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IAAF rules note that shoes can't confer an "unfair assistance or Nike Air Max 270 Womens advantage" and have to be "reasonably available" to everyone. But the group doesn't define what constitutes an "unfair advantage" or how "reasonably available" gets determined."It's a bit of a distraction Nike Air Max 720 Womens to our sport right now. It's hard to really just celebrate performances at face value right now," Sara Hall, an Asics-sponsored runner and Ryan Hall's wife, told Outside Online. "So I think it would Nike Air Max 90 Womens Pink help to have some limits, just like other sports have, like Adidas Superstar Femme swimming, or triathlon, or cycling. They all have limits of the gear. So I think that would help create more of an even playing field."

Desiree Nike Air Max 90 Womens Blue Linden, a Brooks-sponsored runner who won the www.abuelorullo.es Boston Marathon in 2018, also said she'd like to see more rules about footwear."It's an arms race and it should be a footrace," she told Outside Online. "We should find out who the best athlete Nike Air Max 95 Femme is, who can cover 26.2 miles better than the other person, not who has the newest, greatest technology."