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BOSTON MARATHON 2023

Peter Macdonald

Bib: 4285•M

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Division (M18-39)
#0 / 5285
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #4478
Start → 5K
21:04 | 6:47/mi
10K· 6.21 mi
41:50
Rank: #4301 (+177)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:02:49
Rank: #4402 (-101)
10K → 15K
20:59 | 6:45/mi
20K· 12.43 mi
1:23:58
Rank: #4409 (-7)
15K → 20K
21:09 | 6:48/mi
Half· 13.11 mi
1:28:35
Rank: #4431 (-22)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:00
Rank: #4313 (+118)
Half → 25K
16:25 | 6:46/mi
30K· 18.64 mi
2:06:28
Rank: #4155 (+158)
25K → 30K
21:28 | 6:55/mi
20M
2:15:53
Rank: #4092 (+63)
30K → 20M
9:25 | 6:56/mi
21M
2:22:56
Rank: #3926 (+166)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:28:01
Rank: #3927 (-1)
21M → 35K
5:05 | 6:48/mi
23M
2:36:35
Rank: #3819 (+108)
35K → 23M
8:34 | 6:51/mi
24M
2:43:20
Rank: #3779 (+40)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:49:21
Rank: #3781 (-2)
24M → 40K
6:01 | 7:02/mi
25.2M
2:51:49
Rank: #3741 (+40)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:58:48
Rank: #3781 (-40)
25.2M → Finish
6:59 | 6:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:35
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:30:13
Pace6:53 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5821:046:4721:04
6:47
-
10K
6.21 mi10:43:4441:506:4420:46
6:41
-0:06
15K
9.32 mi11:04:431:02:496:4420:59
6:45
+0:04
20K
12.43 mi11:25:521:23:586:4521:09
6:48
+0:03
Half
13.11 mi11:30:291:28:356:454:37
6:46
-0:02
25K
15.53 mi11:46:541:45:006:4616:25
6:46
0:00
30K
18.64 mi12:08:222:06:286:4721:28
6:55
+0:09
20M
20.00 mi12:17:472:15:536:489:25
6:56
+0:01
21M
21.00 mi12:24:502:22:566:487:03
7:03
+0:07
35K
21.75 mi12:29:552:28:016:485:05
6:48
-0:15
23M
23.00 mi12:38:292:36:356:488:34
6:51
+0:03
24M
24.00 mi12:45:142:43:206:486:45
6:45
-0:06
40K
24.85 mi12:51:152:49:216:496:01
7:02
+0:17
25.2M
25.20 mi12:53:432:51:496:492:28
7:09
+0:07
Finish
26.22 mi13:00:422:58:486:496:59
6:51
-0:18

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

6:41 /mi

Average Pace

6:49 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:16

91% of race

Time at Steady Pace

15:32

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:22:5821:046:4721:04
6:47
#4478
10K
6.21 mi10:43:4441:506:4420:46
6:41
#4301
15K
9.32 mi11:04:431:02:496:4420:59
6:45
#4402
20K
12.43 mi11:25:521:23:586:4521:09
6:48
#4409
Half
13.11 mi11:30:291:28:356:454:37
6:46
#4431
25K
15.53 mi11:46:541:45:006:4616:25
6:46
#4313
30K
18.64 mi12:08:222:06:286:4721:28
6:55
#4155
20M
20.00 mi12:17:472:15:536:489:25
6:56
#4092
21M
21.00 mi12:24:502:22:566:487:03
7:03
#3926
35K
21.75 mi12:29:552:28:016:485:05
6:48
#3927
23M
23.00 mi12:38:292:36:356:488:34
6:51
#3819
24M
24.00 mi12:45:142:43:206:486:45
6:45
#3779
40K
24.85 mi12:51:152:49:216:496:01
7:02
#3781
25.2M
25.20 mi12:53:432:51:496:492:28
7:09
#3741
Finish
26.22 mi13:00:422:58:486:496:59
6:51
#3781
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4478418041804639(Top 17%)4332(Top 29%)4332(Top 82%)
10K6.21 mi3.10 mi4301+1774030+1504030+1504191(Top 16%)3929(Top 26%)3929(Top 74%)
15K9.32 mi3.11 mi4402-1014119-894119-894639(Top 17%)4332(Top 29%)4332(Top 82%)
20K12.43 mi3.11 mi4409-74124-54124-54495(Top 17%)4191(Top 28%)4191(Top 79%)
Half13.11 mi0.68 mi4431-224147-234147-234902(Top 18%)4534(Top 30%)4534(Top 86%)
25K15.53 mi2.42 mi4313+1184042+1054042+1053895(Top 15%)3663(Top 24%)3663(Top 69%)
30K18.64 mi3.11 mi4155+1583906+1363906+1363720(Top 14%)3492(Top 23%)3492(Top 66%)
20M20.00 mi1.36 mi4092+633843+633843+633598(Top 14%)3357(Top 22%)3357(Top 64%)
21M21.00 mi1.00 mi3926+1663695+1483695+1482407(Top 9%)2276(Top 15%)2276(Top 43%)
35K21.75 mi0.75 mi3927-13693+23693+24138(Top 16%)3788(Top 25%)3788(Top 72%)
23M23.00 mi1.25 mi3819+1083595+983595+982914(Top 11%)2724(Top 18%)2724(Top 52%)
24M24.00 mi1.00 mi3779+403554+413554+413379(Top 13%)3116(Top 21%)3116(Top 59%)
40K24.85 mi0.85 mi3781-23553+13553+14013(Top 15%)3595(Top 24%)3595(Top 68%)
25.2M25.20 mi0.35 mi3741+403516+373516+372357(Top 9%)2190(Top 14%)2190(Top 41%)
Finish26.22 mi1.02 mi3781-403549-333549-334349(Top 16%)3807(Top 25%)3807(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4639

Males

4332

M18-39

4332

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4191

Males

3929

M18-39

3929

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4639

Males

4332

M18-39

4332

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4495

Males

4191

M18-39

4191

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4902

Males

4534

M18-39

4534

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3895

Males

3663

M18-39

3663

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3720

Males

3492

M18-39

3492

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

3598

Males

3357

M18-39

3357

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2407

Males

2276

M18-39

2276

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4138

Males

3788

M18-39

3788

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2914

Males

2724

M18-39

2724

23M→24M

23.0 - 24.0 mi

Top 13%
×6stories
+12ft-82ft

Overall

3379

Males

3116

M18-39

3116

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4013

Males

3595

M18-39

3595

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2357

Males

2190

M18-39

2190

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4349

Males

3807

M18-39

3807

Passing Analysis

Category:
Athletes Passed
1482
Passed By
785
Net Change
+697
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4478
5K → 10K305128+177#4478#4301
10K → 15K90191-101#4301#4402
15K → 20K102109-7#4402#4409
20K → Half1436-22#4409#4431
Half → 25K14729+118#4431#4313
25K → 30K20345+158#4313#4155
30K → 20M9128+63#4155#4092
20M → 21M1748+166#4092#3926
21M → 35K3334-1#3926#3927
35K → 23M11911+108#3927#3819
23M → 24M6525+40#3819#3779
24M → 40K5658-2#3779#3781
40K → 25.2M444+40#3781#3741
25.2M → Finish3979-40#3741#3781
TOTALS1482785+697
📊

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