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BOSTON MARATHON 2023

Michael Jakubowski

Bib: 27607•M

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:25
Rank: #24544
Start → 5K
32:25 | 10:26/mi
10K· 6.21 mi
1:04:46
Rank: #24536 (+8)
5K → 10K
32:21 | 10:25/mi
15K· 9.32 mi
1:38:18
Rank: #24712 (-176)
10K → 15K
33:32 | 10:48/mi
20K· 12.43 mi
2:12:43
Rank: #24723 (-11)
15K → 20K
34:25 | 11:05/mi
Half· 13.11 mi
2:19:53
Rank: #24705 (+18)
20K → Half
7:10 | 10:30/mi
25K· 15.53 mi
2:50:14
Rank: #24943 (-238)
Half → 25K
30:21 | 12:31/mi
30K· 18.64 mi
3:34:21
Rank: #25317 (-374)
25K → 30K
44:07 | 14:12/mi
20M
3:54:18
Rank: #25444 (-127)
30K → 20M
19:57 | 14:41/mi
21M
4:11:22
Rank: #25574 (-130)
20M → 21M
17:04 | 17:04/mi
35K· 21.75 mi
4:21:11
Rank: #25578 (-4)
21M → 35K
9:49 | 13:07/mi
23M
4:38:55
Rank: #25615 (-37)
35K → 23M
17:44 | 14:10/mi
24M
4:52:24
Rank: #25638 (-23)
23M → 24M
13:29 | 13:29/mi
40K· 24.85 mi
5:03:59
Rank: #25646 (-8)
24M → 40K
11:35 | 13:33/mi
25.2M
5:08:41
Rank: #25631 (+15)
40K → 25.2M
4:42 | 13:38/mi
Finish· 26.22 mi
5:19:47
Rank: #25595 (+36)
25.2M → Finish
11:06 | 10:54/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:53
Pace10:40 /mi
2nd Half
Distance13.11 mi
Time2:59:54
Pace13:43 /mi
📊Positive Split: 28.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3932:2510:2632:25
10:26
-
10K
6.21 mi12:26:001:04:4610:2532:21
10:25
-0:01
15K
9.32 mi12:59:321:38:1810:3333:32
10:48
+0:23
20K
12.43 mi13:33:572:12:4310:4134:25
11:05
+0:17
Half
13.11 mi13:41:072:19:5310:407:10
10:30
-0:35
25K
15.53 mi14:11:282:50:1410:5830:21
12:31
+2:01
30K
18.64 mi14:55:353:34:2111:3044:07
14:12
+1:41
20M
20.00 mi15:15:323:54:1811:4319:57
14:41
+0:29
21M
21.00 mi15:32:364:11:2211:5817:04
17:04
+2:23
35K
21.75 mi15:42:254:21:1112:019:49
13:07
-3:57
23M
23.00 mi16:00:094:38:5512:0817:44
14:10
+1:03
24M
24.00 mi16:13:384:52:2412:1113:29
13:29
-0:41
40K
24.85 mi16:25:135:03:5912:1411:35
13:33
+0:04
25.2M
25.20 mi16:29:555:08:4112:154:42
13:38
+0:05
Finish
26.22 mi16:41:015:19:4712:1211:06
10:54
-2:44

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

10:25 /mi

Average Pace

12:12 /mi

Slowest Pace

17:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:30:59

47% of race

Time at Steady Pace

1:09:56

22% of race

Time at Slower Pace

1:38:52

31% of race

Average Pace: 12:12 /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 mi11:53:3932:2510:2632:25
10:26
#24544
10K
6.21 mi12:26:001:04:4610:2532:21
10:25
#24536
15K
9.32 mi12:59:321:38:1810:3333:32
10:48
#24712
20K
12.43 mi13:33:572:12:4310:4134:25
11:05
#24723
Half
13.11 mi13:41:072:19:5310:407:10
10:30
#24705
25K
15.53 mi14:11:282:50:1410:5830:21
12:31
#24943
30K
18.64 mi14:55:353:34:2111:3044:07
14:12
#25317
20M
20.00 mi15:15:323:54:1811:4319:57
14:41
#25444
21M
21.00 mi15:32:364:11:2211:5817:04
17:04
#25574
35K
21.75 mi15:42:254:21:1112:019:49
13:07
#25578
23M
23.00 mi16:00:094:38:5512:0817:44
14:10
#25615
24M
24.00 mi16:13:384:52:2412:1113:29
13:29
#25638
40K
24.85 mi16:25:135:03:5912:1411:35
13:33
#25646
25.2M
25.20 mi16:29:555:08:4112:154:42
13:38
#25631
Finish
26.22 mi16:41:015:19:4712:1211:06
10:54
#25595
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24544143381433824923(Top 94%)14487(Top 95%)14487(Top 274%)
10K6.21 mi3.10 mi24536+814335+314335+324521(Top 92%)14323(Top 94%)14323(Top 271%)
15K9.32 mi3.11 mi24712-17614404-6914404-6924923(Top 94%)14487(Top 95%)14487(Top 274%)
20K12.43 mi3.11 mi24723-1114397+714397+724726(Top 93%)14384(Top 95%)14384(Top 272%)
Half13.11 mi0.68 mi24705+1814391+614391+624221(Top 91%)14155(Top 93%)14155(Top 268%)
25K15.53 mi2.42 mi24943-23814491-10014491-10025557(Top 96%)14713(Top 97%)14713(Top 278%)
30K18.64 mi3.11 mi25317-37414622-13114622-13126125(Top 98%)14944(Top 98%)14944(Top 283%)
20M20.00 mi1.36 mi25444-12714672-5014672-5026179(Top 98%)14941(Top 98%)14941(Top 283%)
21M21.00 mi1.00 mi25574-13014728-5614728-5626444(Top 99%)15084(Top 99%)15084(Top 285%)
35K21.75 mi0.75 mi25578-414731-314731-325649(Top 96%)14658(Top 97%)14658(Top 277%)
23M23.00 mi1.25 mi25615-3714739-814739-825924(Top 97%)14794(Top 97%)14794(Top 280%)
24M24.00 mi1.00 mi25638-2314748-914748-925787(Top 97%)14698(Top 97%)14698(Top 278%)
40K24.85 mi0.85 mi25646-814747+114747+125385(Top 95%)14501(Top 96%)14501(Top 274%)
25.2M25.20 mi0.35 mi25631+1514741+614741+624654(Top 93%)14121(Top 93%)14121(Top 267%)
Finish26.22 mi1.02 mi25595+3614716+2514716+2523777(Top 89%)13715(Top 90%)13715(Top 260%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

24923

Males

14487

M18-39

14487

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

24521

Males

14323

M18-39

14323

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

24923

Males

14487

M18-39

14487

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

24726

Males

14384

M18-39

14384

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

24221

Males

14155

M18-39

14155

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

25557

Males

14713

M18-39

14713

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

26125

Males

14944

M18-39

14944

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

26179

Males

14941

M18-39

14941

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

26444

Males

15084

M18-39

15084

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25649

Males

14658

M18-39

14658

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

25924

Males

14794

M18-39

14794

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

25787

Males

14698

M18-39

14698

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25385

Males

14501

M18-39

14501

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24654

Males

14121

M18-39

14121

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2stories
+22ft-21ft

Overall

23777

Males

13715

M18-39

13715

Passing Analysis

Category:
Athletes Passed
532
Passed By
1583
Net Change
-1051
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24544
5K → 10K203195+8#24544#24536
10K → 15K65241-176#24536#24712
15K → 20K98109-11#24712#24723
20K → Half2810+18#24723#24705
Half → 25K18256-238#24705#24943
25K → 30K9383-374#24943#25317
30K → 20M5132-127#25317#25444
20M → 21M5135-130#25444#25574
21M → 35K1620-4#25574#25578
35K → 23M744-37#25578#25615
23M → 24M831-23#25615#25638
24M → 40K1220-8#25638#25646
40K → 25.2M227+15#25646#25631
25.2M → Finish360+36#25631#25595
TOTALS5321583-1051
📊

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