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BOSTON MARATHON 2024

Mark Sibold

Bib: 26437•M

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:15
Rank: #21477
Start → 5K
29:15 | 9:25/mi
10K· 6.21 mi
57:06
Rank: #20607 (+870)
5K → 10K
27:51 | 8:58/mi
15K· 9.32 mi
1:26:03
Rank: #20423 (+184)
10K → 15K
28:57 | 9:19/mi
20K· 12.43 mi
1:55:45
Rank: #20157 (+266)
15K → 20K
29:42 | 9:34/mi
Half· 13.11 mi
2:02:15
Rank: #20157
20K → Half
6:30 | 9:32/mi
25K· 15.53 mi
2:29:58
Rank: #20567 (-410)
Half → 25K
27:43 | 11:26/mi
30K· 18.64 mi
3:04:20
Rank: #20488 (+79)
25K → 30K
34:22 | 11:04/mi
20M
3:21:17
Rank: #20627 (-139)
30K → 20M
16:57 | 12:28/mi
21M
3:35:38
Rank: #20809 (-182)
20M → 21M
14:21 | 14:21/mi
35K· 21.75 mi
3:45:52
Rank: #20987 (-178)
21M → 35K
10:14 | 13:41/mi
23M
4:03:04
Rank: #21195 (-208)
35K → 23M
17:12 | 13:44/mi
24M
4:16:10
Rank: #21311 (-116)
23M → 24M
13:06 | 13:06/mi
40K· 24.85 mi
4:27:09
Rank: #21332 (-21)
24M → 40K
10:59 | 12:51/mi
25.2M
4:31:56
Rank: #21335 (-3)
40K → 25.2M
4:47 | 13:52/mi
Finish· 26.22 mi
4:43:18
Rank: #21336 (-1)
25.2M → Finish
11:22 | 11:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:15
Pace9:20 /mi
2nd Half
Distance13.11 mi
Time2:41:03
Pace12:17 /mi
📊Positive Split: 31.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5929:159:2529:15
9:25
-
10K
6.21 mi12:13:5057:069:1127:51
8:58
-0:27
15K
9.32 mi12:42:471:26:039:1428:57
9:19
+0:21
20K
12.43 mi13:12:291:55:459:1929:42
9:34
+0:15
Half
13.11 mi13:18:592:02:159:206:30
9:32
-0:02
25K
15.53 mi13:46:422:29:589:3927:43
11:26
+1:54
30K
18.64 mi14:21:043:04:209:5334:22
11:04
-0:22
20M
20.00 mi14:38:013:21:1710:0416:57
12:28
+1:24
21M
21.00 mi14:52:223:35:3810:1614:21
14:21
+1:53
35K
21.75 mi15:02:363:45:5210:2310:14
13:41
-0:40
23M
23.00 mi15:19:484:03:0410:3417:12
13:44
+0:03
24M
24.00 mi15:32:544:16:1010:4013:06
13:06
-0:38
40K
24.85 mi15:43:534:27:0910:4510:59
12:51
-0:15
25.2M
25.20 mi15:48:404:31:5610:474:47
13:52
+1:01
Finish
26.22 mi16:00:024:43:1810:4911:22
11:09
-2:43

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

8:58 /mi

Average Pace

10:49 /mi

Slowest Pace

14:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:15

43% of race

Time at Steady Pace

1:13:27

26% of race

Time at Slower Pace

1:27:36

31% of race

Average Pace: 10:48 /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 mi11:45:5929:159:2529:15
9:25
#21477
10K
6.21 mi12:13:5057:069:1127:51
8:58
#20607
15K
9.32 mi12:42:471:26:039:1428:57
9:19
#20423
20K
12.43 mi13:12:291:55:459:1929:42
9:34
#20157
Half
13.11 mi13:18:592:02:159:206:30
9:32
#20157
25K
15.53 mi13:46:422:29:589:3927:43
11:26
#20567
30K
18.64 mi14:21:043:04:209:5334:22
11:04
#20488
20M
20.00 mi14:38:013:21:1710:0416:57
12:28
#20627
21M
21.00 mi14:52:223:35:3810:1614:21
14:21
#20809
35K
21.75 mi15:02:363:45:5210:2310:14
13:41
#20987
23M
23.00 mi15:19:484:03:0410:3417:12
13:44
#21195
24M
24.00 mi15:32:544:16:1010:4013:06
13:06
#21311
40K
24.85 mi15:43:534:27:0910:4510:59
12:51
#21332
25.2M
25.20 mi15:48:404:31:5610:474:47
13:52
#21335
Finish
26.22 mi16:00:024:43:1810:4911:22
11:09
#21336
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21477127781277820075(Top 79%)12206(Top 84%)12206(Top 252%)
10K6.21 mi3.10 mi20607+87012392+38612392+38619604(Top 77%)11941(Top 82%)11941(Top 246%)
15K9.32 mi3.11 mi20423+18412331+6112331+6120075(Top 79%)12206(Top 84%)12206(Top 252%)
20K12.43 mi3.11 mi20157+26612213+11812213+11819397(Top 76%)11868(Top 81%)11868(Top 245%)
Half13.11 mi0.68 mi2015712211+212211+220145(Top 79%)12150(Top 83%)12150(Top 251%)
25K15.53 mi2.42 mi20567-41012375-16412375-16422301(Top 87%)13101(Top 90%)13101(Top 270%)
30K18.64 mi3.11 mi20488+7912302+7312302+7320121(Top 79%)11901(Top 82%)11901(Top 245%)
20M20.00 mi1.36 mi20627-13912323-2112323-2122122(Top 87%)12763(Top 88%)12763(Top 263%)
21M21.00 mi1.00 mi20809-18212383-6012383-6022796(Top 89%)13054(Top 90%)13054(Top 269%)
35K21.75 mi0.75 mi20987-17812447-6412447-6424010(Top 94%)13653(Top 94%)13653(Top 282%)
23M23.00 mi1.25 mi21195-20812513-6612513-6623494(Top 92%)13385(Top 92%)13385(Top 276%)
24M24.00 mi1.00 mi21311-11612549-3612549-3623215(Top 91%)13157(Top 90%)13157(Top 271%)
40K24.85 mi0.85 mi21332-2112541+812541+822004(Top 86%)12490(Top 86%)12490(Top 258%)
25.2M25.20 mi0.35 mi21335-312532+912532+921367(Top 84%)12154(Top 83%)12154(Top 251%)
Finish26.22 mi1.02 mi21336-112520+1212520+1221722(Top 85%)12360(Top 85%)12360(Top 255%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20075

Males

12206

M18-39

12206

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

19604

Males

11941

M18-39

11941

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20075

Males

12206

M18-39

12206

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

19397

Males

11868

M18-39

11868

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

20145

Males

12150

M18-39

12150

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

22301

Males

13101

M18-39

13101

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

20121

Males

11901

M18-39

11901

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

22122

Males

12763

M18-39

12763

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

22796

Males

13054

M18-39

13054

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

24010

Males

13653

M18-39

13653

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

23494

Males

13385

M18-39

13385

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

23215

Males

13157

M18-39

13157

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22004

Males

12490

M18-39

12490

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

21367

Males

12154

M18-39

12154

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

21722

Males

12360

M18-39

12360

Passing Analysis

Category:
Athletes Passed
2100
Passed By
1959
Net Change
+141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21477
5K → 10K89121+870#21477#20607
10K → 15K298114+184#20607#20423
15K → 20K33569+266#20423#20157
20K → Half26260#20157#20157
Half → 25K58468-410#20157#20567
25K → 30K212133+79#20567#20488
30K → 20M54193-139#20488#20627
20M → 21M27209-182#20627#20809
21M → 35K21199-178#20809#20987
35K → 23M26234-208#20987#21195
23M → 24M32148-116#21195#21311
24M → 40K5172-21#21311#21332
40K → 25.2M2124-3#21332#21335
25.2M → Finish4849-1#21335#21336
TOTALS21001959+141
📊

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