fitness trackers This wearable hydration sensor tracks your sweat loss as you exercise, and will soon sync with your Garmin watch The FLOWBIO S1 measures water and sodium losses in real-time Sennheiser's new sports headphones track your heart rate and body temperature while you run to the beat The Sennheiser Momentum Sport earbuds also offer adaptive active noise cancellation for noisy gyms AllTrails pledges to plant a tree for every user who hikes for an hour this weekend The popular global hiking tracking app goes green in a big way Latest fitness trackers news Heart rate zones explained – and how to use them to reach your running goals By Julia Clarke published 27 March 22 In heart rate zones explained, we outline the five heart rate zones, what’s happening in your body in each zone and how to use them in your training Trail running 123Archives Advnture NewsletterAll the latest inspiration, tips and guides to help you plan your next Advnture!Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors MOST READ1Mighty Garmin Fenix 7X Solar now even cheaper than on Black Friday, with over £300 off2California tourist learns the hard way: sea lions are cute, but they're not your friends3Are you accidentally ruining your running shoes? What the experts say4Crocs and Marmot team up to put a new twist on an old-school hiking shoe5The North Face Verto Gore-Tex Alpine Mid Boots review: rugged protection for scaling rock
Heart rate zones explained – and how to use them to reach your running goals By Julia Clarke published 27 March 22 In heart rate zones explained, we outline the five heart rate zones, what’s happening in your body in each zone and how to use them in your training