Stage 18: Beacons Reservoir to Cyfarthfa (9.00 miles, -325 ft net elevation change)
| Pos | Runner | Club | Category | Time |
|---|---|---|---|---|
| 1 | Andy Darby | Newport Harriers | Open | 45:20 |
| 2 | Dave Robinson | Barry & Vale Harriers | Open | 45:43 |
| 3 | Alan Donovan | Cardiff AAC | Open | 46:31 |
| 4 | Albert Sunter | Horwich RMI Harriers | Open | 47:10 |
| 5 | Ray Bridgen | City of Bath | Open | 48:50 |
| 6 | Liam Latchford | Les Croupiers | Vets | 49:10 |
| 7 | John Crutcher | Beddau | Open | 50:01 |
| 8 | Gwyn Lloyd | Pontypridd Roadents | Open | 50:37 |
| 9 | Dave Granger | Les Croupiers | Open | 50:59 |
| 10 | Andy Rowland | Serpentine | Open | 51:03 |
| 11 | Nicky Roche | Swansea Harriers | Open | 51:49 |
| 12 | Ken Smith | Newport Harriers B | Open | 52:09 |
| 13 | Eddie Devine | City of Bath B | Open | 52:32 |
| 14 | Steve Robinson | Kendal | Open | 52:58 |
| 15 | Kevin Chalke | San Domenico | Open | 53:47 |
| 16 | John Staniforth | Pegasus | Open | 53:59 |
| 17 | Nigel Edwards | Hengoed R.R./Blaenavon Joggs | Open | 54:16 |
| 18 | Catherine McCarthy | City of Bath | Ladies | 55:10 |
| 19 | Stu Challenger | Griffithstown Harriers | Open | 55:46 |
| 20 | Clive Cox | Lliswerry | Open | 57:41 |
| 21 | Brian McErlaine | Risca | Open | 58:41 |
| 22 | John Cooper | Brynna Runaways | Open | 01:01:21 |
| 23 | A Lloyd | Fairwater | Open | 01:02:12 |
| 24 | Mike Evans | Cardiff High School Old Boys | Open | 01:02:29 |
| 25 | Graham King | Rockwool | Open | 01:02:38 |
| 26 | Martin Curlwood | Norwich Union | Open | 01:03:39 |
| 27 | Tony Oakes | Stragglers/Serpentine | Open | 01:04:54 |
| 28 | Bev Thomas | Serpentine | Ladies | 01:05:41 |
| 29 | Brian Donovan | Les Croupiers B | Open | 01:06:39 |
| 30 | Julia Longville | Les Croupiers | Ladies | 01:08:15 |
| 31 | Pete Schofield | Horwich RMI Harriers B | Open | 01:09:25 |
| 32 | Caroline Ginesi | Stragglers | Open | 01:11:06 |
| 33 | Doreen Duffield | Gwent Sisters | Ladies | 01:14:24 |
33 result(s)