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BOSTON MARATHON 2023

Andrew Jakubowitch

Bib: 4258•M

DE

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Masters (Masters Men)
#0 / 9891
Top 5%
Division (M40-44)
#0 / 2241
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:58
Rank: #4092
Start → 5K
20:58 | 6:45/mi
10K· 6.21 mi
41:06
Rank: #3260 (+832)
5K → 10K
20:08 | 6:29/mi
15K· 9.32 mi
1:00:58
Rank: #2770 (+490)
10K → 15K
19:52 | 6:24/mi
20K· 12.43 mi
1:21:04
Rank: #2587 (+183)
15K → 20K
20:06 | 6:28/mi
Half· 13.11 mi
1:25:27
Rank: #2571 (+16)
20K → Half
4:23 | 6:25/mi
25K· 15.53 mi
1:41:04
Rank: #2444 (+127)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
2:01:42
Rank: #2367 (+77)
25K → 30K
20:38 | 6:38/mi
20M
2:10:51
Rank: #2352 (+15)
30K → 20M
9:09 | 6:44/mi
21M
2:17:53
Rank: #2320 (+32)
20M → 21M
7:02 | 7:02/mi
35K· 21.75 mi
2:22:46
Rank: #2315 (+5)
21M → 35K
4:53 | 6:32/mi
23M
2:31:21
Rank: #2322 (-7)
35K → 23M
8:35 | 6:51/mi
24M
2:38:01
Rank: #2318 (+4)
23M → 24M
6:40 | 6:40/mi
40K· 24.85 mi
2:43:55
Rank: #2319 (-1)
24M → 40K
5:54 | 6:54/mi
25.2M
2:46:28
Rank: #2320 (-1)
40K → 25.2M
2:33 | 7:24/mi
Finish· 26.22 mi
2:53:23
Rank: #2346 (-26)
25.2M → Finish
6:55 | 6:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:27
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:27:56
Pace6:42 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4720:586:4520:58
6:45
-
10K
6.21 mi10:42:5541:066:3720:08
6:29
-0:16
15K
9.32 mi11:02:471:00:586:3219:52
6:24
-0:05
20K
12.43 mi11:22:531:21:046:3120:06
6:28
+0:04
Half
13.11 mi11:27:161:25:276:314:23
6:25
-0:03
25K
15.53 mi11:42:531:41:046:3015:37
6:26
+0:01
30K
18.64 mi12:03:312:01:426:3220:38
6:38
+0:12
20M
20.00 mi12:12:402:10:516:339:09
6:44
+0:06
21M
21.00 mi12:19:422:17:536:347:02
7:02
+0:18
35K
21.75 mi12:24:352:22:466:344:53
6:32
-0:30
23M
23.00 mi12:33:102:31:216:358:35
6:51
+0:19
24M
24.00 mi12:39:502:38:016:356:40
6:40
-0:11
40K
24.85 mi12:45:442:43:556:365:54
6:54
+0:14
25.2M
25.20 mi12:48:172:46:286:362:33
7:24
+0:30
Finish
26.22 mi12:55:122:53:236:376:55
6:47
-0:37

Checkpoints & Pacing

📈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

6:24 /mi

Average Pace

6:37 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:50

99% of race

Time at Steady Pace

2:33

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:37 /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.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:4720:586:4520:58
6:45
#4092
10K
6.21 mi10:42:5541:066:3720:08
6:29
#3260
15K
9.32 mi11:02:471:00:586:3219:52
6:24
#2770
20K
12.43 mi11:22:531:21:046:3120:06
6:28
#2587
Half
13.11 mi11:27:161:25:276:314:23
6:25
#2571
25K
15.53 mi11:42:531:41:046:3015:37
6:26
#2444
30K
18.64 mi12:03:312:01:426:3220:38
6:38
#2367
20M
20.00 mi12:12:402:10:516:339:09
6:44
#2352
21M
21.00 mi12:19:422:17:536:347:02
7:02
#2320
35K
21.75 mi12:24:352:22:466:344:53
6:32
#2315
23M
23.00 mi12:33:102:31:216:358:35
6:51
#2322
24M
24.00 mi12:39:502:38:016:356:40
6:40
#2318
40K
24.85 mi12:45:442:43:556:365:54
6:54
#2319
25.2M
25.20 mi12:48:172:46:286:362:33
7:24
#2320
Finish
26.22 mi12:55:122:53:236:376:55
6:47
#2346
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4092383738372076(Top 8%)1991(Top 13%)1991(Top 89%)
10K6.21 mi3.10 mi3260+8323090+7473090+7472669(Top 10%)2552(Top 17%)2552(Top 114%)
15K9.32 mi3.11 mi2770+4902645+4452645+4452076(Top 8%)1991(Top 13%)1991(Top 89%)
20K12.43 mi3.11 mi2587+1832474+1712474+1712130(Top 8%)2044(Top 13%)2044(Top 91%)
Half13.11 mi0.68 mi2571+162461+132461+132357(Top 9%)2262(Top 15%)2262(Top 101%)
25K15.53 mi2.42 mi2444+1272342+1192342+1191921(Top 7%)1841(Top 12%)1841(Top 82%)
30K18.64 mi3.11 mi2367+772268+742268+742148(Top 8%)2051(Top 14%)2051(Top 92%)
20M20.00 mi1.36 mi2352+152254+142254+142427(Top 9%)2302(Top 15%)2302(Top 103%)
21M21.00 mi1.00 mi2320+322223+312223+312284(Top 9%)2157(Top 14%)2157(Top 96%)
35K21.75 mi0.75 mi2315+52218+52218+52546(Top 10%)2405(Top 16%)2405(Top 107%)
23M23.00 mi1.25 mi2322-72224-62224-62946(Top 11%)2747(Top 18%)2747(Top 123%)
24M24.00 mi1.00 mi2318+42219+52219+52900(Top 11%)2692(Top 18%)2692(Top 120%)
40K24.85 mi0.85 mi2319-12220-12220-13297(Top 12%)3013(Top 20%)3013(Top 134%)
25.2M25.20 mi0.35 mi2320-12221-12221-13323(Top 12%)3006(Top 20%)3006(Top 134%)
Finish26.22 mi1.02 mi2346-262245-242245-243971(Top 15%)3510(Top 23%)3510(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2076

Males

1991

M40-44

1991

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2669

Males

2552

M40-44

2552

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2076

Males

1991

M40-44

1991

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2130

Males

2044

M40-44

2044

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2357

Males

2262

M40-44

2262

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1921

Males

1841

M40-44

1841

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2148

Males

2051

M40-44

2051

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2427

Males

2302

M40-44

2302

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2284

Males

2157

M40-44

2157

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2546

Males

2405

M40-44

2405

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2946

Males

2747

M40-44

2747

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2900

Males

2692

M40-44

2692

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3297

Males

3013

M40-44

3013

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3323

Males

3006

M40-44

3006

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

3971

Males

3510

M40-44

3510

Passing Analysis

Category:
Athletes Passed
2025
Passed By
279
Net Change
+1746
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4092
5K → 10K84412+832#4092#3260
10K → 15K4900+490#3260#2770
15K → 20K19512+183#2770#2587
20K → Half237+16#2587#2571
Half → 25K13811+127#2571#2444
25K → 30K10730+77#2444#2367
30K → 20M4530+15#2367#2352
20M → 21M4412+32#2352#2320
21M → 35K2419+5#2320#2315
35K → 23M3441-7#2315#2322
23M → 24M2723+4#2322#2318
24M → 40K2627-1#2318#2319
40K → 25.2M1011-1#2319#2320
25.2M → Finish1844-26#2320#2346
TOTALS2025279+1746
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing