Should you run a negative split?

London Marathon Mass

I’ve been contemplating how to run the London Marathon in 2 weeks time. In my research, it’s come up a few times that I should run a negative split.

  • A negative split is running the second half of a race faster than the first
  • A positive split is the opposite – a faster first half of a race faster than the second
  • An even split is run both halves at the same pace.

My current plan for the London Marathon is to do 9 min/miles and come in under 4 hours. If I’m honest, I’m probably going to go off a little quicker, bank some minutes and then if I slow down, I’ve hopefully got something in the bag, so to say. Therefore, run a positive split. Continue reading “Should you run a negative split?”