10'000 feet is the diameter of a intermediate city. For example, Zurich with agglomeration.
CHF 10'000 you earn - or at least of this magnitude - if you occupied a middle management position, there will even work for it.
10'000 Bq is already the radioactivity, which simply should not be handled without knowledge. You can attach a source with 10'000 Bq already slightly elevated radiation level.
A good marathon runners performs the 42'195 km in less than three hours. Top runners do not need much longer than 2 hours.