Open Water Swimming·Water Sports

World Aquatics

🏛️Official — World Aquatics

Rulebook Versions(2)

Competition Regulations – In force as from February 2026 (Part Three: Open Water Swimming Rules)CurrentEffective February 18, 2026

Auto-detected content change during sync (commit 93122c8)

Recorded Aug 26, 2026

2026 World Aquatics Open Water Swimming Rules — 5 km, 10 km (Olympic marathon swim), and 25 km distances; team relays at World ChampionshipsEffective January 1, 2026

Auto-detected content change during sync (commit 016422c)

Recorded May 16, 2026

Topic Changes(9 topics updated)

Section 8: Safety Considerations

Aug 26, 2026

Section 7: Violations & Penalties

Section 6: Scoring

Finish

During the Race

Section 5: Rules of Play

Aug 26, 2026

Section 4: Players & Officials

Aug 26, 2026

Section 3: Playing Area

Aug 26, 2026

Section 2: Equipment

Aug 26, 2026

Back to Open Water Swimming Browse All Sports

Vote on Rules Community