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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Simei Yeh

Bib: 19066 •F •Age: N/A

CA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
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Race Performance Report

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  • Finish time optimization
  • Qualification readiness
  • Segment-by-segment breakdown
  • Personalized race insights
  • Downloadable athlete report
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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
24:34
3.11 mi
Rank: #16261
Start → 5K
24:34 | 7:55/mi
10K
49:11
6.21 mi
Rank: #16428 (-167)
5K → 10K
24:37 | 7:56/mi
15K
1:13:40
9.32 mi
Rank: #16293 (+135)
10K → 15K
24:29 | 7:53/mi
20K
1:38:00
12.43 mi
Rank: #15887 (+406)
15K → 20K
24:20 | 7:50/mi
HALF
1:43:18
13.11 mi
Rank: #15852 (+35)
20K → HALF
5:18 | 7:47/mi
25K
2:02:28
15.53 mi
Rank: #15635 (+217)
HALF → 25K
19:10 | 7:55/mi
30K
2:28:06
18.64 mi
Rank: #15563 (+72)
25K → 30K
25:38 | 8:16/mi
20M
2:39:44
20.00 mi
Rank: #15631 (-68)
30K → 20M
11:38 | 8:34/mi
21M
2:48:52
21.00 mi
Rank: #15693 (-62)
20M → 21M
9:08 | 9:08/mi
35K
2:55:00
21.75 mi
Rank: #15676 (+17)
21M → 35K
6:08 | 8:12/mi
23M
3:05:41
23.00 mi
Rank: #15668 (+8)
35K → 23M
10:41 | 8:33/mi
24M
3:13:49
24.00 mi
Rank: #15614 (+54)
23M → 24M
8:08 | 8:08/mi
40K
3:20:58
24.85 mi
Rank: #15581 (+33)
24M → 40K
7:09 | 8:22/mi
25.2M
3:24:12
25.20 mi
Rank: #15608 (-27)
40K → 25.2M
3:14 | 9:23/mi
FINISH
3:32:21
26.22 mi
Rank: #15583 (+25)
25.2M → FINISH
8:09 | 8:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:18
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:49:03
Pace8:20 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:1024:347:5524:34
7:55
-
10K
6.21 mi11:32:4749:117:5524:37
7:56
+0:01
15K
9.32 mi11:57:161:13:407:5524:29
7:53
-0:03
20K
12.43 mi12:21:361:38:007:5424:20
7:50
-0:03
HALF
13.11 mi12:26:541:43:187:535:18
7:47
-0:03
25K
15.53 mi12:46:042:02:287:5419:10
7:55
+0:08
30K
18.64 mi13:11:422:28:067:5725:38
8:16
+0:21
20M
20.00 mi13:23:202:39:448:0011:38
8:34
+0:18
21M
21.00 mi13:32:282:48:528:039:08
9:08
+0:34
35K
21.75 mi13:38:362:55:008:036:08
8:12
-0:56
23M
23.00 mi13:49:173:05:418:0510:41
8:33
+0:21
24M
24.00 mi13:57:253:13:498:058:08
8:08
-0:25
40K
24.85 mi14:04:343:20:588:067:09
8:22
+0:14
25.2M
25.20 mi14:07:483:24:128:073:14
9:23
+1:01
FINISH
26.22 mi14:15:573:32:218:078:09
8:00
-1:23

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

7:47 /mi

Average Pace

8:06 /mi

Slowest Pace

9:23 /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

54:07

25% of race

Time at Steady Pace

1:56:24

55% of race

Time at Slower Pace

41:50

20% of race

Average Pace: 8:06 /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 mi11:08:1024:347:5524:34
7:55
#16261
10K
6.21 mi11:32:4749:117:5524:37
7:56
#16428
15K
9.32 mi11:57:161:13:407:5524:29
7:53
#16293
20K
12.43 mi12:21:361:38:007:5424:20
7:50
#15887
HALF
13.11 mi12:26:541:43:187:535:18
7:47
#15852
25K
15.53 mi12:46:042:02:287:5419:10
7:55
#15635
30K
18.64 mi13:11:422:28:067:5725:38
8:16
#15563
20M
20.00 mi13:23:202:39:448:0011:38
8:34
#15631
21M
21.00 mi13:32:282:48:528:039:08
9:08
#15693
35K
21.75 mi13:38:362:55:008:036:08
8:12
#15676
23M
23.00 mi13:49:173:05:418:0510:41
8:33
#15668
24M
24.00 mi13:57:253:13:498:058:08
8:08
#15614
40K
24.85 mi14:04:343:20:588:067:09
8:22
#15581
25.2M
25.20 mi14:07:483:24:128:073:14
9:23
#15608
FINISH
26.22 mi14:15:573:32:218:078:09
8:00
#15583
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi162615476547616033(Top 55%)5358(Top 43%)5358(Top 94%)
10K6.21 mi3.10 mi16428-1675584-1085584-10816667(Top 57%)5714(Top 45%)5714(Top 100%)
15K9.32 mi3.11 mi16293+1355520+645520+6416033(Top 55%)5358(Top 43%)5358(Top 94%)
20K12.43 mi3.11 mi15887+4065283+2375283+23714811(Top 51%)4688(Top 37%)4688(Top 82%)
HALF13.11 mi0.68 mi15852+355266+175266+1715434(Top 53%)5000(Top 40%)5000(Top 87%)
25K15.53 mi2.42 mi15635+2175150+1165150+11614654(Top 50%)4670(Top 37%)4670(Top 82%)
30K18.64 mi3.11 mi15563+725138+125138+1215271(Top 53%)5122(Top 41%)5122(Top 90%)
20M20.00 mi1.36 mi15631-685197-595197-5916575(Top 57%)5953(Top 47%)5953(Top 104%)
21M21.00 mi1.00 mi15693-625258-615258-6116837(Top 58%)6151(Top 49%)6151(Top 108%)
35K21.75 mi0.75 mi15676+175264-65264-615813(Top 54%)5642(Top 45%)5642(Top 99%)
23M23.00 mi1.25 mi15668+85284-205284-2015931(Top 55%)5803(Top 46%)5803(Top 102%)
24M24.00 mi1.00 mi15614+545267+175267+1714680(Top 51%)5164(Top 41%)5164(Top 90%)
40K24.85 mi0.85 mi15581+335271-45271-414873(Top 51%)5364(Top 43%)5364(Top 94%)
25.2M25.20 mi0.35 mi15608-275306-355306-3516761(Top 58%)6367(Top 51%)6367(Top 111%)
FINISH26.22 mi1.02 mi15583+255301+55301+515197(Top 52%)5529(Top 44%)5529(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

16033

Females

5358

F18-39

5358

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16667

Females

5714

F18-39

5714

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

16033

Females

5358

F18-39

5358

15K→20K

9.3 - 12.4 mi

Top 51%
×5
+106ft-86ft

Overall

14811

Females

4688

F18-39

4688

20K→HALF

12.4 - 13.1 mi

Top 53%
×2
+19ft-37ft

Overall

15434

Females

5000

F18-39

5000

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14654

Females

4670

F18-39

4670

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15271

Females

5122

F18-39

5122

30K→20M

18.6 - 20.0 mi

Top 57%
×5
+64ft-50ft

Overall

16575

Females

5953

F18-39

5953

20M→21M

20.0 - 21.0 mi

Top 58%
×8
+106ft-24ft

Overall

16837

Females

6151

F18-39

6151

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15813

Females

5642

F18-39

5642

35K→23M

21.8 - 23.0 mi

Top 55%
×5
+23ft-63ft

Overall

15931

Females

5803

F18-39

5803

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14680

Females

5164

F18-39

5164

24M→40K

24.0 - 24.9 mi

Top 51%
×1
+6ft-20ft

Overall

14873

Females

5364

F18-39

5364

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16761

Females

6367

F18-39

6367

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

15197

Females

5529

F18-39

5529

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2049*
Passed By
1205
Net Change
+678
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16261
5K → 10K199200-167#16261#16428
10K → 15K277*142+135#16428#16293
15K → 20K442*36+406#16293#15887
20K → HALF5924+35#15887#15852
HALF → 25K257*40+217#15852#15635
25K → 30K222*150+72#15635#15563
30K → 20M81149-68#15563#15631
20M → 21M82144-62#15631#15693
21M → 35K7255+17#15693#15676
35K → 23M9587+8#15676#15668
23M → 24M9238+54#15668#15614
24M → 40K7845+33#15614#15581
40K → 25.2M2552-27#15581#15608
25.2M → FINISH6843+25#15608#15583
TOTALS2049*1205+678

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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