To complete this challenge, you are required to run a marathon at least 3 times during the calendar year 2020 (Jan 1st to Dec 31st), or about once every 4 months. You will be classified as a Gold, Silver, or Bronze finisher based on the number of marathon runs completed successfully in the year.
HDOR Marathon Challenge is part of our 2020 Distance Challenges.
You can record and submit your run using Strava, Endomondo, MapMyRun, Runkeeper, Garmin Connect, TomTom Sports, Fitbit or Apple Watch, in fact any other mobile app which supports sharing your run data as a public GPS activity link.
We also support automatic data import from Strava. If you use any other mobile app or device which can export app data to your Strava account, manual data submit is not required.