The article discusses some of the deadliest bear attacks that have occurred during marathons. These attacks have happened in various locations around the world and have resulted in tragic outcomes for the victims. The article highlights the importance of being prepared and taking necessary precautions when participating in marathons in bear territory. It also emphasizes the need for runners to be aware of their surroundings and have a plan in place in case they encounter a bear during a race. By learning from past incidents and being proactive in bear safety measures, runners can reduce the risk of bear attacks during marathons.