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BOSTON MARATHON 2023

Michael Macdonald

Bib: 470•M

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Division (M18-39)
#0 / 5285
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:24
Rank: #566
Start → 5K
18:24 | 5:55/mi
10K· 6.21 mi
36:24
Rank: #478 (+88)
5K → 10K
18:00 | 5:48/mi
15K· 9.32 mi
54:35
Rank: #454 (+24)
10K → 15K
18:11 | 5:51/mi
20K· 12.43 mi
1:12:45
Rank: #423 (+31)
15K → 20K
18:11 | 5:51/mi
Half· 13.11 mi
1:16:41
Rank: #415 (+8)
20K → Half
3:56 | 5:46/mi
25K· 15.53 mi
1:31:00
Rank: #415
Half → 25K
14:19 | 5:54/mi
30K· 18.64 mi
1:49:51
Rank: #409 (+6)
25K → 30K
18:51 | 6:04/mi
20M
1:58:07
Rank: #414 (-5)
30K → 20M
8:16 | 6:05/mi
21M
2:04:43
Rank: #430 (-16)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:09:18
Rank: #437 (-7)
21M → 35K
4:35 | 6:07/mi
23M
2:16:58
Rank: #434 (+3)
35K → 23M
7:40 | 6:07/mi
24M
2:23:08
Rank: #439 (-5)
23M → 24M
6:10 | 6:10/mi
40K· 24.85 mi
2:28:44
Rank: #451 (-12)
24M → 40K
5:36 | 6:33/mi
25.2M
2:31:10
Rank: #455 (-4)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:37:42
Rank: #469 (-14)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:41
Pace5:51 /mi
2nd Half
Distance13.11 mi
Time1:21:01
Pace6:11 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3718:245:5518:24
5:55
-
10K
6.21 mi10:36:3736:245:5118:00
5:48
-0:07
15K
9.32 mi10:54:4854:355:5118:11
5:51
+0:03
20K
12.43 mi11:12:581:12:455:5118:11
5:51
0:00
Half
13.11 mi11:16:541:16:415:513:56
5:46
-0:05
25K
15.53 mi11:31:131:31:005:5114:19
5:54
+0:08
30K
18.64 mi11:50:041:49:515:5418:51
6:04
+0:10
20M
20.00 mi11:58:201:58:075:548:16
6:05
+0:01
21M
21.00 mi12:04:562:04:435:566:36
6:36
+0:31
35K
21.75 mi12:09:312:09:185:574:35
6:07
-0:29
23M
23.00 mi12:17:112:16:585:577:40
6:07
0:00
24M
24.00 mi12:23:212:23:085:586:10
6:10
+0:03
40K
24.85 mi12:28:572:28:445:595:36
6:33
+0:23
25.2M
25.20 mi12:31:232:31:106:002:26
7:03
+0:30
Finish
26.22 mi12:37:552:37:426:016:32
6:25
-0:38

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

5:46 /mi

Average Pace

6:01 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:12:36

46% of race

Time at Steady Pace

1:03:56

41% of race

Time at Slower Pace

21:10

13% of race

Average Pace: 6:01 /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 mi10:18:3718:245:5518:24
5:55
#566
10K
6.21 mi10:36:3736:245:5118:00
5:48
#478
15K
9.32 mi10:54:4854:355:5118:11
5:51
#454
20K
12.43 mi11:12:581:12:455:5118:11
5:51
#423
Half
13.11 mi11:16:541:16:415:513:56
5:46
#415
25K
15.53 mi11:31:131:31:005:5114:19
5:54
#415
30K
18.64 mi11:50:041:49:515:5418:51
6:04
#409
20M
20.00 mi11:58:201:58:075:548:16
6:05
#414
21M
21.00 mi12:04:562:04:435:566:36
6:36
#430
35K
21.75 mi12:09:312:09:185:574:35
6:07
#437
23M
23.00 mi12:17:112:16:585:577:40
6:07
#434
24M
24.00 mi12:23:212:23:085:586:10
6:10
#439
40K
24.85 mi12:28:572:28:445:595:36
6:33
#451
25.2M
25.20 mi12:31:232:31:106:002:26
7:03
#455
Finish
26.22 mi12:37:552:37:426:016:32
6:25
#469
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi566523523428(Top 2%)394(Top 3%)394(Top 7%)
10K6.21 mi3.10 mi478+88442+81442+81417(Top 2%)382(Top 3%)382(Top 7%)
15K9.32 mi3.11 mi454+24419+23419+23428(Top 2%)394(Top 3%)394(Top 7%)
20K12.43 mi3.11 mi423+31388+31388+31353(Top 1%)320(Top 2%)320(Top 6%)
Half13.11 mi0.68 mi415+8380+8380+8361(Top 1%)332(Top 2%)332(Top 6%)
25K15.53 mi2.42 mi415380380396(Top 1%)367(Top 2%)367(Top 7%)
30K18.64 mi3.11 mi409+6377+3377+3464(Top 2%)432(Top 3%)432(Top 8%)
20M20.00 mi1.36 mi414-5382-5382-5455(Top 2%)421(Top 3%)421(Top 8%)
21M21.00 mi1.00 mi430-16395-13395-13851(Top 3%)805(Top 5%)805(Top 15%)
35K21.75 mi0.75 mi437-7402-7402-7980(Top 4%)930(Top 6%)930(Top 18%)
23M23.00 mi1.25 mi434+3399+3399+3504(Top 2%)473(Top 3%)473(Top 9%)
24M24.00 mi1.00 mi439-5403-4403-4903(Top 3%)854(Top 6%)854(Top 16%)
40K24.85 mi0.85 mi451-12415-12415-121698(Top 6%)1596(Top 11%)1596(Top 30%)
25.2M25.20 mi0.35 mi455-4420-5420-51851(Top 7%)1734(Top 11%)1734(Top 33%)
Finish26.22 mi1.02 mi469-14434-14434-142036(Top 8%)1891(Top 12%)1891(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

428

Males

394

M18-39

394

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

417

Males

382

M18-39

382

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

428

Males

394

M18-39

394

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

353

Males

320

M18-39

320

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

361

Males

332

M18-39

332

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

396

Males

367

M18-39

367

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

464

Males

432

M18-39

432

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

455

Males

421

M18-39

421

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

851

Males

805

M18-39

805

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

980

Males

930

M18-39

930

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

504

Males

473

M18-39

473

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

903

Males

854

M18-39

854

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1698

Males

1596

M18-39

1596

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1851

Males

1734

M18-39

1734

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2036

Males

1891

M18-39

1891

Passing Analysis

Category:
Athletes Passed
236
Passed By
139
Net Change
+97
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#566
5K → 10K957+88#566#478
10K → 15K3511+24#478#454
15K → 20K310+31#454#423
20K → Half91+8#423#415
Half → 25K660#415#415
25K → 30K2014+6#415#409
30K → 20M712-5#409#414
20M → 21M420-16#414#430
21M → 35K310-7#430#437
35K → 23M85+3#437#434
23M → 24M49-5#434#439
24M → 40K416-12#439#451
40K → 25.2M59-4#451#455
25.2M → Finish519-14#455#469
TOTALS236139+97
📊

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