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Sienna Brackney
Class of 2027 · Guilford, CT
High school track and field athlete profile
National rank · #10302
CT rank · #228
0 stars ☆☆☆☆☆
Main · Mile
Secondary · 800m
Athlete overview
Graduation year
2027
Hometown
Guilford, CT
School / team
Guilford High School
Primary event
Mile
Secondary event
800m
Results tracked
62
Star rating
0
TRAX-Score
63.002
Top-End
63.2
Consistency
62.2
Versatility
62.7
Big Meet
65.4
Personal records
Best scored mark in each event across the athlete's complete performance history.
7 events
55m
PR
9.79
Indoor · 2024
Event Score 21.2
800m
PR
2:33.35
Outdoor · 2024
Event Score 54.3
1000m
PR
3:36.67
Indoor · 2025
Event Score 43.2
1600m
PR
5:42.31
Outdoor · 2024
Event Score 54.7
3000m
PR
12:35.67
Indoor · 2025
Event Score 41.1
3200m
PR
12:44.17
Outdoor · 2024
Event Score 50.0
5000m
PR
21:52.80
Cross Country · 2024
Event Score 40.1
Performance history
62 results shown
All events
All years
| Event | Mark | Event Score | Meet | Year | Season | Place |
|---|---|---|---|---|---|---|
| 1600m | 5:42.31 | 54.7 | CIAC Class MM Girls Championship | 2024 | Outdoor | 7 |
| 800m | 2:33.35 | 54.3 | SCC Outdoor Championships | 2024 | Outdoor | 12 |
| 1600m | 5:43.86 | 53.8 | SCC Outdoor Championships | 2024 | Outdoor | 12 |
| 1600m | 5:48.86 | 51.1 | Guilford @ Amity | 2024 | Outdoor | 3 |
| 1600m | 5:49.14 | 51 | SCC Eastern Sectional | 2024 | Outdoor | 7 |
| 800m | 2:36.38 | 50.3 | SCC Eastern Sectional | 2024 | Outdoor | 7 |
| 800m | 2:36.53 | 50.1 | Guilford @ Amity | 2024 | Outdoor | 5 |
| 3200m | 12:44.17 | 50 | Cheshire & Daniel Hand @ Guilford | 2024 | Outdoor | 6 |
| 800m | 2:37.76 | 48.5 | Middletown Frosh & Soph Invite | 2024 | Outdoor | 5 |
| 1600m | 5:54.43 | 48.2 | 94th Greater Hartford Invitational | 2026 | Outdoor | 13 |
| 1600m | 5:54.26 | 48.2 | Lauralton Hall/F.Prep & Wilbur Cross @ Guilford | 2024 | Outdoor | 5 |
| 800m | 2:38.31 | 47.8 | 93rd Greater Hartford Invitational | 2025 | Outdoor | 24 |
| 1600m | 5:55.89 | 47.4 | SCC Outdoor Championships | 2026 | Outdoor | 15 |
| 800m | 2:38.76 | 47.3 | Lauralton Hall/F.Prep & Wilbur Cross @ Guilford | 2024 | Outdoor | 3 |
| 1600m | 5:56.20 | 47.2 | Sheehan vs Guilford & Shelton | 2024 | Outdoor | 8 |
| 1600m | 5:56.58 | 47 | SCC East Sectional | 2025 | Outdoor | 22 |
| 800m | 2:39.20 | 46.7 | Guilford vs North Haven | 2026 | Outdoor | 4 |
| 1600m | 5:57.35 | 46.6 | SCC West Sectional | 2026 | Outdoor | 6 |
| 1600m | 5:58.26 | 46.2 | Mongovan HS Girls Invitational | 2024 | Outdoor | 17 |
| 800m | 2:39.82 | 46 | SCC West Sectional | 2026 | Outdoor | 17 |
| 800m | 2:40.21 | 45.5 | Mongovan HS Girls Invitational | 2024 | Outdoor | 17 |
| 1600m | 5:59.90 | 45.3 | Guilford vs North Haven | 2026 | Outdoor | 4 |
| 800m | 2:40.39 | 45.2 | Org-Jake Spartan Invitational | 2026 | Outdoor | 20 |
| 1600m | 6:05.20 | 44.9 | 8th James Barber Invitational | 2025 | Indoor | 12 |
| 1600m | 6:06.71 | 44.1 | SCC Girls Developmental #2 | 2025 | Indoor | 20 |
| 800m | 2:41.50 | 43.9 | Sheehan vs Guilford & Shelton | 2024 | Outdoor | 4 |
| 1600m | 6:02.75 | 43.9 | Middletown Frosh & Soph Invite | 2025 | Outdoor | 7 |
| 1600m | 6:04.00 | 43.3 | Guilford and Branford @Law | 2026 | Outdoor | 4 |
| 1000m | 3:36.67 | 43.2 | 23rd Hillhouse Invitational | 2025 | Indoor | 18 |
| 1600m | 6:09.83 | 42.6 | 2nd Northeast Challenge | 2024 | Indoor | 3 |
| 1000m | 3:37.80 | 42.2 | SCC Girls Developmental #1 | 2025 | Indoor | 26 |
| 1600m | 6:12.65 | 41.2 | SCC Indoor Novice Meet | 2024 | Indoor | 3 |
| 800m | 2:43.80 | 41.1 | SCC East Sectional | 2025 | Outdoor | 25 |
| 3000m | 12:35.67 | 41.1 | Yale Track Classic | 2025 | Indoor | 111 |
| 1600m | 6:09.30 | 40.6 | Guilford, Lauralton Hall at Mercy/Xavier | 2025 | Outdoor | 6 |
| 1600m | 6:14.59 | 40.2 | Hillhouse Varsity Showcase | 2025 | Indoor | 34 |
| 5000m | 21:52.80 | 40.1 | SCC Cross Country Championships | 2024 | Cross Country | 35 |
| 3200m | 13:32.10 | 39.6 | Guilford-Career-East Haven | 2026 | Outdoor | 3 |
| 1000m | 3:41.24 | 39.3 | 7th James Barber Invitational | 2024 | Indoor | 22 |
| 3200m | 13:34.47 | 39.1 | East Haven-Hamden-Guilford | 2025 | Outdoor | 2 |
| 3200m | 13:42.51 | 38.4 | SCC Indoor Championships | 2024 | Indoor | 19 |
| 800m | 2:47.14 | 37.2 | 4th Annual Ellington Invitational | 2025 | Outdoor | 16 |
| 1600m | 6:19.33 | 35.8 | Guilford-Hillhouse | 2025 | Outdoor | 2 |
| 3200m | 13:50.66 | 35.8 | Guilford-Jonathan Law-Shelton | 2025 | Outdoor | 2 |
| 800m | 2:48.70 | 35.5 | Guilford and Branford @Law | 2026 | Outdoor | 5 |
| 800m | 2:49.11 | 35 | Guilford-Hillhouse | 2025 | Outdoor | 4 |
| 3200m | 13:59.61 | 34.9 | SCC Indoor Novice Meet | 2024 | Indoor | 1 |
| 1600m | 6:26.36 | 34.7 | SCC Girls Developmental Meet #2 | 2024 | Indoor | 40 |
| 3200m | 14:00.68 | 34.7 | SCC Girls Developmental League | 2024 | Indoor | 26 |
| 3200m | 14:01.16 | 34.6 | SCC Eastern Sectional | 2024 | Indoor | 13 |
| 3200m | 13:59.11 | 34.1 | Guilford-Shelton-NDWH-SHA | 2026 | Outdoor | 5 |
| 3000m | 13:14.52 | 32.6 | 9th Wintergreen Invitational | 2024 | Indoor | 12 |
| 3200m | 14:13.48 | 31.3 | Lauralton Hall, Fairfied Prep, Guilford @ Hillhouse | 2026 | Outdoor | 5 |
| 5000m | 23:05.00 | 31.3 | Mercy-Xavier Duals | 2024 | Cross Country | 21 |
| 5000m | 23:05.10 | 31.3 | Hamden VS Career, Guilford, & Sheehan | 2023 | Cross Country | 15 |
| 5000m | 23:17.40 | 29.9 | Guilford Duals | 2025 | Cross Country | 22 |
| 5000m | 23:21.01 | 29.5 | SCC Cross Country Championships | 2025 | Cross Country | 58 |
| 5000m | 23:25.70 | 28.9 | Ocean State XC Invitational High Schools | 2025 | Cross Country | 117 |
| 5000m | 23:38.40 | 27.5 | Amity Regional Duals | 2025 | Cross Country | 18 |
| 5000m | 23:46.00 | 26.7 | CIAC Division MM Girls Championship | 2024 | Cross Country | 53 |
| 5000m | 23:46.00 | 26.7 | SCC Cross Country Championships | 2023 | Cross Country | 3 |
| 55m | 9.79 | 21.2 | SCC Girls Developmental Meet #2 | 2024 | Indoor | 176 |
