The following year, Kneen acquired financial support from Manx Gas ahead of the 2010 Isle of Man TT, continuing with the Marks Bloom Racing outfit.

[20] Kneen endured a tough season on the short circuits in the Superstock 1000 class, recording a single points-scoring finish of 12th place at Oulton Park in May.

[27] Just like in 2011, Kneen missed the early portion of his British championship campaign – remaining in Superstock 1000 – and the North West 200, due to injuries sustained from an accident at RAF Jurby.

[29] While competing at July's Southern 100, Kneen crashed out on the final corner of the Supersport race, suffering a broken elbow.

[30] Following recovery, Kneen returned to the roads at November's Macau Grand Prix; he qualified in tenth position but failed to start the race, after a mechanical issue on the formation lap.

[34] He followed this up the following weekend, at the Tandragee 100, with victories in the Open and main Superbike races,[35] leading into the North West 200 international meeting.

[36] Moving on to the Isle of Man TT in June, Kneen had three top-ten finishes, with a best of seventh place in the Superstock race.

[40] Later in July, Kneen again recorded four podium finishes at a race meeting,[41] at the Southern 100; in the process of doing so, Kneen recorded the fastest lap of the Billown Circuit by a Manx rider, lapping at 113.044 mph (181.927 km/h) during the Senior race – surpassing Conor Cummins' previous best speed.

[45] In preparation for August's Ulster Grand Prix, Kneen finalised the Irish Superbike Championship with a victory in the Faugheen 50, where he also won the Supersport race.

[54] His first race with the team came at Donington Park in the British National Superstock 1000 cc Championship, where he took an eighth-place finish.

However, Kneen missed both that event and the Isle of Man TT, after breaking his arm in a mountain biking accident.

[81] For the second time in less than two years, Kneen found himself out of a ride due to the team not being able to be compete going forward – Mar-Train Racing withdrew from competition in December 2016 after a decade in the sport.

[82] It was not until January 2017 that Kneen was able to find a new ride, signing for the Penz13.com BMW Motorrad Racing Team,[83] run by another former TT competitor, Rico Penzkofer.

[85] Kneen continued his preparation for the international meetings, by contesting the Enkalon Trophy on Easter Saturday,[86] an Irish short-circuit event at Bishopscourt, outside of Downpatrick.

[88] After a best result of eighth place in the Superstock race,[89] at the North West 200, Kneen contested the 300 Curves of Gustav Havel event for the first time, at Hořice in the Czech Republic.

[92] In the opening Superbike TT race, Kneen finished fifth despite a time penalty for exceeding the maximum speed limit in pit lane during one of his pit-stops.

[97] He held on for the remainder of the race, and as a result, sealed his first rostrum finish at the Isle of Man TT,[98] stating that the podium was "a feeling I can't describe at the moment".

[121] As he did in 2017, he contested the opening Donington Park meeting of the British National Superstock 1000 cc Championship; in the races, Kneen took finishes of seventh, fourth and tenth.

Kneen ran at the back of the group for a time, before making his way to the front, taking the lead on the final lap and won a closely fought race with half a second covering the podium positions.

[126] On 30 May 2018, during qualifying practice for the 2018 Isle of Man TT,[127] Kneen died after an accident at the Churchtown section of the circuit, 22 miles (35.2 km) into the lap.

[130] In the immediate aftermath of Kneen's crash, competitor Steve Mercer was seriously injured after colliding with a course-car conveying police officers to officiate at the scene of the fatality.

[139] At a preliminary inquest at the Isle of Man Courts of Justice, coroner and High Bailiff John Needham certified that Kneen had died of "multiple injuries" in the crash which had been estimated to have occurred at 140 mph (225 km/h).

[140] A full inquest, initially notified to be heard at a later date,[140] commenced on 28 September 2018, but was further delayed due to a lack of information from the telemetry of Kneen's motorcycle.

[142] Kneen's funeral was held on 15 June at Douglas Crematorium, with mourners requested to wear motorcycle gear or casual clothing.