Race with run, bike, run.
There is a Champion class (run 5km, bike 28km, run 5km) which is only for high school students and above, Challenge class (run 2km, bike 14km, run 2km) which is for junior high school students and above, and Beginner class (run 0.5km, bike 5.6km, run 0.5km) which is for elementary school students and above.
Adults can participate in the Beginner Class race, but they can't win prizes.
There's a relay category in which 2 people race in a team (one person runs and the other person rides the bike). Try it out!

Application Deadline: February 13 (Tue)
≪How to Apply≫
Through the internet site "Sports Entry".
Sports Entry Application Page: https://www.sportsentry.ne.jp/event/t/73111
Telephone
Sports Entry: 0570-550-846 (Weekdays 10:00～17:30)
Through Famiport
Throught Famiport in Familymart: Select the「申込・請求」→「Sports Entry」
After appling, please pay at the cashier.