The Los Angeles Marathon has two finish lines this year — and people aren’t happy about it. With temperatures expected to climb higher than 80 degrees, organizers said runners can finish their race early at the 18th mile and still receive their medal if they are “having a tough day.” “If you’re having a tough day and want to end your race before [mile] 26.2, you can choose to take the turn at Mile 18 and head into the finish line early,” The McCourt Foundation, which is hosting the event, announced on its website Friday. “You do not need to...