Amid record-high temperatures forecast to continue across Japan through September, organizers of the world athletics championships, which open Saturday in Tokyo, have moved up the start times for the race walking and marathon events by 30 minutes, to 7:30 a.m.World Athletics on Thursday announced the earlier start times for Saturday's men's and women's 35-kilometer race walk, the women's marathon the following day and the men's marathon to be held Monday.Earlier this month, Japan's weather agency reported that the country had experienced its hottest summer since 1898, when comparable record…READ FULL ARTICLE