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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

BOSTON MARATHON 2026

Jeongseob Kim

Bib: 5499 •M •Age: N/A

0:00

0:00

/ mi

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Overall

#0 / 29021

Gender (Male)

#0 / 16340

Age Group (M18-39)

#0 / 5723

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

23:06

3.11 mi

Rank: #12249

Start → 5K

23:06 | 7:27/mi

23:06

3.11 mi

Rank: #12249

Start → 5K

23:06 | 7:27/mi

10K

46:21

6.21 mi

Rank: #12479 (-230)

5K → 10K

23:15 | 7:30/mi

10K

46:21

6.21 mi

Rank: #12479 (-230)

5K → 10K

23:15 | 7:30/mi

15K

1:10:17

9.32 mi

Rank: #13140 (-661)

10K → 15K

23:56 | 7:43/mi

15K

1:10:17

9.32 mi

Rank: #13140 (-661)

10K → 15K

23:56 | 7:43/mi

20K

1:34:44

12.43 mi

Rank: #13622 (-482)

15K → 20K

24:27 | 7:53/mi

20K

1:34:44

12.43 mi

Rank: #13622 (-482)

15K → 20K

24:27 | 7:53/mi

HALF

1:40:03

13.11 mi

Rank: #13710 (-88)

20K → HALF

5:19 | 7:48/mi

HALF

1:40:03

13.11 mi

Rank: #13710 (-88)

20K → HALF

5:19 | 7:48/mi

25K

2:00:11

15.53 mi

Rank: #14400 (-690)

HALF → 25K

20:08 | 8:19/mi

25K

2:00:11

15.53 mi

Rank: #14400 (-690)

HALF → 25K

20:08 | 8:19/mi

30K

2:29:05

18.64 mi

Rank: #15972 (-1572)

25K → 30K

28:54 | 9:19/mi

30K

2:29:05

18.64 mi

Rank: #15972 (-1572)

25K → 30K

28:54 | 9:19/mi

20M

2:43:03

20.00 mi

Rank: #16827 (-855)

30K → 20M

13:58 | 10:17/mi

20M

2:43:03

20.00 mi

Rank: #16827 (-855)

30K → 20M

13:58 | 10:17/mi

21M

2:54:44

21.00 mi

Rank: #17597 (-770)

20M → 21M

11:41 | 11:41/mi

21M

2:54:44

21.00 mi

Rank: #17597 (-770)

20M → 21M

11:41 | 11:41/mi

35K

3:04:16

21.75 mi

Rank: #18451 (-854)

21M → 35K

9:32 | 12:45/mi

35K

3:04:16

21.75 mi

Rank: #18451 (-854)

21M → 35K

9:32 | 12:45/mi

23M

3:17:00

23.00 mi

Rank: #18829 (-378)

35K → 23M

12:44 | 10:11/mi

23M

3:17:00

23.00 mi

Rank: #18829 (-378)

35K → 23M

12:44 | 10:11/mi

24M

3:26:44

24.00 mi

Rank: #19027 (-198)

23M → 24M

9:44 | 9:44/mi

24M

3:26:44

24.00 mi

Rank: #19027 (-198)

23M → 24M

9:44 | 9:44/mi

40K

3:36:22

24.85 mi

Rank: #19471 (-444)

24M → 40K

9:38 | 11:17/mi

40K

3:36:22

24.85 mi

Rank: #19471 (-444)

24M → 40K

9:38 | 11:17/mi

25.2M

3:41:09

25.20 mi

Rank: #19756 (-285)

40K → 25.2M

4:47 | 13:53/mi

25.2M

3:41:09

25.20 mi

Rank: #19756 (-285)

40K → 25.2M

4:47 | 13:53/mi

FINISH

3:53:02

26.22 mi

Rank: #20276 (-520)

25.2M → FINISH

11:53 | 11:40/mi

FINISH

3:53:02

26.22 mi

Rank: #20276 (-520)

25.2M → FINISH

11:53 | 11:40/mi

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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:40:03

Pace7:38 /mi

2nd Half

Spacer

Distance13.11 mi

Time2:12:59

Pace10:09 /mi

📊Positive Split: 32.9% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:28:11	23:06	7:27	23:06	7:27	-
10K	6.21 mi	10:51:26	46:21	7:28	23:15	7:30	+0:03
15K	9.32 mi	11:15:22	1:10:17	7:33	23:56	7:43	+0:13
20K	12.43 mi	11:39:49	1:34:44	7:38	24:27	7:53	+0:10
HALF	13.11 mi	11:45:08	1:40:03	7:38	5:19	7:48	-0:05
25K	15.53 mi	12:05:16	2:00:11	7:45	20:08	8:19	+0:31
30K	18.64 mi	12:34:10	2:29:05	8:00	28:54	9:19	+1:00
20M	20.00 mi	12:48:08	2:43:03	8:10	13:58	10:17	+0:58
21M	21.00 mi	12:59:49	2:54:44	8:20	11:41	11:41	+1:24
35K	21.75 mi	13:09:21	3:04:16	8:29	9:32	12:45	+1:04
23M	23.00 mi	13:22:05	3:17:00	8:34	12:44	10:11	-2:34
24M	24.00 mi	13:31:49	3:26:44	8:37	9:44	9:44	-0:27
40K	24.85 mi	13:41:27	3:36:22	8:43	9:38	11:17	+1:33
25.2M	25.20 mi	13:46:14	3:41:09	8:47	4:47	13:53	+2:36
FINISH	26.22 mi	13:58:07	3:53:02	8:54	11:53	11:40	-2:13

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

7:27 /mi

Average Pace

8:54 /mi

Slowest Pace

13:53 /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

2:00:11

52% of race

Time at Steady Pace

1:05:20

28% of race

Time at Slower Pace

47:31

20% of race

Average Pace: 8:53 /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	10:28:11	23:06	7:27	23:06	7:27	#12249
10K	6.21 mi	10:51:26	46:21	7:28	23:15	7:30	#12479
15K	9.32 mi	11:15:22	1:10:17	7:33	23:56	7:43	#13140
20K	12.43 mi	11:39:49	1:34:44	7:38	24:27	7:53	#13622
HALF	13.11 mi	11:45:08	1:40:03	7:38	5:19	7:48	#13710
25K	15.53 mi	12:05:16	2:00:11	7:45	20:08	8:19	#14400
30K	18.64 mi	12:34:10	2:29:05	8:00	28:54	9:19	#15972
20M	20.00 mi	12:48:08	2:43:03	8:10	13:58	10:17	#16827
21M	21.00 mi	12:59:49	2:54:44	8:20	11:41	11:41	#17597
35K	21.75 mi	13:09:21	3:04:16	8:29	9:32	12:45	#18451
23M	23.00 mi	13:22:05	3:17:00	8:34	12:44	10:11	#18829
24M	24.00 mi	13:31:49	3:26:44	8:37	9:44	9:44	#19027
40K	24.85 mi	13:41:27	3:36:22	8:43	9:38	11:17	#19471
25.2M	25.20 mi	13:46:14	3:41:09	8:47	4:47	13:53	#19756
FINISH	26.22 mi	13:58:07	3:53:02	8:54	11:53	11:40	#20276

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	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	3.11 mi	12249	9145	9145	14571(Top 50%)	10026(Top 61%)	10026(Top 175%)
10K	6.21 mi	3.10 mi	12479-230	9220-75	9220-75	12789(Top 44%)	9315(Top 57%)	9315(Top 163%)
15K	9.32 mi	3.11 mi	13140-661	9470-250	9470-250	14571(Top 50%)	10026(Top 61%)	10026(Top 175%)
20K	12.43 mi	3.11 mi	13622-482	9645-175	9645-175	15090(Top 52%)	10189(Top 62%)	10189(Top 178%)
HALF	13.11 mi	0.68 mi	13710-88	9683-38	9683-38	15529(Top 54%)	10432(Top 64%)	10432(Top 182%)
25K	15.53 mi	2.42 mi	14400-690	9943-260	9943-260	17441(Top 60%)	11126(Top 68%)	11126(Top 194%)
30K	18.64 mi	3.11 mi	15972-1572	10517-574	10517-574	20927(Top 72%)	12628(Top 77%)	12628(Top 221%)
20M	20.00 mi	1.36 mi	16827-855	10878-361	10878-361	23305(Top 80%)	13677(Top 84%)	13677(Top 239%)
21M	21.00 mi	1.00 mi	17597-770	11186-308	11186-308	24513(Top 84%)	14168(Top 87%)	14168(Top 248%)
35K	21.75 mi	0.75 mi	18451-854	11530-344	11530-344	27493(Top 95%)	15580(Top 95%)	15580(Top 272%)
23M	23.00 mi	1.25 mi	18829-378	11673-143	11673-143	22577(Top 78%)	13198(Top 81%)	13198(Top 231%)
24M	24.00 mi	1.00 mi	19027-198	11745-72	11745-72	22053(Top 76%)	12899(Top 79%)	12899(Top 225%)
40K	24.85 mi	0.85 mi	19471-444	11926-181	11926-181	24735(Top 85%)	14136(Top 87%)	14136(Top 247%)
25.2M	25.20 mi	0.35 mi	19756-285	12048-122	12048-122	27071(Top 93%)	15307(Top 94%)	15307(Top 267%)
FINISH	26.22 mi	1.02 mi	20276-520	12290-242	12290-242	27079(Top 93%)	15299(Top 94%)	15299(Top 267%)

15299

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:

Athletes Passed

418

Passed By

2698

Net Change

-8027

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#12249
5K → 10K	159	200	-230	#12249	#12479
10K → 15K	56	200	-661	#12479	#13140
15K → 20K	58	200	-482	#13140	#13622
20K → HALF	10	98	-88	#13622	#13710
HALF → 25K	34	200	-690	#13710	#14400
25K → 30K	28	200	-1572	#14400	#15972
30K → 20M	4	200	-855	#15972	#16827
20M → 21M	4	200	-770	#16827	#17597
21M → 35K	3	200	-854	#17597	#18451
35K → 23M	29	200	-378	#18451	#18829
23M → 24M	21	200	-198	#18829	#19027
24M → 40K	7	200	-444	#19027	#19471
40K → 25.2M	2	200	-285	#19471	#19756
25.2M → FINISH	3	200	-520	#19756	#20276
TOTALS	418	2698	-8027

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Activity Data

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Results processed 3 months ago

Public Race Data

Jeongseob Kim

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

AI Performance Report

Understand What Really Happened During Your Race

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

Passing Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Activity Data

Export & Support

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management