People have run Marathons for more than 100 years, but how long is a marathon? Where are they run? Who can enter? Find out all about one of the most toughest and popular running events, in this non-chronological report. People have run Marathons for more than 100 years, but how long is a marathon? Where are they run? Who can enter? Find out all about one of the most toughest and popular running events, in this non-chronological report. Pages 14-15 feature a glossary, index, and a whole host of marathon facts. Orange/Band 6 books offer varied text and characters, with action sustained over several pages. Ideas for Guided Reading in the back of the book provide practical support and stimulating activities.