WEIGHT

Runner's World South Africa - - HUMAN RACE -

Some run­ners care a lot about weight, and re­search shows that you ex­pend more aer­o­bic en­ergy with heav­ier shoes. To put it into con­text, the heav­i­est shoe in this guide is 340 grams (Vivobarefoot Primus Swimrun) for men, and 348 grams (Olympic Ram­ble Ladies) for women. The light­est is 227 grams for men and 198 grams for women (Altra Duo).

198g LIGHT­EST 348g HEAV­I­EST

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