By Charlotte Wells on SwimSwam
2025 SWIMMING WORLD CUP – CARMEL
October 10-12, 2025 Carmel, Indiana SCM (25 meters) Meet Central Psych Sheets Live Results All The Links Live Recaps Prelims: Day 1 | Day 2 | Day 3 Finals: Day 1 | Day 2New Zealand’s Lewis Clareburt enjoyed a top performance during the final day of the Carmel stop of the World Cup, breaking his own national record in the 400 IM with a time of 4:03.66.
Clareburt knocked almost 1.5 seconds off of the record, which previously stood at 4:05.03 from the 2024 World Cup stop in Shanghai.
His performance this morning was good enough for the runner-up spot in the slower heats of the 400 IM, just .56 behind Shaine Casas (4:03.10). Clareburt was seeded 9th in this event coming into the meet, with the top eight seeds racing in the finals session tonight.
Clareburt got off to a slightly slower start than his record-breaking performance a year ago, trailing the record pace by .7 at the halfway mark. He flipped a switch on the breaststroke leg, throwing down a split of 1:07.74 which was 3.43 seconds faster than his breaststroke split a year ago (1:11.17).
Clareburt also shaved five-hundredths off of his time on the backstroke leg, but it was unquestionably his performance during the breaststroke that helped him blow past the national record.
Splits Comparison
New National Record Previous National Record Fly 56.07 55.34 Back 1:01.56 (1:57.63) 1:01.61 (1:56.95) Breast 1:07.74 (3:05.37) 1:11.17 (3:08.12) Free 58.29 (4:03.66) 56.91 (4:05.03) Total 4:03.66 4:05.03Clareburt has had a busy schedule of racing this weekend. He placed 5th in both the 400 free (3:41.65) and 200 fly (1:53.05), in addition to finishing 9th in the 200 back (1:55.19). Clareburt is also slated to contest the 200 free later this session.
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