![Grand National 2014: Humans beating horses in race to get faster](/img/di/grand-national-2014-humans-beating-horses-in-race-to-get-faster-4.jpg)
Grand National 2014: Humans beating horses in race to get faster
Anyone placing an each-way bet will keep an eye on the top five. Racing enthusiasts will note the winning jockey, trainer, owner and starting price. Most of us will not know, or care, about the winning time.
Yet this masks a big question for horse racing. While almost every record in athletics has been broken repeatedly over the past 50 years,…