race             length          class                         circuit                   date
0                        rolex 24 at daytona           24 hours            all  daytona international speedway  february 3 february 4
1         exxon superflo 12 hours of sebring           12 hours            all   sebring international raceway               march 17
2   advance auto parts grand prix of atlanta         40 minutes        gts - 2                    road atlanta               april 21
3   advance auto parts grand prix of atlanta            3 hours  wsc / gts - 1                    road atlanta               april 21
4                exxon superflo 500 at texas          500 miles            all            texas world speedway                  may 5
5               the dodge dealers grand prix             1 hour        gts - 2                  lime rock park                 may 27
6               the dodge dealers grand prix  1 hour 45 minutes  wsc / gts - 1                  lime rock park                 may 27
7          first union six hours at the glen          six hours            all      watkins glen international                 june 9
8              toshiba california grand prix         45 minutes        gts - 2             sears point raceway                july 14
9              toshiba california grand prix            3 hours  wsc / gts - 1             sears point raceway                july 14
10                      chrysler mosport 500            3 hours            all   mosport international raceway              august 25
11               sprint grand prix of dallas         45 minutes        gts - 2           dallas street circuit            september 1
12               sprint grand prix of dallas            2 hours  wsc / gts - 1           dallas street circuit            september 1
13                       daytona imsa finale            3 hours            all  daytona international speedway              october 6

Table as JSON:
{"race":{"0":"rolex 24 at daytona","1":"exxon superflo 12 hours of sebring","2":"advance auto parts grand prix of atlanta","3":"advance auto parts grand prix of atlanta","4":"exxon superflo 500 at texas","5":"the dodge dealers grand prix","6":"the dodge dealers grand prix","7":"first union six hours at the glen","8":"toshiba california grand prix","9":"toshiba california grand prix","10":"chrysler mosport 500","11":"sprint grand prix of dallas","12":"sprint grand prix of dallas","13":"daytona imsa finale"},"length":{"0":"24 hours","1":"12 hours","2":"40 minutes","3":"3 hours","4":"500 miles","5":"1 hour","6":"1 hour 45 minutes","7":"six hours","8":"45 minutes","9":"3 hours","10":"3 hours","11":"45 minutes","12":"2 hours","13":"3 hours"},"class":{"0":"all","1":"all","2":"gts - 2","3":"wsc \/ gts - 1","4":"all","5":"gts - 2","6":"wsc \/ gts - 1","7":"all","8":"gts - 2","9":"wsc \/ gts - 1","10":"all","11":"gts - 2","12":"wsc \/ gts - 1","13":"all"},"circuit":{"0":"daytona international speedway","1":"sebring international raceway","2":"road atlanta","3":"road atlanta","4":"texas world speedway","5":"lime rock park","6":"lime rock park","7":"watkins glen international","8":"sears point raceway","9":"sears point raceway","10":"mosport international raceway","11":"dallas street circuit","12":"dallas street circuit","13":"daytona international speedway"},"date":{"0":"february 3 february 4","1":"march 17","2":"april 21","3":"april 21","4":"may 5","5":"may 27","6":"may 27","7":"june 9","8":"july 14","9":"july 14","10":"august 25","11":"september 1","12":"september 1","13":"october 6"}}