Hai Jung Jeong

Bib: 22650•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 25550

Gender (Male)

#0 / 14578

Masters (Masters Men)

#0 / 9729

Age Group (M75-79)

#0 / 43

Top 12%

Race Day Weather

55°/45°F

scattered clouds

⏱️ Race Timeline

Watch your race unfold from start to finish

Start

0:00:00

Race begins

Start

0:00:00

Race begins

5K· 3.11 mi

27:25

Rank: #19379

Start → 5K

27:25 | 8:49/mi

5K· 3.11 mi

27:25

Rank: #19379

Start → 5K

27:25 | 8:49/mi

10K· 6.21 mi

54:26

Rank: #18897 (+482)

5K → 10K

27:01 | 8:42/mi

10K· 6.21 mi

54:26

Rank: #18897 (+482)

5K → 10K

27:01 | 8:42/mi

15K· 9.32 mi

1:21:48

Rank: #18590 (+307)

10K → 15K

27:22 | 8:49/mi

15K· 9.32 mi

1:21:48

Rank: #18590 (+307)

10K → 15K

27:22 | 8:49/mi

20K· 12.43 mi

1:50:40

Rank: #18525 (+65)

15K → 20K

28:52 | 9:17/mi

20K· 12.43 mi

1:50:40

Rank: #18525 (+65)

15K → 20K

28:52 | 9:17/mi

Half· 13.11 mi

1:56:56

Rank: #18548 (-23)

20K → Half

6:16 | 9:11/mi

Half· 13.11 mi

1:56:56

Rank: #18548 (-23)

20K → Half

6:16 | 9:11/mi

25K· 15.53 mi

2:20:48

Rank: #18596 (-48)

Half → 25K

23:52 | 9:51/mi

25K· 15.53 mi

2:20:48

Rank: #18596 (-48)

Half → 25K

23:52 | 9:51/mi

30K· 18.64 mi

2:54:01

Rank: #18782 (-186)

25K → 30K

33:13 | 10:41/mi

30K· 18.64 mi

2:54:01

Rank: #18782 (-186)

25K → 30K

33:13 | 10:41/mi

20M

3:08:23

Rank: #18736 (+46)

30K → 20M

14:22 | 10:34/mi

20M

3:08:23

Rank: #18736 (+46)

30K → 20M

14:22 | 10:34/mi

21M

3:21:23

Rank: #18901 (-165)

20M → 21M

13:00 | 13:00/mi

21M

3:21:23

Rank: #18901 (-165)

20M → 21M

13:00 | 13:00/mi

35K· 21.75 mi

3:30:06

Rank: #18985 (-84)

21M → 35K

8:43 | 11:39/mi

35K· 21.75 mi

3:30:06

Rank: #18985 (-84)

21M → 35K

8:43 | 11:39/mi

23M

3:43:56

Rank: #18932 (+53)

35K → 23M

13:50 | 11:03/mi

23M

3:43:56

Rank: #18932 (+53)

35K → 23M

13:50 | 11:03/mi

24M

3:54:43

Rank: #18898 (+34)

23M → 24M

10:47 | 10:47/mi

24M

3:54:43

Rank: #18898 (+34)

23M → 24M

10:47 | 10:47/mi

40K· 24.85 mi

4:04:38

Rank: #18915 (-17)

24M → 40K

9:55 | 11:36/mi

40K· 24.85 mi

4:04:38

Rank: #18915 (-17)

24M → 40K

9:55 | 11:36/mi

25.2M

4:08:59

Rank: #18914 (+1)

40K → 25.2M

4:21 | 12:37/mi

25.2M

4:08:59

Rank: #18914 (+1)

40K → 25.2M

4:21 | 12:37/mi

Finish· 26.22 mi

4:19:19

Rank: #18884 (+30)

25.2M → Finish

10:20 | 10:08/mi

Finish· 26.22 mi

4:19:19

Rank: #18884 (+30)

25.2M → Finish

10:20 | 10:08/mi

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:56:56

Pace8:55 /mi

2nd Half

Distance13.11 mi

Time2:22:23

Pace10:52 /mi

📊Positive Split: 21.8% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:25:57	27:25	8:49	27:25	8:49	-
10K	6.21 mi	11:52:58	54:26	8:46	27:01	8:42	-0:07
15K	9.32 mi	12:20:20	1:21:48	8:47	27:22	8:49	+0:07
20K	12.43 mi	12:49:12	1:50:40	8:54	28:52	9:17	+0:28
Half	13.11 mi	12:55:28	1:56:56	8:55	6:16	9:11	-0:06
25K	15.53 mi	13:19:20	2:20:48	9:04	23:52	9:51	+0:40
30K	18.64 mi	13:52:33	2:54:01	9:20	33:13	10:41	+0:50
20M	20.00 mi	14:06:55	3:08:23	9:25	14:22	10:34	-0:07
21M	21.00 mi	14:19:55	3:21:23	9:35	13:00	13:00	+2:26
35K	21.75 mi	14:28:38	3:30:06	9:40	8:43	11:39	-1:21
23M	23.00 mi	14:42:28	3:43:56	9:44	13:50	11:03	-0:36
24M	24.00 mi	14:53:15	3:54:43	9:47	10:47	10:47	-0:16
40K	24.85 mi	15:03:10	4:04:38	9:51	9:55	11:36	+0:49
25.2M	25.20 mi	15:07:31	4:08:59	9:53	4:21	12:37	+1:01
Finish	26.22 mi	15:17:51	4:19:19	9:54	10:20	10:08	-2:29

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

8:42 /mi

Average Pace

9:54 /mi

Slowest Pace

13:00 /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

2:20:48

54% of race

Time at Steady Pace

1:22:32

32% of race

Time at Slower Pace

35:59

14% of race

Average Pace: 9:53 /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	11:25:57	27:25	8:49	27:25	8:49	#19379
10K	6.21 mi	11:52:58	54:26	8:46	27:01	8:42	#18897
15K	9.32 mi	12:20:20	1:21:48	8:47	27:22	8:49	#18590
20K	12.43 mi	12:49:12	1:50:40	8:54	28:52	9:17	#18525
Half	13.11 mi	12:55:28	1:56:56	8:55	6:16	9:11	#18548
25K	15.53 mi	13:19:20	2:20:48	9:04	23:52	9:51	#18596
30K	18.64 mi	13:52:33	2:54:01	9:20	33:13	10:41	#18782
20M	20.00 mi	14:06:55	3:08:23	9:25	14:22	10:34	#18736
21M	21.00 mi	14:19:55	3:21:23	9:35	13:00	13:00	#18901
35K	21.75 mi	14:28:38	3:30:06	9:40	8:43	11:39	#18985
23M	23.00 mi	14:42:28	3:43:56	9:44	13:50	11:03	#18932
24M	24.00 mi	14:53:15	3:54:43	9:47	10:47	10:47	#18898
40K	24.85 mi	15:03:10	4:04:38	9:51	9:55	11:36	#18915
25.2M	25.20 mi	15:07:31	4:08:59	9:53	4:21	12:37	#18914
Finish	26.22 mi	15:17:51	4:19:19	9:54	10:20	10:08	#18884

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M75-79	Seg. Overall	Seg. Males	Seg. M75-79
5K	3.11 mi	3.11 mi	19379	11765	11765	17997(Top 70%)	11248(Top 77%)	11248(Top 26158%)
10K	6.21 mi	3.10 mi	18897+482	11578+187	11578+187	18329(Top 72%)	11374(Top 78%)	11374(Top 26451%)
15K	9.32 mi	3.11 mi	18590+307	11474+104	11474+104	17997(Top 70%)	11248(Top 77%)	11248(Top 26158%)
20K	12.43 mi	3.11 mi	18525+65	11458+16	11458+16	18518(Top 72%)	11478(Top 79%)	11478(Top 26693%)
Half	13.11 mi	0.68 mi	18548-23	11463-5	11463-5	19000(Top 74%)	11622(Top 80%)	11622(Top 27028%)
25K	15.53 mi	2.42 mi	18596-48	11467-4	11467-4	18676(Top 73%)	11434(Top 78%)	11434(Top 26591%)
30K	18.64 mi	3.11 mi	18782-186	11483-16	11483-16	19243(Top 75%)	11499(Top 79%)	11499(Top 26742%)
20M	20.00 mi	1.36 mi	18736+46	11445+38	11445+38	18169(Top 71%)	10839(Top 74%)	10839(Top 25207%)
21M	21.00 mi	1.00 mi	18901-165	11482-37	11482-37	20716(Top 81%)	12001(Top 82%)	12001(Top 27909%)
35K	21.75 mi	0.75 mi	18985-84	11512-30	11512-30	21155(Top 83%)	12187(Top 84%)	12187(Top 28342%)
23M	23.00 mi	1.25 mi	18932+53	11474+38	11474+38	18550(Top 73%)	10839(Top 74%)	10839(Top 25207%)
24M	24.00 mi	1.00 mi	18898+34	11435+39	11435+39	18645(Top 73%)	10827(Top 74%)	10827(Top 25179%)
40K	24.85 mi	0.85 mi	18915-17	11417+18	11417+18	19545(Top 76%)	11227(Top 77%)	11227(Top 26109%)
25.2M	25.20 mi	0.35 mi	18914+1	11416+1	11416+1	18767(Top 73%)	10830(Top 74%)	10830(Top 25186%)
Finish	26.22 mi	1.02 mi	18884+30	11377+39	11377+39	18872(Top 74%)	10922(Top 75%)	10922(Top 25400%)

10922

Passing Analysis

Category:

Athletes Passed

2171

Passed By

1676

Net Change

+495

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#19379
5K → 10K	560	78	+482	#19379	#18897
10K → 15K	385	78	+307	#18897	#18590
15K → 20K	283	218	+65	#18590	#18525
20K → Half	34	57	-23	#18525	#18548
Half → 25K	194	242	-48	#18548	#18596
25K → 30K	172	358	-186	#18596	#18782
30K → 20M	115	69	+46	#18782	#18736
20M → 21M	37	202	-165	#18736	#18901
21M → 35K	40	124	-84	#18901	#18985
35K → 23M	111	58	+53	#18985	#18932
23M → 24M	83	49	+34	#18932	#18898
24M → 40K	55	72	-17	#18898	#18915
40K → 25.2M	31	30	+1	#18915	#18914
25.2M → Finish	71	41	+30	#18914	#18884
TOTALS	2171	1676	+495

📊

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

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Results processed 3 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Hai Jung Jeong

⏱️ Race Timeline

Race Animation with Course Map

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Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

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 Analysis

Passing Analysis Visualizations

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

Export Track Data

Questions or issues regarding timing data?

Quick Links

All Results

Race Analytics

Course Information

Contact Time Management

Public Race Data