The New British Triathlon:
A brisk walk to the shops (with a transition point at the end where competitors have to queue for the next stage)
then
A round of supermarket sweep where competitors must spend at least £40 without buying more than two of any item. To add an element of strategy to this section of the game, the shop aisles will be marked out into two metre squares, and of course no two competitors may occupy the same square at any one time. CCTV will act as a VAR to adjudicate on any disputes.
finally
A walk home carrying the shopping, with officials dressed as police carrying out random checks to ensure that the items purchased were, in fact, necessities and not namby pamby luxuries like Easter eggs, almond milk or prosecco.
The winner will be the first competitor to get home, put all their shopping away (chucking it in an untidy heap is not permitted under the Mornington Crescent convention, but may be accepted under the All England Club variant rules when there is an r in the month) and then settle down in front of the telly with a nice cup of tea. Anyone making a nasty cup of tea will, even at this late stage, be disqualified.
Enjoy!