Shirley you'd have you're own panniers with you if you're going to that event and there could just be a weigh in? Even if they insist on providing the panniers, a couple bricks would do as good a job as ballast as all that kit.
It should be time / weight handicap, with a minimum requirement. That would encourage some fun stuff.
I'd take a trailer or something
@Kidneys started
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Shirley you'd have you're own panniers with you if you're going to that event and there could just be a weigh in? Even if they insist on providing the panniers, a couple bricks would do as good a job as ballast as all that kit.