split the difference and go for 3:35 if you're doing well you'll likely trend towards 3:30 if not you'll find you drop to 3:40 by the end.
@HatBeard started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
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split the difference and go for 3:35 if you're doing well you'll likely trend towards 3:30 if not you'll find you drop to 3:40 by the end.