Thank you but that still makes me end up with two models (GROUPS and FINISH), although now both have the same records and are in the same order. When it comes to template rendering I still need a nester for loop yes? I suppose faking a foreign key relation in the FINISH model (which is the CPU intensive one) toward the GROUPS model will allow direct linking, but that generates an independent SQL lookup for each record, even with select_related turned on afaik.
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