Stage 1 ;9 September 2012 –
Ipswich to
Royal Norfolk Showground, The opening stage of the 2012 Tour of Britain was a primarily flat stage, with the first of the
Yodel intermediate sprint points coming in the village of
Melton, before the first
Škoda King of the Mountains climb came in another
Suffolk village, in
Snape. The second King of the Mountains point came at the village of
Westleton, with the second sprint coming in
Great Yarmouth. The final sprint was at
Coltishall, with the final King of the Mountains climb coming at
Swanton Morley; all three climbs during the stage were third-category ascents. A quartet of riders – 's Niels Wytinck, rider
Kristian House,
Rony Martias of and Jonathan Clarke, representing the team – made the early breakaway from the field, locking out the top placings at each of the three intermediate sprint points and the three categorised climbs during the stage. Martias finished first at two of the three sprints, and thus took the race's first sprints jersey, while House earned the polka-dot jersey for heading the mountains classification, and Wytinck earned the award for the day's most combative rider. The breakaway, which had an advantage of seven minutes over the field at one point during the stage, was caught with around remaining, which was expected set up a sprint finish at the Royal Norfolk Showground. However, a large crash with around remaining delayed a large portion of the peloton, leaving few riders to contest the final sprint; rider
Luke Rowe prevailed to take his first professional victory ahead of Clarke's team-mate Boy Van Poppel and 's
Russell Downing. Rowe took the first leader's jersey by three seconds ahead of Martias, who was sixth on the stage but moved up due to bonus seconds from the intermediate sprints.
Stage 2 ;10 September 2012 –
Nottingham to
Knowsley Safari Park, – in the gold jersey – lost the jersey post-stage, after a one-second time gap was implemented at the finish. The first sprint point on the second stage was contested just over into the stage, at
Duffield. After the sprint point, there were three successive first-category climbs on the parcours, coming at
Cross o' th' Hands,
Alstonefield and finally
Morridge. The two final sprint points were at
Chelford and
Culcheth with the stage finishing, for the first time, at Knowsley Safari Park on the outskirts of
Liverpool. The breakaway for the stage consisted of six riders, and they managed to remain off the front of the field for the majority of the stage. Making up the group were stagiaire Matthias Krizek,
Jack Bobridge of , Peter Williams representing the team, 's
Richard Handley, rider Russell Hampton and
Pablo Urtasun for the squad. The sextet managed to establish a lead of over four minutes at one stage on the roads, but were gradually brought back by the peloton, led once again by with assistance from ; both teams were looking to set up their sprinters
Mark Cavendish and
Russell Downing respectively. The leaders managed to remain clear until around ; Bobridge and Williams resisted capture for another few kilometres, but all was together before the to go banner. There were several late-stage attacks from riders representing the domestic teams, but it was ultimately a sprint finish within the safari park for the stage honours. were on the front with race leader
Luke Rowe leading out Cavendish, but the pair became separated in the closing stages, allowing Boy Van Poppel () and Bobridge's team-mate
Leigh Howard into space. Howard beat a recovering Cavendish to the line for his first win of the year, while a third place for Van Poppel, compared to a tenth for Rowe – with a one-second time gap – allowed Van Poppel to take the lead in the general and points classifications from Rowe. This was despite Rowe receiving the leader's jersey during the post-stage podium ceremonies.
Stage 3 ;11 September 2012 –
Jedburgh to
Dumfries, , around halfway through the stage in the
Southern Uplands The third stage of the race started with an almost immediate sprint point, into the stage at
Hawick. Like the second stage, there were three successive King of the Mountain points, with two first-category climbs and a second-category climb coming at
Roberton, Turner Cleuch and
Grey Mare's Tail respectively. The two final sprints were contested at and respectively, at
Lochmaben and Whitesands in Dumfries. Following a finishing loop of around in length, the finish of the stage itself was contested on Whitesands for the second successive year;
Mark Cavendish led home team-mate
Mark Renshaw in a 1–2 finish in the
race-opening stage, in 2011. Five riders were part of the breakaway during the stage; the group consisted of riders mainly from the domestic teams – all bar one of the five – as
Bernard Sulzberger of was joined by rider Peter Hawkins, 's
Kristian House and Peter Williams, representing the team, with the group completed by stagiaire Wesley Kreder. Williams was looking to defend his lead in the sprints classification, while House was out to regain the lead in the mountains classification, that he had lost the previous day to rider
Pablo Urtasun. House ultimately regained his mountains lead with a first and two seconds – both to Sulzberger – while Williams extended his lead with two intermediate sprint wins. The peloton had given them a maximum advantage of four minutes during the stage, before gradually pulling them back, being led by the team of race leader Boy Van Poppel. Hawkins and Kreder left their breakaway companions behind on the finishing loop around Dumfries, while rider
Sep Vanmarcke attacked out of the peloton to join up with the two leaders around later. Hawkins was almost immediately dropped after that, with Kreder and Vanmarcke managing to hold off the peloton until around to go, as the and had ramped up the pace in the peloton ahead of the sprint finish. With a lead-out from opening stage winner
Luke Rowe, Cavendish took victory in Dumfries for the second consecutive year, ahead of pairing
Leigh Howard and
Aidis Kruopis. With six bonus seconds on the line, Howard assumed the overall lead of the race, with Cavendish level on time; Van Poppel fell to third but held on to the lead of the points classification.
Stage 4 ;12 September 2012 –
Carlisle to
Blackpool, The fourth stage of the race started in Carlisle, where two sprints and two King of the Mountain points were all contested within the first of the stage. The first two sprint points were held at
Shap and
Kendal, interspersed with two-second-category climbs at Shap Fell and Old Hutton. The final sprint of the day was situated at
Caton and the final King of the Mountain point of the day was the third-category climb at
Quernmore. The stage finished on the
Golden Mile in Blackpool, where
André Greipel had won the most recent finish there in the
race-opening stage in 2010; the stage scheduled to finish in Blackpool in
2011 was cancelled due to inclement weather conditions after the remnants of
Hurricane Katia hit the country. The main breakaway of the day was initiated during the opening kilometres of the stage, and involved six riders. The group – consisting of mountains classification leader
Kristian House (), Ronan McLaughlin of , 's Niklas Gustavsson, rider
Dan Craven, Matt Cronshaw of and
David Lelay representing the team – quickly gained an advantage of around seven minutes on the peloton, before they started attacking one another with around remaining. House and Gustavsson were initially dropped, while in the peloton, echelons were formed with , reducing the group to twenty-seven riders in depth. McLaughlin and Craven pushed on together off the front, before they were caught with remaining. This ultimately set up a reduced sprint finish, where rider
Mark Cavendish won for the second day running, ahead of Australian pair
Steele Von Hoff () and race leader
Leigh Howard of . Cavendish assumed the race lead from Howard by six seconds, having previously stated that he did not want to hold the leader's jersey, to remain in the world champion's jersey ahead of defending his title in
Valkenburg in the Netherlands.
Stage 5 ;13 September 2012 –
Stoke-on-Trent to Stoke-on-Trent, and
Mark Cavendish at the start of the stage. Cavendish lost the race lead on the stage, eventually losing almost twelve minutes on stage winner
Marc de Maar of . For the fifth successive year the Tour of Britain held a stage in Stoke-on-Trent, with the fifth stage of the race commencing at
Trentham Gardens. The first sprint of the day was contested at only into the stage, at
Stone. The second sprint point was situated at
Uttoxeter and the final such point was located at
Rocester. There were three categorised climbs during the stage, with two-second-category climbs coming in Glacial Boulder – at
Cannock Chase – and
Oakamoor respectively, while there was also a first-category climb at
Gun Hill. The field remained together for the first hour of racing during the stage; at the first intermediate sprint point, 's
Leigh Howard took three bonus seconds towards the general classification, ahead of
Luke Rowe of and rider
Russell Downing. Three riders – rider
Ivan Basso,
Bartosz Huzarski of and 's
Bernard Sulzberger – were able to break clear before the second climb of the day at Oakamoor, also taking maximum points in the process at both of the intermediate sprints en route to the climb. Strong crosswinds at this point allowed the main field to split apart, forming echelons, and also allowed a group of 21 riders to break clear of the peloton, and ultimately joined up with Basso and Huzarski after Sulzberger was dropped to form a 23-man group. Thirteen of the race's seventeen teams were represented in the group, including four members – Howard, Boy Van Poppel () and pairing
Sep Vanmarcke and
Nathan Haas – of the overnight top ten in the general classification. The distance between the leaders and the remains of the main field continued to increase, eventually reaching four minutes with around remaining, while race leader
Mark Cavendish, of , was four minutes further behind after losing contact on the earlier climbs. Cavendish eventually lost almost twelve minutes on the day, comfortably losing his race lead. In the lead group,
Paul Voss () misjudged a right-hand turn with , with
Marc de Maar of and rider
Jérémie Galland also hitting the tarmac as a result. Galland had to abandon the race with a fractured collarbone. Galland's team-mate
Jérôme Coppel then put in an attack on the group, closely followed by Haas before this was chased down. De Maar, having returned to the group after his fall, went on the attack with and was not brought back as the Curaçao national champion soloed to his first victory of the year by fifteen seconds. Vanmarcke beat out Van Poppel, Haas and Howard for second place, with Howard retaking the leader's gold jersey by seven seconds ahead of Van Poppel.
Stage 6 ;14 September 2012 –
Welshpool to
Caerphilly, The sixth stage started and ended in
Wales with a profile similar to the Welsh stages that had been held during previous Tours of Britain, while it was also denoted as the queen stage of the race. Stage 6 also marked one of the hardest days in terms of climbing, with four first-category climbs at Cwm Owen,
Brecon Beacons, as well as two ascents of
Caerphilly mountain. The three sprint points were contested at , and respectively, located at
Kerry,
Llandrindod Wells and
Mountain Ash. Six riders formed the breakaway for the stage, which was instigated within the opening few kilometres of the stage; it consisted of mountains classification leader
Kristian House (), 2011 sprints winner
Pieter Ghyllebert of , rider Marcin Białobłocki, 's
Dan Craven, Graham Briggs representing and 's
Magnus Bäckstedt. The group held a lead of eight minutes after the first intermediate point in Kerry, which was won by Bialoblocki, before the peloton – led by and – started to gradually cut into their lead. House continued to extend his mountains classification lead by taking the first two climbs of the day, while the peloton remained four minutes behind at the Brecon Beacons, although the group splintered on the descent from the climb – with eleven riders going clear – before eventually coming back together before the Mountain Ash intermediate sprint. At the foot of Caerphilly mountain, 's
Jonathan Tiernan-Locke attacked out of the peloton, surpassing the remnants of the breakaway, with only Briggs catching up with Tiernan-Locke. 's
Leopold König linked up with the leaders from a small chasing group, while Ghyllebert tried to rejoin the leaders before being dropped again. Briggs was also dropped with König and Tiernan-Locke remaining clear until the end, where König won the stage and Tiernan-Locke assumed the leader's gold jersey, after 's
Leigh Howard finished 33 seconds behind on the stage.
Stage 7 ;15 September 2012 –
Barnstaple to
Dartmouth, towards the end of the stage. The penultimate stage of the 2012 Tour of Britain started in north Devon, and contained two first-category climbs at
Merrivale and Coffin Stone, as well as a second-category climb at
South Hill. The day's intermediate sprint points were heavily favoured towards the latter part of the stage, with the final two sprints both coming within the final of the stage. These were situated at Kingsbridge Promenade and
Slapton Ley, with the day's first sprint contested at
Great Torrington; the field had remained as one complete entity until this point, where
Leigh Howard of reduced the overall lead of rider
Jonathan Tiernan-Locke by three bonus seconds to ten seconds. After that, the race split apart on the first climb at South Hill, before eventually reforming; the breakaway was formed during this phase of the race, with ten riders eventually going clear at the front. They eventually established an advantage of around four minutes at its maximum before Tiernan-Locke's squad along with started bringing them back at a gradual rate, falling to 1' 20" with around before the advantage started to increase once again. Tiernan-Locke attacked with around remaining, taking the other race contenders
Nathan Haas of and
Damiano Caruso () with him. Their group eventually finished 46 seconds down on the stage-winning group of four riders, who had remained out front from the breakaway;
Pablo Urtasun took his first win of the season for ahead of fifth stage winner
Marc de Maar (), Caruso's team-mate
Ivan Basso and team-mate of Urtasun,
Samuel Sánchez.
Stage 8 ;16 September 2012 –
Reigate to
Guildford, The final stage of the 2012 Tour of Britain contained four categorised climbs: two third-category climbs at Staple Lane and Crocknorth Road, a second-category climb at
Leith Hill and a final first-category climb at Barhatch Lane. Early in the stage there were two sprint points: the first at
Dorking just over into the stage, the second on the High Street in the finish town of Guildford; the final sprint of the 2012 Tour was at
Ockley. Four riders formed the day's breakaway, consisting of rider Peter Williams – the sprints classification leader, who secured the jersey by getting into the breakaway – as well as 's Wesley Kreder,
Jack Bobridge of and
Simon Richardson, representing . The break only got three minutes clear before the peloton gradually brought them back. On the final categorised climb of the race, Barhatch Lane, the overall leader
Jonathan Tiernan-Locke () ramped up the pace and split the main field for a time before it eventually reformed on the descent. Bobridge attacked on his own with remaining of the stage, pulling clear by around half a minute before set up station on the front of the peloton to keep
Mark Cavendish out of trouble ahead of a likely sprint finish. After Bobridge was caught, three other riders tried solo attacks on the run-in to Guildford without success; setting up the sprint finish,
Luke Rowe led it out for Cavendish again, and Cavendish won the sprint – for his third win of the race – by several bike lengths ahead of 's
Boy Van Poppel, who secured the points classification on the line. Tiernan-Locke finished within the peloton to secure the overall victory. ==Classification leadership==