There is still nothing wrong, from a purely logical frame of reference, with the question "who will win the next time they race" the 800 etc. It is merely a meditation on the ontological possibilities concerning the nearest chronological contest* in which "Mr. Webb" and "Mr Brannen" engage in a foot race over ~5.3 x 10 ^ -9 astronomical units, or "800 meters."
Perhaps the diction of Wejo's query implies that they had raced within such parameters on a previous occasion**.
But really, really, that's no reason to start a thread and be a total dickweed*** about it.
*defined by the contest for which the negentropy of the universe is closest to the present value, on the lower bound
**likewise, any time such that the negentropy of the universe is higher than the present value
*** i.e. NSSS