Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Ying Ning

Bib: 21730FAge: N/A

WA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 41%
Masters (Masters Women)
#0 / 6862
Top 26%
Age Group (F50-54)
#0 / 1233
Top 20%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
24:55
3.11 mi
Rank: #17090
Start5K
24:55 | 8:02/mi
10K
49:07
6.21 mi
Rank: #16343 (+747)
5K10K
24:12 | 7:48/mi
15K
1:13:36
9.32 mi
Rank: #16236 (+107)
10K15K
24:29 | 7:53/mi
20K
1:38:15
12.43 mi
Rank: #16059 (+177)
15K20K
24:39 | 7:57/mi
HALF
1:43:31
13.11 mi
Rank: #15997 (+62)
20KHALF
5:16 | 7:44/mi
25K
2:02:50
15.53 mi
Rank: #15836 (+161)
HALF25K
19:19 | 7:58/mi
30K
2:29:08
18.64 mi
Rank: #15991 (-155)
25K30K
26:18 | 8:28/mi
20M
2:40:10
20.00 mi
Rank: #15806 (+185)
30K20M
11:02 | 8:08/mi
21M
2:48:54
21.00 mi
Rank: #15710 (+96)
20M21M
8:44 | 8:44/mi
35K
2:54:38
21.75 mi
Rank: #15543 (+167)
21M35K
5:44 | 7:40/mi
23M
3:04:53
23.00 mi
Rank: #15425 (+118)
35K23M
10:15 | 8:12/mi
24M
3:12:50
24.00 mi
Rank: #15324 (+101)
23M24M
7:57 | 7:57/mi
40K
3:19:53
24.85 mi
Rank: #15276 (+48)
24M40K
7:03 | 8:15/mi
25.2M
3:22:58
25.20 mi
Rank: #15252 (+24)
40K25.2M
3:05 | 8:57/mi
FINISH
3:31:26
26.22 mi
Rank: #15338 (-86)
25.2MFINISH
8:28 | 8:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:31
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:47:55
Pace8:14 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:0024:558:0224:55
8:02
-
10K
6.21 mi11:50:1249:077:5524:12
7:48
-0:14
15K
9.32 mi12:14:411:13:367:5424:29
7:53
+0:05
20K
12.43 mi12:39:201:38:157:5524:39
7:57
+0:04
HALF
13.11 mi12:44:361:43:317:545:16
7:44
-0:13
25K
15.53 mi13:03:552:02:507:5519:19
7:58
+0:14
30K
18.64 mi13:30:132:29:088:0126:18
8:28
+0:30
20M
20.00 mi13:41:152:40:108:0111:02
8:08
-0:20
21M
21.00 mi13:49:592:48:548:038:44
8:44
+0:36
35K
21.75 mi13:55:432:54:388:025:44
7:40
-1:04
23M
23.00 mi14:05:583:04:538:0310:15
8:12
+0:32
24M
24.00 mi14:13:553:12:508:037:57
7:57
-0:15
40K
24.85 mi14:20:583:19:538:037:03
8:15
+0:18
25.2M
25.20 mi14:24:033:22:588:043:05
8:57
+0:42
FINISH
26.22 mi14:32:313:31:268:058:28
8:19
-0:38

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:40 /mi

Average Pace

8:04 /mi

Slowest Pace

8:57 /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

2:53:19

82% of race

Time at Steady Pace

38:07

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /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 mi11:26:0024:558:0224:55
8:02
#17090
10K
6.21 mi11:50:1249:077:5524:12
7:48
#16343
15K
9.32 mi12:14:411:13:367:5424:29
7:53
#16236
20K
12.43 mi12:39:201:38:157:5524:39
7:57
#16059
HALF
13.11 mi12:44:361:43:317:545:16
7:44
#15997
25K
15.53 mi13:03:552:02:507:5519:19
7:58
#15836
30K
18.64 mi13:30:132:29:088:0126:18
8:28
#15991
20M
20.00 mi13:41:152:40:108:0111:02
8:08
#15806
21M
21.00 mi13:49:592:48:548:038:44
8:44
#15710
35K
21.75 mi13:55:432:54:388:025:44
7:40
#15543
23M
23.00 mi14:05:583:04:538:0310:15
8:12
#15425
24M
24.00 mi14:13:553:12:508:037:57
7:57
#15324
40K
24.85 mi14:20:583:19:538:037:03
8:15
#15276
25.2M
25.20 mi14:24:033:22:588:043:05
8:57
#15252
FINISH
26.22 mi14:32:313:31:268:058:28
8:19
#15338
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi170905972597216030(Top 55%)5355(Top 43%)5355(Top 434%)
10K6.21 mi3.10 mi16343+7475536+4365536+43615564(Top 54%)5053(Top 40%)5053(Top 410%)
15K9.32 mi3.11 mi16236+1075484+525484+5216030(Top 55%)5355(Top 43%)5355(Top 434%)
20K12.43 mi3.11 mi16059+1775387+975387+9715638(Top 54%)5169(Top 41%)5169(Top 419%)
HALF13.11 mi0.68 mi15997+625360+275360+2715034(Top 52%)4755(Top 38%)4755(Top 386%)
25K15.53 mi2.42 mi15836+1615269+915269+9115156(Top 52%)4952(Top 39%)4952(Top 402%)
30K18.64 mi3.11 mi15991-1555399-1305399-13016689(Top 58%)5923(Top 47%)5923(Top 480%)
20M20.00 mi1.36 mi15806+1855302+975302+9713723(Top 47%)4364(Top 35%)4364(Top 354%)
21M21.00 mi1.00 mi15710+965267+355267+3514604(Top 50%)4908(Top 39%)4908(Top 398%)
35K21.75 mi0.75 mi15543+1675189+785189+7812136(Top 42%)3620(Top 29%)3620(Top 294%)
23M23.00 mi1.25 mi15425+1185146+435146+4313763(Top 47%)4584(Top 36%)4584(Top 372%)
24M24.00 mi1.00 mi15324+1015104+425104+4213431(Top 46%)4490(Top 36%)4490(Top 364%)
40K24.85 mi0.85 mi15276+485096+85096+814123(Top 49%)4950(Top 39%)4950(Top 401%)
25.2M25.20 mi0.35 mi15252+245087+95087+914441(Top 50%)5133(Top 41%)5133(Top 416%)
FINISH26.22 mi1.02 mi15338-865151-645151-6417106(Top 59%)6570(Top 52%)6570(Top 533%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

16030

Females

5355

F50-54

5355

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15564

Females

5053

F50-54

5053

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

16030

Females

5355

F50-54

5355

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15638

Females

5169

F50-54

5169

20K→HALF

12.4 - 13.1 mi

Top 52%
×2
+19ft-37ft

Overall

15034

Females

4755

F50-54

4755

HALF→25K

13.1 - 15.5 mi

Top 52%
×4
+66ft-88ft

Overall

15156

Females

4952

F50-54

4952

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16689

Females

5923

F50-54

5923

30K→20M

18.6 - 20.0 mi

Top 47%
×5
+64ft-50ft

Overall

13723

Females

4364

F50-54

4364

20M→21M

20.0 - 21.0 mi

Top 50%
×8
+106ft-24ft

Overall

14604

Females

4908

F50-54

4908

21M→35K

21.0 - 21.8 mi

Top 42%
×7
+17ft-86ft

Overall

12136

Females

3620

F50-54

3620

35K→23M

21.8 - 23.0 mi

Top 47%
×5
+23ft-63ft

Overall

13763

Females

4584

F50-54

4584

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13431

Females

4490

F50-54

4490

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14123

Females

4950

F50-54

4950

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14441

Females

5133

F50-54

5133

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17106

Females

6570

F50-54

6570

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2772*
Passed By
920
Net Change
+1752
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17090
5K10K825*78+747#17090#16343
10K15K263*156+107#16343#16236
15K20K272*95+177#16236#16059
20KHALF7412+62#16059#15997
HALF25K214*53+161#15997#15836
25K30K145200-155#15836#15991
30K20M201*16+185#15991#15806
20M21M15458+96#15806#15710
21M35K1736+167#15710#15543
35K23M15234+118#15543#15425
23M24M12423+101#15425#15324
24M40K9143+48#15324#15276
40K25.2M4218+24#15276#15252
25.2MFINISH42128-86#15252#15338
TOTALS2772*920+1752

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
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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