Rose Bowl Aquatics 12-year old Ronald Dalmacio has shattered the National Age Group Record in the 100 yard backstroke. Swimming at the Kevin Perry Invitational, Dalmacio (against a senior field that otherwise was 16-and-older), he placed 11th in 50.99.
The old record of 51.40 was set by New Jerseyan Vinny Marciano in 2014 – and coming into the weekend, Marciano’s swim was 6-tenths faster than anybody else had done.
Dalmacio holds 4 National Age Group Records in the 10 & under age group – 50 back, 100 back (58.62), 100 IM, and as part of Rose Bowl’s 200 yard medley relay. He also owns 4 records in long course – 50 back, 100 back, and 200 IM as a 10 & under, and earlier this year the 50 back as an 11-12, after which point he didn’t swim another short course race.
This, Dalmacio’s first swim of the event as a 12-year old, was a huge surge forward for him. His previous best of 54.70 came last March at NCSAs.
- Dalmacio ’16 – 25.04/25.95 = 50.99
- Marciano ’16 – 24.65/26.75 = 51.40
Dalmacio on Saturday also split 52.37 leadinf ogg Rose Bowl’s “B” 400 medley relay. On Sunday, he swam a lifetime best of 1:54.90 in the 200 backstroke prelims and is scheduled for a start in the 100 free as well.
That 200 back time ranks him 5th all-time in the 11-12 age group rankings behind the 1:53.36 done by Tyler Lu earlier this year.