* Swimmers are those who raced at a meet in Swimming New Zealand’s results; club members who did not race are not counted.
Which clubs raced?
15 clubs from the regions Canterbury & West Coast and Nelson Marlborough; the most swimmers came from Jasi (52 swimmers).
How strong was the field?
A typical swimmer here is faster than 63 of every 100 swimmers of the same age and gender across New Zealand, by their best race of 2025.
Peers are New Zealand swimmers of the same age and gender, compared by the World Aquatics points of their best race (one scale for every stroke and distance; 1,000 is about world-record speed). Each swimmer is set by their best race of 2025, not of this meet alone: the figure says how strong the swimmers who came are.
| Faster than … of 100 | |
|---|---|
| A typical swimmer here | 63 |
| A typical New Zealand swimmer | 50 |
Source: Swimming New Zealand results, 2025 · n = 272 swimmers with points, each set beside New Zealand swimmers of the same age and gender
How many personal bests?
Of the races in an event the swimmer had swum before, 44 in 100 were personal bests, less than the 52 in 100 typical for swimmers of the same age who race as often.
Personal bests per 100 races in an event the swimmer had swum before.
| Per 100 races | |
|---|---|
| This meet | 44 |
| Swimmers of the same age who race as often | 52 |
Source: Swimming New Zealand results, 5 to 8 Dec 2025 against 1 Jan to 31 Dec 2025 · n = 272 swimmers
How many swam national qualifying times?
Nearly 3 in 10 swimmers aged 13 to 16 swam a race here faster than the 2026 NZ Age Group qualifying time for their age: 144 such races in 17 events.
Swimmers aged 13 to 16 at this meet, with a race faster than the qualifying time for their age, gender, event and pool.
Source: Swimming New Zealand results, 5 to 8 Dec 2025 · n = 162 swimmers aged 13 to 16
Who raced for the first time?
Nobody here was racing for the first time: every swimmer had raced before, as far as the records go (2016).
Swimmers with no club race before this meet in the records, which start in 2016.
How does it compare with last year’s edition?
Last year’s edition, JASI Christmas Cracker (6–9 Dec 2024), had 180 swimmers from 14 clubs; this one 272 from 15; personal bests in an event swum before: 45 in 100 races then, 44 in 100 now.
Meets of the same name in other years, with a club in common.
Which events were swum most?
50 Freestyle, SC was swum most: 194 races by 173 swimmers; 18 events in all.
Events by races swum, SC and LC counted apart.
How old are the swimmers?
2 in 3 swimmers are 12 to 15 years old.
Number of swimmers by age at their last race of the meet; 184 of the 272 are 12 to 15 years old.
| Age | Swimmers |
|---|---|
| 8 and under | 2 |
| 9 | 5 |
| 10 | 6 |
| 11 | 22 |
| 12 | 39 |
| 13 | 48 |
| 14 | 49 |
| 15 | 48 |
| 16 | 17 |
| 17 | 14 |
| 18 and over | 22 |
Source: Swimming New Zealand results, 5 to 8 Dec 2025 · n = 272 swimmers