Your activity page is a centralized location for your personal workout information. Navigate to your profile by tapping the profile button (image of a person) on the bottom of the app
Editing your Profile
Tapping the Edit button at the top-right of the screen (1) will allow you to edit your profile to modify your personal information including your profile picture and default activity type; just remember to tap Save in the top-right corner when you finish (2).
Finding and Inviting Friends
From your profile page, tap the Find Athletes icon (3) to search for new athletes - you can view a list of suggested athletes, search for Facebook friends that are already on Strava, search by athlete name, or invite new users to join Strava with their email address. When you find a new athlete you want to follow, just tap the orange 'Add Follower' icon next to their name or on their profile page.
For more information on finding and inviting friends on mobile, see this article.
Viewing your Followers and the Athletes Following you
You can view the athletes you are following and the athletes following you by selecting the respective buttons (4). If at any time you wish to remove someone as one of your followers, simply visit your list of Followers and swipe their name to the left - then tap 'Remove' (5). To stop following someone, from that user's profile page or your own list of athletes you follow, tap the "following" icon and select Unfollow (6).
Progress goals are a premium feature
Setting a goal: To set a goal, tap on the pencil and select distance or time (7). From there, you can select a value. Once a goal has been set, you can view your goal's progress on the circle graphic on your Profile page.
This week: See your distance for the week as well as the relative progress day by day on a Monday – Sunday schedule. If you have a time goal, Time will be represented as the big number. To view your stats for past weeks, swipe left on the 'This Week' section.
12-week trend chart: See your progress week-after-week. The maximum value on the y axis is the biggest week of the past 12. These values will be in distance unless you have set a time goal, in which case the y axis will be in time.