Dumb questions about swimming and generel fitness i Japan.

I want to list few questions about fitness here in Japan.

• is there a subreddit for fitness here in Japan?
• anyone who does triathlons here? Any subreddit(for japan of course).
• for swimming, I find that all googles i buy in Japan hurt my nose. Anyone that can recommend a good googles for a wessterner?
  -can anyone recommend a 2km route for cycling in kanto area 30km-60km? If is close to yokohama would be better 😅