Reducing the Runner's Footprint: NY Times

Biodiesel buses. Biodegradable cups. Organic T-shirts. Trophies made from recycled bicycle parts. Yes, the great green phenomenon has come to marathons too. The November issue of Runner’s World magazine ranks the 10 greenest races. The Austin Marathon wins, with its finish-line farmer’s market, Porta Potty toilet paper made from recycled materials, and biodiesel support vehicles.