Mark Sheeran
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 27.64 | BB+0.95s to A·+5.35s to Sectionals | 2026-02-28 | 2026 Spring Area 3 Championshipsvenue |
| 100 Freestyle | SCY | 1:00.11 | BB+2.22s to A·+11.82s to Sectionals | 2026-10-10 | WFLA Halloween Invitationalfast pool |
| 200 Freestyle | SCY | 2:13.10 | BB+6.41s to A·+27.31s to Sectionals | 2026-07-26 | 2026 Summer Area 3 Championshipsvenue |
| 500 Freestyle | SCY | 5:44.42 | BB+2.73s to A·+58.33s to Sectionals | 2026-03-07 | 2026 Florida Swimming FLAGS NORTHvenue |
| 1000 Freestyle | SCY | 12:05.43 | BB+18.34s to A·+128.24s to Sectionals | 2026-09-18 | SAINT PETE AQUATICS FRI NITE RACE OCT 2 2026 |
| 50 Backstroke | SCY | 32.15 | BB+1.76s to A·+6.46s to Sectionals | 2026-03-01 | 2026 Spring Area 3 Championshipsvenue |
| 100 Backstroke | SCY | 1:08.59 | BB+4.80s to A·+13.50s to Sectionals | 2026-03-06 | 2026 Florida Swimming FLAGS NORTHvenue |
| 200 Backstroke | SCY | 2:30.96 | B+0.37s to BB·+28.67s to Sectionals | 2026-07-25 | 2026 Summer Area 3 Championshipsvenue |
| 50 Breaststroke | SCY | 42.02 | +1.53s to B·+12.53s to Sectionals | 2026-07-25 | 2026 Summer Area 3 Championshipsvenue |
| 100 Breaststroke | SCY | 1:33.80 | +9.51s to B·+31.11s to Sectionals | 2026-09-19 | Kiefer - Speedo Fall Invitationalvenue |
| 50 Butterfly | SCY | 29.91 | BB+0.22s to A·+5.62s to Sectionals | 2026-03-05 | 2026 Florida Swimming FLAGS NORTH |
| 100 Butterfly | SCY | 1:06.04 | BB+2.85s to A·+13.35s to Sectionals | 2026-10-11 | WFLA Halloween Invitationalfast pool |
| 200 Butterfly | SCY | 2:24.41 | BB+2.72s to A·+25.92s to Sectionals | 2026-07-26 | 2026 Summer Area 3 Championshipsvenue |
| 100 Individual Medley | SCY | 1:14.79 | 2025-12-13 | 2025 HARRY MEISEL WESTvenue | |
| 200 Individual Medley | SCY | 2:39.45 | B+6.56s to BB·+40.06s to Sectionals | 2025-12-14 | 2025 HARRY MEISEL WESTvenue |
| 400 Individual Medley | SCY | 5:28.64 | B+1.05s to BB·+76.65s to Sectionals | 2025-12-07 | 2025 Speedo Gator Holiday Classicvenue |
| 50 Freestyle | LCM | 31.68 | BB+1.09s to A·+6.09s to Sectionals | 2026-06-12 | 2026 Sarastoa Shark Openvenue |
| 100 Freestyle | LCM | 1:08.51 | BB+1.42s to A·+13.22s to Sectionals | 2026-04-17 | 2026 SAINT PETE'S 1st LONG COURSE MEETvenue |
| 200 Freestyle | LCM | 2:26.35 | BB+0.66s to A·+25.46s to Sectionals | 2026-06-27 | 2026 SPA'S SEMINOLE SUNRISE LANES SWIM MEETvenue |
| 400 Freestyle | LCM | 5:08.53 | BB+0.04s to A·+49.44s to Sectionals | 2026-06-12 | 2026 Sarastoa Shark Openvenue |
| 800 Freestyle | LCM | 10:31.06 | A+13.87s to AA·+95.47s to Sectionals | 2026-06-11 | 2026 Sarastoa Shark Openvenue |
| 50 Backstroke | LCM | 37.14 | BB+1.75s to A·+6.95s to Sectionals | 2026-06-13 | 2026 Sarastoa Shark Openvenue |
| 100 Backstroke | LCM | 1:16.42 | BB+1.53s to A·+11.93s to Sectionals | 2026-07-12 | 2026 FL Summer Age Group Championshipsvenue |
| 200 Backstroke | LCM | 2:47.50 | BB+4.81s to A·+26.81s to Sectionals | 2026-06-27 | 2026 SPA'S SEMINOLE SUNRISE LANES SWIM MEETvenue |
| 50 Butterfly | LCM | 33.46 | A+1.37s to AA·+5.67s to Sectionals | 2026-07-10 | 2026 FL Summer Age Group Championshipsvenue |
| 100 Butterfly | LCM | 1:12.98 | BB+0.89s to A·+12.49s to Sectionals | 2026-06-27 | 2026 SPA'S SEMINOLE SUNRISE LANES SWIM MEETvenue |
| 200 Butterfly | LCM | 2:37.20 | A+2.01s to AA·+19.81s to Sectionals | 2026-06-28 | 2026 SPA'S SEMINOLE SUNRISE LANES SWIM MEETvenue |
| 200 Individual Medley | LCM | 2:57.90 | B+1.11s to BB·+40.21s to Sectionals | 2026-06-28 | 2026 SPA'S SEMINOLE SUNRISE LANES SWIM MEETvenue |
| 400 Individual Medley | LCM | 6:29.99 | B+12.30s to BB·+96.10s to Sectionals | 2025-06-21 | 2025 Shark Openvenue |
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.
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.
Fastest relay legs
| Leg | Course | Time | Start | Relay | Date | Meet |
|---|---|---|---|---|---|---|
| 50 Freestyle | SCY | 33.65 | flat | 200 Free Relay | 2024-03-03 | 2024 Florida Swimming FLAGS NORTH |
| 50 Freestyle | SCY | 28.62 | flying | 200 Free Relay (leg 4) | 2025-12-05 | 2025 Speedo Gator Holiday Classic |
| 100 Freestyle | SCY | 1:01.79 | flat | 400 Free Relay | 2026-03-08 | 2026 Florida Swimming FLAGS NORTH |
| 100 Freestyle | SCY | 1:07.88 | flying | 400 Free Relay (leg 4) | 2025-03-09 | 2025 Florida Swimming FLAGs - SOUTH |
| 50 Backstroke | SCY | 33.33 | flat | 200 Medley Relay | 2026-03-07 | 2026 Florida Swimming FLAGS NORTH |
| 50 Butterfly | SCY | 25.83 | flying | 200 Medley Relay (leg 3) | 2025-03-08 | 2025 Florida Swimming FLAGs - SOUTH |
| 100 Butterfly | SCY | 1:05.82 | flying | 400 Medley Relay (leg 3) | 2026-03-05 | 2026 Florida Swimming FLAGS NORTH |
| 50 Freestyle | LCM | 30.84 | flying | 200 Free Relay (leg 2) | 2026-07-10 | 2026 FL Summer Age Group Championships |
| 100 Freestyle | LCM | 1:07.71 | flying | 400 Free Relay (leg 3) | 2026-07-11 | 2026 FL Summer Age Group Championships |
| 50 Backstroke | LCM | 43.51 | flat | 200 Medley Relay | 2024-07-13 | 2024 FL Summer Age Group Championships |
| 50 Butterfly | LCM | 33.36 | flying | 200 Medley Relay (leg 3) | 2026-07-09 | 2026 FL Summer Age Group Championships |
| 100 Butterfly | LCM | 1:13.08 | flying | 400 Medley Relay (leg 3) | 2026-07-10 | 2026 FL Summer Age Group Championships |
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
IMX 13-14 · LCM
2657 points (5/6 events — incomplete)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 5:08.53 | 607 |
| 200 BK LCM | 2:47.50 | 538 |
| 200 FL LCM | 2:37.20 | 630 |
| 200 IM LCM | 2:57.90 | 458 |
| 400 IM LCM | 6:29.99 | 424 |
| 200 BR LCM | — | 0 |
IMR 13-14 · SCY
2180 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR SCY | 2:13.10 | 517 |
| 100 BK SCY | 1:08.59 | 474 |
| 100 BR SCY | 1:33.80 | 266 |
| 100 FL SCY | 1:06.04 | 513 |
| 200 IM SCY | 2:39.45 | 410 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 1:00.11
Front half 28.90s · back half 31.21s
200 Freestyle SCY 2:13.10
Front half 63.97s · back half 69.13s
500 Freestyle SCY 5:44.42
Front half 170.19s · back half 174.23s
1000 Freestyle SCY 12:05.43
Front half 366.75s · back half 358.68s
100 Backstroke SCY 1:08.59 RT 0.75s
Front half 33.15s · back half 35.44s
200 Backstroke SCY 2:30.96
Front half 73.65s · back half 77.31s
100 Breaststroke SCY 1:33.80
Front half 44.52s · back half 49.28s
100 Butterfly SCY 1:06.04
Front half 31.65s · back half 34.39s
200 Butterfly SCY 2:24.41
Front half 68.56s · back half 75.85s
100 Individual Medley SCY 1:14.79
Front half 33.88s · back half 40.91s
200 Individual Medley SCY 2:39.45
Front half 72.57s · back half 86.88s
400 Individual Medley SCY 5:28.64
Front half 151.72s · back half 176.92s
100 Freestyle LCM 1:08.51
Front half 33.43s · back half 35.08s
200 Freestyle LCM 2:26.35
Front half 70.52s · back half 75.83s
400 Freestyle LCM 5:08.53
Front half 152.25s · back half 156.28s
800 Freestyle LCM 10:31.06
Front half 316.98s · back half 314.08s
100 Backstroke LCM 1:16.42 RT 0.69s
Front half 36.90s · back half 39.52s
200 Backstroke LCM 2:47.50
Front half 83.16s · back half 84.34s
100 Butterfly LCM 1:12.98
Front half 34.47s · back half 38.51s
200 Butterfly LCM 2:37.20
Front half 74.22s · back half 82.98s
200 Individual Medley LCM 2:57.90
Front half 80.55s · back half 97.35s
400 Individual Medley LCM 6:29.99
Front half 183.19s · back half 206.80s
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.
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.