Provisional 2013 Le Mans Racing calendar:
16 Mar Sebring 12h ALMS
13 Apr Silverstone 3h ELMS
14 Apr Silverstone 6h WEC
20 Apr Long Beach ALMS
04 May Spa 6h WEC
18 May Imola 3h ELMS
18 May Laguna Seca ALMS
09 Jun Le Mans Test
22-23 Jun Le Mans 24h WEC
06 Jul Lime Rock ALMS
20 Jul Red Bull Ring 3h ELMS
21 Jul Mosport ALMS
04 Aug Autopia AsLMS
11 Aug Road America ALMS
31 Aug Baltimore ALMS
31 Aug Sao Paulo 6h WEC
14 Sep Hungaroring 3h ELMS
21 Sep Fuji 3h AsLMS
21 Sep Austin ALMS
22 Sep Austin 6h WEC
28 Sep Paul Ricard 3h ELMS
05 Oct Virginia ALMS
19 Oct Road Atlanta ALMS
20 Oct Fuji 6h WEC
10 Nov Shanghai 6h WEC
30 Nov Bahrain 6h WEC
08 Dec Sentul 3h AsLMS
?? ??? Zhuhai 3h AsLMS
?? ??? Shanghai 3h AsLMS
?? ??? Ordos 3h AsLMS
The only clashes are on 18 May (ELMS+ALMS), 31 Aug (WEC+ALMS), 21 Sep (ALMS+AsLMS) - not bad