On Sunday, around 40,000 elite and rookie runners are expected to participate in the Bank of America Chicago Marathon. The forecast of summer-like temperatures means runners need a few extra tricks up their sleeves. Many of them will follow the guidance of folks with marathon experience, like Brendan Cournane. The endurance running coach has trained 400 runners for this year’s marathon, encouraging them to both hit and get beyond the finish line. In the latest installment of The Weekly Guide, Cournane joined Eight Forty-Eight for a little one-on-one time and with his tips on how Chicagoans can enjoy the marathon weekend.

Music Button: Lord Mouse & the Kalypso Kats, “Rat Race Calypso”, (Jump Up records)