Leon Chen

Bib: 25762•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 26622

Gender (Male)

#0 / 15176

Masters (Masters Men)

#0 / 9891

Age Group (M40-44)

#0 / 2241

Race Day Weather

49°/39°F

light intensity drizzle

⏱️ 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

29:50

Rank: #22379

Start → 5K

29:50 | 9:36/mi

5K· 3.11 mi

29:50

Rank: #22379

Start → 5K

29:50 | 9:36/mi

10K· 6.21 mi

59:29

Rank: #22527 (-148)

5K → 10K

29:39 | 9:33/mi

10K· 6.21 mi

59:29

Rank: #22527 (-148)

5K → 10K

29:39 | 9:33/mi

15K· 9.32 mi

1:30:57

Rank: #23029 (-502)

10K → 15K

31:28 | 10:08/mi

15K· 9.32 mi

1:30:57

Rank: #23029 (-502)

10K → 15K

31:28 | 10:08/mi

20K· 12.43 mi

2:02:28

Rank: #23077 (-48)

15K → 20K

31:31 | 10:09/mi

20K· 12.43 mi

2:02:28

Rank: #23077 (-48)

15K → 20K

31:31 | 10:09/mi

Half· 13.11 mi

2:09:01

Rank: #23037 (+40)

20K → Half

6:33 | 9:36/mi

Half· 13.11 mi

2:09:01

Rank: #23037 (+40)

20K → Half

6:33 | 9:36/mi

25K· 15.53 mi

2:33:59

Rank: #22979 (+58)

Half → 25K

24:58 | 10:18/mi

25K· 15.53 mi

2:33:59

Rank: #22979 (+58)

Half → 25K

24:58 | 10:18/mi

30K· 18.64 mi

3:08:21

Rank: #23058 (-79)

25K → 30K

34:22 | 11:04/mi

30K· 18.64 mi

3:08:21

Rank: #23058 (-79)

25K → 30K

34:22 | 11:04/mi

20M

3:24:17

Rank: #23117 (-59)

30K → 20M

15:56 | 11:43/mi

20M

3:24:17

Rank: #23117 (-59)

30K → 20M

15:56 | 11:43/mi

21M

3:35:23

Rank: #22997 (+120)

20M → 21M

11:06 | 11:06/mi

21M

3:35:23

Rank: #22997 (+120)

20M → 21M

11:06 | 11:06/mi

35K· 21.75 mi

3:43:46

Rank: #23032 (-35)

21M → 35K

8:23 | 11:12/mi

35K· 21.75 mi

3:43:46

Rank: #23032 (-35)

21M → 35K

8:23 | 11:12/mi

23M

3:57:49

Rank: #22999 (+33)

35K → 23M

14:03 | 11:13/mi

23M

3:57:49

Rank: #22999 (+33)

35K → 23M

14:03 | 11:13/mi

24M

4:09:16

Rank: #23042 (-43)

23M → 24M

11:27 | 11:27/mi

24M

4:09:16

Rank: #23042 (-43)

23M → 24M

11:27 | 11:27/mi

40K· 24.85 mi

4:19:04

Rank: #23037 (+5)

24M → 40K

9:48 | 11:28/mi

40K· 24.85 mi

4:19:04

Rank: #23037 (+5)

24M → 40K

9:48 | 11:28/mi

25.2M

4:23:02

Rank: #23024 (+13)

40K → 25.2M

3:58 | 11:30/mi

25.2M

4:23:02

Rank: #23024 (+13)

40K → 25.2M

3:58 | 11:30/mi

Finish· 26.22 mi

4:33:21

Rank: #22985 (+39)

25.2M → Finish

10:19 | 10:07/mi

Finish· 26.22 mi

4:33:21

Rank: #22985 (+39)

25.2M → Finish

10:19 | 10:07/mi

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time2:09:01

Pace9:50 /mi

2nd Half

Distance13.11 mi

Time2:24:20

Pace11:01 /mi

📊Positive Split: 11.9% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	11:45:51	29:50	9:36	29:50	9:36	-
10K	6.21 mi	12:15:30	59:29	9:34	29:39	9:33	-0:03
15K	9.32 mi	12:46:58	1:30:57	9:45	31:28	10:08	+0:35
20K	12.43 mi	13:18:29	2:02:28	9:51	31:31	10:09	+0:01
Half	13.11 mi	13:25:02	2:09:01	9:50	6:33	9:36	-0:33
25K	15.53 mi	13:50:00	2:33:59	9:55	24:58	10:18	+0:42
30K	18.64 mi	14:24:22	3:08:21	10:06	34:22	11:04	+0:46
20M	20.00 mi	14:40:18	3:24:17	10:13	15:56	11:43	+0:39
21M	21.00 mi	14:51:24	3:35:23	10:15	11:06	11:06	-0:37
35K	21.75 mi	14:59:47	3:43:46	10:17	8:23	11:12	+0:06
23M	23.00 mi	15:13:50	3:57:49	10:20	14:03	11:13	+0:01
24M	24.00 mi	15:25:17	4:09:16	10:23	11:27	11:27	+0:14
40K	24.85 mi	15:35:05	4:19:04	10:25	9:48	11:28	+0:01
25.2M	25.20 mi	15:39:03	4:23:02	10:26	3:58	11:30	+0:02
Finish	26.22 mi	15:49:22	4:33:21	10:26	10:19	10:07	-1:23

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

9:33 /mi

Average Pace

10:26 /mi

Slowest Pace

11:43 /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

2:44:18

60% of race

Time at Steady Pace

1:07:54

25% of race

Time at Slower Pace

41:09

15% of race

Average Pace: 10:26 /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	11:45:51	29:50	9:36	29:50	9:36	#22379
10K	6.21 mi	12:15:30	59:29	9:34	29:39	9:33	#22527
15K	9.32 mi	12:46:58	1:30:57	9:45	31:28	10:08	#23029
20K	12.43 mi	13:18:29	2:02:28	9:51	31:31	10:09	#23077
Half	13.11 mi	13:25:02	2:09:01	9:50	6:33	9:36	#23037
25K	15.53 mi	13:50:00	2:33:59	9:55	24:58	10:18	#22979
30K	18.64 mi	14:24:22	3:08:21	10:06	34:22	11:04	#23058
20M	20.00 mi	14:40:18	3:24:17	10:13	15:56	11:43	#23117
21M	21.00 mi	14:51:24	3:35:23	10:15	11:06	11:06	#22997
35K	21.75 mi	14:59:47	3:43:46	10:17	8:23	11:12	#23032
23M	23.00 mi	15:13:50	3:57:49	10:20	14:03	11:13	#22999
24M	24.00 mi	15:25:17	4:09:16	10:23	11:27	11:27	#23042
40K	24.85 mi	15:35:05	4:19:04	10:25	9:48	11:28	#23037
25.2M	25.20 mi	15:39:03	4:23:02	10:26	3:58	11:30	#23024
Finish	26.22 mi	15:49:22	4:33:21	10:26	10:19	10:07	#22985

Faster pace

Steady pace

Slower pace

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	22379	13295	13295	23750(Top 89%)	13978(Top 92%)	13978(Top 624%)
10K	6.21 mi	3.10 mi	22527-148	13395-100	13395-100	22636(Top 85%)	13451(Top 89%)	13451(Top 600%)
15K	9.32 mi	3.11 mi	23029-502	13635-240	13635-240	23750(Top 89%)	13978(Top 92%)	13978(Top 624%)
20K	12.43 mi	3.11 mi	23077-48	13667-32	13667-32	23188(Top 87%)	13719(Top 90%)	13719(Top 612%)
Half	13.11 mi	0.68 mi	23037+40	13648+19	13648+19	22375(Top 84%)	13362(Top 88%)	13362(Top 596%)
25K	15.53 mi	2.42 mi	22979+58	13608+40	13608+40	22829(Top 86%)	13519(Top 89%)	13519(Top 603%)
30K	18.64 mi	3.11 mi	23058-79	13622-14	13622-14	23183(Top 87%)	13601(Top 90%)	13601(Top 607%)
20M	20.00 mi	1.36 mi	23117-59	13635-13	13635-13	23848(Top 90%)	13835(Top 91%)	13835(Top 617%)
21M	21.00 mi	1.00 mi	22997+120	13570+65	13570+65	21028(Top 79%)	12535(Top 83%)	12535(Top 559%)
35K	21.75 mi	0.75 mi	23032-35	13583-13	13583-13	23655(Top 89%)	13668(Top 90%)	13668(Top 610%)
23M	23.00 mi	1.25 mi	22999+33	13553+30	13553+30	22757(Top 85%)	13270(Top 87%)	13270(Top 592%)
24M	24.00 mi	1.00 mi	23042-43	13560-7	13560-7	23797(Top 89%)	13720(Top 90%)	13720(Top 612%)
40K	24.85 mi	0.85 mi	23037+5	13548+12	13548+12	23148(Top 87%)	13391(Top 88%)	13391(Top 598%)
25.2M	25.20 mi	0.35 mi	23024+13	13551-3	13551-3	21568(Top 81%)	12659(Top 83%)	12659(Top 565%)
Finish	26.22 mi	1.02 mi	22985+39	13523+28	13523+28	22085(Top 83%)	12907(Top 85%)	12907(Top 576%)

12907

Passing Analysis

Category:

Athletes Passed

978

Passed By

1584

Net Change

-606

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#22379
5K → 10K	170	318	-148	#22379	#22527
10K → 15K	31	533	-502	#22527	#23029
15K → 20K	121	169	-48	#23029	#23077
20K → Half	51	11	+40	#23077	#23037
Half → 25K	112	54	+58	#23037	#22979
25K → 30K	86	165	-79	#22979	#23058
30K → 20M	41	100	-59	#23058	#23117
20M → 21M	125	5	+120	#23117	#22997
21M → 35K	19	54	-35	#22997	#23032
35K → 23M	68	35	+33	#23032	#22999
23M → 24M	27	70	-43	#22999	#23042
24M → 40K	42	37	+5	#23042	#23037
40K → 25.2M	23	10	+13	#23037	#23024
25.2M → Finish	62	23	+39	#23024	#22985
TOTALS	978	1584	-606

📊

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 2 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Leon Chen

⏱️ 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