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BOSTON MARATHON 2024

David Williamson

Bib: 8711•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 12%
Gender (Male)
#0 / 14578
Top 20%
Masters (Masters Men)
#0 / 9729
Top 10%
Division (M50-54)
#0 / 1935
Top 6%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #4993
Start → 5K
20:53 | 6:43/mi
10K· 6.21 mi
41:55
Rank: #4940 (+53)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:02:51
Rank: #4655 (+285)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:01
Rank: #4426 (+229)
15K → 20K
21:10 | 6:49/mi
Half· 13.11 mi
1:28:36
Rank: #4386 (+40)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:06
Rank: #4102 (+284)
Half → 25K
16:30 | 6:48/mi
30K· 18.64 mi
2:06:56
Rank: #3762 (+340)
25K → 30K
21:50 | 7:02/mi
20M
2:16:44
Rank: #3659 (+103)
30K → 20M
9:48 | 7:13/mi
21M
2:24:20
Rank: #3546 (+113)
20M → 21M
7:36 | 7:36/mi
35K· 21.75 mi
2:29:31
Rank: #3484 (+62)
21M → 35K
5:11 | 6:56/mi
23M
2:38:35
Rank: #3370 (+114)
35K → 23M
9:04 | 7:14/mi
24M
2:45:43
Rank: #3313 (+57)
23M → 24M
7:08 | 7:08/mi
40K· 24.85 mi
2:51:58
Rank: #3266 (+47)
24M → 40K
6:15 | 7:19/mi
25.2M
2:54:45
Rank: #3245 (+21)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:01:57
Rank: #3175 (+70)
25.2M → Finish
7:12 | 7:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:36
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:33:21
Pace7:07 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0820:536:4320:53
6:43
-
10K
6.21 mi11:07:1041:556:4521:02
6:46
+0:03
15K
9.32 mi11:28:061:02:516:4520:56
6:44
-0:02
20K
12.43 mi11:49:161:24:016:4621:10
6:49
+0:05
Half
13.11 mi11:53:511:28:366:464:35
6:43
-0:06
25K
15.53 mi12:10:211:45:066:4616:30
6:48
+0:05
30K
18.64 mi12:32:112:06:566:4921:50
7:02
+0:14
20M
20.00 mi12:41:592:16:446:509:48
7:13
+0:11
21M
21.00 mi12:49:352:24:206:527:36
7:36
+0:23
35K
21.75 mi12:54:462:29:316:525:11
6:56
-0:40
23M
23.00 mi13:03:502:38:356:549:04
7:14
+0:18
24M
24.00 mi13:10:582:45:436:547:08
7:08
-0:06
40K
24.85 mi13:17:132:51:586:556:15
7:19
+0:11
25.2M
25.20 mi13:20:002:54:456:562:47
8:04
+0:45
Finish
26.22 mi13:27:123:01:576:577:12
7:04
-1:00

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

6:43 /mi

Average Pace

6:57 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:06

58% of race

Time at Steady Pace

41:21

23% of race

Time at Slower Pace

35:30

20% of race

Average Pace: 6:56 /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 mi10:46:0820:536:4320:53
6:43
#4993
10K
6.21 mi11:07:1041:556:4521:02
6:46
#4940
15K
9.32 mi11:28:061:02:516:4520:56
6:44
#4655
20K
12.43 mi11:49:161:24:016:4621:10
6:49
#4426
Half
13.11 mi11:53:511:28:366:464:35
6:43
#4386
25K
15.53 mi12:10:211:45:066:4616:30
6:48
#4102
30K
18.64 mi12:32:112:06:566:4921:50
7:02
#3762
20M
20.00 mi12:41:592:16:446:509:48
7:13
#3659
21M
21.00 mi12:49:352:24:206:527:36
7:36
#3546
35K
21.75 mi12:54:462:29:316:525:11
6:56
#3484
23M
23.00 mi13:03:502:38:356:549:04
7:14
#3370
24M
24.00 mi13:10:582:45:436:547:08
7:08
#3313
40K
24.85 mi13:17:132:51:586:556:15
7:19
#3266
25.2M
25.20 mi13:20:002:54:456:562:47
8:04
#3245
Finish
26.22 mi13:27:123:01:576:577:12
7:04
#3175
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi4993462546254194(Top 16%)3930(Top 27%)3930(Top 203%)
10K6.21 mi3.10 mi4940+534584+414584+414890(Top 19%)4533(Top 31%)4533(Top 234%)
15K9.32 mi3.11 mi4655+2854334+2504334+2504194(Top 16%)3930(Top 27%)3930(Top 203%)
20K12.43 mi3.11 mi4426+2294123+2114123+2113938(Top 15%)3686(Top 25%)3686(Top 190%)
Half13.11 mi0.68 mi4386+404086+374086+373865(Top 15%)3613(Top 25%)3613(Top 187%)
25K15.53 mi2.42 mi4102+2843846+2403846+2403217(Top 13%)3018(Top 21%)3018(Top 156%)
30K18.64 mi3.11 mi3762+3403530+3163530+3162997(Top 12%)2789(Top 19%)2789(Top 144%)
20M20.00 mi1.36 mi3659+1033426+1043426+1043189(Top 12%)2900(Top 20%)2900(Top 150%)
21M21.00 mi1.00 mi3546+1133313+1133313+1132811(Top 11%)2544(Top 17%)2544(Top 131%)
35K21.75 mi0.75 mi3484+623253+603253+602783(Top 11%)2523(Top 17%)2523(Top 130%)
23M23.00 mi1.25 mi3370+1143140+1133140+1132706(Top 11%)2422(Top 17%)2422(Top 125%)
24M24.00 mi1.00 mi3313+573085+553085+552770(Top 11%)2442(Top 17%)2442(Top 126%)
40K24.85 mi0.85 mi3266+473035+503035+502835(Top 11%)2459(Top 17%)2459(Top 127%)
25.2M25.20 mi0.35 mi3245+213013+223013+222949(Top 12%)2486(Top 17%)2486(Top 128%)
Finish26.22 mi1.02 mi3175+702936+772936+773412(Top 13%)2801(Top 19%)2801(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4194

Males

3930

M50-54

3930

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

4890

Males

4533

M50-54

4533

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4194

Males

3930

M50-54

3930

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3938

Males

3686

M50-54

3686

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3865

Males

3613

M50-54

3613

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3217

Males

3018

M50-54

3018

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

2997

Males

2789

M50-54

2789

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3189

Males

2900

M50-54

2900

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2811

Males

2544

M50-54

2544

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2783

Males

2523

M50-54

2523

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2706

Males

2422

M50-54

2422

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2770

Males

2442

M50-54

2442

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

2835

Males

2459

M50-54

2459

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

2949

Males

2486

M50-54

2486

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3412

Males

2801

M50-54

2801

Passing Analysis

Category:
Athletes Passed
2325
Passed By
507
Net Change
+1818
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4993
5K → 10K211158+53#4993#4940
10K → 15K31732+285#4940#4655
15K → 20K27849+229#4655#4426
20K → Half488+40#4426#4386
Half → 25K30016+284#4386#4102
25K → 30K37535+340#4102#3762
30K → 20M15047+103#3762#3659
20M → 21M14128+113#3659#3546
21M → 35K7715+62#3546#3484
35K → 23M14329+114#3484#3370
23M → 24M8932+57#3370#3313
24M → 40K7427+47#3313#3266
40K → 25.2M309+21#3266#3245
25.2M → Finish9222+70#3245#3175
TOTALS2325507+1818
📊

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