They release a cheese rolling down the hill followed by competitors, also rolling down the hill due to the uneven surface ...and perhaps their velocity.
It's actually cheese they throw down the slope.
"During the rationing period of 1941-1954 a wooden substitute was used, this
had a small niche that contained a token piece of cheese."
How to enter
WHY? The first to arrive at the foot of the hill wins the cheese, second wins £5, third £3. Might wanna think it through, or then again, if you're not for the cheese or the money, plain madness will do.

