Jack Tjepkema

Mage 15NEYMNT

55 plausible swims · 16 meets · 2025-01-01 → 2026-06-06

Personal records

EventCourseBest CutDateMeet
50 Freestyle SCY 29.64 +0.75s to B·+7.25s to Sectionals 2026-01-01 2026 ne glyb cookie classic results
100 Freestyle SCY 1:04.99 +1.70s to B·+16.50s to Sectionals 2026-01-01 2026 ne nssc snowball sprints results
50 Backstroke SCY 35.80 +3.11s to B·+12.11s to Futures 2025-01-01 2025 ne nssc 2fast2furious results
100 Backstroke SCY 1:19.91 +10.42s to B·+25.42s to Sectionals 2026-01-25 2026 NE NSSC Snowman Sprintsvenue
50 Breaststroke SCY 41.07 +3.58s to B·+14.78s to Futures 2026-01-01 2026 ne jccs v peabody y results
100 Breaststroke SCY 1:34.18 +15.59s to B·+32.69s to Sectionals 2026-01-01 2026 ne nssc 6 6 st john s prep results
50 Butterfly SCY 33.49 +1.10s to B·+10.60s to Futures 2026-01-01 2026 ne nssc 6 6 st john s prep results

Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 15.

National cuts (Sectionals → Nationals) are the current-season meet qualifying times for the swimmer's zone and age group; ✓ marks the hardest cut already achieved.

Fastest relay legs

LegCourseTime StartRelayDateMeet
100 Freestyle SCY 1:08.59 flying 400 Free Relay (leg 2) 2026-01-12 2026 NE YNS YMCA Eastern MA Districts
50 Backstroke SCY 36.46 flat 200 Medley Relay 2026-01-12 2026 NE YNS YMCA Eastern MA Districts

Reconstructed from relay split marks. Flat = lead-off (comparable to individual times); flying starts run ~0.5–0.7s fast and are not PRs.

IMX / IMR

IMR 15-16 · SCY

484 points (2/5 events — incomplete)

EventTime Points
100 BK SCY 1:19.91 255
100 BR SCY 1:34.18 229
200 FR SCY 0
100 FL SCY 0
200 IM SCY 0

Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.

PR splits

100 Freestyle SCY 1:04.99 split/total mismatch

31.10
2.79

Front half 31.10s · back half 33.89s

100 Breaststroke SCY 1:34.18 split/total mismatch

43.64
6.90

Front half 43.64s · back half 50.54s

Swim history

Every recorded swim, newest first
DateEventCourse TimeAge RoundMeet

Individual swims with a recorded date and time — including disqualifications — plus reconstructed relay legs (marked). Assembled in the browser from this page’s data.

Progression

Faster times are higher. One card per event, all courses & history.

50 Freestyle SCY 29.64 9 swims
100 Freestyle SCY 1:04.99 12 swims
50 Backstroke SCY 35.80 7 swims
100 Backstroke SCY 1:19.91 11 swims
50 Breaststroke SCY 41.07 8 swims
100 Breaststroke SCY 1:34.18 4 swims
50 Butterfly SCY 33.49 4 swims