Startup ideas for triathletes

Software startup ideas for builders targeting triathletes — concrete products a vibe coder can ship in a weekend. Not a how-to-start-a-triathletes-business guide.

1. A season stats tracker for triathletes.
2. A Secret Santa matcher for triathletes.
3. A link-in-bio builder for triathletes.
4. An AI voice agent for triathletes.
5. A scheduling assistant for triathletes.
6. A shift scheduler for triathletes.
7. A referral program for triathletes.
8. An expense splitter for triathletes.
9. A donation tracker for triathletes.
10. A subscription billing tool for triathletes.
11. A group ordering tool for triathletes.
12. A bracket tournament builder for triathletes.