The largest marathon in the world at that time, the first running of the Mayor Daley Marathon—now the Bank of America Chicago Marathon—drew 4,200 participants. Since then it has grown both in size and prestige. The race is now capped at 45,000 runners and is considered one of the world’s most renowned marathons. The 30th anniversary running of the race was unique in several respects. For one thing, it featured a special CEO challenge, and for another, it was halted after just 3 ½ hours. Why? Discuss
Source: The Free Dictionary