Our club recently did a gliding promotion in support of the "Big Day
Up" national gliding day in New Zealand.
We managed to do 155 "trial" flights with 4 twins & 2 180hp towplanes
in a little over 10.5 hours.
That included one hour wih only one tow plane as the other "broke" and
we had to organise a backup"
Yep it is a club record
We think a New Zealand Record

Anyone alse in the world done better than this.

Flights were aero tows to 1500ft done on a fully controlled regional
airport. So we had to fit in on a parallel runway to arriving and
departing commercial commuter stuff!! The airport recorded its highest
movement count in its history that day with 800 movements.