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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Marjolein Claassen

Bib: 25531 •F •Age: N/A

AB

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
Age Group (F60-64)
#0 / 782
Top 22%
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
27:55
3.11 mi
Rank: #22606
Start → 5K
27:55 | 9:00/mi
10K
56:12
6.21 mi
Rank: #22939 (-333)
5K → 10K
28:17 | 9:07/mi
15K
1:24:11
9.32 mi
Rank: #22857 (+82)
10K → 15K
27:59 | 9:01/mi
20K
1:51:35
12.43 mi
Rank: #22393 (+464)
15K → 20K
27:24 | 8:50/mi
HALF
1:57:34
13.11 mi
Rank: #22358 (+35)
20K → HALF
5:59 | 8:47/mi
25K
2:19:01
15.53 mi
Rank: #22016 (+342)
HALF → 25K
21:27 | 8:51/mi
30K
2:46:45
18.64 mi
Rank: #21519 (+497)
25K → 30K
27:44 | 8:56/mi
20M
2:58:50
20.00 mi
Rank: #21271 (+248)
30K → 20M
12:05 | 8:54/mi
21M
3:08:16
21.00 mi
Rank: #21112 (+159)
20M → 21M
9:26 | 9:26/mi
35K
3:14:38
21.75 mi
Rank: #20995 (+117)
21M → 35K
6:22 | 8:31/mi
23M
3:25:39
23.00 mi
Rank: #20795 (+200)
35K → 23M
11:01 | 8:49/mi
24M
3:34:13
24.00 mi
Rank: #20666 (+129)
23M → 24M
8:34 | 8:34/mi
40K
3:41:43
24.85 mi
Rank: #20528 (+138)
24M → 40K
7:30 | 8:47/mi
25.2M
3:45:04
25.20 mi
Rank: #20493 (+35)
40K → 25.2M
3:21 | 9:43/mi
FINISH
3:54:08
26.22 mi
Rank: #20496 (-3)
25.2M → FINISH
9:04 | 8:54/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:57:34
Pace8:59 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:56:34
Pace8:54 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:34:4427:559:0027:55
9:00
-
10K
6.21 mi12:03:0156:129:0328:17
9:07
+0:07
15K
9.32 mi12:31:001:24:119:0227:59
9:01
-0:06
20K
12.43 mi12:58:241:51:358:5927:24
8:50
-0:11
HALF
13.11 mi13:04:231:57:348:595:59
8:47
-0:03
25K
15.53 mi13:25:502:19:018:5721:27
8:51
+0:04
30K
18.64 mi13:53:342:46:458:5727:44
8:56
+0:05
20M
20.00 mi14:05:392:58:508:5712:05
8:54
-0:02
21M
21.00 mi14:15:053:08:168:589:26
9:26
+0:32
35K
21.75 mi14:21:273:14:388:576:22
8:31
-0:55
23M
23.00 mi14:32:283:25:398:5711:01
8:49
+0:18
24M
24.00 mi14:41:023:34:138:568:34
8:34
-0:15
40K
24.85 mi14:48:323:41:438:567:30
8:47
+0:13
25.2M
25.20 mi14:51:533:45:048:563:21
9:43
+0:56
FINISH
26.22 mi15:00:573:54:088:579:04
8:54
-0:49

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

8:31 /mi

Average Pace

8:56 /mi

Slowest Pace

9:43 /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

3:41:21

95% of race

Time at Steady Pace

12:47

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:56 /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 mi11:34:4427:559:0027:55
9:00
#22606
10K
6.21 mi12:03:0156:129:0328:17
9:07
#22939
15K
9.32 mi12:31:001:24:119:0227:59
9:01
#22857
20K
12.43 mi12:58:241:51:358:5927:24
8:50
#22393
HALF
13.11 mi13:04:231:57:348:595:59
8:47
#22358
25K
15.53 mi13:25:502:19:018:5721:27
8:51
#22016
30K
18.64 mi13:53:342:46:458:5727:44
8:56
#21519
20M
20.00 mi14:05:392:58:508:5712:05
8:54
#21271
21M
21.00 mi14:15:053:08:168:589:26
9:26
#21112
35K
21.75 mi14:21:273:14:388:576:22
8:31
#20995
23M
23.00 mi14:32:283:25:398:5711:01
8:49
#20795
24M
24.00 mi14:41:023:34:138:568:34
8:34
#20666
40K
24.85 mi14:48:323:41:438:567:30
8:47
#20528
25.2M
25.20 mi14:51:533:45:048:563:21
9:43
#20493
FINISH
26.22 mi15:00:573:54:088:579:04
8:54
#20496
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi226068978897822735(Top 78%)8995(Top 72%)8995(Top 1150%)
10K6.21 mi3.10 mi22939-3339129-1519129-15123254(Top 80%)9286(Top 74%)9286(Top 1187%)
15K9.32 mi3.11 mi22857+829072+579072+5722735(Top 78%)8995(Top 72%)8995(Top 1150%)
20K12.43 mi3.11 mi22393+4648854+2188854+21821073(Top 73%)8175(Top 65%)8175(Top 1045%)
HALF13.11 mi0.68 mi22358+358836+188836+1821718(Top 75%)8481(Top 67%)8481(Top 1085%)
25K15.53 mi2.42 mi22016+3428664+1728664+17220452(Top 70%)7895(Top 63%)7895(Top 1010%)
30K18.64 mi3.11 mi21519+4978433+2318433+23119237(Top 66%)7345(Top 58%)7345(Top 939%)
20M20.00 mi1.36 mi21271+2488332+1018332+10118473(Top 64%)7023(Top 56%)7023(Top 898%)
21M21.00 mi1.00 mi21112+1598254+788254+7818259(Top 63%)6933(Top 55%)6933(Top 887%)
35K21.75 mi0.75 mi20995+1178202+528202+5217696(Top 61%)6745(Top 54%)6745(Top 863%)
23M23.00 mi1.25 mi20795+2008117+858117+8517489(Top 60%)6692(Top 53%)6692(Top 856%)
24M24.00 mi1.00 mi20666+1298063+548063+5417309(Top 60%)6647(Top 53%)6647(Top 850%)
40K24.85 mi0.85 mi20528+1388008+558008+5517281(Top 60%)6680(Top 53%)6680(Top 854%)
25.2M25.20 mi0.35 mi20493+358000+88000+818341(Top 63%)7233(Top 58%)7233(Top 925%)
FINISH26.22 mi1.02 mi20496-38008-88008-820107(Top 69%)8136(Top 65%)8136(Top 1040%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21
+97ft-345ft

Overall

22735

Females

8995

F60-64

8995

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23254

Females

9286

F60-64

9286

10K→15K

6.2 - 9.3 mi

Top 78%
×3
+67ft-78ft

Overall

22735

Females

8995

F60-64

8995

15K→20K

9.3 - 12.4 mi

Top 73%
×5
+106ft-86ft

Overall

21073

Females

8175

F60-64

8175

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21718

Females

8481

F60-64

8481

HALF→25K

13.1 - 15.5 mi

Top 70%
×4
+66ft-88ft

Overall

20452

Females

7895

F60-64

7895

25K→30K

15.5 - 18.6 mi

Top 66%
×9
+181ft-148ft

Overall

19237

Females

7345

F60-64

7345

30K→20M

18.6 - 20.0 mi

Top 64%
×5
+64ft-50ft

Overall

18473

Females

7023

F60-64

7023

20M→21M

20.0 - 21.0 mi

Top 63%
×8
+106ft-24ft

Overall

18259

Females

6933

F60-64

6933

21M→35K

21.0 - 21.8 mi

Top 61%
×7
+17ft-86ft

Overall

17696

Females

6745

F60-64

6745

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17489

Females

6692

F60-64

6692

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17309

Females

6647

F60-64

6647

24M→40K

24.0 - 24.9 mi

Top 60%
×1
+6ft-20ft

Overall

17281

Females

6680

F60-64

6680

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1
+13ft-16ft

Overall

18341

Females

7233

F60-64

7233

25.2M→FINISH

25.2 - 26.2 mi

Top 69%
×2
+22ft-21ft

Overall

20107

Females

8136

F60-64

8136

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2839*
Passed By
469
Net Change
+2110
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22606
5K → 10K127200-333#22606#22939
10K → 15K208*126+82#22939#22857
15K → 20K473*9+464#22857#22393
20K → HALF4712+35#22393#22358
HALF → 25K351*9+342#22358#22016
25K → 30K500*3+497#22016#21519
30K → 20M250*2+248#21519#21271
20M → 21M17011+159#21271#21112
21M → 35K1236+117#21112#20995
35K → 23M214*14+200#20995#20795
23M → 24M1367+129#20795#20666
24M → 40K1424+138#20666#20528
40K → 25.2M449+35#20528#20493
25.2M → FINISH5457-3#20493#20496
TOTALS2839*469+2110

* 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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Activity Data

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