| Time | Mile | Instruction | For | Towards |
| 08:00 | 0 | Depart Helmsdale on A9 (East) | 18.8 mi | |
| 09:21 | 18.8 | At Latheron, turn RIGHT (East) onto A99 | 33.1 mi | Wick |
| 11:47 | 51.9 | At John o'Groats, stay on A99 | 98 yds | |
| 11:48 | 51.9 | Turn LEFT (West) onto A836 | 3.9 mi | Huna |
| 12:05 | 55.8 | At Gills, turn LEFT (South) onto Local road(s) | 9.1 mi | Mey |
| 12:45 | 65 | Bear LEFT (West) onto A836 | 5.7 mi | Castletown |
| 13:13 | 70.7 | Bear RIGHT (West) onto A9 | 0.2 mi | |
| 13:14 | 71 | Arrive Thurso |