🏛️Official — ISAIn Season
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Recorded May 13, 2026
Foundational federation milestone — the International Surfing Association traces its rule-making lineage to an 18 May 1964 meeting that established the International Surfing Federation (ISF), the original name of the federation between 1964 and 1973 before the rename to International Surfing Association. Every modern ISA rule on contest format, judging criteria, World Championship sanctioning, anti-doping, and Olympic eligibility descends from the rule-making mandate established at this 1964 founding. The 1973 rename to ISA preserved continuous federation governance — every ISA decision since 1973 inherits authority directly from the 1964 ISF charter.
Recorded May 9, 2026
Federation governance-legitimacy milestone. In 1982, the General Association of International Sports Federations (GAISF, now known as SportAccord) formally recognized the ISA as the world's governing body of surfing. The 1982 recognition gave ISA federation-level legitimacy independent of any Olympic inclusion (which would not come until Tokyo 2020, nearly 40 years later) and is cited as the basis of authority in every subsequent ISA constitutional document, contest rule, and judging-criteria update. From 1982 forward, all major surfing rule-making — contest format, anti-doping policy, athlete eligibility, World Championship sanctioning — flowed under ISA's GAISF-recognized mandate.
Recorded May 9, 2026
Federation portfolio-expansion milestone. In 2011, the ISA inaugurated the ISA Stand Up Paddle World Championship, bringing SUP under ISA's rule-making authority alongside the pre-existing Open Division World Championships (biennial since 1964), Junior World Championships (since 1980), and Masters World Championships (since 2007). The 2011 SUP launch signalled ISA's intent to govern beyond traditional shortboard/longboard surfing, anticipating SUP's growing competitive footprint and giving the federation contest-rule and judging-criteria authority over an additional discipline.
Recorded May 9, 2026
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Recorded Mar 22, 2026
8.4 Weather and Environmental Holds
May 23, 20268.3 Marine Hazard Assessment
May 23, 20267.2 Interference Penalties
May 23, 20266.3 Scoring Scale
May 23, 2026A surfer's heat total is the sum of their best 2 wave scores. The maximum possible heat total is 20.00 (two perfect 10.0 waves).
6.2 Scoring Criteria
May 23, 20265.4 Competition Format
May 23, 20264.3 Officials
May 23, 20262.1 Surfboard Specifications
May 23, 20268.5 Competitor Safety Requirements
May 23, 20268.1 Water Safety Team
May 23, 20267.4 Other Infractions
May 23, 20267.3 Unsportsmanlike Conduct
May 23, 20266.5 Score Examples
May 23, 20265.5 Conduct During Heats
May 23, 20265.1 Heat Format
May 23, 20264.1 Competitors
May 23, 20263.3 Wave Conditions
May 23, 20263.2 Competition Zone
May 23, 20262.4 Wetsuit and Personal Gear
May 23, 20262.3 Competition Jersey (Rashguard)
May 23, 20266.4 Heat Total
May 23, 20266.1 Wave Scoring
May 23, 2026Section 6: Scoring
May 23, 20265.2 Priority System
May 23, 2026Section 5: Rules of Play
May 23, 20263.4 Waiting Period
May 13, 2026Section 8: Safety Considerations
Mar 22, 2026Section 4: Players & Officials
Mar 22, 2026Section 3: Playing Area
Mar 22, 2026