; ▁in ▁the ▁past , ▁only ▁a ▁certain ▁number ▁of ▁results ▁were ▁counted . ▁ ▁Phil ▁Read ▁and ▁Max ▁Bi aggi ▁have ▁won ▁the ▁most ▁champion ships , ▁with ▁four ▁each . ▁D ani ▁Ped ros a ▁is ▁the ▁young est ▁to ▁win ▁the ▁championship ; ▁he ▁was ▁ 1 9 ▁years ▁and ▁ 1 8 ▁days ▁old ▁when ▁he ▁won ▁the ▁championship ▁in ▁ 2 0 0 4 . ▁Italian ▁rid ers ▁have ▁won ▁the ▁most ▁champion ships ; ▁ 1 3 ▁rid ers ▁have ▁won ▁a ▁total ▁of ▁ 2 2 ▁champion ships . ▁R iders ▁from ▁Great ▁Britain ▁have ▁won ▁the ▁second ▁most ; ▁four ▁rid ers ▁have ▁won ▁a ▁total ▁of ▁nine ▁champion ships . ▁Germ ans ▁have ▁won ▁the ▁third ▁most , ▁as ▁four ▁rid ers ▁have ▁won ▁a ▁total ▁of ▁seven ▁champion ships . ▁Bruno ▁R uff o ▁won ▁the ▁inaug ural ▁championship ▁in ▁ 1 9 4 9 . ▁H iro sh i ▁A oy ama ▁was ▁the ▁last ▁r ider ▁to ▁win ▁the ▁ 2 5 0 cc ▁championship ▁in ▁ 2 0 0 9 . ▁T oni ▁El ías ▁was ▁the ▁first ▁champion ▁of ▁the ▁M oto 2 ▁category . ▁Francesco ▁B agna ia ▁is ▁the ▁current ▁champion . ▁ ▁Champions ▁▁ ▁The ▁" Se ason " ▁column ▁refers ▁to ▁the ▁season ▁the ▁competition ▁was ▁held , ▁and ▁w ik il inks ▁to ▁the ▁article ▁about ▁that ▁season . ▁ ▁The ▁" M argin " ▁column ▁refers ▁to ▁the ▁margin ▁of ▁points ▁by ▁which