race      length      class                            circuit                   date
0       24 hours of daytona    24 hours        all     daytona international speedway  february 4 february 5
1       12 hours of sebring    12 hours        all      sebring international raceway               march 18
2      6 hours of talladega     6 hours        all            talladega superspeedway                april 2
3        camel gt challenge           -        gtu                       road atlanta               april 16
4        camel gt challenge           -  gtx / gto                       road atlanta               april 16
5     monterey triple crown           -  gtx / gto                laguna seca raceway               april 30
6     monterey triple crown  45 minutes        gtu                laguna seca raceway               april 30
7        hallett grand prix      1 hour        gtu       hallett motor racing circuit                  may 7
8        hallett grand prix           -  gtx / gto       hallett motor racing circuit                  may 7
9           coca - cola 300           -  gtx / gto                     lime rock park                 may 29
10          coca - cola 300           -        gtu                     lime rock park                 may 29
11         pepsi grand prix           -        all     brainerd international raceway                june 18
12          paul revere 250           -        all     daytona international speedway                 july 4
13   sears point grand prix           -  gtx / gto  sears point international raceway                july 30
14   sears point grand prix           -        gtu  sears point international raceway                july 30
15     gi joe 's grand prix           -  gtx / gto     portland international raceway               august 6
16     gi joe 's grand prix  45 minutes        gtu     portland international raceway               august 6
17  camel gt mid - ohio 250           -        all       mid - ohio sports car course              august 27
18    arthur montgomery 100           -        gtu                       road atlanta            september 4
19    arthur montgomery 100           -  gtx / gto                       road atlanta            september 4
20     camel gt daytona 250           -        all     daytona international speedway            november 26

Table as JSON:
{"race":{"0":"24 hours of daytona","1":"12 hours of sebring","2":"6 hours of talladega","3":"camel gt challenge","4":"camel gt challenge","5":"monterey triple crown","6":"monterey triple crown","7":"hallett grand prix","8":"hallett grand prix","9":"coca - cola 300","10":"coca - cola 300","11":"pepsi grand prix","12":"paul revere 250","13":"sears point grand prix","14":"sears point grand prix","15":"gi joe 's grand prix","16":"gi joe 's grand prix","17":"camel gt mid - ohio 250","18":"arthur montgomery 100","19":"arthur montgomery 100","20":"camel gt daytona 250"},"length":{"0":"24 hours","1":"12 hours","2":"6 hours","3":"-","4":"-","5":"-","6":"45 minutes","7":"1 hour","8":"-","9":"-","10":"-","11":"-","12":"-","13":"-","14":"-","15":"-","16":"45 minutes","17":"-","18":"-","19":"-","20":"-"},"class":{"0":"all","1":"all","2":"all","3":"gtu","4":"gtx \/ gto","5":"gtx \/ gto","6":"gtu","7":"gtu","8":"gtx \/ gto","9":"gtx \/ gto","10":"gtu","11":"all","12":"all","13":"gtx \/ gto","14":"gtu","15":"gtx \/ gto","16":"gtu","17":"all","18":"gtu","19":"gtx \/ gto","20":"all"},"circuit":{"0":"daytona international speedway","1":"sebring international raceway","2":"talladega superspeedway","3":"road atlanta","4":"road atlanta","5":"laguna seca raceway","6":"laguna seca raceway","7":"hallett motor racing circuit","8":"hallett motor racing circuit","9":"lime rock park","10":"lime rock park","11":"brainerd international raceway","12":"daytona international speedway","13":"sears point international raceway","14":"sears point international raceway","15":"portland international raceway","16":"portland international raceway","17":"mid - ohio sports car course","18":"road atlanta","19":"road atlanta","20":"daytona international speedway"},"date":{"0":"february 4 february 5","1":"march 18","2":"april 2","3":"april 16","4":"april 16","5":"april 30","6":"april 30","7":"may 7","8":"may 7","9":"may 29","10":"may 29","11":"june 18","12":"july 4","13":"july 30","14":"july 30","15":"august 6","16":"august 6","17":"august 27","18":"september 4","19":"september 4","20":"november 26"}}