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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Shuyi Chen

Bib: 22502 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 49%
Age Group (F45-49)
#0 / 1786
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
26:05
3.11 mi
Rank: #19493
Start → 5K
26:05 | 8:24/mi
10K
51:56
6.21 mi
Rank: #19378 (+115)
5K → 10K
25:51 | 8:20/mi
15K
1:18:19
9.32 mi
Rank: #19601 (-223)
10K → 15K
26:23 | 8:30/mi
20K
1:45:42
12.43 mi
Rank: #19949 (-348)
15K → 20K
27:23 | 8:49/mi
HALF
1:51:29
13.11 mi
Rank: #19960 (-11)
20K → HALF
5:47 | 8:30/mi
25K
2:12:46
15.53 mi
Rank: #19985 (-25)
HALF → 25K
21:17 | 8:47/mi
30K
2:40:47
18.64 mi
Rank: #19910 (+75)
25K → 30K
28:01 | 9:02/mi
20M
2:52:44
20.00 mi
Rank: #19765 (+145)
30K → 20M
11:57 | 8:48/mi
21M
3:02:14
21.00 mi
Rank: #19695 (+70)
20M → 21M
9:30 | 9:30/mi
35K
3:08:39
21.75 mi
Rank: #19631 (+64)
21M → 35K
6:25 | 8:35/mi
23M
3:19:25
23.00 mi
Rank: #19436 (+195)
35K → 23M
10:46 | 8:37/mi
24M
3:27:41
24.00 mi
Rank: #19258 (+178)
23M → 24M
8:16 | 8:16/mi
40K
3:35:01
24.85 mi
Rank: #19150 (+108)
24M → 40K
7:20 | 8:35/mi
25.2M
3:38:13
25.20 mi
Rank: #19106 (+44)
40K → 25.2M
3:12 | 9:17/mi
FINISH
3:46:40
26.22 mi
Rank: #19004 (+102)
25.2M → FINISH
8:27 | 8:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:51:29
Pace8:31 /mi
2nd Half
Distance13.11 mi
Time1:55:11
Pace8:48 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:1026:058:2426:05
8:24
-
10K
6.21 mi11:56:0151:568:2225:51
8:20
-0:04
15K
9.32 mi12:22:241:18:198:2526:23
8:30
+0:10
20K
12.43 mi12:49:471:45:428:3127:23
8:49
+0:19
HALF
13.11 mi12:55:341:51:298:315:47
8:30
-0:19
25K
15.53 mi13:16:512:12:468:3321:17
8:47
+0:17
30K
18.64 mi13:44:522:40:478:3828:01
9:02
+0:15
20M
20.00 mi13:56:492:52:448:3911:57
8:48
-0:14
21M
21.00 mi14:06:193:02:148:419:30
9:30
+0:42
35K
21.75 mi14:12:443:08:398:416:25
8:35
-0:55
23M
23.00 mi14:23:303:19:258:4110:46
8:37
+0:02
24M
24.00 mi14:31:463:27:418:408:16
8:16
-0:21
40K
24.85 mi14:39:063:35:018:407:20
8:35
+0:19
25.2M
25.20 mi14:42:183:38:138:403:12
9:17
+0:42
FINISH
26.22 mi14:50:453:46:408:408:27
8:18
-0:59

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

8:16 /mi

Average Pace

8:39 /mi

Slowest Pace

9:30 /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

3:33:58

94% of race

Time at Steady Pace

12:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:39 /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 mi11:30:1026:058:2426:05
8:24
#19493
10K
6.21 mi11:56:0151:568:2225:51
8:20
#19378
15K
9.32 mi12:22:241:18:198:2526:23
8:30
#19601
20K
12.43 mi12:49:471:45:428:3127:23
8:49
#19949
HALF
13.11 mi12:55:341:51:298:315:47
8:30
#19960
25K
15.53 mi13:16:512:12:468:3321:17
8:47
#19985
30K
18.64 mi13:44:522:40:478:3828:01
9:02
#19910
20M
20.00 mi13:56:492:52:448:3911:57
8:48
#19765
21M
21.00 mi14:06:193:02:148:419:30
9:30
#19695
35K
21.75 mi14:12:443:08:398:416:25
8:35
#19631
23M
23.00 mi14:23:303:19:258:4110:46
8:37
#19436
24M
24.00 mi14:31:463:27:418:408:16
8:16
#19258
40K
24.85 mi14:39:063:35:018:407:20
8:35
#19150
25.2M
25.20 mi14:42:183:38:138:403:12
9:17
#19106
FINISH
26.22 mi14:50:453:46:408:408:27
8:18
#19004
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi194937360736020114(Top 69%)7653(Top 61%)7653(Top 428%)
10K6.21 mi3.10 mi19378+1157278+827278+8219322(Top 67%)7206(Top 57%)7206(Top 403%)
15K9.32 mi3.11 mi19601-2237392-1147392-11420114(Top 69%)7653(Top 61%)7653(Top 428%)
20K12.43 mi3.11 mi19949-3487603-2117603-21121048(Top 73%)8159(Top 65%)8159(Top 457%)
HALF13.11 mi0.68 mi19960-117608-57608-520173(Top 70%)7664(Top 61%)7664(Top 429%)
25K15.53 mi2.42 mi19985-257625-177625-1720115(Top 69%)7720(Top 61%)7720(Top 432%)
30K18.64 mi3.11 mi19910+757609+167609+1619668(Top 68%)7575(Top 60%)7575(Top 424%)
20M20.00 mi1.36 mi19765+1457555+547555+5417985(Top 62%)6749(Top 54%)6749(Top 378%)
21M21.00 mi1.00 mi19695+707530+257530+2518536(Top 64%)7085(Top 56%)7085(Top 397%)
35K21.75 mi0.75 mi19631+647504+267504+2618047(Top 62%)6921(Top 55%)6921(Top 388%)
23M23.00 mi1.25 mi19436+1957415+897415+8916378(Top 56%)6072(Top 48%)6072(Top 340%)
24M24.00 mi1.00 mi19258+1787336+797336+7915532(Top 54%)5640(Top 45%)5640(Top 316%)
40K24.85 mi0.85 mi19150+1087296+407296+4016205(Top 56%)6099(Top 48%)6099(Top 341%)
25.2M25.20 mi0.35 mi19106+447276+207276+2016327(Top 56%)6163(Top 49%)6163(Top 345%)
FINISH26.22 mi1.02 mi19004+1027232+447232+4417037(Top 59%)6545(Top 52%)6545(Top 366%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21
+97ft-345ft

Overall

20114

Females

7653

F45-49

7653

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19322

Females

7206

F45-49

7206

10K→15K

6.2 - 9.3 mi

Top 69%
×3
+67ft-78ft

Overall

20114

Females

7653

F45-49

7653

15K→20K

9.3 - 12.4 mi

Top 73%
×5
+106ft-86ft

Overall

21048

Females

8159

F45-49

8159

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20173

Females

7664

F45-49

7664

HALF→25K

13.1 - 15.5 mi

Top 69%
×4
+66ft-88ft

Overall

20115

Females

7720

F45-49

7720

25K→30K

15.5 - 18.6 mi

Top 68%
×9
+181ft-148ft

Overall

19668

Females

7575

F45-49

7575

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

17985

Females

6749

F45-49

6749

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18536

Females

7085

F45-49

7085

21M→35K

21.0 - 21.8 mi

Top 62%
×7
+17ft-86ft

Overall

18047

Females

6921

F45-49

6921

35K→23M

21.8 - 23.0 mi

Top 56%
×5
+23ft-63ft

Overall

16378

Females

6072

F45-49

6072

23M→24M

23.0 - 24.0 mi

Top 54%
×6
+12ft-82ft

Overall

15532

Females

5640

F45-49

5640

24M→40K

24.0 - 24.9 mi

Top 56%
×1
+6ft-20ft

Overall

16205

Females

6099

F45-49

6099

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16327

Females

6163

F45-49

6163

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17037

Females

6545

F45-49

6545

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1858*
Passed By
1031
Net Change
+489
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19493
5K → 10K315*200+115#19493#19378
10K → 15K96200-223#19378#19601
15K → 20K71200-348#19601#19949
20K → HALF1930-11#19949#19960
HALF → 25K111136-25#19960#19985
25K → 30K213*138+75#19985#19910
30K → 20M15914+145#19910#19765
20M → 21M11949+70#19765#19695
21M → 35K7713+64#19695#19631
35K → 23M202*7+195#19631#19436
23M → 24M1802+178#19436#19258
24M → 40K11911+108#19258#19150
40K → 25.2M5612+44#19150#19106
25.2M → FINISH12119+102#19106#19004
TOTALS1858*1031+489

* 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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