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Mary Seifert
Class of 2027 · Highlands Ranch, CO
High school track and field athlete profile
National rank · #2478
CO rank · #67
2 stars ★★☆☆☆
Main · Mile
Secondary · 5000m
Athlete overview
Graduation year
2027
Hometown
Highlands Ranch, CO
School / team
ThunderRidge High School
Primary event
Mile
Secondary event
5000m
Results tracked
70
Star rating
2
TRAX-Score
75.647
Top-End
75.6
Consistency
74.8
Versatility
74.8
Big Meet
80.1
Personal records
Best scored mark in each event across the athlete's complete performance history.
9 events
400m
PR
1:08.35
Outdoor · 2023
Event Score 51.4
800m
PR
2:22.72
Outdoor · 2026
Event Score 69.2
1500m
PR
4:56.54
Outdoor · 2025
Event Score 69.4
1600m
PR
5:09.60
Outdoor · 2026
Event Score 74.0
Mile
PR
5:17.50
Indoor · 2025
Event Score 72.9
3000m
PR
13:59.00
Cross Country · 2021
Event Score 23.1
3200m
PR
11:36.67
Outdoor · 2026
Event Score 66.5
2 Mile
PR
12:42.00
Cross Country · 2023
Event Score 51.6
5000m
PR
18:07.50
Cross Country · 2024
Event Score 72.8
Performance history
70 results shown
All events
All years
| Event | Mark | Event Score | Meet | Year | Season | Place |
|---|---|---|---|---|---|---|
| 1600m | 5:09.60 | 74 | HOKA St. Vrain Invitational | 2026 | Outdoor | 32 |
| Mile | 5:17.50 | 72.9 | CU Invitational | 2025 | Indoor | 24 |
| 5000m | 18:07.50 | 72.8 | Liberty Bell Cross Country Invitational | 2024 | Cross Country | 1 |
| 5000m | 18:10.08 | 72.4 | Nike Cross Nationals Southwest Regional | 2024 | Cross Country | 56 |
| 1600m | 5:12.46 | 72.2 | Continental League Championship | 2025 | Outdoor | 7 |
| 5000m | 18:11.60 | 72.2 | Liberty Bell Cross Country Invitational | 2025 | Cross Country | 38 |
| 1600m | 5:13.67 | 71.5 | HOKA St. Vrain Invitational | 2024 | Outdoor | 26 |
| 1600m | 5:13.84 | 71.4 | Longmont Invitational | 2025 | Outdoor | 1 |
| Mile | 5:15.96 | 71.2 | Nike Outdoor Nationals | 2025 | Outdoor | 68 |
| 1600m | 5:14.34 | 71 | Nike Outdoor Nationals | 2025 | Outdoor | 69 |
| 5000m | 18:22.47 | 70.4 | Warrior Lincoln Park Classic "Mountain States Challenge" | 2024 | Cross Country | 2 |
| 5000m | 18:26.93 | 69.7 | 5A Colorado State Cross Country Championships | 2024 | Cross Country | 20 |
| 1500m | 4:56.54 | 69.4 | Nike Outdoor Nationals | 2025 | Outdoor | 70 |
| 800m | 2:22.72 | 69.2 | Altitude Invite | 2026 | Outdoor | 13 |
| 1600m | 5:17.54 | 69.1 | Windjammer Track Classic | 2025 | Outdoor | 6 |
| 1600m | 5:17.66 | 69 | Mickey Dunn Invitational | 2025 | Outdoor | 1 |
| 800m | 2:22.89 | 68.9 | Continental League Championship | 2026 | Outdoor | 4 |
| 800m | 2:22.89 | 68.9 | Continental League Championship | 2026 | Outdoor | 4 |
| 1600m | 5:18.09 | 68.7 | Continental League FR/SO Championships 2025 | 2025 | Outdoor | 1 |
| 1600m | 5:18.97 | 68.2 | Stutler Twilight | 2026 | Outdoor | 15 |
| 800m | 2:23.47 | 68.1 | Huskie Twilight (MEET MOVED TO 4/21) | 2025 | Outdoor | 12 |
| Mile | 5:26.02 | 67.7 | Mines Indoor HS Meet Series #5 | 2025 | Indoor | 4 |
| 800m | 2:23.94 | 67.4 | Teddy's Last Chance Qualifier | 2026 | Outdoor | 9 |
| 800m | 2:24.13 | 67.1 | Mickey Dunn Invitational | 2025 | Outdoor | 3 |
| 1600m | 5:21.00 | 67 | The Pomona Invitational | 2025 | Outdoor | 18 |
| 800m | 2:24.36 | 66.8 | Longmont Invitational | 2025 | Outdoor | 8 |
| 5000m | 18:46.49 | 66.6 | Colorado 5A Region 2 | 2025 | Cross Country | 16 |
| 3200m | 11:36.67 | 66.5 | Huskie Twilight (meet moved to 4/20) | 2026 | Outdoor | 1 |
| 1600m | 5:26.79 | 66.1 | Colorado Classic Pre-Season #1 | 2026 | Indoor | 16 |
| 1600m | 5:22.72 | 65.9 | Northfield Nighthawk Invite | 2025 | Outdoor | 2 |
| 5000m | 18:51.40 | 65.8 | Cherry Creek Steve Lohman Invitational | 2024 | Cross Country | 14 |
| 1600m | 5:23.14 | 65.7 | The Pomona Invitational | 2024 | Outdoor | 22 |
| 800m | 2:25.71 | 64.8 | Continental League Championship | 2025 | Outdoor | 11 |
| 800m | 2:29.77 | 64.6 | Mines Indoor HS Meet Series #4 | 2025 | Indoor | 5 |
| 1600m | 5:25.40 | 64.4 | Broomfield Shootout | 2026 | Outdoor | 9 |
| 5000m | 19:01.07 | 64.3 | Nike Cross Nationals Southwest Regional | 2025 | Cross Country | 138 |
| 5000m | 19:01.20 | 64.3 | 5A Colorado State Cross Country Championships | 2025 | Cross Country | 43 |
| 5000m | 19:04.99 | 63.7 | Continental League XC Championship | 2024 | Cross Country | 7 |
| 5000m | 19:06.40 | 63.5 | Colorado 5A Region 2 | 2024 | Cross Country | 13 |
| 5000m | 19:07.20 | 63.4 | Cheyenne Mountain Stampede (Pre-State) | 2026 | Cross Country | 14 |
| 3200m | 11:50.02 | 63.1 | Northfield Nighthawk Invite | 2024 | Outdoor | 3 |
| 1600m | 5:28.74 | 62.4 | Continental League Championship | 2024 | Outdoor | 10 |
| 3200m | 11:52.58 | 62.4 | Continental League Championship | 2024 | Outdoor | 8 |
| 5000m | 19:14.33 | 62.3 | NXR Southwest Region | 2023 | Cross Country | 6 |
| 800m | 2:27.62 | 62.1 | Mickey Dunn Invitational | 2024 | Outdoor | 2 |
| 5000m | 19:16.30 | 62 | Liberty Bell Cross Country Invitational | 2023 | Cross Country | 8 |
| 1600m | 5:29.58 | 61.9 | Niwot Invitational | 2026 | Outdoor | 30 |
| 5000m | 19:20.60 | 61.3 | Cheyenne Mountain Stampede (Pre-State) | 2025 | Cross Country | 32 |
| 1600m | 5:31.84 | 60.6 | Mickey Dunn Invitational | 2024 | Outdoor | 3 |
| 800m | 2:29.17 | 59.9 | Continental League FR/SO Championships | 2024 | Outdoor | 3 |
| 1600m | 5:34.41 | 59.1 | ThunderRidge Invitational | 2026 | Outdoor | 18 |
| 800m | 2:29.98 | 58.8 | Niwot Invitational | 2026 | Outdoor | 30 |
| 5000m | 19:41.40 | 58.2 | Continental League Championships | 2025 | Cross Country | 11 |
| 5000m | 19:55.80 | 56.1 | Arapahoe Warrior XC Invitational | 2025 | Cross Country | 19 |
| 5000m | 19:57.00 | 55.9 | Dave Sanders Invitational | 2023 | Cross Country | 25 |
| 5000m | 20:11.70 | 53.8 | Arapahoe Warrior XC Invitational | 2024 | Cross Country | 21 |
| 5000m | 20:11.90 | 53.7 | Continental League Championships | 2023 | Cross Country | 17 |
| 800m | 2:34.37 | 52.9 | Continental League Championship | 2024 | Outdoor | 13 |
| 2 Mile | 12:42.00 | 51.6 | Vista Nation XC 2-Mile Invitational | 2023 | Cross Country | 13 |
| 400m | 1:08.35 | 51.4 | Sierra Eagle Invitational | 2023 | Outdoor | 6 |
| 5000m | 20:28.98 | 51.3 | Colorado 5A Region 2 | 2023 | Cross Country | 39 |
| 5000m | 20:29.10 | 51.3 | Thornton Invitational | 2023 | Cross Country | 24 |
| 1600m | 5:58.73 | 45.9 | Sierra Eagle Invitational | 2023 | Outdoor | 4 |
| 2 Mile | 13:10.00 | 45.3 | Vista Nation XC 2-Mile Invitational | 2024 | Cross Country | 30 |
| 5000m | 21:36.30 | 42.2 | Arapahoe Warrior XC Invitational | 2023 | Cross Country | 8 |
| 2 Mile | 14:02.00 | 34.5 | Lions Cross Country Classic | 2022 | Cross Country | 15 |
| 2 Mile | 14:10.00 | 33 | Lions XC Classic | 2021 | Cross Country | 29 |
| 2 Mile | 14:35.70 | 28.2 | Rocky Heights Invitational | 2022 | Cross Country | 10 |
| 3000m | 13:59.00 | 23.1 | Kokopelli Invitational | 2021 | Cross Country | 25 |
| 3000m | 14:16.20 | 20 | Colorado AAU Region 20 | 2021 | Cross Country | 21 |
