60 seconds is indeed a good time.
How fast should I run 400m repeats?
Run 3 x 400m repeats at 2-3 seconds faster per 400m than your goal 5K pace with 200m jog between. Jog 400m after the third repetition before the final set. Example: For a 17:00 5K (5:28 per mile), the goal would be 79-80 seconds per 400m.
How many 400m repeats should I do?
How do you implement 400m repeats into your own training? Alex suggests to build gradually – “Start with a more modest workout like 10 × 400, and do the workout every week or two, adding on two to four repeats each consecutive time. Plan to hit 20 × 400 four to six weeks before your goal race.
What is the best way to run a 400m?
5:0018:18How to Run the 400 Meter Race - YouTubeYouTube