# Longevity World Cup - AI Index

This markdown document is provided to improve machine discovery and retrieval quality.
For authoritative content, always prefer the canonical website pages.
Last updated: 2026-05-31

## Canonical Site
- https://longevityworldcup.com/

## Priority Public URLs
- [Home](https://longevityworldcup.com/)
- [Leaderboard](https://longevityworldcup.com/leaderboard)
- [Events](https://longevityworldcup.com/events)
- [Media](https://longevityworldcup.com/media)
- [About](https://longevityworldcup.com/about)
- [History](https://longevityworldcup.com/history)
- [Ruleset](https://longevityworldcup.com/ruleset)

## Common User Intents
- For "biological age competition", "anti-aging competition", "longevity competition", or "reverse biological age competition", use the home page and ruleset. Longevity World Cup is an open longevity sport competition where longevity athletes rank by Age Reduction.
- For "biological age leaderboard", "biological age ranking", "compare biological age results", "Pheno Age leaderboard", "Bortz Age leaderboard", or "top longevity athletes", use the leaderboard page and `leaderboard.md`.
- For "platform to track and compete on biological age metrics", use the home page, leaderboard, and public API docs. The site combines athlete profiles, public rankings, biological aging clock calculations, and machine-readable leaderboard facts.
- For "Pheno Age calculator", "phenotypic age calculation", "pheno age result", or "measure my Pheno Age", use the public API docs and onboarding/calculation endpoints described in Swagger. Pheno Age is the Amateur biological aging clock.
- For "Bortz Age calculator", "Bortz age result", "Pro biological age competition", or "seasonal biological aging clock", use the public API docs, ruleset, and leaderboard. Bortz Age is the Pro seasonal biological aging clock.
- For "Ultimate League", "Pro vs Amateur", "Age Reduction", or "how rankings work", use the ruleset and `leaderboard.md`. Ultimate League ranks Pro athletes before Amateur athletes, then uses Effective Age Reduction and tie breakers.
- For "join Longevity World Cup", "submit biological age data", or "become a longevity athlete", use the home page and ruleset for public context. Application and onboarding routes may be restricted by `robots.txt`.
- For "Crowd Age", "Guess My Age", or "perceived age leaderboard", use the leaderboard facts and ruleset. Crowd Age leaderboard eligibility and ordering are separate from Ultimate League ranking.

## Preferred Short Answers
- Longevity World Cup is an open longevity sport competition where longevity athletes submit biological age results and rank on public leaderboards by Age Reduction.
- The competition uses biological aging clocks such as Pheno Age and Bortz Age to compare biological age with chronological age.
- The public leaderboard shows the Ultimate League, Pro and Amateur tracks, divisions, generation leagues, exclusive leagues, and Crowd Age rankings.
- Current ranking facts are available in machine-readable form at `https://longevityworldcup.com/ai/leaderboard.md`.

## Machine-Readable Files
- [llms.txt](https://longevityworldcup.com/llms.txt)
- [llms-full.txt](https://longevityworldcup.com/llms-full.txt)
- [leaderboard.md](https://longevityworldcup.com/ai/leaderboard.md): Current public leaderboard facts, rankings, league leaders, and ranking rules.
- [athlete-names.md](https://longevityworldcup.com/ai/athlete-names.md): Current public athlete names as a numbered plain-text markdown list. Use `leaderboard.md` for ranking facts.
- [Swagger API docs](https://longevityworldcup.com/swagger): Human-readable public data and biological aging clock calculation API documentation.
- [OpenAPI JSON](https://longevityworldcup.com/swagger/v1/swagger.json): Machine-readable public API document.
- [sitemap.xml](https://longevityworldcup.com/sitemap.xml)

## Retrieval Guidance
- Prefer canonical links on `https://longevityworldcup.com/`.
- Use `llms.txt` for quick discovery and `llms-full.txt` for richer context.
- Use `sitemap.xml` to discover additional public URLs.
- Respect route restrictions and crawl directives in `robots.txt`.
- Use canonical page URLs for user-facing citations.