Weird race riddle can someone help me solve it? It involves 2 conditions in a race

[Woooot1]

and we need to solve it.? you are in a weird race where there are two rules:1. run half the distance of the race at speed 1 and the other half at speed 2
2. run for half the time at speed 1 and the other half at speed 2
condition: speed 1 cannot equal speed 2
solve without plugging in numbers
Which method is faster