Mason Tung
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 29.84 | B+0.95s to BB | 2024-11-01 | 2024 MAC A3 Performance November Invitational |
| 100 Freestyle | SCY | 1:07.18 | B+4.49s to BB | 2024-11-01 | 2024 MAC A3 Performance November Invitational |
| 200 Freestyle | SCY | 2:25.05 | B+7.86s to BB | 2024-11-01 | 2024 MAC A3 Performance November Invitational |
| 100 Backstroke | SCY | 1:06.36 | BB+2.57s to A | 2026-03-01 | 2026 Winter ISI Regionals- HSC - copied fast pool |
| 50 Breaststroke | SCY | 32.61 | AA+0.82s to AAA | 2026-03-01 | 2026 Winter ISI Regionals- HSC - copied fast pool |
| 100 Breaststroke | SCY | 1:10.30 | A+1.01s to AA | 2026-02-28 | 2026 Winter ISI Regionals- HSC - copied fast pool |
| 200 Breaststroke | SCY | 2:39.17 | BB+2.38s to A | 2026-03-01 | 2026 Winter ISI Regionals- HSC - copied fast pool |
| 50 Butterfly | SCY | 36.04 | +1.35s to B | 2024-11-01 | 2024 MAC A3 Performance November Invitational |
| 100 Butterfly | SCY | 1:07.11 | BB+3.92s to A | 2026-02-28 | 2026 Winter ISI Regionals- HSC - copied fast pool |
| 200 Individual Medley | SCY | 2:22.67 | BB+1.48s to A | 2026-02-28 | 2026 Winter ISI Regionals- HSC - copied fast pool |
| 50 Breaststroke | LCM | 40.25 | BB+0.86s to A | 2025-07-25 | Illinois Swimming Age Group Champs LC 25 venue |
| 100 Breaststroke | LCM | 1:28.62 | BB+5.33s to A | 2025-07-24 | Illinois Swimming Age Group Champs LC 25 venue |
| 200 Breaststroke | LCM | 3:06.38 | BB+3.49s to A | 2025-07-26 | Illinois Swimming Age Group Champs LC 25 venue |
| 200 Individual Medley | LCM | 2:48.37 | BB+5.18s to A | 2025-07-26 | Illinois Swimming Age Group Champs LC 25 venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
Pool tags are a venue speed heuristic (median deviation of all swims there vs each swimmer's typical time) — see the venue page for the method.
IMX / IMR
IMX 13-14 · SCY
1131 points (2/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 200 BR SCY | 2:39.17 | 559 |
| 200 IM SCY | 2:22.67 | 572 |
| 500 FR SCY | — | 0 |
| 200 BK SCY | — | 0 |
| 200 FL SCY | — | 0 |
| 400 IM SCY | — | 0 |
IMR 13-14 · SCY
2617 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:25.05 | 400 |
| 100 BK SCY | 1:06.36 | 523 |
| 100 BR SCY | 1:10.30 | 633 |
| 100 FL SCY | 1:07.11 | 489 |
| 200 IM SCY | 2:22.67 | 572 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
50 Freestyle SCY 29.84
Front half 14.70s · back half 15.14s
100 Freestyle SCY 1:07.18
Front half 32.11s · back half 35.07s
200 Freestyle SCY 2:25.05
Front half 69.50s · back half 75.55s
100 Backstroke SCY 1:06.36
Front half 33.44s · back half 32.92s
100 Breaststroke SCY 1:10.30
Front half 34.01s · back half 36.29s
200 Breaststroke SCY 2:39.17
Front half 77.40s · back half 81.77s
100 Butterfly SCY 1:07.11
Front half 31.65s · back half 35.46s
200 Individual Medley SCY 2:22.67
Front half 69.74s · back half 72.93s
100 Breaststroke LCM 1:28.62
Front half 42.79s · back half 45.83s
200 Breaststroke LCM 3:06.38
Front half 89.12s · back half 97.26s
200 Individual Medley LCM 2:48.37 RT 0.51s
Front half 82.79s · back half 85.58s
Reaction time
From electronically-timed starts only (~2% of corpus swims carry a reaction time). PRs with a recorded reaction show an RT chip in the splits section above.
Progression
Faster times are higher. One card per event, all courses & history.