Shalane Flanagan is an Olympic medalist and an accomplished distance runner, but she made herself a legend in the five boroughs in 2017 after becoming the first U.S. woman to win the New York City Marathon in 40 years. Now she’s helping Mastercard and its small business partners stay ahead of the pack. The New… https://www.adweek.com/brand-marketing/mastercard-runs-with-small-businesses-new-york-city-marathon/