1She has been training for months to participate in her first marathon next weekend.
2Is running a marathon on your bucket list, or have you already achieved it?
3The new employee had to work non-stop for 12 hours, which felt like a marathon to him.
4If you are planning to run a marathon, make sure to start training at least six months in advance.
5The company's financial struggles have been a marathon, but they are finally starting to see some improvement.