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VENTURE<br />
Equipment<br />
IMPROVE<br />
This trainer<br />
trains you<br />
Under Armour HOVR Machina<br />
TIM KENT TOM GUISE<br />
Bonking. For a runner, it’s<br />
the moment when they crash<br />
into a glucose-starved wall<br />
of fatigue. Observing how<br />
entrants ‘bonked’ at the<br />
2016 Boston Marathon, US<br />
sports brand Under Armour<br />
realised that understanding<br />
the phenomenon could<br />
unlock the secret to<br />
becoming a better runner.<br />
<strong>The</strong> company was<br />
uniquely positioned to tackle<br />
this challenge. In 2013, it<br />
purchased MapMyRun – a<br />
social fitness network that<br />
lets runners track sessions<br />
through a smartphone app<br />
and compare them with<br />
millions of others. <strong>The</strong>n, in<br />
2018, UA released the first<br />
HOVR Connected running<br />
shoes, fitted with sensors<br />
that measure the wearer’s<br />
cadence, pace, stride and<br />
speed and then feed those<br />
metrics to MapMyRun.<br />
<strong>The</strong> Machina is the latest<br />
evolution of the shoe. <strong>The</strong><br />
semi-caged midsole ensures<br />
flexibility while protecting<br />
the sensors. And it’s how the<br />
latter processes the data it<br />
gleans that sets these shoes<br />
apart. From studying years<br />
of running stats, UA noted<br />
clear differences between<br />
the performance of optimal<br />
and suboptimal runners.<br />
Comparing a HOVR wearer’s<br />
running style with a<br />
hypothetical best, a new<br />
‘Form Coaching’ system<br />
feeds back real-time<br />
personalised guidance,<br />
fine-tuning technique,<br />
minimising injury and<br />
gamifying their run.<br />
What did Under Armour<br />
learn? By specifically<br />
observing marathon runners<br />
(anonymously pinpointed by<br />
date, location and distance),<br />
huge clusters of comparable<br />
long-distance running data<br />
were collected. <strong>The</strong> results<br />
showed that runners with<br />
huge variance in their<br />
cadence (steps per minute)<br />
compared with stride length<br />
performed worse, while<br />
those with consistent<br />
cadence-to-stride-length<br />
ratios completed races<br />
faster and more<br />
consistently. Maintaining a<br />
stable pace, it turns out, is<br />
the key to beating the bonk.<br />
underarmour.com<br />
<strong>The</strong> Machina mixes<br />
the cushioning of a<br />
long-distance trainer<br />
and the lightness of a<br />
sprint shoe. A carbonfilled<br />
front-foot spring<br />
plate delivers energy<br />
back into each step<br />
THE RED BULLETIN 81