SHILLONG: The Adventurous Hynñiewtrep Off Roader (AHOR) 4×4 Off- Road Challenge will be held on September 5 -7 at Kharsati Park, Ri-Bhoi District. The winner will take away prize money of Rs. 2.30 lakh along with trophy and certificate. Addressing a press conference on Tuesday, president of AHOR, D.D. Umdor said the competition will accept 20-22 participants.