Tap the search bar at the top of your diary and ensure EXERCISE is highlighted at the top.
Type in the exercise and select from the search results.
Enter the duration and tap ADD TO DIARY.
On the website
Either use the Exercise Categories or click the search bar under the Add Exercise panel on the left hand side to type in your exercise and click the green Go button.
Select your exercise from the results and click the green Add button to the right of the correct duration to add to your diary.