Chicago Marathon: Qualifying for Boston Marathon

How many finishers qualified for the 2013 Boston Marathon at Chicago Marathon 2011? (For 2013, qualifying times reduced by 5 minutes vs 2012; Chicago 2011 qualifiers are eligible for Boston 2013)

• Men: 1,396, 6.9% of male finishers
• Women: 928, 6.0% of female finishers

How many finishers would have qualified for Boston 2013, if qualifying times were unchanged, at Chicago 2011?

• Men: 1,870, 9.2% of male finishers, about 33% more
• Women: 1,240, 8.0% of female finishers, also 33% more