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BOSTON MARATHON 2023

David Strumski

Bib: 1680•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:33
Rank: #2951
Start → 5K
20:33 | 6:37/mi
10K· 6.21 mi
40:25
Rank: #2517 (+434)
5K → 10K
19:52 | 6:24/mi
15K· 9.32 mi
1:00:10
Rank: #2284 (+233)
10K → 15K
19:45 | 6:21/mi
20K· 12.43 mi
1:19:41
Rank: #1995 (+289)
15K → 20K
19:31 | 6:17/mi
Half· 13.11 mi
1:23:52
Rank: #1930 (+65)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:39:05
Rank: #1802 (+128)
Half → 25K
15:13 | 6:17/mi
30K· 18.64 mi
1:58:46
Rank: #1631 (+171)
25K → 30K
19:41 | 6:20/mi
20M
2:07:36
Rank: #1607 (+24)
30K → 20M
8:50 | 6:30/mi
21M
2:14:31
Rank: #1594 (+13)
20M → 21M
6:55 | 6:55/mi
35K· 21.75 mi
2:19:16
Rank: #1585 (+9)
21M → 35K
4:45 | 6:21/mi
23M
2:27:31
Rank: #1579 (+6)
35K → 23M
8:15 | 6:35/mi
24M
2:34:00
Rank: #1571 (+8)
23M → 24M
6:29 | 6:29/mi
40K· 24.85 mi
2:39:37
Rank: #1563 (+8)
24M → 40K
5:37 | 6:34/mi
25.2M
2:42:02
Rank: #1560 (+3)
40K → 25.2M
2:25 | 7:00/mi
Finish· 26.22 mi
2:48:42
Rank: #1568 (-8)
25.2M → Finish
6:40 | 6:33/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:52
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:24:50
Pace6:28 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3020:336:3720:33
6:37
-
10K
6.21 mi10:41:2240:256:3019:52
6:24
-0:13
15K
9.32 mi11:01:071:00:106:2719:45
6:21
-0:03
20K
12.43 mi11:20:381:19:416:2519:31
6:17
-0:04
Half
13.11 mi11:24:491:23:526:244:11
6:08
-0:09
25K
15.53 mi11:40:021:39:056:2315:13
6:17
+0:09
30K
18.64 mi11:59:431:58:466:2219:41
6:20
+0:03
20M
20.00 mi12:08:332:07:366:238:50
6:30
+0:10
21M
21.00 mi12:15:282:14:316:246:55
6:55
+0:25
35K
21.75 mi12:20:132:19:166:244:45
6:21
-0:34
23M
23.00 mi12:28:282:27:316:258:15
6:35
+0:14
24M
24.00 mi12:34:572:34:006:256:29
6:29
-0:06
40K
24.85 mi12:40:342:39:376:255:37
6:34
+0:05
25.2M
25.20 mi12:42:592:42:026:262:25
7:00
+0:26
Finish
26.22 mi12:49:392:48:426:266:40
6:33
-0:27

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

6:08 /mi

Average Pace

6:26 /mi

Slowest Pace

7:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:22

94% of race

Time at Steady Pace

9:20

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:26 /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 mi10:21:3020:336:3720:33
6:37
#2951
10K
6.21 mi10:41:2240:256:3019:52
6:24
#2517
15K
9.32 mi11:01:071:00:106:2719:45
6:21
#2284
20K
12.43 mi11:20:381:19:416:2519:31
6:17
#1995
Half
13.11 mi11:24:491:23:526:244:11
6:08
#1930
25K
15.53 mi11:40:021:39:056:2315:13
6:17
#1802
30K
18.64 mi11:59:431:58:466:2219:41
6:20
#1631
20M
20.00 mi12:08:332:07:366:238:50
6:30
#1607
21M
21.00 mi12:15:282:14:316:246:55
6:55
#1594
35K
21.75 mi12:20:132:19:166:244:45
6:21
#1585
23M
23.00 mi12:28:282:27:316:258:15
6:35
#1579
24M
24.00 mi12:34:572:34:006:256:29
6:29
#1571
40K
24.85 mi12:40:342:39:376:255:37
6:34
#1563
25.2M
25.20 mi12:42:592:42:026:262:25
7:00
#1560
Finish
26.22 mi12:49:392:48:426:266:40
6:33
#1568
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2951280128011894(Top 7%)1814(Top 12%)1814(Top 34%)
10K6.21 mi3.10 mi2517+4342400+4012400+4012207(Top 8%)2113(Top 14%)2113(Top 40%)
15K9.32 mi3.11 mi2284+2332187+2132187+2131894(Top 7%)1814(Top 12%)1814(Top 34%)
20K12.43 mi3.11 mi1995+2891910+2771910+2771320(Top 5%)1261(Top 8%)1261(Top 24%)
Half13.11 mi0.68 mi1930+651848+621848+621136(Top 4%)1085(Top 7%)1085(Top 21%)
25K15.53 mi2.42 mi1802+1281723+1251723+1251254(Top 5%)1198(Top 8%)1198(Top 23%)
30K18.64 mi3.11 mi1631+1711561+1621561+1621025(Top 4%)974(Top 6%)974(Top 18%)
20M20.00 mi1.36 mi1607+241536+251536+251445(Top 5%)1374(Top 9%)1374(Top 26%)
21M21.00 mi1.00 mi1594+131524+121524+121809(Top 7%)1721(Top 11%)1721(Top 33%)
35K21.75 mi0.75 mi1585+91515+91515+91738(Top 7%)1651(Top 11%)1651(Top 31%)
23M23.00 mi1.25 mi1579+61509+61509+61724(Top 6%)1634(Top 11%)1634(Top 31%)
24M24.00 mi1.00 mi1571+81502+71502+72006(Top 8%)1881(Top 12%)1881(Top 36%)
40K24.85 mi0.85 mi1563+81493+91493+91778(Top 7%)1673(Top 11%)1673(Top 32%)
25.2M25.20 mi0.35 mi1560+31490+31490+31735(Top 7%)1628(Top 11%)1628(Top 31%)
Finish26.22 mi1.02 mi1568-81499-91499-92666(Top 10%)2438(Top 16%)2438(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1894

Males

1814

M18-39

1814

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2207

Males

2113

M18-39

2113

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1894

Males

1814

M18-39

1814

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1320

Males

1261

M18-39

1261

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1136

Males

1085

M18-39

1085

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1254

Males

1198

M18-39

1198

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1025

Males

974

M18-39

974

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1445

Males

1374

M18-39

1374

20M→21M

20.0 - 21.0 mi

Top 7%
×8stories
+106ft-24ft

Overall

1809

Males

1721

M18-39

1721

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1738

Males

1651

M18-39

1651

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1724

Males

1634

M18-39

1634

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2006

Males

1881

M18-39

1881

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1778

Males

1673

M18-39

1673

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1735

Males

1628

M18-39

1628

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2666

Males

2438

M18-39

2438

Passing Analysis

Category:
Athletes Passed
1557
Passed By
174
Net Change
+1383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2951
5K → 10K46127+434#2951#2517
10K → 15K2396+233#2517#2284
15K → 20K2890+289#2284#1995
20K → Half650+65#1995#1930
Half → 25K1280+128#1930#1802
25K → 30K1765+171#1802#1631
30K → 20M339+24#1631#1607
20M → 21M3219+13#1607#1594
21M → 35K167+9#1594#1585
35K → 23M3226+6#1585#1579
23M → 24M3123+8#1579#1571
24M → 40K2820+8#1571#1563
40K → 25.2M107+3#1563#1560
25.2M → Finish1725-8#1560#1568
TOTALS1557174+1383
📊

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