Dear Garmin Team
How about adding altitude cycling challenges instead of distance/time only?
After a few weeks, the challenges become somewhat repetitive and less tempting. It feels that altitude cycling challenges could spice it up.
Ideas: 1000 meters of altitude on a single day; 2000 meters of altitude on a single weekend; 4000 meters of altitude in a month's time, etc.
Enjoy your day and your next ride.
Cheers