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BOSTON MARATHON 2023

Michael Williamson

Bib: 1197•M

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 2%
Division (M18-39)
#0 / 5285
Top 6%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:37
Rank: #673
Start → 5K
18:37 | 6:00/mi
10K· 6.21 mi
36:42
Rank: #565 (+108)
5K → 10K
18:05 | 5:49/mi
15K· 9.32 mi
54:59
Rank: #538 (+27)
10K → 15K
18:17 | 5:53/mi
20K· 12.43 mi
1:13:26
Rank: #516 (+22)
15K → 20K
18:27 | 5:56/mi
Half· 13.11 mi
1:17:24
Rank: #505 (+11)
20K → Half
3:58 | 5:49/mi
25K· 15.53 mi
1:31:33
Rank: #473 (+32)
Half → 25K
14:09 | 5:50/mi
30K· 18.64 mi
1:49:54
Rank: #413 (+60)
25K → 30K
18:21 | 5:54/mi
20M
1:57:53
Rank: #391 (+22)
30K → 20M
7:59 | 5:52/mi
21M
2:04:22
Rank: #404 (-13)
20M → 21M
6:29 | 6:29/mi
35K· 21.75 mi
2:08:38
Rank: #391 (+13)
21M → 35K
4:16 | 5:42/mi
23M
2:16:14
Rank: #385 (+6)
35K → 23M
7:36 | 6:04/mi
24M
2:22:13
Rank: #382 (+3)
23M → 24M
5:59 | 5:59/mi
40K· 24.85 mi
2:27:38
Rank: #384 (-2)
24M → 40K
5:25 | 6:20/mi
25.2M
2:29:59
Rank: #388 (-4)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:36:25
Rank: #403 (-15)
25.2M → Finish
6:26 | 6:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:24
Pace5:54 /mi
2nd Half
Distance13.11 mi
Time1:19:01
Pace6:02 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5918:376:0018:37
6:00
-
10K
6.21 mi10:37:0436:425:5418:05
5:49
-0:11
15K
9.32 mi10:55:2154:595:5418:17
5:53
+0:04
20K
12.43 mi11:13:481:13:265:5518:27
5:56
+0:03
Half
13.11 mi11:17:461:17:245:543:58
5:49
-0:07
25K
15.53 mi11:31:551:31:335:5414:09
5:50
+0:01
30K
18.64 mi11:50:161:49:545:5418:21
5:54
+0:04
20M
20.00 mi11:58:151:57:535:547:59
5:52
-0:02
21M
21.00 mi12:04:442:04:225:556:29
6:29
+0:37
35K
21.75 mi12:09:002:08:385:554:16
5:42
-0:47
23M
23.00 mi12:16:362:16:145:557:36
6:04
+0:22
24M
24.00 mi12:22:352:22:135:565:59
5:59
-0:05
40K
24.85 mi12:28:002:27:385:565:25
6:20
+0:21
25.2M
25.20 mi12:30:212:29:595:572:21
6:49
+0:29
Finish
26.22 mi12:36:472:36:255:586:26
6:19
-0:30

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

5:42 /mi

Average Pace

5:58 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:44

87% of race

Time at Steady Pace

18:20

12% of race

Time at Slower Pace

2:21

2% of race

Average Pace: 5:58 /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 mi10:18:5918:376:0018:37
6:00
#673
10K
6.21 mi10:37:0436:425:5418:05
5:49
#565
15K
9.32 mi10:55:2154:595:5418:17
5:53
#538
20K
12.43 mi11:13:481:13:265:5518:27
5:56
#516
Half
13.11 mi11:17:461:17:245:543:58
5:49
#505
25K
15.53 mi11:31:551:31:335:5414:09
5:50
#473
30K
18.64 mi11:50:161:49:545:5418:21
5:54
#413
20M
20.00 mi11:58:151:57:535:547:59
5:52
#391
21M
21.00 mi12:04:442:04:225:556:29
6:29
#404
35K
21.75 mi12:09:002:08:385:554:16
5:42
#391
23M
23.00 mi12:16:362:16:145:557:36
6:04
#385
24M
24.00 mi12:22:352:22:135:565:59
5:59
#382
40K
24.85 mi12:28:002:27:385:565:25
6:20
#384
25.2M
25.20 mi12:30:212:29:595:572:21
6:49
#388
Finish
26.22 mi12:36:472:36:255:586:26
6:19
#403
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi673629629479(Top 2%)443(Top 3%)443(Top 8%)
10K6.21 mi3.10 mi565+108523+106523+106455(Top 2%)420(Top 3%)420(Top 8%)
15K9.32 mi3.11 mi538+27496+27496+27479(Top 2%)443(Top 3%)443(Top 8%)
20K12.43 mi3.11 mi516+22477+19477+19480(Top 2%)441(Top 3%)441(Top 8%)
Half13.11 mi0.68 mi505+11466+11466+11410(Top 2%)379(Top 2%)379(Top 7%)
25K15.53 mi2.42 mi473+32434+32434+32326(Top 1%)298(Top 2%)298(Top 6%)
30K18.64 mi3.11 mi413+60380+54380+54264(Top 1.0%)240(Top 2%)240(Top 5%)
20M20.00 mi1.36 mi391+22359+21359+21231(Top 0.9%)209(Top 1%)209(Top 4%)
21M21.00 mi1.00 mi404-13372-13372-13613(Top 2%)577(Top 4%)577(Top 11%)
35K21.75 mi0.75 mi391+13359+13359+13239(Top 0.9%)216(Top 1%)216(Top 4%)
23M23.00 mi1.25 mi385+6352+7352+7399(Top 1%)371(Top 2%)371(Top 7%)
24M24.00 mi1.00 mi382+3350+2350+2504(Top 2%)475(Top 3%)475(Top 9%)
40K24.85 mi0.85 mi384-2352-2352-2971(Top 4%)918(Top 6%)918(Top 17%)
25.2M25.20 mi0.35 mi388-4356-4356-41139(Top 4%)1078(Top 7%)1078(Top 20%)
Finish26.22 mi1.02 mi403-15368-12368-121656(Top 6%)1556(Top 10%)1556(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

479

Males

443

M18-39

443

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

455

Males

420

M18-39

420

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

479

Males

443

M18-39

443

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

480

Males

441

M18-39

441

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

410

Males

379

M18-39

379

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

326

Males

298

M18-39

298

25K→30K

15.5 - 18.6 mi

Top 1.0%
×9stories
+181ft-148ft

Overall

264

Males

240

M18-39

240

30K→20M

18.6 - 20.0 mi

Top 0.9%
×5stories
+64ft-50ft

Overall

231

Males

209

M18-39

209

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

613

Males

577

M18-39

577

21M→35K

21.0 - 21.8 mi

Top 0.9%
×7stories
+17ft-86ft

Overall

239

Males

216

M18-39

216

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

399

Males

371

M18-39

371

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

504

Males

475

M18-39

475

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

971

Males

918

M18-39

918

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1139

Males

1078

M18-39

1078

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1656

Males

1556

M18-39

1556

Passing Analysis

Category:
Athletes Passed
353
Passed By
83
Net Change
+270
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#673
5K → 10K1124+108#673#565
10K → 15K325+27#565#538
15K → 20K297+22#538#516
20K → Half110+11#516#505
Half → 25K320+32#505#473
25K → 30K611+60#473#413
30K → 20M242+22#413#391
20M → 21M316-13#391#404
21M → 35K130+13#404#391
35K → 23M115+6#391#385
23M → 24M85+3#385#382
24M → 40K1012-2#382#384
40K → 25.2M37-4#384#388
25.2M → Finish419-15#388#403
TOTALS35383+270
📊

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