https://www.garmin.com/en-US/blog/fitness/march-monthly-garmin-connect-badge-challenges/ -“Record 400,000 steps from March 1–March 31 to earn 150 Stars to be added to your Starbucks® Rewards account, redeemable for a free handcrafted beverage or food item of your choice at participating Starbucks stores”
Once you download the app follow these steps to join the challenge:
Open the Garmin Connect mobile application.
Navigate to “More.”
Select “Challenges.”
View challenges and select the “Join Now” button to opt into a monthly challenge.
Follow the instructions on how to earn the challenge badge.
They have limited spots available.