For Mitch Phillips's latest contributions to The Japan Times, see below:
Just as he did last week, Graabak sat back in the field and timed his charge perfectly to edge compatriot Jens Oftebro, who also came from deep to take silver.
Kobayashi is bidding to become the first Japanese jumper to win gold on foreign snow.
Since the arrival of thick-soled, carbon-plated road shoes and now their track spike equivalent, long-standing records set by the sport's all-time greats are being obliterated.
Advances have tilted the balance back toward clean athletes but it is a never-ending war, with each Olympics merely the highest-profile battleground.
The two 2020 athletes of the year were Swedish pole vaulter Mondo Duplantis and Venezuelan triple jumper Yulimar Rojas, but their names remain largely unknown to the general public.
