![Representing a Nation on TV, and a Running Team on Instagram Representing a Nation on TV, and a Running Team on Instagram](https://static01.nyt.com/images/2022/07/24/sports/24WORLDS-RUNNNG-CLUBS/merlin_210463182_93dcbfd8-d34b-41a9-b682-21510c40c9e1-facebookJumbo.jpg)
Representing a Nation on TV, and a Running Team on Instagram
At the track and field world championships, distance runners compete on behalf of their countries. What’s less visible to the average fan is that most are also competing for their shoe company sponsors, which largely provide the funding that…