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BOSTON MARATHON 2024

Mei Chen

Bib: 19783•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:24
Rank: #17765
Start → 5K
26:24 | 8:30/mi
10K· 6.21 mi
52:25
Rank: #17139 (+626)
5K → 10K
26:01 | 8:22/mi
15K· 9.32 mi
1:18:54
Rank: #16885 (+254)
10K → 15K
26:29 | 8:31/mi
20K· 12.43 mi
1:46:15
Rank: #16713 (+172)
15K → 20K
27:21 | 8:48/mi
Half· 13.11 mi
1:52:29
Rank: #16839 (-126)
20K → Half
6:14 | 9:08/mi
25K· 15.53 mi
2:15:06
Rank: #16812 (+27)
Half → 25K
22:37 | 9:20/mi
30K· 18.64 mi
2:47:20
Rank: #17259 (-447)
25K → 30K
32:14 | 10:22/mi
20M
3:01:38
Rank: #17367 (-108)
30K → 20M
14:18 | 10:31/mi
21M
3:13:40
Rank: #17541 (-174)
20M → 21M
12:02 | 12:02/mi
35K· 21.75 mi
3:21:49
Rank: #17653 (-112)
21M → 35K
8:09 | 10:54/mi
23M
3:35:12
Rank: #17633 (+20)
35K → 23M
13:23 | 10:41/mi
24M
3:46:31
Rank: #17758 (-125)
23M → 24M
11:19 | 11:19/mi
40K· 24.85 mi
3:56:10
Rank: #17807 (-49)
24M → 40K
9:39 | 11:17/mi
25.2M
4:00:17
Rank: #17791 (+16)
40K → 25.2M
4:07 | 11:56/mi
Finish· 26.22 mi
4:10:55
Rank: #17834 (-43)
25.2M → Finish
10:38 | 10:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:29
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:18:26
Pace10:34 /mi
📊Positive Split: 23.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:5526:248:3026:24
8:30
-
10K
6.21 mi11:44:5652:258:2626:01
8:22
-0:08
15K
9.32 mi12:11:251:18:548:2826:29
8:31
+0:09
20K
12.43 mi12:38:461:46:158:3327:21
8:48
+0:17
Half
13.11 mi12:45:001:52:298:356:14
9:08
+0:20
25K
15.53 mi13:07:372:15:068:4222:37
9:20
+0:12
30K
18.64 mi13:39:512:47:208:5932:14
10:22
+1:02
20M
20.00 mi13:54:093:01:389:0514:18
10:31
+0:09
21M
21.00 mi14:06:113:13:409:1312:02
12:02
+1:31
35K
21.75 mi14:14:203:21:499:178:09
10:54
-1:08
23M
23.00 mi14:27:433:35:129:2113:23
10:41
-0:13
24M
24.00 mi14:39:023:46:319:2611:19
11:19
+0:38
40K
24.85 mi14:48:413:56:109:309:39
11:17
-0:02
25.2M
25.20 mi14:52:484:00:179:324:07
11:56
+0:39
Finish
26.22 mi15:03:264:10:559:3510:38
10:26
-1:30

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

8:22 /mi

Average Pace

9:35 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:06

54% of race

Time at Steady Pace

1:18:42

31% of race

Time at Slower Pace

37:07

15% of race

Average Pace: 9:34 /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 mi11:18:5526:248:3026:24
8:30
#17765
10K
6.21 mi11:44:5652:258:2626:01
8:22
#17139
15K
9.32 mi12:11:251:18:548:2826:29
8:31
#16885
20K
12.43 mi12:38:461:46:158:3327:21
8:48
#16713
Half
13.11 mi12:45:001:52:298:356:14
9:08
#16839
25K
15.53 mi13:07:372:15:068:4222:37
9:20
#16812
30K
18.64 mi13:39:512:47:208:5932:14
10:22
#17259
20M
20.00 mi13:54:093:01:389:0514:18
10:31
#17367
21M
21.00 mi14:06:113:13:409:1312:02
12:02
#17541
35K
21.75 mi14:14:203:21:499:178:09
10:54
#17653
23M
23.00 mi14:27:433:35:129:2113:23
10:41
#17633
24M
24.00 mi14:39:023:46:319:2611:19
11:19
#17758
40K
24.85 mi14:48:413:56:109:309:39
11:17
#17807
25.2M
25.20 mi14:52:484:00:179:324:07
11:56
#17791
Finish
26.22 mi15:03:264:10:559:3510:38
10:26
#17834
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi177656620662016554(Top 65%)5891(Top 54%)5891(Top 496%)
10K6.21 mi3.10 mi17139+6266235+3856235+38516568(Top 65%)5868(Top 54%)5868(Top 494%)
15K9.32 mi3.11 mi16885+2546077+1586077+15816554(Top 65%)5891(Top 54%)5891(Top 496%)
20K12.43 mi3.11 mi16713+1725999+785999+7816408(Top 64%)5831(Top 53%)5831(Top 491%)
Half13.11 mi0.68 mi16839-1266076-776076-7718858(Top 74%)7248(Top 66%)7248(Top 611%)
25K15.53 mi2.42 mi16812+276086-106086-1016914(Top 66%)6227(Top 57%)6227(Top 525%)
30K18.64 mi3.11 mi17259-4476405-3196405-31918458(Top 72%)7283(Top 67%)7283(Top 614%)
20M20.00 mi1.36 mi17367-1086497-926497-9218058(Top 71%)7234(Top 66%)7234(Top 609%)
21M21.00 mi1.00 mi17541-1746622-1256622-12518893(Top 74%)7768(Top 71%)7768(Top 654%)
35K21.75 mi0.75 mi17653-1126712-906712-9019570(Top 77%)8110(Top 74%)8110(Top 683%)
23M23.00 mi1.25 mi17633+206729-176729-1717552(Top 69%)7189(Top 66%)7189(Top 606%)
24M24.00 mi1.00 mi17758-1256825-966825-9620023(Top 78%)8449(Top 77%)8449(Top 712%)
40K24.85 mi0.85 mi17807-496876-516876-5118821(Top 74%)7924(Top 73%)7924(Top 668%)
25.2M25.20 mi0.35 mi17791+166880-46880-417238(Top 67%)7168(Top 66%)7168(Top 604%)
Finish26.22 mi1.02 mi17834-436929-496929-4919822(Top 78%)8384(Top 77%)8384(Top 706%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

16554

Females

5891

F50-54

5891

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

16568

Females

5868

F50-54

5868

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

16554

Females

5891

F50-54

5891

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

16408

Females

5831

F50-54

5831

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

18858

Females

7248

F50-54

7248

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

16914

Females

6227

F50-54

6227

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

18458

Females

7283

F50-54

7283

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18058

Females

7234

F50-54

7234

20M→21M

20.0 - 21.0 mi

Top 74%
×8stories
+106ft-24ft

Overall

18893

Females

7768

F50-54

7768

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

19570

Females

8110

F50-54

8110

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

17552

Females

7189

F50-54

7189

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20023

Females

8449

F50-54

8449

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

18821

Females

7924

F50-54

7924

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17238

Females

7168

F50-54

7168

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

19822

Females

8384

F50-54

8384

Passing Analysis

Category:
Athletes Passed
2251
Passed By
2320
Net Change
-69
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17765
5K → 10K70579+626#17765#17139
10K → 15K362108+254#17139#16885
15K → 20K342170+172#16885#16713
20K → Half16142-126#16713#16839
Half → 25K232205+27#16839#16812
25K → 30K133580-447#16812#17259
30K → 20M69177-108#17259#17367
20M → 21M56230-174#17367#17541
21M → 35K46158-112#17541#17653
35K → 23M122102+20#17653#17633
23M → 24M30155-125#17633#17758
24M → 40K4796-49#17758#17807
40K → 25.2M3822+16#17807#17791
25.2M → Finish5396-43#17791#17834
TOTALS22512320-69
📊

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