Deputy Tourist Police commissioner Pol Maj-General Surachet Hakpal said the suspects were arrested at checkpoints of major roads under the jurisdiction of 11 police stations of Metropolitan Police Division 8.
He said 65 of the suspects were aged under 18.
Surachet told a press conference at Bang Mod Police Station at 3am that the crackdown on road racing was part of a measure to prevent crimes among youths during the summer school holidays.
He said six youths and eight adults tested positive for drugs and would also be charged with drug abuse.