The ACV does include the athletics track but I'm not sure what relevance the ACV has to the plans.
All that the ACV means is if the ACV land isnt part of the stadium footprint and part of the land they want to sell they need to give the Trust 6 months to raise the funds, but still don't actually have to sell it to them.
Interestingly the ACV will expire Feb 2024 (unless renewed), I wonder if that's a reason that KT wanted longer to complete the stadium prior to purchasing the development land.
I am not aware of a sport you can play in an industrial warehouse so I guess that could be a bit of an issue.
I fully expect the trust to look at extending the ACV at their earliest convenience.