▁national ▁champion ships ▁for ▁the ▁sport . ▁In ▁years ▁which ▁feature ▁a ▁World ▁Ind oor ▁Championships ▁in ▁Athletics , ▁the ▁champion ships ▁serve ▁as ▁a ▁way ▁of ▁selecting ▁the ▁best ▁athlet es ▁for ▁those ▁compet itions . ▁ ▁Ed itions ▁ ▁US AT F ▁era ▁ ▁T AC ▁era ▁ ▁AA U ▁combined ▁gender ▁era ▁ ▁AA U ▁split ▁gender ▁era ▁ ▁Events ▁The ▁following ▁athlet ics ▁events ▁feature ▁on ▁the ▁national ▁champion ships ' ▁program : ▁▁ ▁S print : ▁ 6 0 ▁m , ▁ 2 0 0 ▁m , ▁ 3 0 0 ▁m , ▁ 4 0 0 ▁m ▁ ▁Middle - distance ▁track ▁events : ▁ 6 0 0 ▁m , ▁ 8 0 0 ▁m , ▁ 1 0 0 0 ▁m , ▁ 1 5 0 0 m , ▁M ile ▁ ▁Long ▁distance ▁track ▁events : ▁ 3 0 0 0 ▁m ▁ ▁H urd les : ▁ 6 0 ▁m ▁hur d les ▁ ▁J umps : ▁long ▁jump , ▁triple ▁jump , ▁high ▁jump , ▁pole ▁v ault ▁ ▁Th rows : ▁shot ▁put , ▁weight ▁throw ▁ ▁Com b ined ▁events : ▁he pt ath lon , ▁pent ath lon ▁ ▁Wal ks : ▁ 3 0 0 0 ▁m ▁walk , ▁ 2 ▁mile ▁walk , ▁ 5 0 0 0 ▁m ▁walk ▁ ▁Championships ▁Records ▁ ▁Men ▁ ▁Women ▁ ▁A ▁= ▁affected ▁by ▁alt itude ▁ ▁See ▁also ▁USA ▁Out door ▁Track ▁and ▁Field ▁Championships ▁USA ▁Mar athon ▁Championships