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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Belinda Kirkpatrick

Bib: 21041 •F •Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Masters (Masters Women)
#0 / 6862
Top 32%
Age Group (F45-49)
#0 / 1786
Top 40%
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
24:15
3.11 mi
Rank: #15479
Start → 5K
24:15 | 7:49/mi
10K
48:47
6.21 mi
Rank: #15919 (-440)
5K → 10K
24:32 | 7:54/mi
15K
1:13:30
9.32 mi
Rank: #16139 (-220)
10K → 15K
24:43 | 7:58/mi
20K
1:38:28
12.43 mi
Rank: #16207 (-68)
15K → 20K
24:58 | 8:03/mi
HALF
1:43:51
13.11 mi
Rank: #16218 (-11)
20K → HALF
5:23 | 7:54/mi
25K
2:03:39
15.53 mi
Rank: #16256 (-38)
HALF → 25K
19:48 | 8:10/mi
30K
2:29:42
18.64 mi
Rank: #16210 (+46)
25K → 30K
26:03 | 8:24/mi
20M
2:41:15
20.00 mi
Rank: #16201 (+9)
30K → 20M
11:33 | 8:31/mi
21M
2:50:02
21.00 mi
Rank: #16093 (+108)
20M → 21M
8:47 | 8:47/mi
35K
2:56:09
21.75 mi
Rank: #16042 (+51)
21M → 35K
6:07 | 8:11/mi
23M
3:07:11
23.00 mi
Rank: #16118 (-76)
35K → 23M
11:02 | 8:49/mi
24M
3:15:45
24.00 mi
Rank: #16158 (-40)
23M → 24M
8:34 | 8:34/mi
40K
3:23:32
24.85 mi
Rank: #16259 (-101)
24M → 40K
7:47 | 9:07/mi
25.2M
3:26:45
25.20 mi
Rank: #16258 (+1)
40K → 25.2M
3:13 | 9:20/mi
FINISH
3:35:29
26.22 mi
Rank: #16348 (-90)
25.2M → FINISH
8:44 | 8:35/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:51
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:51:38
Pace8:31 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:0624:157:4924:15
7:49
-
10K
6.21 mi11:34:3848:477:5224:32
7:54
+0:05
15K
9.32 mi11:59:211:13:307:5424:43
7:58
+0:04
20K
12.43 mi12:24:191:38:287:5624:58
8:03
+0:05
HALF
13.11 mi12:29:421:43:517:565:23
7:54
-0:09
25K
15.53 mi12:49:302:03:397:5819:48
8:10
+0:16
30K
18.64 mi13:15:332:29:428:0226:03
8:24
+0:14
20M
20.00 mi13:27:062:41:158:0411:33
8:31
+0:07
21M
21.00 mi13:35:532:50:028:068:47
8:47
+0:16
35K
21.75 mi13:42:002:56:098:066:07
8:11
-0:36
23M
23.00 mi13:53:023:07:118:0911:02
8:49
+0:38
24M
24.00 mi14:01:363:15:458:108:34
8:34
-0:15
40K
24.85 mi14:09:233:23:328:127:47
9:07
+0:33
25.2M
25.20 mi14:12:363:26:458:133:13
9:20
+0:13
FINISH
26.22 mi14:21:203:35:298:148:44
8:35
-0:45

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

7:49 /mi

Average Pace

8:13 /mi

Slowest Pace

9:20 /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

3:04:40

86% of race

Time at Steady Pace

27:36

13% of race

Time at Slower Pace

3:13

1% of race

Average Pace: 8:13 /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 mi11:10:0624:157:4924:15
7:49
#15479
10K
6.21 mi11:34:3848:477:5224:32
7:54
#15919
15K
9.32 mi11:59:211:13:307:5424:43
7:58
#16139
20K
12.43 mi12:24:191:38:287:5624:58
8:03
#16207
HALF
13.11 mi12:29:421:43:517:565:23
7:54
#16218
25K
15.53 mi12:49:302:03:397:5819:48
8:10
#16256
30K
18.64 mi13:15:332:29:428:0226:03
8:24
#16210
20M
20.00 mi13:27:062:41:158:0411:33
8:31
#16201
21M
21.00 mi13:35:532:50:028:068:47
8:47
#16093
35K
21.75 mi13:42:002:56:098:066:07
8:11
#16042
23M
23.00 mi13:53:023:07:118:0911:02
8:49
#16118
24M
24.00 mi14:01:363:15:458:108:34
8:34
#16158
40K
24.85 mi14:09:233:23:328:127:47
9:07
#16259
25.2M
25.20 mi14:12:363:26:458:133:13
9:20
#16258
FINISH
26.22 mi14:21:203:35:298:148:44
8:35
#16348
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 mi154794985498516669(Top 57%)5717(Top 45%)5717(Top 320%)
10K6.21 mi3.10 mi15919-4405278-2935278-29316450(Top 57%)5591(Top 44%)5591(Top 313%)
15K9.32 mi3.11 mi16139-2205418-1405418-14016669(Top 57%)5717(Top 45%)5717(Top 320%)
20K12.43 mi3.11 mi16207-685478-605478-6016392(Top 56%)5600(Top 45%)5600(Top 314%)
HALF13.11 mi0.68 mi16218-115480-25480-216402(Top 57%)5590(Top 44%)5590(Top 313%)
25K15.53 mi2.42 mi16256-385516-365516-3616589(Top 57%)5761(Top 46%)5761(Top 323%)
30K18.64 mi3.11 mi16210+465536-205536-2016182(Top 56%)5623(Top 45%)5623(Top 315%)
20M20.00 mi1.36 mi16201+95543-75543-716241(Top 56%)5778(Top 46%)5778(Top 324%)
21M21.00 mi1.00 mi16093+1085504+395504+3914926(Top 51%)5107(Top 41%)5107(Top 286%)
35K21.75 mi0.75 mi16042+515482+225482+2215690(Top 54%)5582(Top 44%)5582(Top 313%)
23M23.00 mi1.25 mi16118-765551-695551-6917533(Top 60%)6706(Top 53%)6706(Top 375%)
24M24.00 mi1.00 mi16158-405587-365587-3617271(Top 60%)6609(Top 53%)6609(Top 370%)
40K24.85 mi0.85 mi16259-1015668-815668-8118884(Top 65%)7506(Top 60%)7506(Top 420%)
25.2M25.20 mi0.35 mi16258+15677-95677-916528(Top 57%)6246(Top 50%)6246(Top 350%)
FINISH26.22 mi1.02 mi16348-905751-745751-7418535(Top 64%)7308(Top 58%)7308(Top 409%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16669

Females

5717

F45-49

5717

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16450

Females

5591

F45-49

5591

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16669

Females

5717

F45-49

5717

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16392

Females

5600

F45-49

5600

20K→HALF

12.4 - 13.1 mi

Top 57%
×2
+19ft-37ft

Overall

16402

Females

5590

F45-49

5590

HALF→25K

13.1 - 15.5 mi

Top 57%
×4
+66ft-88ft

Overall

16589

Females

5761

F45-49

5761

25K→30K

15.5 - 18.6 mi

Top 56%
×9
+181ft-148ft

Overall

16182

Females

5623

F45-49

5623

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16241

Females

5778

F45-49

5778

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14926

Females

5107

F45-49

5107

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15690

Females

5582

F45-49

5582

35K→23M

21.8 - 23.0 mi

Top 60%
×5
+23ft-63ft

Overall

17533

Females

6706

F45-49

6706

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17271

Females

6609

F45-49

6609

24M→40K

24.0 - 24.9 mi

Top 65%
×1
+6ft-20ft

Overall

18884

Females

7506

F45-49

7506

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16528

Females

6246

F45-49

6246

25.2M→FINISH

25.2 - 26.2 mi

Top 64%
×2
+22ft-21ft

Overall

18535

Females

7308

F45-49

7308

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1368*
Passed By
1688
Net Change
-869
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15479
5K → 10K133200-440#15479#15919
10K → 15K129200-220#15919#16139
15K → 20K159200-68#16139#16207
20K → HALF2940-11#16207#16218
HALF → 25K139177-38#16218#16256
25K → 30K215*169+46#16256#16210
30K → 20M9283+9#16210#16201
20M → 21M14638+108#16201#16093
21M → 35K8332+51#16093#16042
35K → 23M77153-76#16042#16118
23M → 24M5393-40#16118#16158
24M → 40K46147-101#16158#16259
40K → 25.2M2827+1#16259#16258
25.2M → FINISH39129-90#16258#16348
TOTALS1368*1688-869

* 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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