Submit a fastest known time

Fill in the following online form: https://docs.google.com/forms/d/e/1FAIpQLSeTrlt5VmqXJowysAh_G7ZLJg9-m_lbOwVlxbs0aoHl9Wlb1A/viewform?usp=sf_link

This is how to export your run as a GPX file on Strava

This is how to export your run as a GPX file on Garmin Connect