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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Marjolein Houthuijzen Welling

Bib: 31694 •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 (F40-44)
#0 / 1737
Race Day Weather
51°/41°F
overcast clouds
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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
27:36
3.11 mi
Rank: #22113
Start → 5K
27:36 | 8:54/mi
10K
55:14
6.21 mi
Rank: #22244 (-131)
5K → 10K
27:38 | 8:54/mi
15K
1:23:10
9.32 mi
Rank: #22379 (-135)
10K → 15K
27:56 | 9:00/mi
20K
1:52:30
12.43 mi
Rank: #22719 (-340)
15K → 20K
29:20 | 9:27/mi
HALF
1:58:49
13.11 mi
Rank: #22798 (-79)
20K → HALF
6:19 | 9:17/mi
25K
2:22:05
15.53 mi
Rank: #22926 (-128)
HALF → 25K
23:16 | 9:36/mi
30K
2:54:09
18.64 mi
Rank: #23141 (-215)
25K → 30K
32:04 | 10:20/mi
20M
3:08:26
20.00 mi
Rank: #23198 (-57)
30K → 20M
14:17 | 10:31/mi
21M
3:21:04
21.00 mi
Rank: #23411 (-213)
20M → 21M
12:38 | 12:38/mi
35K
3:28:45
21.75 mi
Rank: #23413 (-2)
21M → 35K
7:41 | 10:17/mi
23M
3:42:37
23.00 mi
Rank: #23510 (-97)
35K → 23M
13:52 | 11:05/mi
24M
3:52:53
24.00 mi
Rank: #23488 (+22)
23M → 24M
10:16 | 10:16/mi
40K
4:03:46
24.85 mi
Rank: #23695 (-207)
24M → 40K
10:53 | 12:44/mi
25.2M
4:07:37
25.20 mi
Rank: #23665 (+30)
40K → 25.2M
3:51 | 11:10/mi
FINISH
4:18:25
26.22 mi
Rank: #23739 (-74)
25.2M → FINISH
10:48 | 10:36/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:58:49
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:19:36
Pace10:39 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:5827:368:5427:36
8:54
-
10K
6.21 mi12:24:3655:148:5427:38
8:54
0:00
15K
9.32 mi12:52:321:23:108:5627:56
9:00
+0:06
20K
12.43 mi13:21:521:52:309:0429:20
9:27
+0:27
HALF
13.11 mi13:28:111:58:499:046:19
9:17
-0:10
25K
15.53 mi13:51:272:22:059:0923:16
9:36
+0:19
30K
18.64 mi14:23:312:54:099:2132:04
10:20
+0:44
20M
20.00 mi14:37:483:08:269:2614:17
10:31
+0:11
21M
21.00 mi14:50:263:21:049:3512:38
12:38
+2:07
35K
21.75 mi14:58:073:28:459:367:41
10:17
-2:21
23M
23.00 mi15:11:593:42:379:4113:52
11:05
+0:48
24M
24.00 mi15:22:153:52:539:4310:16
10:16
-0:49
40K
24.85 mi15:33:084:03:469:4910:53
12:44
+2:28
25.2M
25.20 mi15:36:594:07:379:503:51
11:10
-1:34
FINISH
26.22 mi15:47:474:18:259:5210:48
10:36
-0:34

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

8:54 /mi

Average Pace

9:52 /mi

Slowest Pace

12:44 /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

2:22:05

55% of race

Time at Steady Pace

1:15:06

29% of race

Time at Slower Pace

41:14

16% of race

Average Pace: 9:51 /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 mi11:56:5827:368:5427:36
8:54
#22113
10K
6.21 mi12:24:3655:148:5427:38
8:54
#22244
15K
9.32 mi12:52:321:23:108:5627:56
9:00
#22379
20K
12.43 mi13:21:521:52:309:0429:20
9:27
#22719
HALF
13.11 mi13:28:111:58:499:046:19
9:17
#22798
25K
15.53 mi13:51:272:22:059:0923:16
9:36
#22926
30K
18.64 mi14:23:312:54:099:2132:04
10:20
#23141
20M
20.00 mi14:37:483:08:269:2614:17
10:31
#23198
21M
21.00 mi14:50:263:21:049:3512:38
12:38
#23411
35K
21.75 mi14:58:073:28:459:367:41
10:17
#23413
23M
23.00 mi15:11:593:42:379:4113:52
11:05
#23510
24M
24.00 mi15:22:153:52:539:4310:16
10:16
#23488
40K
24.85 mi15:33:084:03:469:4910:53
12:44
#23695
25.2M
25.20 mi15:36:594:07:379:503:51
11:10
#23665
FINISH
26.22 mi15:47:474:18:259:5210:48
10:36
#23739
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi221138751875122665(Top 78%)8958(Top 71%)8958(Top 516%)
10K6.21 mi3.10 mi22244-1318788-378788-3722384(Top 77%)8851(Top 70%)8851(Top 510%)
15K9.32 mi3.11 mi22379-1358848-608848-6022665(Top 78%)8958(Top 71%)8958(Top 516%)
20K12.43 mi3.11 mi22719-3409003-1559003-15523577(Top 81%)9485(Top 75%)9485(Top 546%)
HALF13.11 mi0.68 mi22798-799048-459048-4523723(Top 82%)9547(Top 76%)9547(Top 550%)
25K15.53 mi2.42 mi22926-1289133-859133-8523290(Top 80%)9354(Top 74%)9354(Top 539%)
30K18.64 mi3.11 mi23141-2159293-1609293-16023904(Top 82%)9781(Top 78%)9781(Top 563%)
20M20.00 mi1.36 mi23198-579336-439336-4323904(Top 82%)9856(Top 78%)9856(Top 567%)
21M21.00 mi1.00 mi23411-2139447-1119447-11125954(Top 89%)10992(Top 87%)10992(Top 633%)
35K21.75 mi0.75 mi23413-29452-59452-523825(Top 82%)9891(Top 79%)9891(Top 569%)
23M23.00 mi1.25 mi23510-979512-609512-6024662(Top 85%)10395(Top 83%)10395(Top 598%)
24M24.00 mi1.00 mi23488+229510+29510+223534(Top 81%)9824(Top 78%)9824(Top 566%)
40K24.85 mi0.85 mi23695-2079622-1129622-11226784(Top 92%)11535(Top 92%)11535(Top 664%)
25.2M25.20 mi0.35 mi23665+309614+89614+822799(Top 79%)9502(Top 76%)9502(Top 547%)
FINISH26.22 mi1.02 mi23739-749674-609674-6025293(Top 87%)10787(Top 86%)10787(Top 621%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21
+97ft-345ft

Overall

22665

Females

8958

F40-44

8958

5K→10K

3.1 - 6.2 mi

Top 77%
×5
+79ft-138ft

Overall

22384

Females

8851

F40-44

8851

10K→15K

6.2 - 9.3 mi

Top 78%
×3
+67ft-78ft

Overall

22665

Females

8958

F40-44

8958

15K→20K

9.3 - 12.4 mi

Top 81%
×5
+106ft-86ft

Overall

23577

Females

9485

F40-44

9485

20K→HALF

12.4 - 13.1 mi

Top 82%
×2
+19ft-37ft

Overall

23723

Females

9547

F40-44

9547

HALF→25K

13.1 - 15.5 mi

Top 80%
×4
+66ft-88ft

Overall

23290

Females

9354

F40-44

9354

25K→30K

15.5 - 18.6 mi

Top 82%
×9
+181ft-148ft

Overall

23904

Females

9781

F40-44

9781

30K→20M

18.6 - 20.0 mi

Top 82%
×5
+64ft-50ft

Overall

23904

Females

9856

F40-44

9856

20M→21M

20.0 - 21.0 mi

Top 89%
×8
+106ft-24ft

Overall

25954

Females

10992

F40-44

10992

21M→35K

21.0 - 21.8 mi

Top 82%
×7
+17ft-86ft

Overall

23825

Females

9891

F40-44

9891

35K→23M

21.8 - 23.0 mi

Top 85%
×5
+23ft-63ft

Overall

24662

Females

10395

F40-44

10395

23M→24M

23.0 - 24.0 mi

Top 81%
×6
+12ft-82ft

Overall

23534

Females

9824

F40-44

9824

24M→40K

24.0 - 24.9 mi

Top 92%
×1
+6ft-20ft

Overall

26784

Females

11535

F40-44

11535

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1
+13ft-16ft

Overall

22799

Females

9502

F40-44

9502

25.2M→FINISH

25.2 - 26.2 mi

Top 87%
×2
+22ft-21ft

Overall

25293

Females

10787

F40-44

10787

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
897
Passed By
1932
Net Change
-1626
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22113
5K → 10K200200-131#22113#22244
10K → 15K120200-135#22244#22379
15K → 20K83200-340#22379#22719
20K → HALF1089-79#22719#22798
HALF → 25K96200-128#22798#22926
25K → 30K92200-215#22926#23141
30K → 20M60117-57#23141#23198
20M → 21M17200-213#23198#23411
21M → 35K4547-2#23411#23413
35K → 23M35132-97#23413#23510
23M → 24M5937+22#23510#23488
24M → 40K14200-207#23488#23695
40K → 25.2M4212+30#23695#23665
25.2M → FINISH2498-74#23665#23739
TOTALS8971932-1626
📊

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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