The entity data model (EDM) specifies the conceptual model (CSDL) of the data, using a modelling technique that is itself called Entity Data Model, an extended version of the Entity-Relationship model. The data model primarily describes the Entities and the Associations they participate in.
1 This 30-minute interval workout is a great way to start increasing your speed. 2  Mix up your routine with a sprinting and walking workout to help boost your endurance. 3  Then, once you're ready for a tough challenge, give this 60-minute interval workout a try.
Here's an example of a good speed-form workout: 8 x 400 meters at speed-form pace with 3 to 4 minutes of recovery jogging between repeats. You should do speed-form workouts no more than once a week, and they should make up no more than 4 to 8 percent of your total training.