There are 4 main basic rules of fast running 400 meters.
1. Making stamina for running fast 400 meters.
2. Do upper body strength exercise.
3. Make a strategy of running fast first 200 meter and then hard and then again fast to complete it.
4. Motivation from me, I have run 400 meters fastly and show it you live in this video.
This training is for
1. Cross 400 Meters within 1 minute
2. To making running stamina
3. For becoming professional runner.
If you want to get personal training for fast running, please call me at my whatsapp mobile no. 9356234925