| Estimated time of arrival at kilometres per hour | 48 | 40 | 32 |
| KM | Ml | Road No. | Location | Back
wind | Average | Head wind |
| | | | Ceremonial Start outside Courthouse & Longford Arms Hotel | 11:00 | 11:00 | 11:00 |
| 0.0 | 0.0 | | From Courthouse in Longford proceed up Main Street to traffic lights branch left | | | |
| 0.4 | 0.2 | N63 | Turn right direction Roscommon, Town Centre to New Street on N63 | | | |
| 0.5 | 0.3 | | Turn left at New Street | | | |
| 0.6 | 0.4 | | Immediately right to Market Square, Dealz on right | | | |
| 0.6 | 0.4 | | Keep right, direction Roscommon, Lanesborough, Athlone to Harbour Row | | | |
| 0.9 | 0.6 | | Turn left direction Roscommon/Lanesborough N63 | | | |
| 1.7 | 1.1 | N63 | At Roundabout, take 2nd exit direction Roscommon/Lanesborough/Athlone N63 | | | |
| 2.2 | 1.4 | | End of neutralised section | | | |
| 0.0 | 0.0 | | Start of Race at Century Business Park warehouses on both sides of road on N63 | 11:00 | 11:00 | 11:00 |
| 5.3 | 3.3 | | Hump back bridge Killashee | 11:06 | 11:07 | 11:09 |
| 6.2 | 3.9 | | In Killashee village, sharp right hand bend, junction on left followed by a sharp left bend | 11:07 | 11:09 | 11:11 |
| 12.5 | 7.8 | | Entering Lanesborough | 11:15 | 11:18 | 11:23 |
| 13.9 | 8.6 | | At 4 roads cross in centre of Lanesborough, turn right direction Roscommon | 11:17 | 11:20 | 11:26 |
| 14.3 | 8.9 | | Entering Ballyleague village | 11:17 | 11:21 | 11:26 |
| 22.6 | 14.0 | | 4 roads cross, continue straight through | 11:28 | 11:33 | 11:42 |
| 23.8 | 14.8 | | 4 roads cross, continue straight through | 11:29 | 11:35 | 11:44 |
| 24.5 | 15.2 | | 4 roads cross, continue straight through | 11:30 | 11:36 | 11:45 |
| 27.2 | 16.9 | | Entering Roscommon, followed by 5 central reservations ending at 27.8k leading to roundabout | 11:34 | 11:40 | 11:51 |
| 27.9 | 17.3 | | At roundabout in Roscommon, take 4th exit, direction Sligo, Boyle, Castlebar, Castlerea | 11:34 | 11:41 | 11:52 |
| 28.6 | 17.8 | | At roundabout, take 2nd exit, direction Castlebar, Castlerea, Ballymoe | 11:35 | 11:42 | 11:53 |
| 43.6 | 27.1 | N60 | Level crossing number XM104 | 11:54 | 12:05 | 12:21 |
| 47.8 | 29.7 | | Entering Ballymoe | 11:59 | 12:11 | 12:29 |
| 48.5 | 30.1 | | Major junction right, keep straight through Ballymoe | | | |
| 48.7 | 30.3 | | Ballymoe An Post Prime | 12:00 | 12:13 | 12:31 |
| 48.8 | 30.3 | R360 | Keep right at Y junction in Ballymoe on R360 | 12:01 | 12:13 | 12:31 |
| 50.0 | 31.1 | | 50km done signs at bungalow on left with detached garage at side, satellite dish and half stone front | 12:02 | 12:15 | 12:33 |
| 50.6 | 31.4 | R360/N83 | Turn right, direction Dunmore, Williamstown | 12:03 | 12:15 | 12:34 |
| 52.4 | 32.6 | | Keep right at Y junction | 12:05 | 12:18 | 12:38 |
| 56.0 | 34.8 | | Entering Curranderry | 12:10 | 12:24 | 12:45 |
| 56.6 | 35.2 | | Entering Williamstown | 12:10 | 12:24 | 12:46 |
| 57.8 | 35.9 | | Williamstown An Post Prime | 12:12 | 12:26 | 12:48 |
| 61.0 | 37.9 | R327 | Turn right at junction direction Cloonfad 8km, Claremorris 25km on R327 | 12:16 | 12:31 | 12:54 |
| 62.9 | 39.1 | | Sign Welcome to Co. Roscommon on R327 | 12:18 | 12:34 | 12:57 |
| 69.2 | 43.0 | | Entering Cloonfad | 12:26 | 12:43 | 13:09 |
| 69.5 | 43.2 | | At 4 roads cross, continue straight through | 12:26 | 12:44 | 13:10 |
| 80.9 | 50.3 | N60 | At T Junction, turn left direction Castlebar, Claremorris 6km | 12:41 | 13:01 | 13:31 |
| 82.9 | 51.5 | | Right and left bends under railway bridge. 15'9" / 4.79m | 12:43 | 13:04 | 13:35 |
| 85.0 | 52.8 | | Entering Claremorris | 12:46 | 13:07 | 13:39 |
| 86.0 | 53.4 | | At Seamus O’Malley roundabout, take 2nd exit, direction town centre | 12:47 | 13:09 | 13:41 |
| 87.0 | 54.1 | R331 | At T Junction, turn left and immediately turn right to Mount Street | 12:48 | 13:10 | 13:43 |
| 87.4 | 54.3 | | Traffic lights, junction on right, beside fire station, continue straight through | 12:49 | 13:11 | 13:43 |
| 99.9 | 62.1 | | Entering Balla | 13:04 | 13:29 | 14:07 |
| 100.4 | 62.4 | | Junction on left, continue straight through Balla | 13:05 | 13:30 | 14:08 |
| 105.3 | 65.4 | | Entering Manulla | 13:11 | 13:37 | 14:17 |
| 105.5 | 65.6 | | At 4 roads cross, continue straight through | 13:11 | 13:38 | 14:17 |
| 106.2 | 66.0 | | Level Crossing number XX1 | 13:12 | 13:39 | 14:19 |
| 108.5 | 67.4 | | Breaghwy An Post Prime on N60 | 13:15 | 13:42 | 14:23 |
| 111.0 | 69.0 | | Entering Castlebar | 13:18 | 13:46 | 14:28 |
| 111.4 | 69.2 | | At Kilkenny Cross roundabout, take 2nd exit direction town centre, Dublin, Westport, Ballina | 13:19 | 13:47 | 14:28 |
| 113.0 | 70.2 | R373 | At roundabout, take 2nd exit direction town centre | 13:21 | 13:49 | 14:31 |
| 113.3 | 70.4 | | At Roundabout outside Lidl, take 2nd exit | 13:21 | 13:49 | 14:32 |
| 113.6 | 70.6 | | At Roundabout, take 3rd exit direction town centre | 13:22 | 13:50 | 14:33 |
| 113.7 | 70.6 | | At Mini roundabout, take 1st exit direction town centre. Charles Street | 13:22 | 13:50 | 14:33 |
| 113.9 | 70.8 | | On Lucan Street. At 4 roads cross, at traffic lights, turn left to
Market Street. Narrow Street | 13:22 | 13:50 | 14:33 |
| 114.3 | 71.0 | | At traffic lights, continue straight through to Church Street | 13:22 | 13:51 | 14:34 |
| 115.1 | 71.5 | N5 | At T junction, turn left, direction Westport, Dublin | 13:23 | 13:52 | 14:35 |
| 115.2 | 71.6 | R335 | At Roundabout, take 2nd exit, direction N5 Westport, Louisburg on R335.
Westport Road. | 13:24 | 13:52 | 14:36 |
| 118.0 | 73.3 | | 25km to go at 100km speed restriction sign just past Shaws Garden Centre on left | 13:27 | 13:57 | 14:41 |
| 123.1 | 76.5 | | 20km to go at Tommie Joyce Car Sales on left | 13:33 | 14:04 | 14:50 |
| 129.9 | 80.7 | | Entering Westport | 13:42 | 14:14 | 15:03 |
| 130.3 | 81.0 | | Pedestrian crossing on fast and steep descent into Westport. | 13:42 | 14:15 | 15:04 |
| 130.9 | 81.3 | | Traffic lights outside Castlecourt Hotel, continue straight through to Castlebar Street | 13:43 | 14:16 | 15:05 |
| 131.1 | 81.5 | | 4 roads cross with ramp before river. Turn Right to North Mall | 13:43 | 14:16 | 15:05 |
| 131.2 | 81.5 | N59 | At T junction and traffic lights, turn right direction Newport, Bangor | 13:44 | 14:16 | 15:06 |
| 132.8 | 82.5 | | 10km to go on twisty Road. Slaugher Hill L5846, junction on right | 13:46 | 14:19 | 15:09 |
| 138.8 | 86.2 | | 5km to go at Stone bridge | 13:53 | 14:28 | 15:20 |
| 139.8 | 86.9 | | 4km to go at junction on left L54275 | 13:54 | 14:29 | 15:22 |
| 140.8 | 87.5 | | 3km to go at 100km speed restriction sign | 13:56 | 14:31 | 15:24 |
| 141.8 | 88.1 | | 2km to go at 100km speed restriction sign | 13:57 | 14:32 | 15:25 |
| 142.8 | 88.7 | | 1km to go at Brown sign on left, welcome to Newport | 13:58 | 14:34 | 15:27 |
| 143.0 | 88.9 | | Entering Newport | 13:58 | 14:34 | 15:28 |
| 142.5 | 88.5 | | 500m to go at 1st bungalow on left (grey painted wall) at brow of hill | 13:58 | 14:33 | 15:27 |
| | | | 400m to go 20m before junction with L54264 on left | | | |
| | | | 300m to go at Joyce's Garage on left | | | |
| | | | Team car diversion – team cars to park on the right side of the road in an orderly fashion. No teams cars are to cross the bridge to the finish line | | | |
| | | | 250m to go at protruding footpath on left/lamp post | | | |
| | | | 200m to go at 1st lamp post on left of bridge | | | |
| 142.9 | 88.8 | | Finish outside Frank Chambers Auctioneers & Blue Bicycle Tea Rooms | 13:58 | 14:34 | 15:27 |