The most basketball free throws in one minute by a mixed pair is 34 and was achieved by Michael Anderson and Katherine Oosthuizen (both USA) at West Bowles Community Church in Littleton, Colorado, USA, on 17 August 2013.
The pair made several attempts to beat the old record of 32, this one being their best effort. They missed four throws during the one minute timeframe. Michael is a high school basketball coach and Katherine is one of his former players.