 Despite cement dust on the road at Guthrie's Memorial and at Sarah's Cottage and also some low cloud on the higher sections of the Mountain Section of the course, John McGuinness completed lap 1 in a time of 17 minutes 25.77 seconds at an average speed of 129.883 mph of the 2007 Isle of Man Senior TT race and led Guy Martin in 2nd place, also riding a Honda by 10 seconds and in 3rd place Ian Hutchinson with an average speed of 128.414 mph.Although the time for lap 1 of the Senior TT was only 4.5 seconds short of an average speed of 130 mph, John McGuinness completed the second lap at a faster pace and lapped in 17 minutes, 21.99 seconds at an average speed of 130.354 mph to finally break the 130 mph speed barrier setting a new class and TT Course outright lap record.With a pit stop at the end of lap 2, John McGuinness extended his lead over Guy Martin to 20.5 seconds at Glen Helen on lap 3.