RACING TEAM Assembling Our Racing Team for 2024 & 2025 Hillingdon ClockwiseHillingdon Clockwise, a 1.26km circuit, 0m elevation gain, -0.1% avg grade. Elevates from 22m to 29m, 7m difference.Distance1.26kmElevation Gain0mAvg Grade-0.1%Lowest Elev22mHighest Elev29mElev Difference7m Last Updated March 28, 2024