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BOSTON MARATHON 2023

Benjamin Macdonald

Bib: 258•M

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 0.8%
Gender (Male)
#0 / 15176
Top 1%
Division (M18-39)
#0 / 5285
Top 3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:27
Rank: #57
Start → 5K
16:27 | 5:18/mi
10K· 6.21 mi
33:01
Rank: #61 (-4)
5K → 10K
16:34 | 5:20/mi
15K· 9.32 mi
49:50
Rank: #61
10K → 15K
16:49 | 5:25/mi
20K· 12.43 mi
1:06:57
Rank: #68 (-7)
15K → 20K
17:07 | 5:31/mi
Half· 13.11 mi
1:10:42
Rank: #71 (-3)
20K → Half
3:45 | 5:30/mi
25K· 15.53 mi
1:24:03
Rank: #69 (+2)
Half → 25K
13:21 | 5:30/mi
30K· 18.64 mi
1:42:07
Rank: #87 (-18)
25K → 30K
18:04 | 5:49/mi
20M
1:50:24
Rank: #97 (-10)
30K → 20M
8:17 | 6:06/mi
21M
1:57:10
Rank: #112 (-15)
20M → 21M
6:46 | 6:46/mi
35K· 21.75 mi
2:02:04
Rank: #119 (-7)
21M → 35K
4:54 | 6:33/mi
23M
2:10:39
Rank: #144 (-25)
35K → 23M
8:35 | 6:51/mi
24M
2:17:21
Rank: #161 (-17)
23M → 24M
6:42 | 6:42/mi
40K· 24.85 mi
2:23:13
Rank: #191 (-30)
24M → 40K
5:52 | 6:52/mi
25.2M
2:25:41
Rank: #198 (-7)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:32:27
Rank: #223 (-25)
25.2M → Finish
6:46 | 6:38/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:10:42
Pace5:24 /mi
2nd Half
Distance13.11 mi
Time1:21:45
Pace6:14 /mi
📊Positive Split: 15.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:2916:275:1816:27
5:18
-
10K
6.21 mi10:33:0333:015:1916:34
5:20
+0:02
15K
9.32 mi10:49:5249:505:2116:49
5:25
+0:05
20K
12.43 mi11:06:591:06:575:2317:07
5:31
+0:06
Half
13.11 mi11:10:441:10:425:243:45
5:30
-0:01
25K
15.53 mi11:24:051:24:035:2513:21
5:30
0:00
30K
18.64 mi11:42:091:42:075:2918:04
5:49
+0:19
20M
20.00 mi11:50:261:50:245:318:17
6:06
+0:17
21M
21.00 mi11:57:121:57:105:356:46
6:46
+0:40
35K
21.75 mi12:02:062:02:045:374:54
6:33
-0:13
23M
23.00 mi12:10:412:10:395:418:35
6:51
+0:18
24M
24.00 mi12:17:232:17:215:436:42
6:42
-0:09
40K
24.85 mi12:23:152:23:135:465:52
6:52
+0:10
25.2M
25.20 mi12:25:432:25:415:472:28
7:09
+0:17
Finish
26.22 mi12:32:292:32:275:496:46
6:38
-0:31

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

5:18 /mi

Average Pace

5:49 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:24:03

55% of race

Time at Steady Pace

26:21

17% of race

Time at Slower Pace

42:03

28% of race

Average Pace: 5:49 /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 mi10:16:2916:275:1816:27
5:18
#57
10K
6.21 mi10:33:0333:015:1916:34
5:20
#61
15K
9.32 mi10:49:5249:505:2116:49
5:25
#61
20K
12.43 mi11:06:591:06:575:2317:07
5:31
#68
Half
13.11 mi11:10:441:10:425:243:45
5:30
#71
25K
15.53 mi11:24:051:24:035:2513:21
5:30
#69
30K
18.64 mi11:42:091:42:075:2918:04
5:49
#87
20M
20.00 mi11:50:261:50:245:318:17
6:06
#97
21M
21.00 mi11:57:121:57:105:356:46
6:46
#112
35K
21.75 mi12:02:062:02:045:374:54
6:33
#119
23M
23.00 mi12:10:412:10:395:418:35
6:51
#144
24M
24.00 mi12:17:232:17:215:436:42
6:42
#161
40K
24.85 mi12:23:152:23:135:465:52
6:52
#191
25.2M
25.20 mi12:25:432:25:415:472:28
7:09
#198
Finish
26.22 mi12:32:292:32:275:496:46
6:38
#223
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi57575792(Top 0.3%)73(Top 0.5%)73(Top 1%)
10K6.21 mi3.10 mi61-461-461-461(Top 0.2%)61(Top 0.4%)61(Top 1%)
15K9.32 mi3.11 mi61616192(Top 0.3%)73(Top 0.5%)73(Top 1%)
20K12.43 mi3.11 mi68-768-768-796(Top 0.4%)79(Top 0.5%)79(Top 1%)
Half13.11 mi0.68 mi71-371-371-3129(Top 0.5%)111(Top 0.7%)111(Top 2%)
25K15.53 mi2.42 mi69+269+269+285(Top 0.3%)68(Top 0.4%)68(Top 1%)
30K18.64 mi3.11 mi87-1876-776-7168(Top 0.6%)145(Top 1.0%)145(Top 3%)
20M20.00 mi1.36 mi97-1081-581-5467(Top 2%)433(Top 3%)433(Top 8%)
21M21.00 mi1.00 mi112-1594-1394-131284(Top 5%)1225(Top 8%)1225(Top 23%)
35K21.75 mi0.75 mi119-7101-7101-72641(Top 10%)2484(Top 16%)2484(Top 47%)
23M23.00 mi1.25 mi144-25124-23124-232937(Top 11%)2738(Top 18%)2738(Top 52%)
24M24.00 mi1.00 mi161-17139-15139-153068(Top 12%)2843(Top 19%)2843(Top 54%)
40K24.85 mi0.85 mi191-30167-28167-283071(Top 12%)2815(Top 19%)2815(Top 53%)
25.2M25.20 mi0.35 mi198-7174-7174-72216(Top 8%)2049(Top 14%)2049(Top 39%)
Finish26.22 mi1.02 mi223-25198-24198-243156(Top 12%)2833(Top 19%)2833(Top 54%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.3%
×21stories
+97ft-345ft

Overall

92

Males

73

M18-39

73

5K→10K

3.1 - 6.2 mi

Top 0.2%
×5stories
+79ft-138ft

Overall

61

Males

61

M18-39

61

10K→15K

6.2 - 9.3 mi

Top 0.3%
×3stories
+67ft-78ft

Overall

92

Males

73

M18-39

73

15K→20K

9.3 - 12.4 mi

Top 0.4%
×5stories
+106ft-86ft

Overall

96

Males

79

M18-39

79

20K→Half

12.4 - 13.1 mi

Top 0.5%
×2stories
+19ft-37ft

Overall

129

Males

111

M18-39

111

Half→25K

13.1 - 15.5 mi

Top 0.3%
×4stories
+66ft-88ft

Overall

85

Males

68

M18-39

68

25K→30K

15.5 - 18.6 mi

Top 0.6%
×9stories
+181ft-148ft

Overall

168

Males

145

M18-39

145

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

467

Males

433

M18-39

433

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1284

Males

1225

M18-39

1225

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2641

Males

2484

M18-39

2484

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2937

Males

2738

M18-39

2738

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3068

Males

2843

M18-39

2843

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3071

Males

2815

M18-39

2815

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2216

Males

2049

M18-39

2049

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3156

Males

2833

M18-39

2833

Passing Analysis

Category:
Athletes Passed
14
Passed By
180
Net Change
-166
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#57
5K → 10K37-4#57#61
10K → 15K110#61#61
15K → 20K18-7#61#68
20K → Half03-3#68#71
Half → 25K20+2#71#69
25K → 30K119-18#69#87
30K → 20M111-10#87#97
20M → 21M116-15#97#112
21M → 35K07-7#112#119
35K → 23M025-25#119#144
23M → 24M320-17#144#161
24M → 40K131-30#161#191
40K → 25.2M07-7#191#198
25.2M → Finish025-25#198#223
TOTALS14180-166
📊

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