| Lower Road (ends before lights) | 0.44 km | 29 m | 6.5% |
| Maroon to White - NOT HAZARDOUS | 0.73 km | 4 m | 0.3% |
| Phoenix Park Inbound 1st to Last Roundabout | 3.01 km | -24 m | -0.8% |
| Main Road Lash | 0.67 km | -3 m | -0.3% |
| Main Road Stretch | 0.96 km | -10 m | -0.9% |
| Main Road Sprint | 0.39 km | -5 m | -1.2% |
| Training segment 1 | 1.33 km | -17 m | -1.2% |
| 200m Sprint | 0.29 km | -4 m | -1.4% |
| Cricket Club - Roundabout 400m | 0.39 km | -6 m | -1.1% |
| coast road | 7.98 km | 22 m | 0.0% |
| NEW Raging Bull | 0.54 km | -17 m | -1.6% |
| The Bull to St.Anne's corner. | 0.92 km | -9 m | -0.4% |
| Mr Craggs Tree | 0.93 km | -7 m | -0.2% |
| Greendale to Causeway | 1.29 km | 14 m | 0.5% |
| Causeway to Baldoyle Road | 3.15 km | -24 m | -0.1% |
| Coast rd/ Howth rd jctn to kilbarrack lights | 0.53 km | -6 m | -0.4% |
| kilbarrack to sutton park | 1.00 km | 12 m | 0.2% |
| 2 | 1.00 km | 9 m | 0.2% |
| bayside to sutton park | 0.62 km | -6 m | -0.0% |
| Sutton park to baldoyle sprint | 0.38 km | -10 m | -2.4% |
| Baldoyle lights to Sutton X | 0.85 km | 11 m | 0.4% |
| Climb at Quarry | 0.25 km | 9 m | 3.2% |
| Howth, Village Side | 2.20 km | 116 m | 5.3% |
| Turn to trigangle | 0.31 km | 16 m | 5.0% |
| Turn To Asgard Rd Lights | 0.72 km | 48 m | 5.9% |
| Howth village to Dungriffin Rd | 1.12 km | 73 m | 6.5% |
| Interval | 1.39 km | 84 m | 6.0% |
| Howth Asgard Rd to shop | 1.45 km | 68 m | 4.7% |
| Summit to Sutton church | 4.68 km | -119 m | -2.5% |
| Howth First Descent | 2.24 km | -67 m | -3.0% |
| Carrickbrack Climb city bound | 0.57 km | 23 m | 3.6% |
| Shielmartin descent to Sutton X | 2.40 km | -66 m | -2.6% |
| Going Down | 1.02 km | -44 m | -4.3% |
| The disappeared segment AKA Graveyard Shift | 0.47 km | -27 m | -5.7% |
| Sutton Cross to Balydoyle Rd. | 0.94 km | -12 m | -0.3% |
| Tired of naming segments | 1.93 km | -13 m | -0.2% |
| seafront | 8.03 km | -28 m | -0.1% |
| Stfintans to baldoyle lights | 0.38 km | -10 m | -1.4% |
| Tuesday Club Straight | 1.29 km | 4 m | 0.2% |
| Baldoyle Rd to Causeway | 3.11 km | -2 m | -0.1% |
| James Larkin Sprint Citybound | 0.94 km | 19 m | 1.2% |
| Causeway to woodenbridge | 1.88 km | -8 m | -0.3% |
| Corner to the Bull. | 0.94 km | 9 m | 0.4% |
| Reverse Raging Bull | 0.53 km | 15 m | 0.5% |
| Wooden bridge to Stiles. | 2.09 km | -17 m | -0.5% |
| Clontarf road short chicane sprint | 0.66 km | -7 m | -0.5% |
| CarPark to path | 0.43 km | 8 m | 1.2% |
| Kyper (Full) | 0.94 km | 26 m | 2.8% |
| Phoenix Park Glen Road Climb | 1.02 km | 20 m | 1.9% |
| Phoenix Pk - Glenn Rd Upper | 1.80 km | 33 m | 1.8% |
