QuickRaces sometimes leave a QuickRace heat RACING when the event has already been removed.

[JustBru00]

The only solution at this time is to restart the server so that the running event is stopped.

[JustBru00]

Delaying the actual removal of the event may help prevent this issue. https://github.com/FrostHexABG/FrostHexUtils/blob/master/src/com/frosthex/utils/utils/TimingSystemUtils.java#L212