1921 Isle of Man TT
Senior 500 cc Race

Pos
Rider
Machine
Time
Speed
Laps
1
United Kingdom Howard R Davies
AJS
4.09.22
54.49 mph (87.69 km/h)
6
2
United Kingdom Freddie W Dixon
Indian
4.11.25
54.02 mph (86.94 km/h)
6
3
United Kingdom Bert le Vack
Indian
4.12.06
53.91 mph (86.76 km/h)
6

Question: Who won the 1921 Isle of Man TT Senior race and by how much compared to the second and third place?
Answer: The 1921 Isle of Man TT Senior race was won by Howard Davies, by a margin of 2 minutes and 3 seconds from Freddie Dixon, and Bert Le Vack, in 4 hours, 9 minutes and 22 seconds, at a speed of 54.49 mph (87.69 km/h).