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Jamie Harley

Sports Scientist


Jamie Harley, Sports Scientist at Newcastle United FC of the English Premier League, is one of the most advanced data-driven individuals in his profession. 
Using Catapult comprehensively in real time, using an iPhone during training sessions, and leading towards every match, Jamie can’t imagine a time when the technology won’t be a valuable tool used in every training.

“I can’t see a time, certainly at  Newcastle United, that we wouldn’t use the system.

“It’s become such a key part in what we do at training, the equipment is just part of the kit that the players wear. They’ll put the shorts and t-shirt on, they’ll put the GPS and the heart rate monitor on, and then they’ll get the shin pads and the boots on. It’s just part of the kit.”

Often a source of knowledge for people new to athlete tracking technology, Jamie has become adept at explaining what each of his players is wearing and what effect it has on his day-to-day workload.

“The Catapult GPS devices themselves are very very small devices that sit in between the shoulder blades in a vest that the players wear. 

“So typically on a daily basis, we’ll look at how far the players run in terms of overall distance. We then look more in to detail for every individual, the maximum speeds we’re asking them to achieve in a session.

“We might want players to restrict the speeds they’re going at in sessions, and we’ll obviously look at that quite closely. We then look at things like high intensity running and then a factor of football being so multi-directional is “What we’re able to do is map the whole training week to what’s happening on a match day. Now, when we’ve had the most positive physical performances in games we’re then able to build up what works for each individual player, what’s their best preparation for a game.

“Again, we then just try to replicate those weeks - we call them micro- cycles - replicate those micro-cycles leading in to a game so that we’re in peak physical condition for the Saturday.”

Monitoring those micro-cycles are instrumental in better understanding what has led up to an injury, then breaking that down to better understand it.

“Every time we’ve picked up an injury over the last few years, we’ve mapped exactly what that player’s done leading to the injury. If there are any patterns that have come about, and there have been some patterns to pick out from their physical loads picked up from the Catapult devices, we then just try to obviously avoid that situation happening again in the future.

“Everything is tracked using the Catapult devices, as soon as they start their rehab process right through to their return to play.

Why did Jamie choose Catapult? “We chose Catapult because for me, I’ve done a lot of research in to the different devices of GPS units and I’ve always been very very satisfied about the accuracy and reliability of the Catapult devices.

“I would highly recommend Catapult both from a hardware and software point of view, from their technology, and from the point of view of the company that you’re dealing with. I think it’s important to have a good working relationship and Catapult have always been first class.

“It’s just testament that you’ll see every Premiership and most Championship clubs, going down the levels, using the technology on a day-to-day basis. And the reason is it really gives you a positive affect on what you’re doing on the training pitch.”