For example, if you'd lose one litre of fluid during a 60-minute run, you should aim to drink around 250ml every 15 minutes to keep optimally hydrated. They can get in the way – as running belts are larger and you'll likely be carrying more items in them, they can prove more cumbersome, especially if you're sprinting or running on inclines.

Phone Holder Vest | Chest Pouch | Train Runitude Running Phone Holder Vest | Chest Pouch | Train

I’ve used a variety of running belts and they’re a good option if you don’t like wearing an armband. For the traditionalists reading this article, we’ve included an armband option in our roundup on the best phone holders for runners.

Unlike many standard phone armbands, this running armband grips your phone with a series of elastic bands. The benefit of this is that it can hold pretty much any smartphone up to 6.5in, while also giving you better access to your phone while you’re out on your run.

Phone Chest Mount Harness for POV Videos Buddy Gears Patented Phone Chest Mount Harness for POV Videos

If you’re like me, you may use your phone so you can listen to some adrenalin-inducing tunes or an inspiring audiobook or podcast. We found it comfortable on bare skin and despite a little wobbling it stayed firmly in place. Over clothing we found it average, though, as it was more prone to sliding down during use.The most common phone holder for running is the phone armband. It’s also the most affordable, lightweight and, arguably, the most convenient. Most of these fasten round the upper arm with velcro and are big enough to hold your phone, but not much else. We sprayed each armband 15 times with a spray bottle to simulate the sort of water exposure you might face when out in the rain and were pleased to find that almost all of them protected the phone from getting wet. Adding some utilitarian appeal to your workout ‘fits, Represent’s 247 chest rig is much more than aesthetic gains." - GQ Magazine