John Castonguay

Bib: 4151•M

0:00

0:00

/ mi

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Overall

#0 / 26622

Top 8%

Gender (Male)

#0 / 15176

Top 14%

Age Group (M18-39)

#0 / 5285

Top 32%

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

21:03

Rank: #4390

Start → 5K

21:03 | 6:47/mi

5K· 3.11 mi

21:03

Rank: #4390

Start → 5K

21:03 | 6:47/mi

10K· 6.21 mi

41:58

Rank: #4513 (-123)

5K → 10K

20:55 | 6:44/mi

10K· 6.21 mi

41:58

Rank: #4513 (-123)

5K → 10K

20:55 | 6:44/mi

15K· 9.32 mi

1:02:49

Rank: #4395 (+118)

10K → 15K

20:51 | 6:43/mi

15K· 9.32 mi

1:02:49

Rank: #4395 (+118)

10K → 15K

20:51 | 6:43/mi

20K· 12.43 mi

1:23:30

Rank: #4031 (+364)

15K → 20K

20:41 | 6:39/mi

20K· 12.43 mi

1:23:30

Rank: #4031 (+364)

15K → 20K

20:41 | 6:39/mi

Half· 13.11 mi

1:27:52

Rank: #3907 (+124)

20K → Half

4:22 | 6:24/mi

Half· 13.11 mi

1:27:52

Rank: #3907 (+124)

20K → Half

4:22 | 6:24/mi

25K· 15.53 mi

1:43:46

Rank: #3590 (+317)

Half → 25K

15:54 | 6:33/mi

25K· 15.53 mi

1:43:46

Rank: #3590 (+317)

Half → 25K

15:54 | 6:33/mi

30K· 18.64 mi

2:04:11

Rank: #3127 (+463)

25K → 30K

20:25 | 6:34/mi

30K· 18.64 mi

2:04:11

Rank: #3127 (+463)

25K → 30K

20:25 | 6:34/mi

20M

2:13:03

Rank: #2946 (+181)

30K → 20M

8:52 | 6:31/mi

20M

2:13:03

Rank: #2946 (+181)

30K → 20M

8:52 | 6:31/mi

21M

2:19:52

Rank: #2815 (+131)

20M → 21M

6:49 | 6:49/mi

21M

2:19:52

Rank: #2815 (+131)

20M → 21M

6:49 | 6:49/mi

35K· 21.75 mi

2:24:28

Rank: #2698 (+117)

21M → 35K

4:36 | 6:09/mi

35K· 21.75 mi

2:24:28

Rank: #2698 (+117)

21M → 35K

4:36 | 6:09/mi

23M

2:32:37

Rank: #2558 (+140)

35K → 23M

8:09 | 6:31/mi

23M

2:32:37

Rank: #2558 (+140)

35K → 23M

8:09 | 6:31/mi

24M

2:38:55

Rank: #2465 (+93)

23M → 24M

6:18 | 6:18/mi

24M

2:38:55

Rank: #2465 (+93)

23M → 24M

6:18 | 6:18/mi

40K· 24.85 mi

2:44:21

Rank: #2393 (+72)

24M → 40K

5:26 | 6:21/mi

40K· 24.85 mi

2:44:21

Rank: #2393 (+72)

24M → 40K

5:26 | 6:21/mi

25.2M

2:46:42

Rank: #2359 (+34)

40K → 25.2M

2:21 | 6:49/mi

25.2M

2:46:42

Rank: #2359 (+34)

40K → 25.2M

2:21 | 6:49/mi

Finish· 26.22 mi

2:52:54

Rank: #2251 (+108)

25.2M → Finish

6:12 | 6:05/mi

Finish· 26.22 mi

2:52:54

Rank: #2251 (+108)

25.2M → Finish

6:12 | 6:05/mi

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Half Splits

1st Half· via Half

Distance13.11 mi

Time1:27:52

Pace6:42 /mi

2nd Half✓ Faster

Distance13.11 mi

Time1:25:02

Pace6:29 /mi

📊Negative Split: 3.2% faster second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:24:07	21:03	6:47	21:03	6:47	-
10K	6.21 mi	10:45:02	41:58	6:45	20:55	6:44	-0:03
15K	9.32 mi	11:05:53	1:02:49	6:44	20:51	6:43	-0:01
20K	12.43 mi	11:26:34	1:23:30	6:43	20:41	6:39	-0:04
Half	13.11 mi	11:30:56	1:27:52	6:42	4:22	6:24	-0:15
25K	15.53 mi	11:46:50	1:43:46	6:41	15:54	6:33	+0:09
30K	18.64 mi	12:07:15	2:04:11	6:40	20:25	6:34	+0:01
20M	20.00 mi	12:16:07	2:13:03	6:39	8:52	6:31	-0:03
21M	21.00 mi	12:22:56	2:19:52	6:40	6:49	6:49	+0:18
35K	21.75 mi	12:27:32	2:24:28	6:39	4:36	6:09	-0:40
23M	23.00 mi	12:35:41	2:32:37	6:38	8:09	6:31	+0:22
24M	24.00 mi	12:41:59	2:38:55	6:37	6:18	6:18	-0:13
40K	24.85 mi	12:47:25	2:44:21	6:37	5:26	6:21	+0:03
25.2M	25.20 mi	12:49:46	2:46:42	6:37	2:21	6:49	+0:28
Finish	26.22 mi	12:55:58	2:52:54	6:36	6:12	6:05	-0:44

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

6:05 /mi

Average Pace

6:36 /mi

Slowest Pace

6:49 /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

1:40:55

58% of race

Time at Steady Pace

1:11:59

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:36 /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	10:24:07	21:03	6:47	21:03	6:47	#4390
10K	6.21 mi	10:45:02	41:58	6:45	20:55	6:44	#4513
15K	9.32 mi	11:05:53	1:02:49	6:44	20:51	6:43	#4395
20K	12.43 mi	11:26:34	1:23:30	6:43	20:41	6:39	#4031
Half	13.11 mi	11:30:56	1:27:52	6:42	4:22	6:24	#3907
25K	15.53 mi	11:46:50	1:43:46	6:41	15:54	6:33	#3590
30K	18.64 mi	12:07:15	2:04:11	6:40	20:25	6:34	#3127
20M	20.00 mi	12:16:07	2:13:03	6:39	8:52	6:31	#2946
21M	21.00 mi	12:22:56	2:19:52	6:40	6:49	6:49	#2815
35K	21.75 mi	12:27:32	2:24:28	6:39	4:36	6:09	#2698
23M	23.00 mi	12:35:41	2:32:37	6:38	8:09	6:31	#2558
24M	24.00 mi	12:41:59	2:38:55	6:37	6:18	6:18	#2465
40K	24.85 mi	12:47:25	2:44:21	6:37	5:26	6:21	#2393
25.2M	25.20 mi	12:49:46	2:46:42	6:37	2:21	6:49	#2359
Finish	26.22 mi	12:55:58	2:52:54	6:36	6:12	6:05	#2251

Faster pace

Steady pace

Slower pace

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	4390	4098	4098	4217(Top 16%)	3954(Top 26%)	3954(Top 75%)
10K	6.21 mi	3.10 mi	4513-123	4216-118	4216-118	4634(Top 17%)	4318(Top 28%)	4318(Top 82%)
15K	9.32 mi	3.11 mi	4395+118	4112+104	4112+104	4217(Top 16%)	3954(Top 26%)	3954(Top 75%)
20K	12.43 mi	3.11 mi	4031+364	3787+325	3787+325	3216(Top 12%)	3053(Top 20%)	3053(Top 58%)
Half	13.11 mi	0.68 mi	3907+124	3680+107	3680+107	2229(Top 8%)	2139(Top 14%)	2139(Top 40%)
25K	15.53 mi	2.42 mi	3590+317	3397+283	3397+283	2464(Top 9%)	2356(Top 16%)	2356(Top 45%)
30K	18.64 mi	3.11 mi	3127+463	2978+419	2978+419	1848(Top 7%)	1771(Top 12%)	1771(Top 34%)
20M	20.00 mi	1.36 mi	2946+181	2811+167	2811+167	1560(Top 6%)	1488(Top 10%)	1488(Top 28%)
21M	21.00 mi	1.00 mi	2815+131	2690+121	2690+121	1471(Top 6%)	1403(Top 9%)	1403(Top 27%)
35K	21.75 mi	0.75 mi	2698+117	2579+111	2579+111	1111(Top 4%)	1059(Top 7%)	1059(Top 20%)
23M	23.00 mi	1.25 mi	2558+140	2446+133	2446+133	1464(Top 5%)	1391(Top 9%)	1391(Top 26%)
24M	24.00 mi	1.00 mi	2465+93	2357+89	2357+89	1351(Top 5%)	1279(Top 8%)	1279(Top 24%)
40K	24.85 mi	0.85 mi	2393+72	2288+69	2288+69	1078(Top 4%)	1021(Top 7%)	1021(Top 19%)
25.2M	25.20 mi	0.35 mi	2359+34	2257+31	2257+31	1224(Top 5%)	1163(Top 8%)	1163(Top 22%)
Finish	26.22 mi	1.02 mi	2251+108	2156+101	2156+101	948(Top 4%)	906(Top 6%)	906(Top 17%)

906

Passing Analysis

Category:

Athletes Passed

2513

Passed By

374

Net Change

+2139

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#4390
5K → 10K	166	289	-123	#4390	#4513
10K → 15K	190	72	+118	#4513	#4395
15K → 20K	367	3	+364	#4395	#4031
20K → Half	124	0	+124	#4031	#3907
Half → 25K	317	0	+317	#3907	#3590
25K → 30K	463	0	+463	#3590	#3127
30K → 20M	181	0	+181	#3127	#2946
20M → 21M	132	1	+131	#2946	#2815
21M → 35K	117	0	+117	#2815	#2698
35K → 23M	145	5	+140	#2698	#2558
23M → 24M	94	1	+93	#2558	#2465
24M → 40K	74	2	+72	#2465	#2393
40K → 25.2M	35	1	+34	#2393	#2359
25.2M → Finish	108	0	+108	#2359	#2251
TOTALS	2513	374	+2139

📊

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

John Castonguay

⏱️ 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