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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Katrien Ceulemans

Bib: 23893 •F •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F50-54)
#0 / 1233
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
25:43
3.11 mi
Rank: #18752
Start → 5K
25:43 | 8:17/mi
10K
51:43
6.21 mi
Rank: #19168 (-416)
5K → 10K
26:00 | 8:23/mi
15K
1:17:51
9.32 mi
Rank: #19309 (-141)
10K → 15K
26:08 | 8:25/mi
20K
1:44:13
12.43 mi
Rank: #19302 (+7)
15K → 20K
26:22 | 8:30/mi
HALF
1:50:02
13.11 mi
Rank: #19349 (-47)
20K → HALF
5:49 | 8:32/mi
25K
2:11:02
15.53 mi
Rank: #19356 (-7)
HALF → 25K
21:00 | 8:40/mi
30K
2:39:13
18.64 mi
Rank: #19463 (-107)
25K → 30K
28:11 | 9:05/mi
20M
2:51:47
20.00 mi
Rank: #19508 (-45)
30K → 20M
12:34 | 9:16/mi
21M
3:01:26
21.00 mi
Rank: #19480 (+28)
20M → 21M
9:39 | 9:39/mi
35K
3:08:10
21.75 mi
Rank: #19513 (-33)
21M → 35K
6:44 | 9:01/mi
23M
3:19:59
23.00 mi
Rank: #19590 (-77)
35K → 23M
11:49 | 9:27/mi
24M
3:29:19
24.00 mi
Rank: #19651 (-61)
23M → 24M
9:20 | 9:20/mi
40K
3:37:35
24.85 mi
Rank: #19728 (-77)
24M → 40K
8:16 | 9:41/mi
25.2M
3:41:09
25.20 mi
Rank: #19760 (-32)
40K → 25.2M
3:34 | 10:21/mi
FINISH
3:50:35
26.22 mi
Rank: #19847 (-87)
25.2M → FINISH
9:26 | 9:16/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:50:02
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time2:00:33
Pace9:12 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:0425:438:1725:43
8:17
-
10K
6.21 mi11:55:0451:438:2026:00
8:23
+0:06
15K
9.32 mi12:21:121:17:518:2226:08
8:25
+0:02
20K
12.43 mi12:47:341:44:138:2426:22
8:30
+0:05
HALF
13.11 mi12:53:231:50:028:245:49
8:32
+0:02
25K
15.53 mi13:14:232:11:028:2721:00
8:40
+0:08
30K
18.64 mi13:42:342:39:138:3328:11
9:05
+0:25
20M
20.00 mi13:55:082:51:478:3612:34
9:16
+0:11
21M
21.00 mi14:04:473:01:268:399:39
9:39
+0:23
35K
21.75 mi14:11:313:08:108:406:44
9:01
-0:38
23M
23.00 mi14:23:203:19:598:4211:49
9:27
+0:26
24M
24.00 mi14:32:403:29:198:449:20
9:20
-0:07
40K
24.85 mi14:40:563:37:358:468:16
9:41
+0:21
25.2M
25.20 mi14:44:303:41:098:473:34
10:21
+0:40
FINISH
26.22 mi14:53:563:50:358:499:26
9:16
-1:05

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

8:17 /mi

Average Pace

8:48 /mi

Slowest Pace

10:21 /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

2:11:02

57% of race

Time at Steady Pace

1:06:15

29% of race

Time at Slower Pace

33:18

14% of race

Average Pace: 8:48 /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 mi11:29:0425:438:1725:43
8:17
#18752
10K
6.21 mi11:55:0451:438:2026:00
8:23
#19168
15K
9.32 mi12:21:121:17:518:2226:08
8:25
#19309
20K
12.43 mi12:47:341:44:138:2426:22
8:30
#19302
HALF
13.11 mi12:53:231:50:028:245:49
8:32
#19349
25K
15.53 mi13:14:232:11:028:2721:00
8:40
#19356
30K
18.64 mi13:42:342:39:138:3328:11
9:05
#19463
20M
20.00 mi13:55:082:51:478:3612:34
9:16
#19508
21M
21.00 mi14:04:473:01:268:399:39
9:39
#19480
35K
21.75 mi14:11:313:08:108:406:44
9:01
#19513
23M
23.00 mi14:23:203:19:598:4211:49
9:27
#19590
24M
24.00 mi14:32:403:29:198:449:20
9:20
#19651
40K
24.85 mi14:40:563:37:358:468:16
9:41
#19728
25.2M
25.20 mi14:44:303:41:098:473:34
10:21
#19760
FINISH
26.22 mi14:53:563:50:358:499:26
9:16
#19847
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 mi187526942694219638(Top 68%)7392(Top 59%)7392(Top 600%)
10K6.21 mi3.10 mi19168-4167161-2197161-21919609(Top 68%)7382(Top 59%)7382(Top 599%)
15K9.32 mi3.11 mi19309-1417225-647225-6419638(Top 68%)7392(Top 59%)7392(Top 600%)
20K12.43 mi3.11 mi19302+77232-77232-719241(Top 66%)7208(Top 57%)7208(Top 585%)
HALF13.11 mi0.68 mi19349-477258-267258-2620482(Top 71%)7844(Top 62%)7844(Top 636%)
25K15.53 mi2.42 mi19356-77269-117269-1119518(Top 67%)7407(Top 59%)7407(Top 601%)
30K18.64 mi3.11 mi19463-1077368-997368-9919941(Top 69%)7711(Top 61%)7711(Top 625%)
20M20.00 mi1.36 mi19508-457406-387406-3820086(Top 69%)7852(Top 62%)7852(Top 637%)
21M21.00 mi1.00 mi19480+287408-27408-219196(Top 66%)7424(Top 59%)7424(Top 602%)
35K21.75 mi0.75 mi19513-337439-317439-3120048(Top 69%)7962(Top 63%)7962(Top 646%)
23M23.00 mi1.25 mi19590-777503-647503-6420428(Top 70%)8173(Top 65%)8173(Top 663%)
24M24.00 mi1.00 mi19651-617549-467549-4620753(Top 72%)8417(Top 67%)8417(Top 683%)
40K24.85 mi0.85 mi19728-777600-517600-5120957(Top 72%)8556(Top 68%)8556(Top 694%)
25.2M25.20 mi0.35 mi19760-327629-297629-2920611(Top 71%)8366(Top 67%)8366(Top 679%)
FINISH26.22 mi1.02 mi19847-877682-537682-5321504(Top 74%)8817(Top 70%)8817(Top 715%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21
+97ft-345ft

Overall

19638

Females

7392

F50-54

7392

5K→10K

3.1 - 6.2 mi

Top 68%
×5
+79ft-138ft

Overall

19609

Females

7382

F50-54

7382

10K→15K

6.2 - 9.3 mi

Top 68%
×3
+67ft-78ft

Overall

19638

Females

7392

F50-54

7392

15K→20K

9.3 - 12.4 mi

Top 66%
×5
+106ft-86ft

Overall

19241

Females

7208

F50-54

7208

20K→HALF

12.4 - 13.1 mi

Top 71%
×2
+19ft-37ft

Overall

20482

Females

7844

F50-54

7844

HALF→25K

13.1 - 15.5 mi

Top 67%
×4
+66ft-88ft

Overall

19518

Females

7407

F50-54

7407

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

19941

Females

7711

F50-54

7711

30K→20M

18.6 - 20.0 mi

Top 69%
×5
+64ft-50ft

Overall

20086

Females

7852

F50-54

7852

20M→21M

20.0 - 21.0 mi

Top 66%
×8
+106ft-24ft

Overall

19196

Females

7424

F50-54

7424

21M→35K

21.0 - 21.8 mi

Top 69%
×7
+17ft-86ft

Overall

20048

Females

7962

F50-54

7962

35K→23M

21.8 - 23.0 mi

Top 70%
×5
+23ft-63ft

Overall

20428

Females

8173

F50-54

8173

23M→24M

23.0 - 24.0 mi

Top 72%
×6
+12ft-82ft

Overall

20753

Females

8417

F50-54

8417

24M→40K

24.0 - 24.9 mi

Top 72%
×1
+6ft-20ft

Overall

20957

Females

8556

F50-54

8556

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1
+13ft-16ft

Overall

20611

Females

8366

F50-54

8366

25.2M→FINISH

25.2 - 26.2 mi

Top 74%
×2
+22ft-21ft

Overall

21504

Females

8817

F50-54

8817

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1100
Passed By
1741
Net Change
-1095
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18752
5K → 10K113200-416#18752#19168
10K → 15K126200-141#19168#19309
15K → 20K155148+7#19309#19302
20K → HALF1461-47#19302#19349
HALF → 25K121128-7#19349#19356
25K → 30K151200-107#19356#19463
30K → 20M74119-45#19463#19508
20M → 21M10577+28#19508#19480
21M → 35K4376-33#19480#19513
35K → 23M66143-77#19513#19590
23M → 24M51112-61#19590#19651
24M → 40K35112-77#19651#19728
40K → 25.2M1749-32#19728#19760
25.2M → FINISH29116-87#19760#19847
TOTALS11001741-1095
📊

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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