Derek Cheng
Age: 13 years old Age Category: 13-14 Team: Daly City Dolphins | Pacific Swimming
Personal Best
Short course distance
| Event | Time | Age | Date | Standard | Next Standard | Pacific Swimming | Daly City Dolphins | |
|---|---|---|---|---|---|---|---|---|
| Free 50 Y | 43.94 | 12 | 12/14/2024 | B: 29.89 (+14.05s | 32.0%) | 1,000+ | 31 | ||
| Free 100 Y | 1:18.93 | 13 | 10/11/2025 | B: 1:04.99 (+13.94s | 17.7%) | 1,000+ | 22 | ||
| Breast 100 Y | 2:10.40 | 12 | 12/14/2024 | B: 1:20.49 (+49.91s | 38.3%) | 1,000+ | 27 | ||
| Fly 100 Y | 1:29.27 | 13 | 10/11/2025 | B: 1:10.49 (+18.78s | 21.0%) | 647 | 9 | ||
Long course distance
| Event | Time | Age | Date | Standard | Next Standard | Pacific Swimming | Daly City Dolphins | |
|---|---|---|---|---|---|---|---|---|
| Free 50 M | 41.23 | 12 | 07/19/2025 | B: 34.29 (+6.94s | 16.8%) | 971 | 14 | ||
| Free 100 M | 1:46.83 | 12 | 06/06/2025 | B: 1:15.09 (+31.74s | 29.7%) | 1,000+ | 17 | ||
| Back 100 M | 1:47.47 | 12 | 06/27/2025 | B: 1:23.69 (+23.78s | 22.1%) | 663 | 9 | ||
Above are the fastest times that Derek Cheng has achieved in his swimming career. For each event, you can find Derek's best time, the corresponding time standard, as well as how much faster Derek needs to be to reach the next level. The last columns provide Derek rankings at the team and LSC levels. These rankings are based on the Derek's personal best, his current age category, and team; and are calculated from all the meets results.
Time Standards
Short Course Distance
| Event | Best Time | Age Group Championship | Far Western | Senior Open | Senior 2 | Western Zone Sr. | Sectionals | 18U Spring Cup | Futures | Jrs - Winter | US Open | Summer Champ | NATIONAL | SouthWestern Age Group Regional |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Free 50 Y | 43.94 | 25.29 (+18.65s | 42.4%) | 23.79 (+20.15s | 45.9%) | 26.89 (+17.05s | 38.8%) | 24.79 (+19.15s | 43.6%) | 23.29 (+20.65s | 47.0%) | 22.19 (+21.75s | 49.5%) | 21.29 (+22.65s | 51.5%) | 21.29 (+22.65s | 51.5%) | 20.59 (+23.35s | 53.1%) | 20.09 (+23.85s | 54.3%) | 20.39 (+23.55s | 53.6%) | N/A | 26.29 (+17.65s | 40.2%) |
| Free 100 Y | 1:18.93 | 54.39 (+24.54s | 31.1%) | 51.69 (+27.24s | 34.5%) | 58.69 (+20.24s | 25.6%) | 54.19 (+24.74s | 31.3%) | 51.19 (+27.74s | 35.1%) | 48.19 (+30.74s | 38.9%) | 46.39 (+32.54s | 41.2%) | 46.39 (+32.54s | 41.2%) | 45.09 (+33.84s | 42.9%) | 43.49 (+35.44s | 44.9%) | 44.39 (+34.54s | 43.8%) | N/A | 56.69 (+22.24s | 28.2%) |
| Breast 100 Y | 2:10.40 | 1:10.39 (+60.01s | 46.0%) | 1:05.49 (+64.91s | 49.8%) | 1:13.59 (+56.81s | 43.6%) | 1:07.89 (+62.51s | 47.9%) | 1:02.89 (+67.51s | 51.8%) | 1:00.89 (+69.51s | 53.3%) | 57.99 (+72.41s | 55.5%) | 57.99 (+72.41s | 55.5%) | 55.89 (+74.51s | 57.1%) | 54.19 (+76.21s | 58.4%) | 55.29 (+75.11s | 57.6%) | N/A | 1:01.79 (+68.61s | 52.6%) |
| Fly 100 Y | 1:29.27 | 1:01.09 (+28.18s | 31.6%) | 57.79 (+31.48s | 35.3%) | 1:03.89 (+25.38s | 28.4%) | 58.99 (+30.28s | 33.9%) | 55.49 (+33.78s | 37.8%) | 52.89 (+36.38s | 40.8%) | 50.59 (+38.68s | 43.3%) | 50.59 (+38.68s | 43.3%) | 48.99 (+40.28s | 45.1%) | 47.79 (+41.48s | 46.5%) | 48.39 (+40.88s | 45.8%) | N/A | N/A |
Long Course Distance
| Event | Best Time | Age Group Championship | Far Western | Senior Open | Senior 2 | Western Zone Sr. | Sectionals | 18U Spring Cup | Futures | Jrs - Winter | US Open | Summer Champ | NATIONAL | U.S Olympic Team Trials | SouthWestern Age Group Regional |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Free 50 M | 41.23 | 28.49 (+12.74s | 30.9%) | 27.29 (+13.94s | 33.8%) | 30.19 (+11.04s | 26.8%) | 27.89 (+13.34s | 32.4%) | 26.79 (+14.44s | 35.0%) | 25.89 (+15.34s | 37.2%) | 24.59 (+16.64s | 40.4%) | 24.59 (+16.64s | 40.4%) | 24.29 (+16.94s | 41.1%) | 23.39 (+17.84s | 43.3%) | 23.79 (+17.44s | 42.3%) | N/A | 22.79 (+18.44s | 44.7%) | 30.19 (+11.04s | 26.8%) |
| Free 100 M | 1:46.83 | 1:02.09 (+44.74s | 41.9%) | 59.79 (+47.04s | 44.0%) | 1:07.39 (+39.44s | 36.9%) | 1:02.19 (+44.64s | 41.8%) | 59.19 (+47.64s | 44.6%) | 56.09 (+50.74s | 47.5%) | 53.59 (+53.24s | 49.8%) | 53.59 (+53.24s | 49.8%) | 52.59 (+54.24s | 50.8%) | 50.99 (+55.84s | 52.3%) | 51.99 (+54.84s | 51.3%) | N/A | 49.99 (+56.84s | 53.2%) | 1:04.89 (+41.94s | 39.3%) |
| Back 100 M | 1:47.47 | 1:12.19 (+35.28s | 32.8%) | 1:07.99 (+39.48s | 36.7%) | 1:15.49 (+31.98s | 29.8%) | 1:09.69 (+37.78s | 35.2%) | 1:05.89 (+41.58s | 38.7%) | 1:03.29 (+44.18s | 41.1%) | 1:00.59 (+46.88s | 43.6%) | 1:00.59 (+46.88s | 43.6%) | 58.89 (+48.58s | 45.2%) | 57.29 (+50.18s | 46.7%) | 58.19 (+49.28s | 45.9%) | N/A | 55.69 (+51.78s | 48.2%) | 1:13.09 (+34.38s | 32.0%) |
Progression
See how Derek Cheng is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Derek's time to another swimmer's and even view their profile for more information about them.
Meets
See all the meets Derek Cheng has participated in and his achievement. The last event displayed is the most recent. For each event, you can find the Derek's time, the progress against Derek's best time, the corresponding time standard, as well as how much faster Derek needs to be to reach the next level.
| Event | Time | Progress | Standard | Next Standard | Age | Heat | Lane | Ranking | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| TYR BAC SPOOKY FALL CLASSIC | 10/25/2025 | Burlingame | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 100 Y Free | 1:20.31 |
|
+1.38s | B: 1:04.99 (+15.32s | 19.1%) | 13 | 3 | 7 | 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| SSF October Splash C B A+ Meet | 10/11/2025 | Pacifica | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 100 Y Fly | 1:29.27 | B: 1:10.49 (+18.78s | 21.0%) | 13 | 6 | 1 | 6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 100 Y Free | 1:18.93 | B: 1:04.99 (+13.94s | 17.7%) | 13 | 5 | 4 | 8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 Y Back | 39.87 | -6.31s (New PB) | 13 | 5 | 7 | 9 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Alto Last Splash | 07/19/2025 | Fremont | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 M Back | 45.15 | -3.36s (New PB) | B: 44.49 (+0.66s | 1.5%) | 12 | 4 | 5 | 6 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 M Free | 41.23 | -5.45s (New PB) | B: 37.39 (+3.84s | 9.3%) | 12 | 9 | 7 | 7 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 M Breast | 53.67 | -4.52s (New PB) | B: 49.79 (+3.88s | 7.2%) | 12 | 3 | 6 | 6 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 M Fly | 46.00 | -3.06s (New PB) | B: 41.99 (+4.01s | 8.7%) | 12 | 2 | 1 | 4 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Silicon Valley LC CBA+ Meet | 06/27/2025 | Sunnyvale | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 M Free | 46.68 | B: 37.39 (+9.29s | 19.9%) | 12 | 6 | 2 | 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 100 M Back | 1:47.47 | B: 1:37.19 (+10.28s | 9.6%) | 12 | 4 | 3 | 9 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 M Breast | 58.19 | B: 49.79 (+8.40s | 14.4%) | 12 | 6 | 8 | 3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| BAC C B A Meet | 06/06/2025 | Burlingame | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 100 M Free | 1:46.83 | B: 1:22.09 (+24.74s | 23.2%) | 12 | 6 | 1 | 6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 M Fly | 49.06 | B: 41.99 (+7.07s | 14.4%) | 12 | 6 | 6 | 8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 M Back | 48.51 | B: 44.49 (+4.02s | 8.3%) | 12 | 7 | 6 | 6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2024 DCD Winter Holiday Spalsh | 12/14/2024 | Daly City | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 100 Y IM | 1:46.24 | -8.12s (New PB) | B: 1:21.89 (+24.35s | 22.9%) | 12 | 6 | 7 | 2 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 Y Free | 43.94 | -5.26s (New PB) | B: 32.79 (+11.15s | 25.4%) | 12 | 6 | 6 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 100 Y Breast | 2:10.40 | B: 1:32.59 (+37.81s | 29.0%) | 12 | 5 | 7 | 3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| PSL SC CBA+ Meet | 11/09/2024 | Pacifica | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 100 Y IM | 1:54.36 | B: 1:21.89 (+32.47s | 28.4%) | 12 | 5 | 1 | 7 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 Y Fly | 49.22 | +2.81s | B: 37.09 (+12.13s | 24.6%) | 12 | 4 | 6 | 3 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 Y Back | 50.62 | +4.44s | B: 38.49 (+12.13s | 24.0%) | 12 | 3 | 3 | 8 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| TYR BAC Spooky Fall Classic C B A+ Meet | 10/26/2024 | Burlingame | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 Y Back | 46.18 | B: 38.49 (+7.69s | 16.7%) | 12 | 9 | 8 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| South San Francisco C B A+ | 09/21/2024 | Pacifica | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 Y Free | 49.20 | B: 32.79 (+16.41s | 33.4%) | 12 | 8 | 2 | 8 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 50 Y Fly | 46.41 | B: 37.09 (+9.32s | 20.1%) | 12 | 4 | 6 | 3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Disclaimer: This Website is not affiliated with USA Swimming or any Local Swim Committee. The rankings and times displayed on this website are unofficial and should not be viewed as such. We update our information regularly, but we cannot guarantee that the data is accurate, timely, or complete. The only purpose of this website is entertainment. None of the information here should be used for university admission applications.