Jemma Johnston

Age: 13 years old
Age Category: 13-14
Team: Rush | South Texas Swimming

Personal Best

Short course distance

Event

Time

Age

Date

Standard

Next Standard

South Texas Swimming

Rush

Free 50 Y

43.37

10/25/2024

B: 32.49 (+10.88s | 25.1%)

683

Free 100 Y

1:31.77

11/01/2025

B: 1:10.99 (+20.78s | 22.6%)

630

50 Free

43.48

100 Free

48.29

1:31.77

100 Free

1:31.77

Back 100 Y

1:44.73

11/01/2025

B: 1:16.89 (+27.84s | 26.6%)

505

50 Back

51.63

100 Back

53.10

1:44.73

100 Back

1:44.73

Long course distance

Event	Time	Age	Date	Next Standard	South Texas Swimming	Rush
Free 50 M	46.99	12	04/26/2025	B: 37.19 (+9.80s \| 20.9%)	423	6

Free 100 M	1:45.52	12	04/11/2025	B: 1:21.19 (+24.33s \| 23.1%)	405	6

Back 100 M	2:03.69	12	04/11/2025	B: 1:29.69 (+34.00s \| 27.5%)	339	2

Above are the fastest times that Jemma Johnston has achieved in her swimming career. For each event, you can find Jemma's best time, the corresponding time standard, as well as how much faster Jemma needs to be to reach the next level. The last columns provide Jemma rankings at the team and LSC levels. These rankings are based on the Jemma's personal best, her current age category, and team; and are calculated from all the meets results.

Time Standards

Got the currrent age group time standard
Time standard for the next age group and the gap to reach it
Got the next age group’s time standard.

Short Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 Y	43.37	24.89 (+18.48s \| 42.6%)	23.89 (+19.48s \| 44.9%)	23.89 (+19.48s \| 44.9%)	23.29 (+20.08s \| 46.3%)	22.59 (+20.78s \| 47.9%)	22.79 (+20.58s \| 47.5%)	27.99 (+15.38s \| 35.5%)
Free 100 Y	1:31.77	53.99 (+37.78s \| 41.2%)	51.89 (+39.88s \| 43.5%)	51.89 (+39.88s \| 43.5%)	50.39 (+41.38s \| 45.1%)	49.29 (+42.48s \| 46.3%)	49.69 (+42.08s \| 45.9%)	59.79 (+31.98s \| 34.8%)
Back 100 Y	1:44.73	59.49 (+45.24s \| 43.2%)	57.09 (+47.64s \| 45.5%)	57.09 (+47.64s \| 45.5%)	55.09 (+49.64s \| 47.4%)	53.89 (+50.84s \| 48.5%)	54.49 (+50.24s \| 48.0%)	1:05.69 (+39.04s \| 37.3%)

Long Course Distance

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	46.99	28.69 (+18.30s \| 38.9%)	27.39 (+19.60s \| 41.7%)	27.39 (+19.60s \| 41.7%)	26.89 (+20.10s \| 42.8%)	26.29 (+20.70s \| 44.1%)	26.59 (+20.40s \| 43.4%)	31.89 (+15.10s \| 32.1%)
Free 100 M	1:45.52	1:01.89 (+43.63s \| 41.3%)	59.29 (+46.23s \| 43.8%)	59.29 (+46.23s \| 43.8%)	58.19 (+47.33s \| 44.9%)	56.99 (+48.53s \| 46.0%)	57.59 (+47.93s \| 45.4%)	1:08.39 (+37.13s \| 35.2%)
Back 100 M	2:03.69	1:09.49 (+54.20s \| 43.8%)	1:06.79 (+56.90s \| 46.0%)	1:06.79 (+56.90s \| 46.0%)	1:04.79 (+58.90s \| 47.6%)	1:03.69 (+60.00s \| 48.5%)	1:04.39 (+59.30s \| 47.9%)	1:16.39 (+47.30s \| 38.2%)

Progression

See how Jemma Johnston is improving gradually by choosing the distance and the stroke you are interested in. You can also compare the Jemma's time to another swimmer's and even view their profile for more information about them.

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Meets

See all the meets Jemma Johnston has participated in and her achievement. The last event displayed is the most recent. For each event, you can find the Jemma's time, the progress against Jemma's best time, the corresponding time standard, as well as how much faster Jemma needs to be to reach the next level.

Event

Time

Progress

Standard

Next Standard

Age

Heat

Lane

Ranking

2025 ST ASC Fall Classic

11/01/2025

Austin

50 Y Free

44.10

+0.73s

B: 32.49 (+11.61s | 26.3%)

50 Y Back

47.98

+0.04s

100 Y Free

1:31.77

-1.42s (New PB)

B: 1:10.99 (+20.78s | 22.6%)

50 Free

43.48

100 Free

48.29

1:31.77

100 Free

1:31.77

100 Y Back

1:44.73

-0.17s (New PB)

B: 1:16.89 (+27.84s | 26.6%)

50 Back

51.63

100 Back

53.10

1:44.73

100 Back

1:44.73

50 Y Fly

1:00.87

+3.11s

2025 ST TXLA 11 Over Fall Kick Off Invite

10/17/2025

Austin

50 Y Back

47.94

-1.16s (New PB)

100 Y Back

1:44.90

B: 1:16.89 (+28.01s | 26.7%)

50 Back

51.31

100 Back

53.59

1:44.90

100 Back

1:44.90

50 Y Fly

57.76

-9.73s (New PB)

100 Y Free

1:33.19

-16.52s (New PB)

B: 1:10.99 (+22.20s | 23.8%)

50 Free

42.06

100 Free

51.13

1:33.19

100 Free

1:33.19

50 Y Free

43.86

+0.49s

B: 32.49 (+11.37s | 25.9%)

2025 ST CCSS LC Unclassified

04/26/2025

Austin

50 M Free

46.99

-3.61s (New PB)

B: 38.49 (+8.50s | 18.1%)

100 M Free

1:46.62

+1.10s

B: 1:25.59 (+21.03s | 19.7%)

50 M Fly

1:13.58

B: 41.79 (+31.79s | 43.2%)

2025 ST TXLA 11 Over Long Course Kick Off

04/11/2025

Austin

50 M Back

58.21

B: 44.79 (+13.42s | 23.1%)

100 M Free

1:45.52

B: 1:25.59 (+19.93s | 18.9%)

50 M Free

50.60

B: 38.49 (+12.11s | 23.9%)

100 M Back

2:03.69

B: 1:40.59 (+23.10s | 18.7%)

2024 ST TXLA 11 Over Fall Kick Off

10/25/2024

Austin

50 Y Breast

1:37.48

+6.21s

B: 43.99 (+53.49s | 54.9%)

50 Y Free

43.37

-0.37s (New PB)

B: 33.99 (+9.38s | 21.6%)

50 Y Back

49.64

+0.54s

B: 38.79 (+10.85s | 21.9%)

2024 ST AQTX Round Rock Unclassified

09/20/2024

Round Rock

50 Y Free

43.74

B: 33.99 (+9.75s | 22.3%)

50 Y Breast

1:31.27

B: 43.99 (+47.28s | 51.8%)

100 Y Free

1:49.71

B: 1:14.69 (+35.02s | 31.9%)

50 Y Fly

1:07.49

B: 36.89 (+30.60s | 45.3%)

50 Y Back

49.10

B: 38.79 (+10.31s | 21.0%)

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.

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 Y	43.37	24.89 (+18.48s \| 42.6%)	23.89 (+19.48s \| 44.9%)	23.89 (+19.48s \| 44.9%)	23.29 (+20.08s \| 46.3%)	22.59 (+20.78s \| 47.9%)	22.79 (+20.58s \| 47.5%)	27.99 (+15.38s \| 35.5%)
Free 100 Y	1:31.77	53.99 (+37.78s \| 41.2%)	51.89 (+39.88s \| 43.5%)	51.89 (+39.88s \| 43.5%)	50.39 (+41.38s \| 45.1%)	49.29 (+42.48s \| 46.3%)	49.69 (+42.08s \| 45.9%)	59.79 (+31.98s \| 34.8%)
Back 100 Y	1:44.73	59.49 (+45.24s \| 43.2%)	57.09 (+47.64s \| 45.5%)	57.09 (+47.64s \| 45.5%)	55.09 (+49.64s \| 47.4%)	53.89 (+50.84s \| 48.5%)	54.49 (+50.24s \| 48.0%)	1:05.69 (+39.04s \| 37.3%)

Event	Best Time	Sectionals	18U Spring Cup	Futures	Jrs - Winter	US Open	Summer Champ	SouthWestern Age Group Regional
Free 50 M	46.99	28.69 (+18.30s \| 38.9%)	27.39 (+19.60s \| 41.7%)	27.39 (+19.60s \| 41.7%)	26.89 (+20.10s \| 42.8%)	26.29 (+20.70s \| 44.1%)	26.59 (+20.40s \| 43.4%)	31.89 (+15.10s \| 32.1%)
Free 100 M	1:45.52	1:01.89 (+43.63s \| 41.3%)	59.29 (+46.23s \| 43.8%)	59.29 (+46.23s \| 43.8%)	58.19 (+47.33s \| 44.9%)	56.99 (+48.53s \| 46.0%)	57.59 (+47.93s \| 45.4%)	1:08.39 (+37.13s \| 35.2%)
Back 100 M	2:03.69	1:09.49 (+54.20s \| 43.8%)	1:06.79 (+56.90s \| 46.0%)	1:06.79 (+56.90s \| 46.0%)	1:04.79 (+58.90s \| 47.6%)	1:03.69 (+60.00s \| 48.5%)	1:04.39 (+59.30s \| 47.9%)	1:16.39 (+47.30s \| 38.2%)