In the 1928 Isle of Man Tourist Trophy the newly developed 'positive-stop' foot gear-change by Velocette gave Alec Bennett his fifth TT Race win in the 1928 Junior, in the time of 3 hours, 50 minutes and 52 seconds, at an average speed of , and setting a lap record at an average speed of , with his teammate Harold Willis coming second.
The 1928 Lightweight TT Race was led from start to finish by Frank Longman on an OK-Supreme motorcycle at an average speed of . In contrast the 1928 Senior TT Race was held in heavy rain and mist. The bad race conditions produced many retirements and a slow average speed. The eventual winner of the 1928 Senior TT Race was Charlie Dodson, riding a Sunbeam motorcycle, in 4 hours, 11 minutes and 40 seconds, at an average speed of .
Senior TT (500cc) Rank Rider Team Speed Time 1 Charlie Dodson Sunbeam 62.98 mph 4.11.40.0 2 George Rowley AJS 61.27 4.18.41.0 3 Tommy L Hatch Scott 60.89 4.20.18.0 4 Henry Tyrell-Smith Rudge 60.52 4.21.58.0 5 Stanley Woods Norton 60.42 4.22.19.0 6 Ted Mellors Norton 59.77 4.25.10.0 7 Francesco Franconi Sunbeam 59.61 4.25.53.0 8 John Duncan Raleigh 59.59 4.26.00.0 9 Arthur Warwick P&M 59.15 4.27.58.0 10 Bill Quinn Triumph 59.13 4.28.04.0
Junior TT (350cc) Rank Rider Team Speed Time 1 Alec Bennett Velocette 3.50.52.0 2 Harold J Willis Velocette 67.16 3.56.00.0 3 Kenneth Twemlow DOT 66.67 4.08.57.0 4 Syd Crabtree Excelsior 63.16 4.10.57.0 5 Freddie Hicks Velocette 63.11 4.11.09.0 6 George Reynard Royal Enfield 62.9 4.12.00.0 7 Cecil Ashby Raleigh 62.2 4.15.19.0 8 Sidney Jackson Montgomery 61.8 4.16.13.0 9 Bernard Laurence Hieatt Cotton 61.3 4.18.34.0 10 Chris Tattersall DOT 60.7 4.21.00.0
Lightweight TT (250cc) Rank Rider Team Speed Time 1 Frank Longman OK-Supreme 62.9 mph 4.11.59.0 2 C S Barrow Royal Enfield 58.92 4.29.01.0 3 Edwin Twemlow DOT 58.83 4.29.26.0 4 George Himing OK-Supreme 58.4 4.31.30.0 5 Cecil Ashby OK Supreme 57.9 4.33.31.0 6 Vic Anstice OK Supreme 57.7 4.34.31.0 7 Sammy Jones New Imperial 57.1 4.37.38.0 8 Jock Porter New Gerrard 56.8 4.39.15.0 9 Sid Gleave New Imperial 56.4 4.41.17.0 10 Gordon Burney Royal Enfield 55.6 4.45.12.0
External links Detailed race results Isle of Man TT winners Mountain Course map