Why couldn’t Jerry figure out Kate Grace and the 800? Training Advice/Discussion Report Thread Your Name Obviously 5k-10k Jerry is one of the best coaches in the world. He’s even had some superb 1500 runners. But why did Kate have poor results for 5 years. Then after 6 months with a new coach runs a 1.5 second PR for a diamond league win. Then comes back several days later and PRs again. Does Bowerman just have a system and if you don’t fit into that style of training your SOL? Tough Cookie scrambled eggs wrote: Obviously 5k-10k Jerry is one of the best coaches in the world. He’s even had some superb 1500 runners. But why did Kate have poor results for 5 years. Then after 6 months with a new coach runs a 1.5 second PR for a diamond league win. Then comes back several days later and PRs again.