Google Calendar
Google is sprucing up their Calendar illustrations even more from today, announcing the addition of 22 new sports related pictures that will grace your entries if they match your sports.

Google added illustrations to Calendar in November 2014, and has been adding more in as requried. With the Olympics starting this week, there’s a timely update with Google adding a number of sports including Fencing, Rowing, Karate, Field Hockey, Volleyball, Rythmic Gymnastics and Golf.
Sports illustrations in Google Calendar

You shouldn’t need to do anything to get the new illustrations but they’re not quite showing up in the Schedule view yet, still if you’ve got a regular Karate Practice session you can now get an illustration to match.

Google Calendar
Google Calendar
Developer: Google LLC
Price: Free
Source: +Gmail.