I've been running for years and my parkrun PB is just over 25 minutes, but I am also very overweight. I think, after a few weeks of Couch to 5K, getting anythi

I've been running for years and my parkrun PB is just over 25 minutes, but I am also very overweight. I think, after a few weeks of Couch to 5K, getting anything under 35 minutes would be a big achievement.