Events & Age Groups

Age groups

Open 19 years and above Born 2007 or earlier
Group 1 16 to 18 years Born 2008 to 2010
Group 2 14 to 15 years Born 2011 to 2012
Group 3 12 to 13 years Born 2013 to 2014
Group 4 9 to 11 years Born 2015 to 2017
Group 5 8 years and under Born 2018 or later
Para S14 All ages OKU card required
Para S6–S10 All ages OKU card required

Age is taken as at 31 December 2026 (§8.1).
Swimmers may only swim in their own age group (§8.2).
Para swimmers must provide proof of an OKU card (§8.3).

Events offered §9

✓ = offered in that age group. Scroll sideways on small screens.

Events offered for each age group
Event	Para S6–S10	Para S14	Group 5	Group 4	Group 3	Group 2	Group 1	Open
50m Freestyle	Offered for Para S6–S10	Offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
100m Freestyle	Not offered for Para S6–S10	Offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
200m Freestyle	Not offered for Para S6–S10	Not offered for Para S14	Not offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
400m Freestyle	Not offered for Para S6–S10	Not offered for Para S14	Not offered for Group 5	Not offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
50m Breaststroke	Offered for Para S6–S10	Offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
100m Breaststroke	Not offered for Para S6–S10	Offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
200m Breaststroke	Not offered for Para S6–S10	Not offered for Para S14	Not offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
50m Backstroke	Offered for Para S6–S10	Offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
100m Backstroke	Not offered for Para S6–S10	Offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
200m Backstroke	Not offered for Para S6–S10	Not offered for Para S14	Not offered for Group 5	Not offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
50m Butterfly	Offered for Para S6–S10	Offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
100m Butterfly	Not offered for Para S6–S10	Offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
200m Butterfly	Not offered for Para S6–S10	Not offered for Para S14	Not offered for Group 5	Not offered for Group 4	Not offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
200m Individual Medley	Not offered for Para S6–S10	Not offered for Para S14	Not offered for Group 5	Offered for Group 4	Offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
4 x 50m Freestyle Relay	Not offered for Para S6–S10	Not offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Not offered for Group 2	Not offered for Group 1	Not offered for Open
4 x 50m Medley Relay	Not offered for Para S6–S10	Not offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Not offered for Group 2	Not offered for Group 1	Not offered for Open
4 x 50m Mixed Freestyle Relay	Offered for Para S6–S10	Offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Not offered for Group 2	Not offered for Group 1	Not offered for Open
4 x 50m Mixed Medley Relay	Offered for Para S6–S10	Offered for Para S14	Offered for Group 5	Offered for Group 4	Offered for Group 3	Not offered for Group 2	Not offered for Group 1	Not offered for Open
4 x 100m Freestyle Relay	Not offered for Para S6–S10	Not offered for Para S14	Not offered for Group 5	Not offered for Group 4	Not offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
4 x 100m Medley Relay	Not offered for Para S6–S10	Not offered for Para S14	Not offered for Group 5	Not offered for Group 4	Not offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
4 x 100m Mixed Freestyle Relay	Not offered for Para S6–S10	Not offered for Para S14	Not offered for Group 5	Not offered for Group 4	Not offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open
4 x 1000m Mixed Medley Relay *	Not offered for Para S6–S10	Not offered for Para S14	Not offered for Group 5	Not offered for Group 4	Not offered for Group 3	Offered for Group 2	Offered for Group 1	Offered for Open

To be confirmed * Printed as “4 x 1000m” in the meet information; probably 4 x 100m — to be confirmed.

Mixed relays: two male and two female swimmers in any order, except in the Para category (§9.1).
Two relay teams per club or school per relay event (§6.3).

Competition format

Rules §5.1: World Aquatics swimming rules apply, subject to final decisions by the referees and Organising Committee on matters the rules do not cover.
Time finals §5.2: All events are swum on a Time Final basis — there are no separate heats and finals.
One-start rule §5.3: The one-start rule applies.
Timing §5.4: SEIKO semi-automatic timing system with a live scoreboard and streaming, run by a certified team of officials.
Combined events §14: Events with fewer than 3 swimmers may be swum combined with another age group but are scored separately. If only one swimmer takes part, no points are awarded.

See the order of events

Age groups

Events offered §9

Competition format

Races in the programme by category