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BOSTON MARATHON 2024

Haipeng Li

Bib: 11675•M

WA

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

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
26:25
Rank: #17781
Start → 5K
26:25 | 8:30/mi
10K· 6.21 mi
52:27
Rank: #17159 (+622)
5K → 10K
26:02 | 8:23/mi
15K· 9.32 mi
1:19:32
Rank: #17295 (-136)
10K → 15K
27:05 | 8:43/mi
20K· 12.43 mi
1:48:48
Rank: #17793 (-498)
15K → 20K
29:16 | 9:25/mi
Half· 13.11 mi
1:55:22
Rank: #17992 (-199)
20K → Half
6:34 | 9:37/mi
25K· 15.53 mi
2:19:12
Rank: #18119 (-127)
Half → 25K
23:50 | 9:50/mi
30K· 18.64 mi
2:54:22
Rank: #18852 (-733)
25K → 30K
35:10 | 11:19/mi
20M
3:13:15
Rank: #19527 (-675)
30K → 20M
18:53 | 13:54/mi
21M
3:26:57
Rank: #19684 (-157)
20M → 21M
13:42 | 13:42/mi
35K· 21.75 mi
3:36:31
Rank: #19870 (-186)
21M → 35K
9:34 | 12:47/mi
23M
3:51:12
Rank: #19876 (-6)
35K → 23M
14:41 | 11:44/mi
24M
4:02:14
Rank: #19836 (+40)
23M → 24M
11:02 | 11:02/mi
40K· 24.85 mi
4:11:07
Rank: #19699 (+137)
24M → 40K
8:53 | 10:23/mi
25.2M
4:14:59
Rank: #19621 (+78)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
4:22:56
Rank: #19315 (+306)
25.2M → Finish
7:57 | 7:48/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:22
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:27:34
Pace11:15 /mi
📊Positive Split: 27.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5526:258:3026:25
8:30
-
10K
6.21 mi11:44:5752:278:2626:02
8:23
-0:07
15K
9.32 mi12:12:021:19:328:3227:05
8:43
+0:20
20K
12.43 mi12:41:181:48:488:4529:16
9:25
+0:42
Half
13.11 mi12:47:521:55:228:486:34
9:37
+0:12
25K
15.53 mi13:11:422:19:128:5823:50
9:50
+0:13
30K
18.64 mi13:46:522:54:229:2135:10
11:19
+1:29
20M
20.00 mi14:05:453:13:159:4018:53
13:54
+2:35
21M
21.00 mi14:19:273:26:579:5113:42
13:42
-0:12
35K
21.75 mi14:29:013:36:319:579:34
12:47
-0:55
23M
23.00 mi14:43:423:51:1210:0314:41
11:44
-1:03
24M
24.00 mi14:54:444:02:1410:0611:02
11:02
-0:42
40K
24.85 mi15:03:374:11:0710:068:53
10:23
-0:39
25.2M
25.20 mi15:07:294:14:5910:073:52
11:13
+0:50
Finish
26.22 mi15:15:264:22:5610:027:57
7:48
-3:25

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

7:48 /mi

Average Pace

10:02 /mi

Slowest Pace

13:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:56:45

44% of race

Time at Steady Pace

54:11

21% of race

Time at Slower Pace

1:32:00

35% of race

Average Pace: 10:02 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:18:5526:258:3026:25
8:30
#17781
10K
6.21 mi11:44:5752:278:2626:02
8:23
#17159
15K
9.32 mi12:12:021:19:328:3227:05
8:43
#17295
20K
12.43 mi12:41:181:48:488:4529:16
9:25
#17793
Half
13.11 mi12:47:521:55:228:486:34
9:37
#17992
25K
15.53 mi13:11:422:19:128:5823:50
9:50
#18119
30K
18.64 mi13:46:522:54:229:2135:10
11:19
#18852
20M
20.00 mi14:05:453:13:159:4018:53
13:54
#19527
21M
21.00 mi14:19:273:26:579:5113:42
13:42
#19684
35K
21.75 mi14:29:013:36:319:579:34
12:47
#19870
23M
23.00 mi14:43:423:51:1210:0314:41
11:44
#19876
24M
24.00 mi14:54:444:02:1410:0611:02
11:02
#19836
40K
24.85 mi15:03:374:11:0710:068:53
10:23
#19699
25.2M
25.20 mi15:07:294:14:5910:073:52
11:13
#19621
Finish
26.22 mi15:15:264:22:5610:027:57
7:48
#19315
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17781111171111717569(Top 69%)11064(Top 76%)11064(Top 572%)
10K6.21 mi3.10 mi17159+62210879+23810879+23816578(Top 65%)10666(Top 73%)10666(Top 551%)
15K9.32 mi3.11 mi17295-13610936-5710936-5717569(Top 69%)11064(Top 76%)11064(Top 572%)
20K12.43 mi3.11 mi17793-49811127-19111127-19118930(Top 74%)11653(Top 80%)11653(Top 602%)
Half13.11 mi0.68 mi17992-19911214-8711214-8720421(Top 80%)12266(Top 84%)12266(Top 634%)
25K15.53 mi2.42 mi18119-12711247-3311247-3318637(Top 73%)11416(Top 78%)11416(Top 590%)
30K18.64 mi3.11 mi18852-73311520-27311520-27320663(Top 81%)12164(Top 83%)12164(Top 629%)
20M20.00 mi1.36 mi19527-67511807-28711807-28723866(Top 93%)13653(Top 94%)13653(Top 706%)
21M21.00 mi1.00 mi19684-15711860-5311860-5321902(Top 86%)12620(Top 87%)12620(Top 652%)
35K21.75 mi0.75 mi19870-18611929-6911929-6922980(Top 90%)13118(Top 90%)13118(Top 678%)
23M23.00 mi1.25 mi19876-611911+1811911+1820159(Top 79%)11643(Top 80%)11643(Top 602%)
24M24.00 mi1.00 mi19836+4011878+3311878+3319303(Top 76%)11157(Top 77%)11157(Top 577%)
40K24.85 mi0.85 mi19699+13711794+8411794+8416352(Top 64%)9648(Top 66%)9648(Top 499%)
25.2M25.20 mi0.35 mi19621+7811743+5111743+5115170(Top 59%)9034(Top 62%)9034(Top 467%)
Finish26.22 mi1.02 mi19315+30611592+15111592+1517360(Top 29%)5072(Top 35%)5072(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

17569

Males

11064

M50-54

11064

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

16578

Males

10666

M50-54

10666

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

17569

Males

11064

M50-54

11064

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

18930

Males

11653

M50-54

11653

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

20421

Males

12266

M50-54

12266

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

18637

Males

11416

M50-54

11416

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

20663

Males

12164

M50-54

12164

30K→20M

18.6 - 20.0 mi

Top 93%
×5stories
+64ft-50ft

Overall

23866

Males

13653

M50-54

13653

20M→21M

20.0 - 21.0 mi

Top 86%
×8stories
+106ft-24ft

Overall

21902

Males

12620

M50-54

12620

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

22980

Males

13118

M50-54

13118

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20159

Males

11643

M50-54

11643

23M→24M

23.0 - 24.0 mi

Top 76%
×6stories
+12ft-82ft

Overall

19303

Males

11157

M50-54

11157

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16352

Males

9648

M50-54

9648

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15170

Males

9034

M50-54

9034

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7360

Males

5072

M50-54

5072

Passing Analysis

Category:
Athletes Passed
2050
Passed By
3584
Net Change
-1534
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17781
5K → 10K70280+622#17781#17159
10K → 15K202338-136#17159#17295
15K → 20K128626-498#17295#17793
20K → Half8207-199#17793#17992
Half → 25K165292-127#17992#18119
25K → 30K73806-733#18119#18852
30K → 20M12687-675#18852#19527
20M → 21M34191-157#19527#19684
21M → 35K25211-186#19684#19870
35K → 23M8793-6#19870#19876
23M → 24M8444+40#19876#19836
24M → 40K1458+137#19836#19699
40K → 25.2M791+78#19699#19621
25.2M → Finish3060+306#19621#19315
TOTALS20503584-1534
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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