I'm a big fan of monitoring the amount of vertical meters climbed for the week. It's a number that's important if you are a recreational rider that's riding hilly events... Especially if you are riding some of these epic events in Europe this year. It's also a very important number if you are now transitioning into road racing. While climbing is not a important part of criterium racing it's still a great way to improve your strength and VO2MAX values. So even if you are spending this road season just doing the flatter criterium racing make hills your friend and use them to build strength, power and improve your VO2MAX.