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BOSTON MARATHON 2023

Mark Van Wouw

Bib: 14441•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
Division (M55-59)
#0 / 1422
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:06
Rank: #11967
Start → 5K
24:06 | 7:45/mi
10K· 6.21 mi
48:11
Rank: #12302 (-335)
5K → 10K
24:05 | 7:45/mi
15K· 9.32 mi
1:15:13
Rank: #14895 (-2593)
10K → 15K
27:02 | 8:42/mi
20K· 12.43 mi
1:39:13
Rank: #13962 (+933)
15K → 20K
24:00 | 7:43/mi
Half· 13.11 mi
1:44:28
Rank: #13850 (+112)
20K → Half
5:15 | 7:42/mi
25K· 15.53 mi
2:03:19
Rank: #13359 (+491)
Half → 25K
18:51 | 7:46/mi
30K· 18.64 mi
2:27:52
Rank: #12750 (+609)
25K → 30K
24:33 | 7:54/mi
20M
2:38:31
Rank: #12422 (+328)
30K → 20M
10:39 | 7:50/mi
21M
2:46:34
Rank: #12108 (+314)
20M → 21M
8:03 | 8:03/mi
35K· 21.75 mi
2:52:12
Rank: #11977 (+131)
21M → 35K
5:38 | 7:32/mi
23M
3:01:47
Rank: #11669 (+308)
35K → 23M
9:35 | 7:39/mi
24M
3:09:11
Rank: #11428 (+241)
23M → 24M
7:24 | 7:24/mi
40K· 24.85 mi
3:15:26
Rank: #11142 (+286)
24M → 40K
6:15 | 7:19/mi
25.2M
3:18:08
Rank: #11028 (+114)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
3:25:24
Rank: #10781 (+247)
25.2M → Finish
7:16 | 7:08/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:44:28
Pace7:58 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:56
Pace7:42 /mi
📊Negative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0324:067:4524:06
7:45
-
10K
6.21 mi11:17:0848:117:4524:05
7:45
0:00
15K
9.32 mi11:44:101:15:138:0427:02
8:42
+0:57
20K
12.43 mi12:08:101:39:137:5924:00
7:43
-0:59
Half
13.11 mi12:13:251:44:287:585:15
7:42
-0:01
25K
15.53 mi12:32:162:03:197:5618:51
7:46
+0:04
30K
18.64 mi12:56:492:27:527:5624:33
7:54
+0:08
20M
20.00 mi13:07:282:38:317:5610:39
7:50
-0:04
21M
21.00 mi13:15:312:46:347:568:03
8:03
+0:13
35K
21.75 mi13:21:092:52:127:555:38
7:32
-0:31
23M
23.00 mi13:30:443:01:477:549:35
7:39
+0:07
24M
24.00 mi13:38:083:09:117:537:24
7:24
-0:15
40K
24.85 mi13:44:233:15:267:526:15
7:19
-0:05
25.2M
25.20 mi13:47:053:18:087:522:42
7:50
+0:31
Finish
26.22 mi13:54:213:25:247:507:16
7:08
-0:42

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

7:08 /mi

Average Pace

7:50 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

26:33

13% of race

Time at Steady Pace

2:23:46

70% of race

Time at Slower Pace

35:05

17% of race

Average Pace: 7:50 /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 mi10:53:0324:067:4524:06
7:45
#11967
10K
6.21 mi11:17:0848:117:4524:05
7:45
#12302
15K
9.32 mi11:44:101:15:138:0427:02
8:42
#14895
20K
12.43 mi12:08:101:39:137:5924:00
7:43
#13962
Half
13.11 mi12:13:251:44:287:585:15
7:42
#13850
25K
15.53 mi12:32:162:03:197:5618:51
7:46
#13359
30K
18.64 mi12:56:492:27:527:5624:33
7:54
#12750
20M
20.00 mi13:07:282:38:317:5610:39
7:50
#12422
21M
21.00 mi13:15:312:46:347:568:03
8:03
#12108
35K
21.75 mi13:21:092:52:127:555:38
7:32
#11977
23M
23.00 mi13:30:443:01:477:549:35
7:39
#11669
24M
24.00 mi13:38:083:09:117:537:24
7:24
#11428
40K
24.85 mi13:44:233:15:267:526:15
7:19
#11142
25.2M
25.20 mi13:47:053:18:087:522:42
7:50
#11028
Finish
26.22 mi13:54:213:25:247:507:16
7:08
#10781
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi119679099909918971(Top 71%)11865(Top 78%)11865(Top 834%)
10K6.21 mi3.10 mi12302-3359246-1479246-14712675(Top 48%)9409(Top 62%)9409(Top 662%)
15K9.32 mi3.11 mi14895-259310278-103210278-103218971(Top 71%)11865(Top 78%)11865(Top 834%)
20K12.43 mi3.11 mi13962+9339881+3979881+39711100(Top 42%)8625(Top 57%)8625(Top 607%)
Half13.11 mi0.68 mi13850+1129836+459836+4511773(Top 44%)8958(Top 59%)8958(Top 630%)
25K15.53 mi2.42 mi13359+4919621+2159621+21510882(Top 41%)8442(Top 56%)8442(Top 594%)
30K18.64 mi3.11 mi12750+6099331+2909331+29010153(Top 38%)7908(Top 52%)7908(Top 556%)
20M20.00 mi1.36 mi12422+3289181+1509181+1509145(Top 34%)7283(Top 48%)7283(Top 512%)
21M21.00 mi1.00 mi12108+3149021+1609021+1607677(Top 29%)6303(Top 42%)6303(Top 443%)
35K21.75 mi0.75 mi11977+1318952+698952+698733(Top 33%)6950(Top 46%)6950(Top 489%)
23M23.00 mi1.25 mi11669+3088793+1598793+1597464(Top 28%)6105(Top 40%)6105(Top 429%)
24M24.00 mi1.00 mi11428+2418662+1318662+1317067(Top 27%)5763(Top 38%)5763(Top 405%)
40K24.85 mi0.85 mi11142+2868505+1578505+1575531(Top 21%)4718(Top 31%)4718(Top 332%)
25.2M25.20 mi0.35 mi11028+1148432+738432+735579(Top 21%)4678(Top 31%)4678(Top 329%)
Finish26.22 mi1.02 mi10781+2478278+1548278+1546004(Top 23%)4943(Top 33%)4943(Top 348%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18971

Males

11865

M55-59

11865

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12675

Males

9409

M55-59

9409

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18971

Males

11865

M55-59

11865

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11100

Males

8625

M55-59

8625

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11773

Males

8958

M55-59

8958

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10882

Males

8442

M55-59

8442

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10153

Males

7908

M55-59

7908

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9145

Males

7283

M55-59

7283

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7677

Males

6303

M55-59

6303

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8733

Males

6950

M55-59

6950

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7464

Males

6105

M55-59

6105

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7067

Males

5763

M55-59

5763

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5531

Males

4718

M55-59

4718

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5579

Males

4678

M55-59

4678

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6004

Males

4943

M55-59

4943

Passing Analysis

Category:
Athletes Passed
4326
Passed By
3140
Net Change
+1186
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11967
5K → 10K172507-335#11967#12302
10K → 15K42597-2593#12302#14895
15K → 20K9363+933#14895#13962
20K → Half1164+112#13962#13850
Half → 25K4943+491#13850#13359
25K → 30K62011+609#13359#12750
30K → 20M3335+328#12750#12422
20M → 21M3173+314#12422#12108
21M → 35K1332+131#12108#11977
35K → 23M3102+308#11977#11669
23M → 24M2421+241#11669#11428
24M → 40K2860+286#11428#11142
40K → 25.2M1140+114#11142#11028
25.2M → Finish2492+247#11028#10781
TOTALS43263140+1186
📊

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