Emma Diffenderfer
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 28.37 | A+0.98s to AA·+3.58s to Sectionals | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by UDAC |
| 100 Freestyle | SCY | 1:00.08 | A+0.49s to AA·+6.99s to Sectionals | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by UDAC |
| 200 Freestyle | SCY | 2:11.44 | A+1.85s to AA·+16.45s to Sectionals | 2026-03-16 | 2026 MASI Short Course Junior Championships hosted by LAC |
| 500 Freestyle | SCY | 5:41.94 | AA+11.45s to AAA·+33.15s to Sectionals | 2026-01-01 | 1704704 |
| 50 Backstroke | SCY | 33.25 | BB+1.36s to A·+6.96s to Futures | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by UDAC |
| 100 Backstroke | SCY | 1:10.05 | BB+2.06s to A·+10.76s to Sectionals | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by UDAC |
| 200 Backstroke | SCY | 2:42.86 | B+4.07s to BB·+33.97s to Sectionals | 2025-05-23 | GAAC Mayflower Meet |
| 50 Breaststroke | SCY | 36.15 | A+0.66s to AA·+6.36s to Futures | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by UDAC |
| 100 Breaststroke | SCY | 1:16.18 | A+1.49s to AA·+7.99s to Sectionals | 2026-03-16 | 2026 MASI Short Course Junior Championships hosted by LAC |
| 200 Breaststroke | SCY | 2:42.84 | A+1.85s to AA·+13.45s to Sectionals | 2026-03-16 | 2026 MASI Short Course Junior Championships hosted by LAC |
| 100 Butterfly | SCY | 1:10.81 | BB+3.22s to A·+12.32s to Sectionals | 2026-03-30 | 2026 MASI Short Course Silver Championships hosted by UDAC |
| 100 Individual Medley | SCY | 1:11.36 | 2025-10-27 | CBST Autumn Festival | |
| 200 Individual Medley | SCY | 2:25.37 | A+0.28s to AA·+14.68s to Sectionals | 2026-01-01 | 1704704 |
| 50 Freestyle | LCM | 30.54 | AA+0.65s to AAA·+2.25s to Sectionals | 2026-07-28 | 1714406 |
| 100 Freestyle | LCM | 1:05.37 | AA+0.38s to AAA·+4.68s to Sectionals | 2026-07-28 | 1714406 |
| 200 Freestyle | LCM | 2:18.22 | AAA+2.93s to AAAA·+7.33s to Sectionals | 2026-07-28 | 1714406 |
| 400 Freestyle | LCM | 4:51.42 | AAA+7.03s to AAAA·+13.73s to Sectionals | 2026-07-28 | 1714406 |
| 50 Backstroke | LCM | 38.40 | BB+0.91s to A·+7.51s to Futures | 2026-01-01 | LAC |
| 100 Backstroke | LCM | 1:18.39 | A+2.30s to AA·+10.50s to Sectionals | 2026-07-28 | 1714406 |
| 200 Backstroke | LCM | 2:43.21 | AA+6.22s to AAA·+17.02s to Sectionals | 2026-07-28 | 1714406 |
| 50 Breaststroke | LCM | 43.72 | BB+1.63s to A·+8.93s to Futures | 2025-07-31 | MASI Long Course Silver Championships at GCIT |
| 100 Breaststroke | LCM | 1:31.26 | BB+1.47s to A·+13.37s to Sectionals | 2026-06-30 | LAC Arena Classic |
| 200 Breaststroke | LCM | 3:15.10 | BB+1.61s to A·+25.71s to Sectionals | 2026-06-08 | FCA Quaker Invitational |
| 200 Individual Medley | LCM | 2:38.25 | AAA+6.46s to AAAA·+9.86s to Sectionals | 2026-07-28 | 1714406 |
| 400 Individual Medley | LCM | 5:37.43 | AAA+15.04s to AAAA·+16.94s to Sectionals | 2026-07-22 | 1714405 |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 13.
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.
IMX / IMR
IMX 13-14 · LCM
3776 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:51.42 | 850 |
| 200 BK LCM | 2:43.21 | 701 |
| 200 BR LCM | 3:15.10 | 608 |
| 200 IM LCM | 2:38.25 | 816 |
| 400 IM LCM | 5:37.43 | 801 |
| 200 FL LCM | — | 0 |
IMR 13-14 · SCY
3128 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:11.44 | 674 |
| 100 BK SCY | 1:10.05 | 558 |
| 100 BR SCY | 1:16.18 | 664 |
| 100 FL SCY | 1:10.81 | 537 |
| 200 IM SCY | 2:25.37 | 695 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:00.08 split/total mismatch
200 Freestyle SCY 2:11.44 split/total mismatch
100 Backstroke SCY 1:10.05 split/total mismatch
Front half 34.42s · back half 35.63s
200 Backstroke SCY 2:42.86 split/total mismatch
100 Breaststroke SCY 1:16.18 split/total mismatch
Front half 36.34s · back half 39.84s
200 Breaststroke SCY 2:42.84 split/total mismatch
Front half 40.61s · back half 122.23s
100 Butterfly SCY 1:10.81 split/total mismatch
Front half 33.05s · back half 37.76s
100 Individual Medley SCY 1:11.36 split/total mismatch
Front half 34.71s · back half 36.65s
100 Freestyle LCM 1:05.37 split/total mismatch
Front half 31.37s · back half 34.00s
200 Freestyle LCM 2:18.22 split/total mismatch
400 Freestyle LCM 4:51.42 split/total mismatch
100 Backstroke LCM 1:18.39 split/total mismatch
Front half 37.60s · back half 40.79s
200 Backstroke LCM 2:43.21 split/total mismatch
Front half 41.31s · back half 121.90s
100 Breaststroke LCM 1:31.26 split/total mismatch
Front half 44.01s · back half 47.25s
200 Breaststroke LCM 3:15.10 split/total mismatch
Front half 95.15s · back half 99.95s
200 Individual Medley LCM 2:38.25 split/total mismatch
400 Individual Medley LCM 5:37.43 split/total mismatch
Swim history
Every recorded swim, newest first
| Date | Event | Course | Time | Age | Round | Meet |
|---|
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.