| Grid ref | Details | Distance (km) | Risk |
| SP417627 | START on A423 at a point 10 metres North of Quarry Road, Southam, 150 metres North of TI A423/A426; | 0.00 | L |
| SP382734 | Proceed North along A423, via Long Itchington, Marton and Princethorpe to Ryton-upon-Dunsmore TI (A423/A445); | 11.80 | M |
| SP417627 | Turn and retrace (4th exit) along A423 to Southam Bypass TI, (A423/A426), take 2nd exit to TI A423/A425 (Daventry Road); | 23.80 | M |
| SP416610 | (Southam - Banbury (Lap 1)): At next TI (A423/A425) (Warwick Road / Shell Garage), take 2nd exit to continue on A423; | 25.90 | M |
| SP455428 | Proceed on A423, through Mollington and Little Bourton to Banbury North TI (A423/Noral Way); | 45.20 | M |
| SP416610 | Turn and retrace (4th exit) along A423 to Southam TI (A423/A425) (Warwick Road/Shell Garage); (end of Lap 1) | 64.70 | M |
| SP455428 | (Southam - Banbury (Lap 2)): Turn and retrace (4th exit) along A423 to Banbury North TI (A423/Noral Way); | 84.10 | M |
| Turn and retrace (4th exit) along A423 to Finish; | M | ||
| SP418580 | FINISH 10 metres beyond gateway opposite entrance to New House Farm, approx 400 metres before Left turn to Ladbroke Village. | 100.50 | L |