| A5 Friars wash drag | 3.28 km | -22 m | -0.6% |
| Markyate Sprint | 1.09 km | -9 m | -0.8% |
| Markyate to St Albans | 12.71 km | -47 m | -0.3% |
| dunstable road (return) | 6.68 km | -33 m | -0.5% |
| Markyate to Junction9 | 2.42 km | -13 m | -0.5% |
| Passed the Herts Show ground. | 1.12 km | 16 m | 1.5% |
| Redbourn by pass sprint | 1.62 km | -29 m | -1.8% |
| RCC 9.2m TT section 5 | 0.93 km | -9 m | -0.8% |
| RCC 9.2m TT Section 1 | 5.08 km | -17 m | -0.2% |
| Redbourn Road South. . | 5.00 km | -13 m | -0.0% |
| Redbourn Road Southbound | 5.11 km | -13 m | -0.1% |
| Redbourn - St Albans | 4.95 km | -17 m | -0.2% |
| Redbourn TT short | 3.77 km | -16 m | -0.1% |
| Sign-to-Sign (Gill TT) | 4.38 km | -17 m | -0.1% |
| Shafford uphill | 0.69 km | 11 m | 1.5% |
| Folly Hill | 0.64 km | 22 m | 3.3% |
| Folly Hawkes | 0.62 km | 24 m | 3.9% |
| Folly Lane Uphill | 0.98 km | 30 m | 3.0% |
| Folly Lane Hill (Without traffic on Catherine Street) | 0.73 km | 31 m | 4.2% |
| Sandridge Rd Climb | 0.51 km | 5 m | 0.9% |
| Rcc 9.2m TT Section 3 | 4.60 km | 30 m | 0.5% |
| Corner Shop Climb | 0.36 km | 9 m | 2.2% |
| Home Sprint | 3.48 km | 23 m | 0.3% |
| Ancient Briton to Cravells Road | 4.37 km | 29 m | 0.6% |
| Harpenden Road North | 4.47 km | 29 m | 0.6% |
| Woollam Climb | 1.13 km | 16 m | 1.4% |
| 8am 1st leg | 4.02 km | 21 m | 0.3% |
| Woolams to Redbourn Lane | 3.35 km | 21 m | 0.1% |
| Stud Sprint | 0.45 km | 2 m | 0.4% |
| Beesonend Lane to Crabells Road climb | 0.93 km | 19 m | 2.0% |
| North through Harpenden | 3.16 km | -21 m | -0.4% |
| Rothamsted Rattler | 0.82 km | -19 m | -2.3% |
| St Albans road rattler | 0.86 km | -19 m | -2.2% |
| Roundwood lane to the Common | 1.31 km | 7 m | 0.5% |
| Mount Annables | 3.60 km | 36 m | 0.0% |
| Up Kinsbourne Common | 0.74 km | 24 m | 3.3% |
| Annables Climb | 1.34 km | 30 m | 2.2% |
| Just Annables | 1.33 km | 8 m | 0.6% |
| Annables and down Watery lane | 2.33 km | -41 m | -1.7% |
| Friars Wash | 1.45 km | 10 m | 0.7% |
| A5 Friars wash to Markyate | 2.96 km | 14 m | 0.5% |
| To the Footbridge | 0.59 km | 4 m | 0.7% |
