The last four words sums it up really.
A suppose it's not beyond the realms of possibility to install an automated self laying track cover system and just get Alexa to do it.
A think track covers have been tried at various stadiums and have worked ok. Some of the problems you might come across are, track accessibility and labour availability. For example, track covers at Newcastle probly wouldn't work.
Maybe they should put the dog track inside the speedway track, they normally only run round it once anyway,,, but well done Ipswich btw, for some bizarre reason.