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BOSTON MARATHON 2024

Kazunori Shibao

Bib: 18243•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M55-59)
#0 / 1529
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:37
Rank: #21826
Start → 5K
29:37 | 9:32/mi
10K· 6.21 mi
1:01:11
Rank: #22427 (-601)
5K → 10K
31:34 | 10:10/mi
15K· 9.32 mi
1:32:48
Rank: #22391 (+36)
10K → 15K
31:37 | 10:11/mi
20K· 12.43 mi
2:07:31
Rank: #22549 (-158)
15K → 20K
34:43 | 11:10/mi
Half· 13.11 mi
2:14:28
Rank: #22526 (+23)
20K → Half
6:57 | 10:11/mi
25K· 15.53 mi
2:41:20
Rank: #22386 (+140)
Half → 25K
26:52 | 11:05/mi
30K· 18.64 mi
3:20:20
Rank: #22472 (-86)
25K → 30K
39:00 | 12:33/mi
20M
3:41:38
Rank: #22878 (-406)
30K → 20M
21:18 | 15:40/mi
21M
3:56:42
Rank: #22959 (-81)
20M → 21M
15:04 | 15:04/mi
35K· 21.75 mi
4:06:35
Rank: #22992 (-33)
21M → 35K
9:53 | 13:13/mi
23M
4:27:23
Rank: #23259 (-267)
35K → 23M
20:48 | 16:37/mi
24M
4:42:32
Rank: #23391 (-132)
23M → 24M
15:09 | 15:09/mi
40K· 24.85 mi
4:56:04
Rank: #23526 (-135)
24M → 40K
13:32 | 15:50/mi
25.2M
5:04:10
Rank: #23688 (-162)
40K → 25.2M
8:06 | 23:29/mi
Finish· 26.22 mi
5:19:42
Rank: #23826 (-138)
25.2M → Finish
15:32 | 15:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:28
Pace10:15 /mi
2nd Half
Distance13.11 mi
Time3:05:14
Pace14:08 /mi
📊Positive Split: 37.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:1629:379:3229:37
9:32
-
10K
6.21 mi11:58:501:01:119:5131:34
10:10
+0:38
15K
9.32 mi12:30:271:32:489:5731:37
10:11
+0:01
20K
12.43 mi13:05:102:07:3110:1634:43
11:10
+0:59
Half
13.11 mi13:12:072:14:2810:156:57
10:11
-0:59
25K
15.53 mi13:38:592:41:2010:2326:52
11:05
+0:54
30K
18.64 mi14:17:593:20:2010:4539:00
12:33
+1:28
20M
20.00 mi14:39:173:41:3811:0521:18
15:40
+3:07
21M
21.00 mi14:54:213:56:4211:1615:04
15:04
-0:36
35K
21.75 mi15:04:144:06:3511:209:53
13:13
-1:51
23M
23.00 mi15:25:024:27:2311:3820:48
16:37
+3:24
24M
24.00 mi15:40:114:42:3211:4615:09
15:09
-1:28
40K
24.85 mi15:53:434:56:0411:5513:32
15:50
+0:41
25.2M
25.20 mi16:01:495:04:1012:048:06
23:29
+7:39
Finish
26.22 mi16:17:215:19:4212:1215:32
15:15
-8:14

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

9:32 /mi

Average Pace

12:12 /mi

Slowest Pace

23:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:20

50% of race

Time at Steady Pace

48:53

15% of race

Time at Slower Pace

1:49:29

34% of race

Average Pace: 12:12 /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 mi11:27:1629:379:3229:37
9:32
#21826
10K
6.21 mi11:58:501:01:119:5131:34
10:10
#22427
15K
9.32 mi12:30:271:32:489:5731:37
10:11
#22391
20K
12.43 mi13:05:102:07:3110:1634:43
11:10
#22549
Half
13.11 mi13:12:072:14:2810:156:57
10:11
#22526
25K
15.53 mi13:38:592:41:2010:2326:52
11:05
#22386
30K
18.64 mi14:17:593:20:2010:4539:00
12:33
#22472
20M
20.00 mi14:39:173:41:3811:0521:18
15:40
#22878
21M
21.00 mi14:54:213:56:4211:1615:04
15:04
#22959
35K
21.75 mi15:04:144:06:3511:209:53
13:13
#22992
23M
23.00 mi15:25:024:27:2311:3820:48
16:37
#23259
24M
24.00 mi15:40:114:42:3211:4615:09
15:09
#23391
40K
24.85 mi15:53:434:56:0411:5513:32
15:50
#23526
25.2M
25.20 mi16:01:495:04:1012:048:06
23:29
#23688
Finish
26.22 mi16:17:215:19:4212:1215:32
15:15
#23826
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21826129501295022282(Top 87%)13209(Top 91%)13209(Top 864%)
10K6.21 mi3.10 mi22427-60113263-31313263-31322896(Top 90%)13471(Top 92%)13471(Top 881%)
15K9.32 mi3.11 mi22391+3613259+413259+422282(Top 87%)13209(Top 91%)13209(Top 864%)
20K12.43 mi3.11 mi22549-15813322-6313322-6322925(Top 90%)13466(Top 92%)13466(Top 881%)
Half13.11 mi0.68 mi22526+2313304+1813304+1821960(Top 86%)12980(Top 89%)12980(Top 849%)
25K15.53 mi2.42 mi22386+14013225+7913225+7921658(Top 85%)12803(Top 88%)12803(Top 837%)
30K18.64 mi3.11 mi22472-8613217+813217+822743(Top 89%)13178(Top 90%)13178(Top 862%)
20M20.00 mi1.36 mi22878-40613376-15913376-15925085(Top 98%)14302(Top 98%)14302(Top 935%)
21M21.00 mi1.00 mi22959-8113393-1713393-1723632(Top 92%)13495(Top 93%)13495(Top 883%)
35K21.75 mi0.75 mi22992-3313399-613399-623487(Top 92%)13394(Top 92%)13394(Top 876%)
23M23.00 mi1.25 mi23259-26713528-12913528-12925237(Top 99%)14366(Top 99%)14366(Top 940%)
24M24.00 mi1.00 mi23391-13213576-4813576-4824861(Top 97%)14106(Top 97%)14106(Top 923%)
40K24.85 mi0.85 mi23526-13513632-5613632-5624916(Top 98%)14136(Top 97%)14136(Top 925%)
25.2M25.20 mi0.35 mi23688-16213713-8113713-8125503(Top 100%)14546(Top 100%)14546(Top 951%)
Finish26.22 mi1.02 mi23826-13813767-5413767-5425240(Top 99%)14340(Top 98%)14340(Top 938%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

22282

Males

13209

M55-59

13209

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

22896

Males

13471

M55-59

13471

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

22282

Males

13209

M55-59

13209

15K→20K

9.3 - 12.4 mi

Top 90%
×5stories
+106ft-86ft

Overall

22925

Males

13466

M55-59

13466

20K→Half

12.4 - 13.1 mi

Top 86%
×2stories
+19ft-37ft

Overall

21960

Males

12980

M55-59

12980

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

21658

Males

12803

M55-59

12803

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

22743

Males

13178

M55-59

13178

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

25085

Males

14302

M55-59

14302

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

23632

Males

13495

M55-59

13495

21M→35K

21.0 - 21.8 mi

Top 92%
×7stories
+17ft-86ft

Overall

23487

Males

13394

M55-59

13394

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

25237

Males

14366

M55-59

14366

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

24861

Males

14106

M55-59

14106

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

24916

Males

14136

M55-59

14136

40K→25.2M

24.9 - 25.2 mi

Top 100%
×1story
+13ft-16ft

Overall

25503

Males

14546

M55-59

14546

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

25240

Males

14340

M55-59

14340

Passing Analysis

Category:
Athletes Passed
832
Passed By
2832
Net Change
-2000
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21826
5K → 10K54655-601#21826#22427
10K → 15K186150+36#22427#22391
15K → 20K125283-158#22391#22549
20K → Half4118+23#22549#22526
Half → 25K19252+140#22526#22386
25K → 30K122208-86#22386#22472
30K → 20M13419-406#22472#22878
20M → 21M27108-81#22878#22959
21M → 35K3467-33#22959#22992
35K → 23M12279-267#22992#23259
23M → 24M13145-132#23259#23391
24M → 40K5140-135#23391#23526
40K → 25.2M1163-162#23526#23688
25.2M → Finish7145-138#23688#23826
TOTALS8322832-2000
📊

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