Sienna Horneman
Personal records
| Event | Course | Best | Cut | Date | Meet |
|---|---|---|---|---|---|
| 50 Freestyle | SCY | 26.28 | AA+0.59s to AAA | 2025-11-15 | 2025 CA Veterans' Day Classic SCY venue |
| 100 Freestyle | SCY | 56.74 | AA+0.95s to AAA | 2025-11-16 | 2025 CA Veterans' Day Classic SCY venue |
| 200 Freestyle | SCY | 1:58.40 | AAA+3.01s to AAAA | 2025-03-15 | 2025 SCS Spring Age Group Champs @ Armada venue |
| 300 Freestyle | SCY | 3:11.57 | 2025-01-25 | 2025 SCS All-Star Festival slow pool | |
| 500 Freestyle | SCY | 5:15.51 | AAA+6.22s to AAAA | 2026-03-13 | 2026 SCS Spring Age Group Champs @ RMDA - cop venue |
| 1000 Freestyle | SCY | 11:28.88 | AA+19.39s to AAA | 2024-10-19 | 2024 CA CHS Sharktoberfest A, BB, B Meet slow pool |
| 1650 Freestyle | SCY | 18:48.53 | AA+8.64s to AAA | 2025-01-10 | 2025 CA CCAQ EC SC ABC Meet venue |
| 50 Backstroke | SCY | 30.93 | A+0.94s to AA | 2026-02-14 | 2026 CA TCC BB/B/C Short Course Meet venue |
| 100 Backstroke | SCY | 1:07.88 | BB+1.69s to A | 2025-11-15 | 2025 CA Veterans' Day Classic SCY venue |
| 200 Backstroke | SCY | 2:23.01 | A+5.12s to AA | 2026-02-14 | 2026 CA TCC BB/B/C Short Course Meet venue |
| 50 Breaststroke | SCY | 34.19 | AA+1.10s to AAA | 2025-01-25 | 2025 SCS All-Star Festival slow pool |
| 100 Breaststroke | SCY | 1:09.60 | AAA+3.01s to AAAA | 2025-12-12 | 2025 CA SCS/RAA WAG venue |
| 200 Breaststroke | SCY | 2:29.41 | AAA+6.12s to AAAA | 2026-02-01 | 2026 CA Eastern Committee Winter SCY Champs fast pool |
| 50 Butterfly | SCY | 28.72 | AA+0.43s to AAA | 2026-01-24 | 2026 SCS Swim Festival venue |
| 100 Butterfly | SCY | 1:00.45 | AA+0.06s to AAA | 2026-02-01 | 2026 CA Eastern Committee Winter SCY Champs fast pool |
| 200 Butterfly | SCY | 2:14.21 | AAA+5.62s to AAAA | 2025-03-16 | 2025 SCS Spring Age Group Champs @ Armada venue |
| 100 Individual Medley | SCY | 1:06.18 | 2024-10-19 | 2024 CA CHS Sharktoberfest A, BB, B Meet slow pool | |
| 200 Individual Medley | SCY | 2:12.18 | AAA+2.79s to AAAA | 2026-02-01 | 2026 CA Eastern Committee Winter SCY Champs fast pool |
| 400 Individual Medley | SCY | 4:49.02 | AA+1.33s to AAA | 2025-09-27 | 2025 CA RAA AB/C SC Meet venue |
| 50 Freestyle | LCM | 29.65 | AA+0.26s to AAA | 2025-07-12 | 2025 CA CCAQ Eastern Committee LC Champs venue |
| 100 Freestyle | LCM | 1:04.36 | AA+0.57s to AAA | 2025-07-23 | 2025 CA SCS Summer A/G Champs |
| 200 Freestyle | LCM | 2:13.35 | AAA+1.76s to AAAA | 2025-07-24 | 2025 CA SCS Summer A/G Champs |
| 400 Freestyle | LCM | 4:41.27 | AAA+4.58s to AAAA | 2025-07-18 | 2025 SCS 14-Under Elite A/G Champs at MVN venue |
| 800 Freestyle | LCM | 10:06.18 | AA+4.19s to AAA | 2025-07-12 | 2025 CA CCAQ Eastern Committee LC Champs venue |
| 50 Backstroke | LCM | 37.64 | BB+1.05s to A | 2025-05-25 | 2025 CA RST BB/B/C Long Course Meet venue |
| 100 Backstroke | LCM | 1:20.13 | BB+3.04s to A | 2025-05-24 | 2025 CA RST BB/B/C Long Course Meet venue |
| 200 Backstroke | LCM | 2:38.60 | AA+6.21s to AAA | 2025-07-23 | 2025 CA SCS Summer A/G Champs |
| 50 Breaststroke | LCM | 40.34 | A+0.95s to AA | 2024-07-26 | 2024 CA SCS/RAA Summer A/G Champs venue |
| 100 Breaststroke | LCM | 1:19.53 | AAA+2.74s to AAAA | 2025-07-24 | 2025 CA SCS Summer A/G Champs |
| 200 Breaststroke | LCM | 2:54.85 | AA+1.36s to AAA | 2025-07-26 | 2025 CA SCS Summer A/G Champs |
| 50 Butterfly | LCM | 33.59 | A+0.80s to AA | 2026-04-11 | 2026 CA YST LC A/BB/B 13 & up C Meet venue |
| 100 Butterfly | LCM | 1:09.67 | AA+0.98s to AAA | 2025-07-18 | 2025 SCS 14-Under Elite A/G Champs at MVN venue |
| 200 Butterfly | LCM | 2:35.10 | AA+0.51s to AAA | 2026-06-12 | 2026 SCS June AG Invite venue |
| 200 Individual Medley | LCM | 2:30.02 | AAA+1.93s to AAAA | 2025-07-25 | 2025 CA SCS Summer A/G Champs |
| 400 Individual Medley | LCM | 5:20.71 | AAA+6.82s to AAAA | 2025-07-19 | 2025 SCS 14-Under Elite A/G Champs at MVN venue |
Cuts are USA Swimming single-age motivational standards (B → AAAA) at age 14.
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 | 25.71 | flying | 200 Free Relay (leg 4) | 2025-12-12 | 2025 CA SCS/RAA WAG |
| 100 Freestyle | SCY | 59.48 | flying | 400 Free Relay (leg 4) | 2024-12-13 | 2024 CA RAA/SCS WAG |
| 50 Breaststroke | SCY | 33.96 | flying | 200 Medley Relay (leg 2) | 2025-02-01 | 2025 Eastern Committee AB Winter Champs |
| 50 Butterfly | SCY | 29.21 | flying | 200 Medley Relay (leg 3) | 2025-12-14 | 2025 CA SCS/RAA WAG |
| 100 Butterfly | SCY | 1:04.81 | flying | 400 Medley Relay (leg 3) | 2024-12-15 | 2024 CA RAA/SCS WAG |
| 50 Freestyle | LCM | 32.02 | flat | 200 Free Relay | 2024-07-26 | 2024 CA SCS/RAA Summer A/G Champs |
| 50 Freestyle | LCM | 29.79 | flying | 200 Free Relay (leg 4) | 2025-07-12 | 2025 CA CCAQ Eastern Committee LC Champs |
| 50 Freestyle | LCM | 28.60 | flying | 200 Medley Relay (leg 4) | 2026-06-14 | 2026 SCS June AG Invite |
| 50 Butterfly | LCM | 34.66 | flying | 200 Medley Relay (leg 3) | 2024-07-26 | 2024 CA SCS/RAA Summer A/G Champs |
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
5291 points (6/6 events)
| Event | Time | Points |
|---|---|---|
| 400 FR LCM | 4:41.27 | 945 |
| 200 BK LCM | 2:38.60 | 764 |
| 200 BR LCM | 2:54.85 | 844 |
| 200 FL LCM | 2:35.10 | 847 |
| 200 IM LCM | 2:30.02 | 958 |
| 400 IM LCM | 5:20.71 | 933 |
IMR 13-14 · LCM
4234 points (5/5 events)
| Event | Time | Points |
|---|---|---|
| 200 FR LCM | 2:13.35 | 958 |
| 100 BK LCM | 1:20.13 | 592 |
| 100 BR LCM | 1:19.53 | 900 |
| 100 FL LCM | 1:09.67 | 826 |
| 200 IM LCM | 2:30.02 | 958 |
Scored against AAAA motivational base times: ordering is exact, absolute points run ~25% above the official USA Swimming scale.
PR splits
100 Freestyle SCY 56.74
Front half 27.81s · back half 28.93s
200 Freestyle SCY 1:58.40
Front half 58.29s · back half 60.11s
300 Freestyle SCY 3:11.57
Front half 93.96s · back half 97.61s
500 Freestyle SCY 5:15.51
Front half 157.75s · back half 157.76s
1000 Freestyle SCY 11:28.88
Front half 346.98s · back half 341.90s
1650 Freestyle SCY 18:48.53
100 Backstroke SCY 1:07.88
Front half 33.49s · back half 34.39s
200 Backstroke SCY 2:23.01
Front half 71.81s · back half 71.20s
100 Breaststroke SCY 1:09.60
Front half 33.41s · back half 36.19s
200 Breaststroke SCY 2:29.41
Front half 73.08s · back half 76.33s
100 Butterfly SCY 1:00.45
Front half 28.99s · back half 31.46s
200 Butterfly SCY 2:14.21
100 Individual Medley SCY 1:06.18
Front half 31.96s · back half 34.22s
200 Individual Medley SCY 2:12.18
Front half 64.66s · back half 67.52s
400 Individual Medley SCY 4:49.02
Front half 141.76s · back half 147.26s
100 Freestyle LCM 1:04.36 RT 0.69s
Front half 31.71s · back half 32.65s
200 Freestyle LCM 2:13.35 RT 0.58s
Front half 65.07s · back half 68.28s
400 Freestyle LCM 4:41.27
Front half 139.98s · back half 141.29s
800 Freestyle LCM 10:06.18
Front half 297.88s · back half 308.30s
100 Backstroke LCM 1:20.13
Front half 39.73s · back half 40.40s
200 Backstroke LCM 2:38.60 RT 0.75s
Front half 78.40s · back half 80.20s
100 Breaststroke LCM 1:19.53 RT 0.68s
Front half 37.77s · back half 41.76s
200 Breaststroke LCM 2:54.85 RT 0.69s
Front half 85.59s · back half 89.26s
100 Butterfly LCM 1:09.67
Front half 32.81s · back half 36.86s
200 Butterfly LCM 2:35.10
Front half 75.30s · back half 79.80s
200 Individual Medley LCM 2:30.02 RT 0.69s
Front half 73.04s · back half 76.98s
400 Individual Medley LCM 5:20.71
Front half 157.37s · back half 163.34s
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.