Harrison at Sulby Bridge during TT practice in May 2014

Dean Conrad Harrison (born 24 January 1989) is an English professional motorcycle racer. He has won five Isle of Man TT races, and has 35 podium finishes as of early June 2025.

Harrison also competes in the Southern 100, Oliver's Mount, North West 200 road-circuit races, and British Superbike Championship.

As part of his road racing pedigree, he also topped the Duke Road Racing Rankings in 2016 and 2017 and therefore won the Championships and was awarded the Geoff Duke Trophy in those seasons.

Racing career

Harrison was 18 years old when he began motorcycle racing from his hometown, Bradford.

Harrison has won the Isle of Man TT 5 times. These were the Lightweight TT in 2014, the Supersport TT in 2018, the Senior TT in 2019 and both Superstock TT races in 2025. His best lap was 134.9 mph, then the second fastest ever. He has had 16 podium finishes to date. He also has earned four Classic TT wins between 2014 and 2019.

He holds the Superbike TT lap record of 16:50.384, set in 2018 with his Kawasaki ZX 10R.

Harrison is the third most successful rider in the Southern 100 event's 65-year history, with 24 solo wins culminating in three solo championship wins between 2017 and 2019.

Harrison has earned 68 solo wins at the Oliver's Mount racing circuit, had four podium finishes in the North West 200, and two wins at the Ulster GP, holding a Superstock record of 133.835 mph as of 2023.

Harrison left DAO Racing, the team he raced with for eight years, at the end of 2023. On 15 November 2023, it was announced that Harrison will ride for Honda Racing UK on the roads and in the British championship from 2024.

Personal life

Harrison was born in Bradford, England. He is married and is known to have two children. His father, Conrad Harrison, is a former TT competitor who won a Sidecar TT Race in 2014.

From 2024, Harrison is based in Laxey, Isle of Man.

Full TT results

2025Superbike TT 3Superstock TT 1Supersport TT 2Superstock TT 1Senior TT Cancelled
2024Superbike TT 3Superstock TT 1 4Supersport TT 1 3Supersport TT 2 2Senior TT 3
2023Superbike TT 3Superstock TT 1 3Supersport TT 1 3Supersport TT 2 3Senior TT 2Superstock TT 2 3
2022Superbike TT 2Superstock TT 4Supersport TT 1 2Supersport TT 2 3Senior TT 2
2019Superbike TT 2Superstock TT 2Supersport TT 1 4Supersport TT 2 2Senior TT 1
2018Superbike TT DNFSuperstock TT 3Supersport TT 1 2Supersport TT 2 1Senior TT 2
2017Superbike TT 3Superstock TT 5Supersport TT 1 DNFSupersport TT 2 CancelledSenior TT 3TT Zero 4
2016Superbike TT 5Superstock TT 2Supersport TT 1 2Supersport TT 2 3Senior TT 4
2015Superbike TT 31Superstock TT 13Supersport TT 1 DNFSupersport TT 2 DNFSenior TT 11
2014Superbike TT 8Superstock TT 1 2Supersport TT 4Supersport TT 2 4Senior TT DNFLightweight TT 1
2013Superbike TT 11Superstock TT 4Supersport TT 1 7Supersport TT 2 8Senior TT 8Lightweight TT 2
2012Superbike TT 9Superstock TT DNFSupersport TT 1 DNFSupersport TT 2 13Senior TT CancelledLightweight TT 12
2011Superbike TT DNFSuperstock TT 27Supersport TT 1 25Supersport TT 2 12Senior TT DNF

British Superbike Championship

(key) (Races in bold indicate pole position; races in italics indicate fastest lap)

YearMake123456789101112PosPts
R1R2R1R2R1R2R3R1R2R1R2R1R2R3R1R2R1R2R3R1R2R3R1R2R1R2R1R2R3
2017KawasakiDONDONBHIBHIOULOULKNOKNOSNESNEBHGPBHGPTHRTHRCADCADSIL RetSIL 16SIL RetOUL 16OUL 17ASS 12ASS RetBHGP 16BHGP RetBHGP 23NC0
2018KawasakiDON 21DON RetBHIBHIOUL 17OUL 18SNESNEKNOKNOBHGP 17BHGP 20THRTHRCADCADSIL 19SIL 17SIL RetOUL RetOUL 12ASS 19ASS 12BHGP 14BHGP RetBHGP Ret24th10
YearBike123456789101112PosPts
R1R2R1R2R1R2R3R1R2R1R2R1R2R1R2R1R2R1R2R3R1R2R1R2R1R2R3
2019KawasakiSIL RetSIL RetOUL 12OUL 18DONDONDONBRHBRHKNO 17KNO RetSNE 18SNE 18THRTHRCAD 15CAD 13OULOULOULASSASSDON 22DON 22BHGP 18BHGP 18BHGP Ret26th8
YearBike1234567891011PosPts
R1R2R3R1R2R3R1R2R3R1R2R3R1R2R3R1R2R3R1R2R3R1R2R3R1R2R3R1R2R3R1R2R3
2021KawasakiOUL 14OUL 17OUL RetKNOKNOKNOBHGP 17BHGP 19BHGP 14THR 18THR 17THR 17DON 20DON 13DON 8CAD RetCAD 14CAD 16SNE 18SNE 17SNE 16SIL 16SIL 20SIL 21OUL 14OUL 12OUL 13DON RetDON RetDON 19BHGP RetBHGP RetBHGP 1421st28
2022KawasakiSIL 22SIL RetSIL DNSOUL 23OUL 17OUL 16DONDONDONKNO 22KNO 17KNO 18BRH RetBRH 18BRH 19THR 22THR 17THR RetCAD 16CAD 18CAD 18SNE RetSNE RetSNE 15OUL 14OUL RetOUL 15DON 21DON 18DON RetBRH 16BRH 12BRH Ret25th8
2023KawasakiSIL 15SIL 20SIL 19OUL 17OUL 10OUL 12DON RetDON DNSDON DNSKNO 12KNO 12KNO 10SNE 15SNE RetSNE 16BRH 16BRH RetBRH 17THR 22THR RetTHR 20CADCADCADOULOULOULDONDONDONBRHBRHBRH21st26
2024HondaNAV 18NAV RetOUL 15OUL DNSOUL 16DON 17DON 11DON 13KNO 19KNO 17KNO RetSNE 11SNE 19SNE 17BRH 16BRH 18BRH 19THRTHRTHRCADCADCADOULOULOULDONDONDONBRHBRHBRH23rd14

British Supersport Championship

(key) (Races in bold indicate pole position; races in italics indicate fastest lap)

YearBike12345678910111213141516171819202122PosPts
2023YamahaSLVSLVOPKOPKDPKDPKKNHKNHSTNSTNBRHBRHTXNTXNCPKCPKOPK 6OPK 4DPK 12DPK 9BRH 19BRH 715th65