 01:04:59 |
10 result(s)