10. Suzuka 4 Hour

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You know all about the 8-hour race, but did you know there’s also a Suzuka 4 Hour? You’re excused if you didn’t – many on the MO staff didn’t know either. It’s a race for Supersport machines instead of the liter-class Superbikes and it runs on the same weekend as the main 8-hour race. Other than the smaller displacement, another difference is the lack of tire changes; each team must use the same set of tires for the entire race. There’s a mixed bag of riders who compete, from young teenage hotshots looking to move up, to semi-retired veterans who still want to exercise their competitive juices every now and then. Close to 80 entries took part this year, including one very special team that occupies the next spot on this list.