The Rotax Max karting challenge will descend on Port Elizabeth‘s Aldo Sribante kart circuit on Saturday June 29 for the second round of the 2013 SA National championship The hardest-fought races continue to be the 60cc Primary School Maxterinos for 8 to 13 year-olds. A highly competitive 16-kart field will take to the track Saturday. Northern Regions drivers Stuart White (Zanardi), Dillon van Vuuren and Neha Harpal (CRG) will face an onslaught from the Cape including JP Hamman (Zanardi), Dario Busi (TonyKart), Giordano Lupini (TonyKart), Charl Visser (Zanardi), Tyler Croy (TopKart) and Jason Coetzee (Zanardi). Other contenders are Chayse Augustus (Zanardi) and Tristan Losch (Zanardi), as well as PE locals Cameron Kelly (Birel) and Joshua Coertze (Zanardi).JUNIOR MAX CLASS The High School 125cc Junior Max class will have some of the best upcoming talent, including Gauteng CRG driver Shayur Harpal who leads the Asia Pacific Formula BMW championship and KZN’s Mini Rok kart World champion Clinton Bezuidenhout (CRG). Joining them are drivers Keagan Masters (TonyKart) and Bradley Liebenberg (Birel), Umpie Swart (Birel), Kohen Bam (Zanardi) and Delano Fowler (Zanardi) from the Cape and Jeandre Marais (Zanardi). Another hard fought class is the open 125cc Senior Max where Cape drivers Luke Herring (Zanardi), Junior Max champion Eugene Deneyssen (TonyKart), Jonathan Aberdein (TonyKart) and Hylton Pieters (CRG) take on Gauteng drivers Ricky Hill (TonyKart), Chad van Beurden (Birel), Wesley Vosloo (TonyKart) and KZN driver Richard Upton (Intrepid). DD2 MASTERSIn the Max Challenge are the DD2 gearbox machines with the likes of Luca Canderle (Intrepid), Nick Verheul (CRG) and Ryan Frost (Birel) from Gauteng take on Luke van Rensburg (Zanardi) from Cape Town. The DD2 Masters count for a separate championship for older drivers, where Cape men and TonyKart team mates Lourens Van Rensburg and Jason Plumby, and Connor Hughes (TonyKart) take on KZN driver Richard van Heerde and Gauteng man John van Wyk (CRG). The Junior Max, Senior Max and DD2 champions, at the end of the SA season, win a seat in the Rotax Max World Finals in New Orleans, USA. The action commences with open practice Thursday, official practice Friday and qualifying Saturday morning before each class has four races.