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BOSTON MARATHON 2023

Matthew Pembroke

Bib: 5920•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 15%
Gender (Male)
#0 / 15176
Top 24%
Division (M18-39)
#0 / 5285
Top 49%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:30
Rank: #5712
Start → 5K
21:30 | 6:55/mi
10K· 6.21 mi
42:46
Rank: #5675 (+37)
5K → 10K
21:16 | 6:51/mi
15K· 9.32 mi
1:04:01
Rank: #5610 (+65)
10K → 15K
21:15 | 6:50/mi
20K· 12.43 mi
1:25:15
Rank: #5405 (+205)
15K → 20K
21:14 | 6:50/mi
Half· 13.11 mi
1:29:52
Rank: #5388 (+17)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:46:22
Rank: #5160 (+228)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:07:36
Rank: #4707 (+453)
25K → 30K
21:14 | 6:50/mi
20M
2:16:44
Rank: #4478 (+229)
30K → 20M
9:08 | 6:43/mi
21M
2:23:54
Rank: #4335 (+143)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:28:49
Rank: #4238 (+97)
21M → 35K
4:55 | 6:34/mi
23M
2:37:21
Rank: #4125 (+113)
35K → 23M
8:32 | 6:49/mi
24M
2:43:57
Rank: #4009 (+116)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:49:44
Rank: #3938 (+71)
24M → 40K
5:47 | 6:46/mi
25.2M
2:52:16
Rank: #3908 (+30)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:59:14
Rank: #3935 (-27)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:52
Pace6:51 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:22
Pace6:49 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3521:306:5521:30
6:55
-
10K
6.21 mi10:45:5142:466:5321:16
6:51
-0:04
15K
9.32 mi11:07:061:04:016:5221:15
6:50
-0:01
20K
12.43 mi11:28:201:25:156:5221:14
6:50
0:00
Half
13.11 mi11:32:571:29:526:514:37
6:46
-0:04
25K
15.53 mi11:49:271:46:226:5116:30
6:48
+0:02
30K
18.64 mi12:10:412:07:366:5121:14
6:50
+0:02
20M
20.00 mi12:19:492:16:446:509:08
6:43
-0:07
21M
21.00 mi12:26:592:23:546:517:10
7:10
+0:27
35K
21.75 mi12:31:542:28:496:514:55
6:34
-0:36
23M
23.00 mi12:40:262:37:216:508:32
6:49
+0:15
24M
24.00 mi12:47:022:43:576:506:36
6:36
-0:13
40K
24.85 mi12:52:492:49:446:505:47
6:46
+0:10
25.2M
25.20 mi12:55:212:52:166:502:32
7:21
+0:35
Finish
26.22 mi13:02:192:59:146:506:58
6:50
-0:31

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

6:34 /mi

Average Pace

6:50 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:42

99% of race

Time at Steady Pace

2:32

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:24:3521:306:5521:30
6:55
#5712
10K
6.21 mi10:45:5142:466:5321:16
6:51
#5675
15K
9.32 mi11:07:061:04:016:5221:15
6:50
#5610
20K
12.43 mi11:28:201:25:156:5221:14
6:50
#5405
Half
13.11 mi11:32:571:29:526:514:37
6:46
#5388
25K
15.53 mi11:49:271:46:226:5116:30
6:48
#5160
30K
18.64 mi12:10:412:07:366:5121:14
6:50
#4707
20M
20.00 mi12:19:492:16:446:509:08
6:43
#4478
21M
21.00 mi12:26:592:23:546:517:10
7:10
#4335
35K
21.75 mi12:31:542:28:496:514:55
6:34
#4238
23M
23.00 mi12:40:262:37:216:508:32
6:49
#4125
24M
24.00 mi12:47:022:43:576:506:36
6:36
#4009
40K
24.85 mi12:52:492:49:446:505:47
6:46
#3938
25.2M
25.20 mi12:55:212:52:166:502:32
7:21
#3908
Finish
26.22 mi13:02:192:59:146:506:58
6:50
#3935
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5712524852485459(Top 21%)5028(Top 33%)5028(Top 95%)
10K6.21 mi3.10 mi5675+375218+305218+305683(Top 21%)5204(Top 34%)5204(Top 98%)
15K9.32 mi3.11 mi5610+655163+555163+555459(Top 21%)5028(Top 33%)5028(Top 95%)
20K12.43 mi3.11 mi5405+2054995+1684995+1684749(Top 18%)4411(Top 29%)4411(Top 83%)
Half13.11 mi0.68 mi5388+174980+154980+154912(Top 18%)4544(Top 30%)4544(Top 86%)
25K15.53 mi2.42 mi5160+2284784+1964784+1964191(Top 16%)3922(Top 26%)3922(Top 74%)
30K18.64 mi3.11 mi4707+4534388+3964388+3963230(Top 12%)3045(Top 20%)3045(Top 58%)
20M20.00 mi1.36 mi4478+2294177+2114177+2112400(Top 9%)2276(Top 15%)2276(Top 43%)
21M21.00 mi1.00 mi4335+1434051+1264051+1262945(Top 11%)2762(Top 18%)2762(Top 52%)
35K21.75 mi0.75 mi4238+973965+863965+862867(Top 11%)2694(Top 18%)2694(Top 51%)
23M23.00 mi1.25 mi4125+1133863+1023863+1022758(Top 10%)2584(Top 17%)2584(Top 49%)
24M24.00 mi1.00 mi4009+1163755+1083755+1082585(Top 10%)2413(Top 16%)2413(Top 46%)
40K24.85 mi0.85 mi3938+713688+673688+672672(Top 10%)2471(Top 16%)2471(Top 47%)
25.2M25.20 mi0.35 mi3908+303662+263662+263169(Top 12%)2892(Top 19%)2892(Top 55%)
Finish26.22 mi1.02 mi3935-273686-243686-244268(Top 16%)3744(Top 25%)3744(Top 71%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5459

Males

5028

M18-39

5028

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5683

Males

5204

M18-39

5204

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5459

Males

5028

M18-39

5028

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4749

Males

4411

M18-39

4411

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4912

Males

4544

M18-39

4544

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4191

Males

3922

M18-39

3922

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3230

Males

3045

M18-39

3045

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2400

Males

2276

M18-39

2276

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2945

Males

2762

M18-39

2762

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2867

Males

2694

M18-39

2694

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2758

Males

2584

M18-39

2584

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2585

Males

2413

M18-39

2413

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2672

Males

2471

M18-39

2471

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3169

Males

2892

M18-39

2892

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4268

Males

3744

M18-39

3744

Passing Analysis

Category:
Athletes Passed
2206
Passed By
429
Net Change
+1777
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5712
5K → 10K213176+37#5712#5675
10K → 15K14782+65#5675#5610
15K → 20K22217+205#5610#5405
20K → Half2912+17#5405#5388
Half → 25K24517+228#5388#5160
25K → 30K4552+453#5160#4707
30K → 20M2312+229#4707#4478
20M → 21M1496+143#4478#4335
21M → 35K1014+97#4335#4238
35K → 23M12512+113#4238#4125
23M → 24M1226+116#4125#4009
24M → 40K9120+71#4009#3938
40K → 25.2M4111+30#3938#3908
25.2M → Finish3562-27#3908#3935
TOTALS2206429+1777
📊

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