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BOSTON MARATHON 2023

Damian Szmulewicz

Bib: 8296•M

GA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
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
21:14
Rank: #4988
Start → 5K
21:14 | 6:50/mi
10K· 6.21 mi
42:19
Rank: #5049 (-61)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:03:27
Rank: #5059 (-10)
10K → 15K
21:08 | 6:48/mi
20K· 12.43 mi
1:24:43
Rank: #4992 (+67)
15K → 20K
21:16 | 6:51/mi
Half· 13.11 mi
1:29:22
Rank: #5007 (-15)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:45:57
Rank: #4897 (+110)
Half → 25K
16:35 | 6:50/mi
30K· 18.64 mi
2:07:05
Rank: #4456 (+441)
25K → 30K
21:08 | 6:48/mi
20M
2:16:28
Rank: #4353 (+103)
30K → 20M
9:23 | 6:54/mi
21M
2:23:33
Rank: #4186 (+167)
20M → 21M
7:05 | 7:05/mi
35K· 21.75 mi
2:28:43
Rank: #4201 (-15)
21M → 35K
5:10 | 6:54/mi
23M
2:37:33
Rank: #4186 (+15)
35K → 23M
8:50 | 7:03/mi
24M
2:44:25
Rank: #4190 (-4)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:50:35
Rank: #4218 (-28)
24M → 40K
6:10 | 7:13/mi
25.2M
2:53:14
Rank: #4232 (-14)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
3:00:04
Rank: #4211 (+21)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:22
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:30:42
Pace6:55 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:3121:146:5021:14
6:50
-
10K
6.21 mi11:07:3642:196:4921:05
6:47
-0:03
15K
9.32 mi11:28:441:03:276:4821:08
6:48
+0:01
20K
12.43 mi11:50:001:24:436:4921:16
6:51
+0:03
Half
13.11 mi11:54:391:29:226:494:39
6:49
-0:02
25K
15.53 mi12:11:141:45:576:4916:35
6:50
+0:01
30K
18.64 mi12:32:222:07:056:4921:08
6:48
-0:02
20M
20.00 mi12:41:452:16:286:499:23
6:54
+0:06
21M
21.00 mi12:48:502:23:336:507:05
7:05
+0:11
35K
21.75 mi12:54:002:28:436:505:10
6:54
-0:11
23M
23.00 mi13:02:502:37:336:518:50
7:03
+0:09
24M
24.00 mi13:09:422:44:256:516:52
6:52
-0:11
40K
24.85 mi13:15:522:50:356:526:10
7:13
+0:21
25.2M
25.20 mi13:18:312:53:146:522:39
7:41
+0:28
Finish
26.22 mi13:25:213:00:046:526:50
6:42
-0:59

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

6:42 /mi

Average Pace

6:52 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:25

99% of race

Time at Steady Pace

2:39

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:46:3121:146:5021:14
6:50
#4988
10K
6.21 mi11:07:3642:196:4921:05
6:47
#5049
15K
9.32 mi11:28:441:03:276:4821:08
6:48
#5059
20K
12.43 mi11:50:001:24:436:4921:16
6:51
#4992
Half
13.11 mi11:54:391:29:226:494:39
6:49
#5007
25K
15.53 mi12:11:141:45:576:4916:35
6:50
#4897
30K
18.64 mi12:32:222:07:056:4921:08
6:48
#4456
20M
20.00 mi12:41:452:16:286:499:23
6:54
#4353
21M
21.00 mi12:48:502:23:336:507:05
7:05
#4186
35K
21.75 mi12:54:002:28:436:505:10
6:54
#4201
23M
23.00 mi13:02:502:37:336:518:50
7:03
#4186
24M
24.00 mi13:09:422:44:256:516:52
6:52
#4190
40K
24.85 mi13:15:522:50:356:526:10
7:13
#4218
25.2M
25.20 mi13:18:312:53:146:522:39
7:41
#4232
Finish
26.22 mi13:25:213:00:046:526:50
6:42
#4211
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4988463046305130(Top 19%)4747(Top 31%)4747(Top 90%)
10K6.21 mi3.10 mi5049-614678-484678-485137(Top 19%)4751(Top 31%)4751(Top 90%)
15K9.32 mi3.11 mi5059-104695-174695-175130(Top 19%)4747(Top 31%)4747(Top 90%)
20K12.43 mi3.11 mi4992+674640+554640+554854(Top 18%)4506(Top 30%)4506(Top 85%)
Half13.11 mi0.68 mi5007-154654-144654-145315(Top 20%)4898(Top 32%)4898(Top 93%)
25K15.53 mi2.42 mi4897+1104552+1024552+1024496(Top 17%)4188(Top 28%)4188(Top 79%)
30K18.64 mi3.11 mi4456+4414163+3894163+3893006(Top 11%)2844(Top 19%)2844(Top 54%)
20M20.00 mi1.36 mi4353+1034070+934070+933474(Top 13%)3246(Top 21%)3246(Top 61%)
21M21.00 mi1.00 mi4186+1673921+1493921+1492573(Top 10%)2431(Top 16%)2431(Top 46%)
35K21.75 mi0.75 mi4201-153933-123933-124779(Top 18%)4315(Top 28%)4315(Top 82%)
23M23.00 mi1.25 mi4186+153920+133920+134050(Top 15%)3726(Top 25%)3726(Top 71%)
24M24.00 mi1.00 mi4190-43921-13921-14014(Top 15%)3662(Top 24%)3662(Top 69%)
40K24.85 mi0.85 mi4218-283945-243945-244925(Top 18%)4292(Top 28%)4292(Top 81%)
25.2M25.20 mi0.35 mi4232-143958-133958-134754(Top 18%)4107(Top 27%)4107(Top 78%)
Finish26.22 mi1.02 mi4211+213934+243934+243549(Top 13%)3174(Top 21%)3174(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5130

Males

4747

M18-39

4747

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5137

Males

4751

M18-39

4751

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5130

Males

4747

M18-39

4747

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

4854

Males

4506

M18-39

4506

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5315

Males

4898

M18-39

4898

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4496

Males

4188

M18-39

4188

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3006

Males

2844

M18-39

2844

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3474

Males

3246

M18-39

3246

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2573

Males

2431

M18-39

2431

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4779

Males

4315

M18-39

4315

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4050

Males

3726

M18-39

3726

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4014

Males

3662

M18-39

3662

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4925

Males

4292

M18-39

4292

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4754

Males

4107

M18-39

4107

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3549

Males

3174

M18-39

3174

Passing Analysis

Category:
Athletes Passed
1592
Passed By
815
Net Change
+777
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4988
5K → 10K169230-61#4988#5049
10K → 15K108118-10#5049#5059
15K → 20K13770+67#5059#4992
20K → Half1732-15#4992#5007
Half → 25K15747+110#5007#4897
25K → 30K4487+441#4897#4456
30K → 20M12320+103#4456#4353
20M → 21M1725+167#4353#4186
21M → 35K2742-15#4186#4201
35K → 23M6752+15#4201#4186
23M → 24M5155-4#4186#4190
24M → 40K4573-28#4190#4218
40K → 25.2M1529-14#4218#4232
25.2M → Finish5635+21#4232#4211
TOTALS1592815+777
📊

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