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BOSTON MARATHON 2024

Wan-Ling Chou

Bib: 16639•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:05
Rank: #17208
Start → 5K
26:05 | 8:24/mi
10K· 6.21 mi
53:01
Rank: #17708 (-500)
5K → 10K
26:56 | 8:40/mi
15K· 9.32 mi
1:20:45
Rank: #18001 (-293)
10K → 15K
27:44 | 8:56/mi
20K· 12.43 mi
1:49:11
Rank: #17960 (+41)
15K → 20K
28:26 | 9:09/mi
Half· 13.11 mi
1:55:26
Rank: #18021 (-61)
20K → Half
6:15 | 9:10/mi
25K· 15.53 mi
2:18:51
Rank: #18010 (+11)
Half → 25K
23:25 | 9:39/mi
30K· 18.64 mi
2:50:07
Rank: #17946 (+64)
25K → 30K
31:16 | 10:04/mi
20M
3:04:27
Rank: #17993 (-47)
30K → 20M
14:20 | 10:33/mi
21M
3:16:24
Rank: #18071 (-78)
20M → 21M
11:57 | 11:57/mi
35K· 21.75 mi
3:24:06
Rank: #18054 (+17)
21M → 35K
7:42 | 10:18/mi
23M
3:38:03
Rank: #18078 (-24)
35K → 23M
13:57 | 11:08/mi
24M
3:48:44
Rank: #18091 (-13)
23M → 24M
10:41 | 10:41/mi
40K· 24.85 mi
3:58:10
Rank: #18086 (+5)
24M → 40K
9:26 | 11:02/mi
25.2M
4:02:11
Rank: #18050 (+36)
40K → 25.2M
4:01 | 11:39/mi
Finish· 26.22 mi
4:12:10
Rank: #17986 (+64)
25.2M → Finish
9:59 | 9:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:26
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:16:44
Pace10:26 /mi
📊Positive Split: 18.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4226:058:2426:05
8:24
-
10K
6.21 mi11:44:3853:018:3226:56
8:40
+0:16
15K
9.32 mi12:12:221:20:458:4027:44
8:56
+0:16
20K
12.43 mi12:40:481:49:118:4728:26
9:09
+0:13
Half
13.11 mi12:47:031:55:268:486:15
9:10
+0:01
25K
15.53 mi13:10:282:18:518:5623:25
9:39
+0:29
30K
18.64 mi13:41:442:50:079:0831:16
10:04
+0:25
20M
20.00 mi13:56:043:04:279:1314:20
10:33
+0:29
21M
21.00 mi14:08:013:16:249:2111:57
11:57
+1:24
35K
21.75 mi14:15:433:24:069:237:42
10:18
-1:39
23M
23.00 mi14:29:403:38:039:2913:57
11:08
+0:50
24M
24.00 mi14:40:213:48:449:3210:41
10:41
-0:27
40K
24.85 mi14:49:473:58:109:359:26
11:02
+0:21
25.2M
25.20 mi14:53:484:02:119:374:01
11:39
+0:37
Finish
26.22 mi15:03:474:12:109:379:59
9:48
-1:51

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

8:24 /mi

Average Pace

9:37 /mi

Slowest Pace

11:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:26

46% of race

Time at Steady Pace

1:26:42

34% of race

Time at Slower Pace

50:02

20% of race

Average Pace: 9:37 /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 mi11:17:4226:058:2426:05
8:24
#17208
10K
6.21 mi11:44:3853:018:3226:56
8:40
#17708
15K
9.32 mi12:12:221:20:458:4027:44
8:56
#18001
20K
12.43 mi12:40:481:49:118:4728:26
9:09
#17960
Half
13.11 mi12:47:031:55:268:486:15
9:10
#18021
25K
15.53 mi13:10:282:18:518:5623:25
9:39
#18010
30K
18.64 mi13:41:442:50:079:0831:16
10:04
#17946
20M
20.00 mi13:56:043:04:279:1314:20
10:33
#17993
21M
21.00 mi14:08:013:16:249:2111:57
11:57
#18071
35K
21.75 mi14:15:433:24:069:237:42
10:18
#18054
23M
23.00 mi14:29:403:38:039:2913:57
11:08
#18078
24M
24.00 mi14:40:213:48:449:3210:41
10:41
#18091
40K
24.85 mi14:49:473:58:109:359:26
11:02
#18086
25.2M
25.20 mi14:53:484:02:119:374:01
11:39
#18050
Finish
26.22 mi15:03:474:12:109:379:59
9:48
#17986
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi172086285628518572(Top 73%)7012(Top 64%)7012(Top 435%)
10K6.21 mi3.10 mi17708-5006565-2806565-28018200(Top 71%)6839(Top 63%)6839(Top 424%)
15K9.32 mi3.11 mi18001-2936743-1786743-17818572(Top 73%)7012(Top 64%)7012(Top 435%)
20K12.43 mi3.11 mi17960+416720+236720+2318015(Top 71%)6712(Top 61%)6712(Top 416%)
Half13.11 mi0.68 mi18021-616752-326752-3218955(Top 74%)7308(Top 67%)7308(Top 453%)
25K15.53 mi2.42 mi18010+116776-246776-2418073(Top 71%)6869(Top 63%)6869(Top 426%)
30K18.64 mi3.11 mi17946+646805-296805-2917552(Top 69%)6821(Top 62%)6821(Top 423%)
20M20.00 mi1.36 mi17993-476862-576862-5718112(Top 71%)7261(Top 66%)7261(Top 450%)
21M21.00 mi1.00 mi18071-786925-636925-6318700(Top 73%)7671(Top 70%)7671(Top 476%)
35K21.75 mi0.75 mi18054+176934-96934-918020(Top 71%)7350(Top 67%)7350(Top 456%)
23M23.00 mi1.25 mi18078-246969-356969-3518816(Top 74%)7794(Top 71%)7794(Top 483%)
24M24.00 mi1.00 mi18091-137005-367005-3618387(Top 72%)7650(Top 70%)7650(Top 474%)
40K24.85 mi0.85 mi18086+57028-237028-2318180(Top 71%)7587(Top 69%)7587(Top 470%)
25.2M25.20 mi0.35 mi18050+367023+57023+516484(Top 65%)6782(Top 62%)6782(Top 420%)
Finish26.22 mi1.02 mi17986+647014+97014+917717(Top 69%)7369(Top 67%)7369(Top 457%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

18572

Females

7012

F40-44

7012

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18200

Females

6839

F40-44

6839

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

18572

Females

7012

F40-44

7012

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18015

Females

6712

F40-44

6712

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

18955

Females

7308

F40-44

7308

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18073

Females

6869

F40-44

6869

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

17552

Females

6821

F40-44

6821

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18112

Females

7261

F40-44

7261

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

18700

Females

7671

F40-44

7671

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18020

Females

7350

F40-44

7350

35K→23M

21.8 - 23.0 mi

Top 74%
×5stories
+23ft-63ft

Overall

18816

Females

7794

F40-44

7794

23M→24M

23.0 - 24.0 mi

Top 72%
×6stories
+12ft-82ft

Overall

18387

Females

7650

F40-44

7650

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18180

Females

7587

F40-44

7587

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

16484

Females

6782

F40-44

6782

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

17717

Females

7369

F40-44

7369

Passing Analysis

Category:
Athletes Passed
1684
Passed By
2462
Net Change
-778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17208
5K → 10K130630-500#17208#17708
10K → 15K149442-293#17708#18001
15K → 20K267226+41#18001#17960
20K → Half2384-61#17960#18021
Half → 25K222211+11#18021#18010
25K → 30K278214+64#18010#17946
30K → 20M98145-47#17946#17993
20M → 21M75153-78#17993#18071
21M → 35K7255+17#18071#18054
35K → 23M96120-24#18054#18078
23M → 24M6780-13#18078#18091
24M → 40K6560+5#18091#18086
40K → 25.2M4610+36#18086#18050
25.2M → Finish9632+64#18050#17986
TOTALS16842462-778
📊

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