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BOSTON MARATHON 2024

David Leibowitz

Bib: 4772•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 45%
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Top 46%
Division (M50-54)
#0 / 1935
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:38
Rank: #2210
Start → 5K
19:38 | 6:19/mi
10K· 6.21 mi
39:18
Rank: #2120 (+90)
5K → 10K
19:40 | 6:20/mi
15K· 9.32 mi
59:20
Rank: #2218 (-98)
10K → 15K
20:02 | 6:27/mi
20K· 12.43 mi
1:19:54
Rank: #2312 (-94)
15K → 20K
20:34 | 6:37/mi
Half· 13.11 mi
1:24:22
Rank: #2338 (-26)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:40:45
Rank: #2391 (-53)
Half → 25K
16:23 | 6:45/mi
30K· 18.64 mi
2:02:43
Rank: #2424 (-33)
25K → 30K
21:58 | 7:04/mi
20M
2:13:17
Rank: #2629 (-205)
30K → 20M
10:34 | 7:47/mi
21M
2:28:18
Rank: #4668 (-2039)
20M → 21M
15:01 | 15:01/mi
35K· 21.75 mi
2:46:29
Rank: #8134 (-3466)
21M → 35K
18:11 | 24:18/mi
23M
3:06:38
Rank: #10899 (-2765)
35K → 23M
20:09 | 16:06/mi
24M
3:16:30
Rank: #11146 (-247)
23M → 24M
9:52 | 9:52/mi
40K· 24.85 mi
3:25:02
Rank: #11328 (-182)
24M → 40K
8:32 | 9:59/mi
25.2M
3:28:57
Rank: #11415 (-87)
40K → 25.2M
3:55 | 11:21/mi
Finish· 26.22 mi
3:37:36
Rank: #11388 (+27)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:22
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time2:13:14
Pace10:10 /mi
📊Positive Split: 57.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:2219:386:1919:38
6:19
-
10K
6.21 mi10:42:0239:186:1919:40
6:20
+0:01
15K
9.32 mi11:02:0459:206:2220:02
6:27
+0:07
20K
12.43 mi11:22:381:19:546:2620:34
6:37
+0:10
Half
13.11 mi11:27:061:24:226:264:28
6:33
-0:04
25K
15.53 mi11:43:291:40:456:2916:23
6:45
+0:12
30K
18.64 mi12:05:272:02:436:3521:58
7:04
+0:19
20M
20.00 mi12:16:012:13:176:4010:34
7:47
+0:43
21M
21.00 mi12:31:022:28:187:0415:01
15:01
+7:14
35K
21.75 mi12:49:132:46:297:3918:11
24:18
+9:17
23M
23.00 mi13:09:223:06:388:0720:09
16:06
-8:12
24M
24.00 mi13:19:143:16:308:119:52
9:52
-6:14
40K
24.85 mi13:27:463:25:028:158:32
9:59
+0:07
25.2M
25.20 mi13:31:413:28:578:183:55
11:21
+1:22
Finish
26.22 mi13:40:203:37:368:188:39
8:29
-2:52

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

6:19 /mi

Average Pace

8:18 /mi

Slowest Pace

24:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:40:20

74% of race

Time at Slower Pace

57:16

26% of race

Average Pace: 8:18 /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 mi10:22:2219:386:1919:38
6:19
#2210
10K
6.21 mi10:42:0239:186:1919:40
6:20
#2120
15K
9.32 mi11:02:0459:206:2220:02
6:27
#2218
20K
12.43 mi11:22:381:19:546:2620:34
6:37
#2312
Half
13.11 mi11:27:061:24:226:264:28
6:33
#2338
25K
15.53 mi11:43:291:40:456:2916:23
6:45
#2391
30K
18.64 mi12:05:272:02:436:3521:58
7:04
#2424
20M
20.00 mi12:16:012:13:176:4010:34
7:47
#2629
21M
21.00 mi12:31:022:28:187:0415:01
15:01
#4668
35K
21.75 mi12:49:132:46:297:3918:11
24:18
#8134
23M
23.00 mi13:09:223:06:388:0720:09
16:06
#10899
24M
24.00 mi13:19:143:16:308:119:52
9:52
#11146
40K
24.85 mi13:27:463:25:028:158:32
9:59
#11328
25.2M
25.20 mi13:31:413:28:578:183:55
11:21
#11415
Finish
26.22 mi13:40:203:37:368:188:39
8:29
#11388
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2210213521352458(Top 10%)2363(Top 16%)2363(Top 122%)
10K6.21 mi3.10 mi2120+902050+852050+852081(Top 8%)2009(Top 14%)2009(Top 104%)
15K9.32 mi3.11 mi2218-982143-932143-932458(Top 10%)2363(Top 16%)2363(Top 122%)
20K12.43 mi3.11 mi2312-942225-822225-822747(Top 11%)2623(Top 18%)2623(Top 136%)
Half13.11 mi0.68 mi2338-262249-242249-242920(Top 11%)2776(Top 19%)2776(Top 143%)
25K15.53 mi2.42 mi2391-532294-452294-452957(Top 12%)2788(Top 19%)2788(Top 144%)
30K18.64 mi3.11 mi2424-332314-202314-203203(Top 13%)2955(Top 20%)2955(Top 153%)
20M20.00 mi1.36 mi2629-2052499-1852499-1855621(Top 22%)4619(Top 32%)4619(Top 239%)
21M21.00 mi1.00 mi4668-20394260-17614260-176123581(Top 92%)13458(Top 92%)13458(Top 696%)
35K21.75 mi0.75 mi8134-34666535-22756535-227525513(Top 100%)14553(Top 100%)14553(Top 752%)
23M23.00 mi1.25 mi10899-27657892-13577892-135725109(Top 98%)14285(Top 98%)14285(Top 738%)
24M24.00 mi1.00 mi11146-2477959-677959-6715892(Top 62%)9458(Top 65%)9458(Top 489%)
40K24.85 mi0.85 mi11328-1828000-418000-4114959(Top 59%)8923(Top 61%)8923(Top 461%)
25.2M25.20 mi0.35 mi11415-878013-138013-1315715(Top 62%)9270(Top 64%)9270(Top 479%)
Finish26.22 mi1.02 mi11388+277954+597954+5911496(Top 45%)7235(Top 50%)7235(Top 374%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2458

Males

2363

M50-54

2363

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2081

Males

2009

M50-54

2009

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2458

Males

2363

M50-54

2363

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2747

Males

2623

M50-54

2623

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2920

Males

2776

M50-54

2776

Half→25K

13.1 - 15.5 mi

Top 12%
×4stories
+66ft-88ft

Overall

2957

Males

2788

M50-54

2788

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3203

Males

2955

M50-54

2955

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5621

Males

4619

M50-54

4619

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

23581

Males

13458

M50-54

13458

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

25513

Males

14553

M50-54

14553

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

25109

Males

14285

M50-54

14285

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

15892

Males

9458

M50-54

9458

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

14959

Males

8923

M50-54

8923

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

15715

Males

9270

M50-54

9270

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11496

Males

7235

M50-54

7235

Passing Analysis

Category:
Athletes Passed
738
Passed By
9914
Net Change
-9178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2210
5K → 10K15868+90#2210#2120
10K → 15K51149-98#2120#2218
15K → 20K69163-94#2218#2312
20K → Half632-26#2312#2338
Half → 25K70123-53#2338#2391
25K → 30K125158-33#2391#2424
30K → 20M25230-205#2424#2629
20M → 21M12040-2039#2629#4668
21M → 35K03466-3466#4668#8134
35K → 23M52768-2765#8134#10899
23M → 24M47294-247#10899#11146
24M → 40K52234-182#11146#11328
40K → 25.2M28115-87#11328#11415
25.2M → Finish10174+27#11415#11388
TOTALS7389914-9178
📊

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