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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Carolyn Casey

Bib: 28645 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
32:54
3.11 mi
Rank: #27353
Start → 5K
32:54 | 10:36/mi
10K
1:06:42
6.21 mi
Rank: #27459 (-106)
5K → 10K
33:48 | 10:53/mi
15K
1:45:22
9.32 mi
Rank: #28084 (-625)
10K → 15K
38:40 | 12:27/mi
20K
2:26:35
12.43 mi
Rank: #28342 (-258)
15K → 20K
41:13 | 13:16/mi
HALF
2:35:59
13.11 mi
Rank: #28407 (-65)
20K → HALF
9:24 | 13:48/mi
25K
3:08:58
15.53 mi
Rank: #28435 (-28)
HALF → 25K
32:59 | 13:37/mi
30K
3:58:26
18.64 mi
Rank: #28648 (-213)
25K → 30K
49:28 | 15:56/mi
20M
4:19:29
20.00 mi
Rank: #28672 (-24)
30K → 20M
21:03 | 15:30/mi
21M
4:33:56
21.00 mi
Rank: #28643 (+29)
20M → 21M
14:27 | 14:27/mi
35K
4:43:20
21.75 mi
Rank: #28622 (+21)
21M → 35K
9:24 | 12:34/mi
23M
4:59:50
23.00 mi
Rank: #28591 (+31)
35K → 23M
16:30 | 13:12/mi
24M
5:13:04
24.00 mi
Rank: #28577 (+14)
23M → 24M
13:14 | 13:14/mi
40K
5:25:17
24.85 mi
Rank: #28563 (+14)
24M → 40K
12:13 | 14:18/mi
25.2M
5:30:22
25.20 mi
Rank: #28562 (+1)
40K → 25.2M
5:05 | 14:45/mi
FINISH
5:43:27
26.22 mi
Rank: #28558 (+4)
25.2M → FINISH
13:05 | 12:51/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:35:59
Pace11:54 /mi
2nd Half
Distance13.11 mi
Time3:07:28
Pace14:18 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1532:5410:3632:54
10:36
-
10K
6.21 mi12:30:031:06:4210:4533:48
10:53
+0:17
15K
9.32 mi13:08:431:45:2211:1938:40
12:27
+1:34
20K
12.43 mi13:49:562:26:3511:4841:13
13:16
+0:49
HALF
13.11 mi13:59:202:35:5911:549:24
13:48
+0:32
25K
15.53 mi14:32:193:08:5812:1032:59
13:37
-0:11
30K
18.64 mi15:21:473:58:2612:4849:28
15:56
+2:19
20M
20.00 mi15:42:504:19:2912:5921:03
15:30
-0:26
21M
21.00 mi15:57:174:33:5613:0314:27
14:27
-1:03
35K
21.75 mi16:06:414:43:2013:029:24
12:34
-1:53
23M
23.00 mi16:23:114:59:5013:0316:30
13:12
+0:38
24M
24.00 mi16:36:255:13:0413:0313:14
13:14
+0:02
40K
24.85 mi16:48:385:25:1713:0612:13
14:18
+1:04
25.2M
25.20 mi16:53:435:30:2213:075:05
14:45
+0:27
FINISH
26.22 mi17:06:485:43:2713:0713:05
12:51
-1:54

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

10:36 /mi

Average Pace

13:07 /mi

Slowest Pace

15:56 /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

1:45:22

31% of race

Time at Steady Pace

2:15:49

40% of race

Time at Slower Pace

1:42:16

30% of race

Average Pace: 13:06 /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 mi11:56:1532:5410:3632:54
10:36
#27353
10K
6.21 mi12:30:031:06:4210:4533:48
10:53
#27459
15K
9.32 mi13:08:431:45:2211:1938:40
12:27
#28084
20K
12.43 mi13:49:562:26:3511:4841:13
13:16
#28342
HALF
13.11 mi13:59:202:35:5911:549:24
13:48
#28407
25K
15.53 mi14:32:193:08:5812:1032:59
13:37
#28435
30K
18.64 mi15:21:473:58:2612:4849:28
15:56
#28648
20M
20.00 mi15:42:504:19:2912:5921:03
15:30
#28672
21M
21.00 mi15:57:174:33:5613:0314:27
14:27
#28643
35K
21.75 mi16:06:414:43:2013:029:24
12:34
#28622
23M
23.00 mi16:23:114:59:5013:0316:30
13:12
#28591
24M
24.00 mi16:36:255:13:0413:0313:14
13:14
#28577
40K
24.85 mi16:48:385:25:1713:0612:13
14:18
#28563
25.2M
25.20 mi16:53:435:30:2213:075:05
14:45
#28562
FINISH
26.22 mi17:06:485:43:2713:0713:05
12:51
#28558
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 mi27353114811148128616(Top 99%)12304(Top 98%)12304(Top 215%)
10K6.21 mi3.10 mi27459-10611554-7311554-7327536(Top 95%)11623(Top 92%)11623(Top 203%)
15K9.32 mi3.11 mi28084-62511944-39011944-39028616(Top 99%)12304(Top 98%)12304(Top 215%)
20K12.43 mi3.11 mi28342-25812123-17912123-17928720(Top 99%)12392(Top 99%)12392(Top 217%)
HALF13.11 mi0.68 mi28407-6512161-3812161-3828883(Top 100%)12513(Top 99%)12513(Top 219%)
25K15.53 mi2.42 mi28435-2812184-2312184-2328537(Top 98%)12287(Top 98%)12287(Top 215%)
30K18.64 mi3.11 mi28648-21312333-14912333-14928912(Top 100%)12527(Top 100%)12527(Top 219%)
20M20.00 mi1.36 mi28672-2412352-1912352-1928742(Top 99%)12437(Top 99%)12437(Top 218%)
21M21.00 mi1.00 mi28643+2912338+1412338+1427703(Top 95%)11915(Top 95%)11915(Top 208%)
35K21.75 mi0.75 mi28622+2112324+1412324+1427347(Top 94%)11734(Top 93%)11734(Top 205%)
23M23.00 mi1.25 mi28591+3112313+1112313+1127541(Top 95%)11836(Top 94%)11836(Top 207%)
24M24.00 mi1.00 mi28577+1412307+612307+627832(Top 96%)12034(Top 96%)12034(Top 211%)
40K24.85 mi0.85 mi28563+1412299+812299+828095(Top 97%)12160(Top 97%)12160(Top 213%)
25.2M25.20 mi0.35 mi28562+112298+112298+127797(Top 96%)12034(Top 96%)12034(Top 211%)
FINISH26.22 mi1.02 mi28558+412294+412294+428124(Top 97%)12180(Top 97%)12180(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28616

Females

12304

F18-39

12304

5K→10K

3.1 - 6.2 mi

Top 95%
×5
+79ft-138ft

Overall

27536

Females

11623

F18-39

11623

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28616

Females

12304

F18-39

12304

15K→20K

9.3 - 12.4 mi

Top 99%
×5
+106ft-86ft

Overall

28720

Females

12392

F18-39

12392

20K→HALF

12.4 - 13.1 mi

Top 100%
×2
+19ft-37ft

Overall

28883

Females

12513

F18-39

12513

HALF→25K

13.1 - 15.5 mi

Top 98%
×4
+66ft-88ft

Overall

28537

Females

12287

F18-39

12287

25K→30K

15.5 - 18.6 mi

Top 100%
×9
+181ft-148ft

Overall

28912

Females

12527

F18-39

12527

30K→20M

18.6 - 20.0 mi

Top 99%
×5
+64ft-50ft

Overall

28742

Females

12437

F18-39

12437

20M→21M

20.0 - 21.0 mi

Top 95%
×8
+106ft-24ft

Overall

27703

Females

11915

F18-39

11915

21M→35K

21.0 - 21.8 mi

Top 94%
×7
+17ft-86ft

Overall

27347

Females

11734

F18-39

11734

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27541

Females

11836

F18-39

11836

23M→24M

23.0 - 24.0 mi

Top 96%
×6
+12ft-82ft

Overall

27832

Females

12034

F18-39

12034

24M→40K

24.0 - 24.9 mi

Top 97%
×1
+6ft-20ft

Overall

28095

Females

12160

F18-39

12160

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1
+13ft-16ft

Overall

27797

Females

12034

F18-39

12034

25.2M→FINISH

25.2 - 26.2 mi

Top 97%
×2
+22ft-21ft

Overall

28124

Females

12180

F18-39

12180

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
329
Passed By
994
Net Change
-1205
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27353
5K → 10K117200-106#27353#27459
10K → 15K10200-625#27459#28084
15K → 20K6200-258#28084#28342
20K → HALF065-65#28342#28407
HALF → 25K3260-28#28407#28435
25K → 30K5200-213#28435#28648
30K → 20M731-24#28648#28672
20M → 21M356+29#28672#28643
21M → 35K243+21#28643#28622
35K → 23M321+31#28622#28591
23M → 24M184+14#28591#28577
24M → 40K239+14#28577#28563
40K → 25.2M43+1#28563#28562
25.2M → FINISH1612+4#28562#28558
TOTALS329994-1205
📊

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

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