Tokyo eyes starting Olympic marathon at 3 a.m. to counter IOC plan to move race to Hokkaido

TOKYO- Tokyo, host of the 2020 Olympic Games, is considering proposing to start the marathon and race walking events as early as 3 a.m. to counter an IOC decision to move the races to Sapporo due to worries about heat, Kyodo news agency said on Thursday.
 propose v)提案する
 as early as（ある時間が予想以上に早く起こる時に強調として表現）
  start the marathon 8 am / start the marathon as early as 3 am
  A Marathon starts at 8 am but An Ultra marathon starts as early as 5 am. 
 counter v)〔問題などを〕阻止する、逆らう、逆襲する
 decision n)決定
 worries n)心配　No worries!　
 heat n)熱、暑さ　v)熱する