Guinness Book of Records sagt:
The highest race speed recorded over two furlongs is 70.76 km/h (43.97 mph)
Die Amerikaner sagen:
The peak speed of a galloping horse is about 90 km/h (25 m/s)
Wikipedia sagt:
The average speed of a Thoroughbred horse is 63 km (39 mph)
Allexperts.com sagt:
... This stated that the fastest speed recorded for a racehorse is 43 m.p.h. (69 km.p.h)