The Season 4 Calendar for the Thunder Enduro was picked by the admin team.  It again includes eleven rounds, with a support race at each, which will be part of the aptly titled Support Championship.

​

Round 1 every car will have the base Pi of 770.  At round 6 the race will be over two heats, one with all at 770Pi. the other at the Pi's for Round 5.  The final round will see a staggered Pi for the top 6 in the Championship.

​

New circuits to the series are Prague and Rio, with Watkins Glen and Road Atlanta returning, as requested by members of the series.  New support races, include the Ford Escort Challenge, the Mini 7s, and the Nissan Dukes, with a return to the support bill for the TORC Touring Cars, and the Media Day Fiat Abrath's.  Silverstone will be the first night race, whilst Circuit of the America plays host to the 2 heat middle round.