Kieran is a freelance writer and editor working in the space where health, fitness, sports and technology collide. He covers everything from virtual reality and smart scales to the latest wearable health trackers. Kieran is also a borderline-obsessed runner and is passionate about using the latest technology to hack his health in search of marginal gains.
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I ran on the world’s most advanced treadmill – and it was an experience!What is it like to run on the world’s first 3D motion treadmill?
By Kieran Alger Published
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I took the Apple Watch Ultra to run the world's oldest ultramarathonVersus Apple Watch Ultra vs Comrades Ultramarathon – the results are in
By Kieran Alger Published
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I ran 30 ultramarathons and these are 10 things I can't live withoutThe running kit essentials I'd recommend you take with you to conquer an ultra marathon
By Kieran Alger Published
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HOKA Rocket X 2 review: Pedal to the metalHOKA’s punchy carbon contender packs versatility and value
By Kieran Alger Published
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Some like it firm: Under Armour Velociti Elite reviewDespite being built for bossing marathons, the UA Velociti Elite performs best at racing shorter distances
By Kieran Alger Published
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Good but not yet great: Tracksmith Eliot Runner reviewThe Eliot is a strong debut for a stylish daily trainer from the New England brand Tracksmith
By Kieran Alger Published
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Minor upgrades, same winning trail shoes: Inov-8 Trailfly G270 V2 reviewThe award-winning trail racer is back, and it’s the same but better
By Kieran Alger Published
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HOKA Challenger 7 review: Cushioned and reliable road-to-trail cruiserCan HOKA’s plush jack-of-all Challenger 7 handle all your road-to-trail needs?
By Kieran Alger Published
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Altra Via Olympus review: Max-stack styling, not quite max comfortIf you like a firmer, denser midsole tacked onto one of the comfiest uppers going, then you’ll love the Altra Via Olympus
By Kieran Alger Published
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Adidas Adizero Prime X Strung review: Fast and efficient Nike Alphafly 2 rivalsThis is the Adidas carbon race shoe we’ve all been waiting for
By Kieran Alger Published
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Saucony Endorphin Elite review – It's fast, but can it de-throne the record-breaking Nike Alphafly?Saucony’s latest carbon shoes are built for chasing (and breaking) records
By Kieran Alger Published
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Nike Free X Metcon 2 review: versatile trainer for gym freaks and workout addictsA stable platform for lifting weights and bossing circuits makes Nike Free X Metcon 2 best in (gym) class
By Kieran Alger Last updated
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The future of running? Adidas and Nike both want to 3D print your trainersOur running expert thinks you’ll soon be lacing up made-to-measure, 3D printed athletic shoes
By Kieran Alger Last updated
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Adidas UltraBOOST 19 (2019) review: comfy and springy but not one for speed freaksThe Adidas UltraBOOST 19 is an impressive update to the world's favourite running shoe
By Kieran Alger Published
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ASICS MetaRide review (first run verdict): a running shoe that's ahead of the curveOutrageously curved ASICS MetaRide is here to help you run longer
By Kieran Alger Published
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On Cloudrush review: the best running shoe for more advanced runnersSwiss-made running wizardry with a shoe that's aimed at regular runners but which will benefit just about anyone
By Kieran Alger Published
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Apple GymKit: what you need to knowSadly, it's not a range of sports vests. GymKit is a handy way to drag info from your favourite gym machines. Here's what we love about it, and what needs to improve
By Kieran Alger Published
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Garmin Vivoactive: GPS fitness tracker with a side order of smartwatchThis smartwatch/fitness-band hybrid is a jack of all trades and a master of… Well, let's find out, eh?
By Kieran Alger Published
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Garmin Forerunner 225 review: the leader of the running watch pack?Garmin’s running watch measures your heart rate and hits the right beats
By Kieran Alger Published
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Jawbone UP2 review: like the UP3 but cheaperLook good in the day, track every detail during the night with this step-and-sleep lifestyle tracker
By Kieran Alger Published
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Jawbone UP3 review: is this attractive lifestyle band a worthy rival to Fitbit Charge HR?Stylish and packed with sensory tech, but does the Jawbone UP3 justify its relatively high price?
By Kieran Alger Published
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Withings Activité and Activité Pop review: meet the fitness tracker rat packDo these stylish analogue watches/step counters/sleep trackers actually work, as well as looking sexy?
By Kieran Alger Published
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Best Endurance Running Kit: gear that helps you be the bestTech to help you go lighter, faster and further
By Kieran Alger Published
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The facts they don't want you to know about fitness trackers and how to get more out of themHow step-counting fitness bands don’t reveal the whole truth about your health
By Kieran Alger Published

