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Jinseong Choi

Bib: 30079•M

0:00

0:00

/ mi

Masters

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Overall

#0 / 29021

Gender (Male)

#0 / 16340

Masters (Masters Men)

#0 / 10617

Age Group (M40-44)

#0 / 2198

Race Day Weather

51°/41°F

overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

25:30

3.11 mi

Rank: #18256

Start → 5K

25:30 | 8:13/mi

25:30

3.11 mi

Rank: #18256

Start → 5K

25:30 | 8:13/mi

10K

50:04

6.21 mi

Rank: #17495 (+761)

5K → 10K

24:34 | 7:55/mi

10K

50:04

6.21 mi

Rank: #17495 (+761)

5K → 10K

24:34 | 7:55/mi

15K

1:14:09

9.32 mi

Rank: #16727 (+768)

10K → 15K

24:05 | 7:46/mi

15K

1:14:09

9.32 mi

Rank: #16727 (+768)

10K → 15K

24:05 | 7:46/mi

20K

1:39:42

12.43 mi

Rank: #16964

15K → 20K

25:33 | 8:14/mi

20K

1:39:42

12.43 mi

Rank: #16964

15K → 20K

25:33 | 8:14/mi

HALF

1:45:15

13.11 mi

Rank: #17024

20K → HALF

5:33 | 8:09/mi

HALF

1:45:15

13.11 mi

Rank: #17024

20K → HALF

5:33 | 8:09/mi

25K

2:05:58

15.53 mi

Rank: #17322

HALF → 25K

20:43 | 8:33/mi

25K

2:05:58

15.53 mi

Rank: #17322

HALF → 25K

20:43 | 8:33/mi

30K

2:34:33

18.64 mi

Rank: #17959

25K → 30K

28:35 | 9:13/mi

30K

2:34:33

18.64 mi

Rank: #17959

25K → 30K

28:35 | 9:13/mi

20M

2:48:19

20.00 mi

Rank: #18486

30K → 20M

13:46 | 10:09/mi

20M

2:48:19

20.00 mi

Rank: #18486

30K → 20M

13:46 | 10:09/mi

21M

2:59:40

21.00 mi

Rank: #19007

20M → 21M

11:21 | 11:21/mi

21M

2:59:40

21.00 mi

Rank: #19007

20M → 21M

11:21 | 11:21/mi

35K

3:07:13

21.75 mi

Rank: #19238

21M → 35K

7:33 | 10:06/mi

35K

3:07:13

21.75 mi

Rank: #19238

21M → 35K

7:33 | 10:06/mi

23M

3:19:48

23.00 mi

Rank: #19528

35K → 23M

12:35 | 10:04/mi

23M

3:19:48

23.00 mi

Rank: #19528

35K → 23M

12:35 | 10:04/mi

24M

3:29:25

24.00 mi

Rank: #19676

23M → 24M

9:37 | 9:37/mi

24M

3:29:25

24.00 mi

Rank: #19676

23M → 24M

9:37 | 9:37/mi

40K

3:37:59

24.85 mi

Rank: #19808

24M → 40K

8:34 | 10:02/mi

40K

3:37:59

24.85 mi

Rank: #19808

24M → 40K

8:34 | 10:02/mi

25.2M

3:41:31

25.20 mi

Rank: #19830

40K → 25.2M

3:32 | 10:15/mi

25.2M

3:41:31

25.20 mi

Rank: #19830

40K → 25.2M

3:32 | 10:15/mi

FINISH

3:51:19

26.22 mi

Rank: #19992

25.2M → FINISH

9:48 | 9:38/mi

FINISH

3:51:19

26.22 mi

Rank: #19992

25.2M → FINISH

9:48 | 9:38/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:45:15

Pace8:02 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:06:04

Pace9:37 /mi

📊Positive Split: 19.8% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:51:25	25:30	8:13	25:30	8:13	-
10K	6.21 mi	12:15:59	50:04	8:04	24:34	7:55	-0:18
15K	9.32 mi	12:40:04	1:14:09	7:58	24:05	7:46	-0:09
20K	12.43 mi	13:05:37	1:39:42	8:02	25:33	8:14	+0:28
HALF	13.11 mi	13:11:10	1:45:15	8:02	5:33	8:09	-0:05
25K	15.53 mi	13:31:53	2:05:58	8:07	20:43	8:33	+0:24
30K	18.64 mi	14:00:28	2:34:33	8:18	28:35	9:13	+0:40
20M	20.00 mi	14:14:14	2:48:19	8:25	13:46	10:09	+0:56
21M	21.00 mi	14:25:35	2:59:40	8:34	11:21	11:21	+1:12
35K	21.75 mi	14:33:08	3:07:13	8:37	7:33	10:06	-1:15
23M	23.00 mi	14:45:43	3:19:48	8:42	12:35	10:04	-0:02
24M	24.00 mi	14:55:20	3:29:25	8:44	9:37	9:37	-0:27
40K	24.85 mi	15:03:54	3:37:59	8:47	8:34	10:02	+0:25
25.2M	25.20 mi	15:07:26	3:41:31	8:48	3:32	10:15	+0:13
FINISH	26.22 mi	15:17:14	3:51:19	8:50	9:48	9:38	-0:37

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:46 /mi

Average Pace

8:50 /mi

Slowest Pace

11:21 /mi

Loading chart...

Fastest

Middle

Slowest

Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:05:58

54% of race

Time at Steady Pace

1:16:42

33% of race

Time at Slower Pace

28:39

12% of race

Average Pace: 8:49 /mi

Loading chart...

Faster pace (< avg)

Steady pace (≈ avg)

Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

0mi6.6mi13.1mi19.7mi26.2mi

Pace:

Faster

Steady

Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	11:51:25	25:30	8:13	25:30	8:13	#18256
10K	6.21 mi	12:15:59	50:04	8:04	24:34	7:55	#17495
15K	9.32 mi	12:40:04	1:14:09	7:58	24:05	7:46	#16727
20K	12.43 mi	13:05:37	1:39:42	8:02	25:33	8:14	#16964
HALF	13.11 mi	13:11:10	1:45:15	8:02	5:33	8:09	#17024
25K	15.53 mi	13:31:53	2:05:58	8:07	20:43	8:33	#17322
30K	18.64 mi	14:00:28	2:34:33	8:18	28:35	9:13	#17959
20M	20.00 mi	14:14:14	2:48:19	8:25	13:46	10:09	#18486
21M	21.00 mi	14:25:35	2:59:40	8:34	11:21	11:21	#19007
35K	21.75 mi	14:33:08	3:07:13	8:37	7:33	10:06	#19238
23M	23.00 mi	14:45:43	3:19:48	8:42	12:35	10:04	#19528
24M	24.00 mi	14:55:20	3:29:25	8:44	9:37	9:37	#19676
40K	24.85 mi	15:03:54	3:37:59	8:47	8:34	10:02	#19808
25.2M	25.20 mi	15:07:26	3:41:31	8:48	3:32	10:15	#19830
FINISH	26.22 mi	15:17:14	3:51:19	8:50	9:48	9:38	#19992

Faster pace

Steady pace

Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M40-44	Seg. Overall	Seg. Males	Seg. M40-44
5K	3.11 mi	3.11 mi	18256	11527	11527	14933(Top 51%)	10172(Top 62%)	10172(Top 463%)
10K	6.21 mi	3.10 mi	17495+761	11214+313	11214+313	16518(Top 57%)	10816(Top 66%)	10816(Top 492%)
15K	9.32 mi	3.11 mi	16727+768	10896+318	10896+318	14933(Top 51%)	10172(Top 62%)	10172(Top 463%)
20K	12.43 mi	3.11 mi	16964-237	10980-84	10980-84	17629(Top 61%)	11259(Top 69%)	11259(Top 512%)
HALF	13.11 mi	0.68 mi	17024-60	11005-25	11005-25	18028(Top 62%)	11481(Top 70%)	11481(Top 522%)
25K	15.53 mi	2.42 mi	17322-298	11137-132	11137-132	18818(Top 65%)	11724(Top 72%)	11724(Top 533%)
30K	18.64 mi	3.11 mi	17959-637	11369-232	11369-232	20507(Top 71%)	12422(Top 76%)	12422(Top 565%)
20M	20.00 mi	1.36 mi	18486-527	11574-205	11574-205	22910(Top 79%)	13496(Top 83%)	13496(Top 614%)
21M	21.00 mi	1.00 mi	19007-521	11789-215	11789-215	23838(Top 82%)	13864(Top 85%)	13864(Top 631%)
35K	21.75 mi	0.75 mi	19238-231	11882-93	11882-93	23382(Top 81%)	13641(Top 83%)	13641(Top 621%)
23M	23.00 mi	1.25 mi	19528-290	11975-93	11975-93	22280(Top 77%)	13049(Top 80%)	13049(Top 594%)
24M	24.00 mi	1.00 mi	19676-148	12030-55	12030-55	21693(Top 75%)	12715(Top 78%)	12715(Top 578%)
40K	24.85 mi	0.85 mi	19808-132	12075-45	12075-45	21969(Top 76%)	12801(Top 78%)	12801(Top 582%)
25.2M	25.20 mi	0.35 mi	19830-22	12081-6	12081-6	20224(Top 70%)	11969(Top 73%)	11969(Top 545%)
FINISH	26.22 mi	1.02 mi	19992-162	12143-62	12143-62	22714(Top 78%)	13171(Top 81%)	13171(Top 599%)

13171

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

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Started about 2 hours ago. This usually takes 10-20 minutes. Please check back shortly.

Activity Data

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Results processed 3 months ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Jinseong Choi

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

Splits & Pacing

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Rankings

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→HALF

HALF→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→FINISH

Passing

Passing Analysis

Activity Data

Export & Support

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management

Public Race Data