Chennai, Oct 30 (UNI) Pune’s Sarthak Chavan marked his 20th birthday by qualifying for pole position with a record lap in the premier Super Sport 301-400cc Open class to launch his campaign in the third round of the MRF Indian National Racing Challenge 2W 2026 in style at the Madras International Circuit at Irungattukottai, about 40 km from here, on Friday.