Michael Brosilow

Bib: 8366•M

Masters

0:00

0:00

/ mi

Masters

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Overall

#0 / 28404

Top 34%

Gender (Male)

#0 / 16105

Top 47%

Masters (Masters Men)

#0 / 10463

Top 35%

Age Group (M65-69)

#0 / 639

Top 2%

Race Day Weather

50°/40°F

broken 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

22:08

Rank: #8844

Start → 5K

22:08 | 7:07/mi

5K· 3.11 mi

22:08

Rank: #8844

Start → 5K

22:08 | 7:07/mi

10K· 6.21 mi

44:26

Rank: #9032 (-188)

5K → 10K

22:18 | 7:11/mi

10K· 6.21 mi

44:26

Rank: #9032 (-188)

5K → 10K

22:18 | 7:11/mi

15K· 9.32 mi

1:07:16

Rank: #9463 (-431)

10K → 15K

22:50 | 7:21/mi

15K· 9.32 mi

1:07:16

Rank: #9463 (-431)

10K → 15K

22:50 | 7:21/mi

20K· 12.43 mi

1:30:44

Rank: #9882 (-419)

15K → 20K

23:28 | 7:33/mi

20K· 12.43 mi

1:30:44

Rank: #9882 (-419)

15K → 20K

23:28 | 7:33/mi

Half· 13.11 mi

1:35:43

Rank: #9892 (-10)

20K → Half

4:59 | 7:18/mi

Half· 13.11 mi

1:35:43

Rank: #9892 (-10)

20K → Half

4:59 | 7:18/mi

25K· 15.53 mi

1:53:55

Rank: #9851 (+41)

Half → 25K

18:12 | 7:30/mi

25K· 15.53 mi

1:53:55

Rank: #9851 (+41)

Half → 25K

18:12 | 7:30/mi

30K· 18.64 mi

2:17:52

Rank: #9664 (+187)

25K → 30K

23:57 | 7:43/mi

30K· 18.64 mi

2:17:52

Rank: #9664 (+187)

25K → 30K

23:57 | 7:43/mi

20M

2:28:31

Rank: #9599 (+65)

30K → 20M

10:39 | 7:50/mi

20M

2:28:31

Rank: #9599 (+65)

30K → 20M

10:39 | 7:50/mi

21M

2:36:57

Rank: #9586 (+13)

20M → 21M

8:26 | 8:26/mi

21M

2:36:57

Rank: #9586 (+13)

20M → 21M

8:26 | 8:26/mi

35K· 21.75 mi

2:42:47

Rank: #9618 (-32)

21M → 35K

5:50 | 7:48/mi

35K· 21.75 mi

2:42:47

Rank: #9618 (-32)

21M → 35K

5:50 | 7:48/mi

23M

2:52:54

Rank: #9647 (-29)

35K → 23M

10:07 | 8:05/mi

23M

2:52:54

Rank: #9647 (-29)

35K → 23M

10:07 | 8:05/mi

24M

3:00:42

Rank: #9622 (+25)

23M → 24M

7:48 | 7:48/mi

24M

3:00:42

Rank: #9622 (+25)

23M → 24M

7:48 | 7:48/mi

40K· 24.85 mi

3:07:29

Rank: #9600 (+22)

24M → 40K

6:47 | 7:56/mi

40K· 24.85 mi

3:07:29

Rank: #9600 (+22)

24M → 40K

6:47 | 7:56/mi

25.2M

3:10:27

Rank: #9574 (+26)

40K → 25.2M

2:58 | 8:36/mi

25.2M

3:10:27

Rank: #9574 (+26)

40K → 25.2M

2:58 | 8:36/mi

Finish· 26.22 mi

3:18:11

Rank: #9576 (-2)

25.2M → Finish

7:44 | 7:35/mi

Finish· 26.22 mi

3:18:11

Rank: #9576 (-2)

25.2M → Finish

7:44 | 7:35/mi

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Half Splits

1st Half· via HalfFaster

Distance13.11 mi

Time1:35:43

Pace7:18 /mi

2nd Half

Distance13.11 mi

Time1:42:28

Pace7:49 /mi

📊Positive Split: 7.1% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:30:07	22:08	7:07	22:08	7:07	-
10K	6.21 mi	10:52:25	44:26	7:09	22:18	7:11	+0:04
15K	9.32 mi	11:15:15	1:07:16	7:13	22:50	7:21	+0:10
20K	12.43 mi	11:38:43	1:30:44	7:18	23:28	7:33	+0:12
Half	13.11 mi	11:43:42	1:35:43	7:18	4:59	7:18	-0:15
25K	15.53 mi	12:01:54	1:53:55	7:20	18:12	7:30	+0:12
30K	18.64 mi	12:25:51	2:17:52	7:24	23:57	7:43	+0:13
20M	20.00 mi	12:36:30	2:28:31	7:26	10:39	7:50	+0:07
21M	21.00 mi	12:44:56	2:36:57	7:28	8:26	8:26	+0:36
35K	21.75 mi	12:50:46	2:42:47	7:29	5:50	7:48	-0:38
23M	23.00 mi	13:00:53	2:52:54	7:31	10:07	8:05	+0:17
24M	24.00 mi	13:08:41	3:00:42	7:32	7:48	7:48	-0:17
40K	24.85 mi	13:15:28	3:07:29	7:33	6:47	7:56	+0:08
25.2M	25.20 mi	13:18:26	3:10:27	7:33	2:58	8:36	+0:40
Finish	26.22 mi	13:26:10	3:18:11	7:34	7:44	7:35	-1:01

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

7:07 /mi

Average Pace

7:34 /mi

Slowest Pace

8:36 /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

1:30:27

46% of race

Time at Steady Pace

1:19:26

40% of race

Time at Slower Pace

28:18

14% of race

Average Pace: 7:34 /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	10:30:07	22:08	7:07	22:08	7:07	#8844
10K	6.21 mi	10:52:25	44:26	7:09	22:18	7:11	#9032
15K	9.32 mi	11:15:15	1:07:16	7:13	22:50	7:21	#9463
20K	12.43 mi	11:38:43	1:30:44	7:18	23:28	7:33	#9882
Half	13.11 mi	11:43:42	1:35:43	7:18	4:59	7:18	#9892
25K	15.53 mi	12:01:54	1:53:55	7:20	18:12	7:30	#9851
30K	18.64 mi	12:25:51	2:17:52	7:24	23:57	7:43	#9664
20M	20.00 mi	12:36:30	2:28:31	7:26	10:39	7:50	#9599
21M	21.00 mi	12:44:56	2:36:57	7:28	8:26	8:26	#9586
35K	21.75 mi	12:50:46	2:42:47	7:29	5:50	7:48	#9618
23M	23.00 mi	13:00:53	2:52:54	7:31	10:07	8:05	#9647
24M	24.00 mi	13:08:41	3:00:42	7:32	7:48	7:48	#9622
40K	24.85 mi	13:15:28	3:07:29	7:33	6:47	7:56	#9600
25.2M	25.20 mi	13:18:26	3:10:27	7:33	2:58	8:36	#9574
Finish	26.22 mi	13:26:10	3:18:11	7:34	7:44	7:35	#9576

Faster pace

Steady pace

Slower pace

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M65-69	Seg. Overall	Seg. Males	Seg. M65-69
5K	3.11 mi	3.11 mi	8844	7521	7521	10390(Top 37%)	8287(Top 51%)	8287(Top 1297%)
10K	6.21 mi	3.10 mi	9032-188	7621-100	7621-100	9293(Top 33%)	7765(Top 48%)	7765(Top 1215%)
15K	9.32 mi	3.11 mi	9463-431	7854-233	7854-233	10390(Top 37%)	8287(Top 51%)	8287(Top 1297%)
20K	12.43 mi	3.11 mi	9882-419	8042-188	8042-188	11177(Top 39%)	8572(Top 53%)	8572(Top 1341%)
Half	13.11 mi	0.68 mi	9892-10	8047-5	8047-5	9978(Top 35%)	8000(Top 50%)	8000(Top 1252%)
25K	15.53 mi	2.42 mi	9851+41	7987+60	7987+60	9996(Top 35%)	7867(Top 49%)	7867(Top 1231%)
30K	18.64 mi	3.11 mi	9664+187	7827+160	7827+160	9243(Top 33%)	7281(Top 45%)	7281(Top 1139%)
20M	20.00 mi	1.36 mi	9599+65	7760+67	7760+67	9263(Top 33%)	7139(Top 44%)	7139(Top 1117%)
21M	21.00 mi	1.00 mi	9586+13	7726+34	7726+34	10026(Top 35%)	7377(Top 46%)	7377(Top 1154%)
35K	21.75 mi	0.75 mi	9618-32	7728-2	7728-2	10748(Top 38%)	7730(Top 48%)	7730(Top 1210%)
23M	23.00 mi	1.25 mi	9647-29	7699+29	7699+29	10585(Top 37%)	7521(Top 47%)	7521(Top 1177%)
24M	24.00 mi	1.00 mi	9622+25	7642+57	7642+57	9778(Top 34%)	7049(Top 44%)	7049(Top 1103%)
40K	24.85 mi	0.85 mi	9600+22	7593+49	7593+49	9677(Top 34%)	6887(Top 43%)	6887(Top 1078%)
25.2M	25.20 mi	0.35 mi	9574+26	7566+27	7566+27	9371(Top 33%)	6623(Top 41%)	6623(Top 1036%)
Finish	26.22 mi	1.02 mi	9576-2	7517+49	7517+49	9820(Top 35%)	6881(Top 43%)	6881(Top 1077%)

6881

Passing Analysis

Category:

Athletes Passed

1476

Passed By

2207

Net Change

-732

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#8844
5K → 10K	139	327	-188	#8844	#9032
10K → 15K	58	489	-431	#9032	#9463
15K → 20K	91	509	-419	#9463	#9882
20K → Half	22	32	-10	#9882	#9892
Half → 25K	174	133	+41	#9892	#9851
25K → 30K	318	131	+187	#9851	#9664
30K → 20M	130	65	+65	#9664	#9599
20M → 21M	95	82	+13	#9599	#9586
21M → 35K	49	81	-32	#9586	#9618
35K → 23M	99	128	-29	#9618	#9647
23M → 24M	101	76	+25	#9647	#9622
24M → 40K	82	60	+22	#9622	#9600
40K → 25.2M	42	16	+26	#9600	#9574
25.2M → Finish	76	78	-2	#9574	#9576
TOTALS	1476	2207	-732

📊

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 4 days ago

Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

Michael Brosilow

⏱️ 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