If the verification can't be successfully reached your side, there are following possibilities:
1. The account may be not within the right format, maybe you can try another account and try again.
2. The e-mail with verification may have been put in your junk inbox, maybe you can double check it.
If the following tips can't work, pls try to provide us the account and we would check it at our side.
You may also try to login via strava ID or apple account directly.