There may be many Pokemon Origins friends who want to know how to trigger the Pokemon Origins HeartGold Marathon plot. The following is the "Pokemon Origins HeartGold Marathon plot triggering method guide" collected by the editor of Sourcecode.com. Those who are interested can take a look. Well, maybe it can help everyone.
After finishing the Rainbow City plot, follow the bicycle path to Route 18, talk to Kentero, and the girl invites you to participate in the marathon. Fight before the poison-type gym, and the marathon will end after the gym.
How about a guide on how to trigger the marathon plot in "Pokemon Origins Heartgold"? This is compiled by me to understand the gameplay step by step through the steps in the game. I hope it can be helpful to users.