original: the race culminates with 750m on the smooth concrete of the large outdoor velodrome in roubaix .
simplifications: the race ends with 750m on the smooth concrete of the large outdoor cycling arena in roubaix . the race ends with 750m left on the smooth concrete of the outdoor velodrome in roubaix . the race culminates with 750m on the smooth concrete of the large outdoor . 1 . the race reaches a high of 750m on the smooth concrete of the large outdoor arena in roubaix . the race ends with 750m on the smooth concrete of the outdoor roubaix velodrome . the race concludes with 750m on the smooth concrete ofthe large outdoor velodrome in roubaix . the race ended with 750m on the smooth concrete of the large outdoor veldrome in roubaix . 1 . the race finishes with 750m on the smooth concrete of the large outdoor velodrome in roubaix .