Did you join the challenge?
Exactly how far did you run? It is very important that is was at least 5000 meters. If you measure in miles it is easy to run too short. 3.1 miles is too short since 5 km is ~3.10685596 miles
Try editing your activity and see if that helps.
Joined challenge. Ran 3.16 miles. Just like many before. No badge.
Did you test to edit the activity?
Post a link to your activity and make it public so can we have a look at it.
I ran 11 miles on 9/11 and I don’t have the badge either.
