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BOSTON MARATHON 2024

Shuk Han Lau

Bib: 17486•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 45%
Gender (Female)
#0 / 10924
Top 32%
Masters (Masters Women)
#0 / 6263
Top 20%
Division (F45-49)
#0 / 1753
Top 24%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:39
Rank: #11659
Start → 5K
23:39 | 7:37/mi
10K· 6.21 mi
47:03
Rank: #11086 (+573)
5K → 10K
23:24 | 7:32/mi
15K· 9.32 mi
1:10:13
Rank: #10459 (+627)
10K → 15K
23:10 | 7:27/mi
20K· 12.43 mi
1:33:37
Rank: #9888 (+571)
15K → 20K
23:24 | 7:32/mi
Half· 13.11 mi
1:38:45
Rank: #9843 (+45)
20K → Half
5:08 | 7:31/mi
25K· 15.53 mi
1:57:13
Rank: #9401 (+442)
Half → 25K
18:28 | 7:37/mi
30K· 18.64 mi
2:21:57
Rank: #8970 (+431)
25K → 30K
24:44 | 7:58/mi
20M
2:33:10
Rank: #8828 (+142)
30K → 20M
11:13 | 8:15/mi
21M
2:41:52
Rank: #8629 (+199)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:47:52
Rank: #8552 (+77)
21M → 35K
6:00 | 8:01/mi
23M
3:04:48
Rank: #10328 (-1776)
35K → 23M
16:56 | 13:31/mi
24M
3:18:35
Rank: #11755 (-1427)
23M → 24M
13:47 | 13:47/mi
40K· 24.85 mi
3:25:52
Rank: #11544 (+211)
24M → 40K
7:17 | 8:31/mi
25.2M
3:29:19
Rank: #11515 (+29)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:38:21
Rank: #11579 (-64)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:45
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:59:36
Pace9:07 /mi
📊Positive Split: 21.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2223:397:3723:39
7:37
-
10K
6.21 mi11:37:4647:037:3423:24
7:32
-0:05
15K
9.32 mi12:00:561:10:137:3223:10
7:27
-0:05
20K
12.43 mi12:24:201:33:377:3223:24
7:32
+0:05
Half
13.11 mi12:29:281:38:457:325:08
7:31
-0:01
25K
15.53 mi12:47:561:57:137:3318:28
7:37
+0:06
30K
18.64 mi13:12:402:21:577:3724:44
7:58
+0:21
20M
20.00 mi13:23:532:33:107:3911:13
8:15
+0:17
21M
21.00 mi13:32:352:41:527:428:42
8:42
+0:27
35K
21.75 mi13:38:352:47:527:436:00
8:01
-0:41
23M
23.00 mi13:55:313:04:488:0216:56
13:31
+5:30
24M
24.00 mi14:09:183:18:358:1613:47
13:47
+0:16
40K
24.85 mi14:16:353:25:528:177:17
8:31
-5:16
25.2M
25.20 mi14:20:023:29:198:183:27
10:00
+1:29
Finish
26.22 mi14:29:043:38:218:209:02
8:52
-1:08

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

7:27 /mi

Average Pace

8:20 /mi

Slowest Pace

13:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:04:11

84% of race

Time at Slower Pace

34:10

16% of race

Average Pace: 8:20 /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 mi11:14:2223:397:3723:39
7:37
#11659
10K
6.21 mi11:37:4647:037:3423:24
7:32
#11086
15K
9.32 mi12:00:561:10:137:3223:10
7:27
#10459
20K
12.43 mi12:24:201:33:377:3223:24
7:32
#9888
Half
13.11 mi12:29:281:38:457:325:08
7:31
#9843
25K
15.53 mi12:47:561:57:137:3318:28
7:37
#9401
30K
18.64 mi13:12:402:21:577:3724:44
7:58
#8970
20M
20.00 mi13:23:532:33:107:3911:13
8:15
#8828
21M
21.00 mi13:32:352:41:527:428:42
8:42
#8629
35K
21.75 mi13:38:352:47:527:436:00
8:01
#8552
23M
23.00 mi13:55:313:04:488:0216:56
13:31
#10328
24M
24.00 mi14:09:183:18:358:1613:47
13:47
#11755
40K
24.85 mi14:16:353:25:528:177:17
8:31
#11544
25.2M
25.20 mi14:20:023:29:198:183:27
10:00
#11515
Finish
26.22 mi14:29:043:38:218:209:02
8:52
#11579
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi11659293729379337(Top 37%)1854(Top 17%)1854(Top 106%)
10K6.21 mi3.10 mi11086+5732661+2762661+27610546(Top 41%)2385(Top 22%)2385(Top 136%)
15K9.32 mi3.11 mi10459+6272327+3342327+3349337(Top 37%)1854(Top 17%)1854(Top 106%)
20K12.43 mi3.11 mi9888+5712088+2392088+2398614(Top 34%)1637(Top 15%)1637(Top 93%)
Half13.11 mi0.68 mi9843+452077+112077+119390(Top 37%)2022(Top 19%)2022(Top 115%)
25K15.53 mi2.42 mi9401+4421898+1791898+1797757(Top 30%)1466(Top 13%)1466(Top 84%)
30K18.64 mi3.11 mi8970+4311800+981800+987655(Top 30%)1630(Top 15%)1630(Top 93%)
20M20.00 mi1.36 mi8828+1421793+71793+78155(Top 32%)2064(Top 19%)2064(Top 118%)
21M21.00 mi1.00 mi8629+1991760+331760+337186(Top 28%)1813(Top 17%)1813(Top 103%)
35K21.75 mi0.75 mi8552+771763-31763-37981(Top 31%)2231(Top 20%)2231(Top 127%)
23M23.00 mi1.25 mi10328-17762695-9322695-93223258(Top 91%)9951(Top 91%)9951(Top 568%)
24M24.00 mi1.00 mi11755-14273487-7923487-79223967(Top 94%)10335(Top 95%)10335(Top 590%)
40K24.85 mi0.85 mi11544+2113417+703417+708479(Top 33%)2812(Top 26%)2812(Top 160%)
25.2M25.20 mi0.35 mi11515+293419-23419-210981(Top 43%)4079(Top 37%)4079(Top 233%)
Finish26.22 mi1.02 mi11579-643510-913510-9113529(Top 53%)5234(Top 48%)5234(Top 299%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9337

Females

1854

F45-49

1854

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10546

Females

2385

F45-49

2385

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9337

Females

1854

F45-49

1854

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8614

Females

1637

F45-49

1637

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9390

Females

2022

F45-49

2022

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

7757

Females

1466

F45-49

1466

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7655

Females

1630

F45-49

1630

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8155

Females

2064

F45-49

2064

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7186

Females

1813

F45-49

1813

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

7981

Females

2231

F45-49

2231

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

23258

Females

9951

F45-49

9951

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

23967

Females

10335

F45-49

10335

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8479

Females

2812

F45-49

2812

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

10981

Females

4079

F45-49

4079

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

13529

Females

5234

F45-49

5234

Passing Analysis

Category:
Athletes Passed
3818*
Passed By
3736
Net Change
+80
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11659
5K → 10K64370+573#11659#11086
10K → 15K63710+627#11086#10459
15K → 20K582*11+571#10459#9888
20K → Half6621+45#9888#9843
Half → 25K46826+442#9843#9401
25K → 30K51180+431#9401#8970
30K → 20M19250+142#8970#8828
20M → 21M22829+199#8828#8629
21M → 35K11235+77#8629#8552
35K → 23M101784-1776#8552#10328
23M → 24M101437-1427#10328#11755
24M → 40K22211+211#11755#11544
40K → 25.2M5627+29#11544#11515
25.2M → Finish81145-64#11515#11579
TOTALS3818*3736+80

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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