Eee lads, lads! Life used to me so much simpler. There was only one choice to Make. Walsh PB trainers or PB Racers. Trainers for , well, training or longer runs when more cushioning was needed and racers for, well, racing! All these johnny-come-lately brands have just muddied the waters! Take a look at race times from 30 years ago and now. Have speeds gone up because of newer 'better' shoes. Have they heck! KISS!