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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Britany Carlson

Bib: 16144 •F •Age: N/A

MN

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 47%
Masters (Masters Women)
#0 / 6862
Top 33%
Age Group (F40-44)
#0 / 1737
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
24:05
3.11 mi
Rank: #15036
Start → 5K
24:05 | 7:46/mi
10K
48:42
6.21 mi
Rank: #15817 (-781)
5K → 10K
24:37 | 7:56/mi
15K
1:12:43
9.32 mi
Rank: #15439 (+378)
10K → 15K
24:01 | 7:44/mi
20K
1:37:23
12.43 mi
Rank: #15464 (-25)
15K → 20K
24:40 | 7:57/mi
HALF
1:42:42
13.11 mi
Rank: #15451 (+13)
20K → HALF
5:19 | 7:48/mi
25K
2:02:20
15.53 mi
Rank: #15563 (-112)
HALF → 25K
19:38 | 8:06/mi
30K
2:28:40
18.64 mi
Rank: #15804 (-241)
25K → 30K
26:20 | 8:29/mi
20M
2:40:32
20.00 mi
Rank: #15952 (-148)
30K → 20M
11:52 | 8:45/mi
21M
2:49:52
21.00 mi
Rank: #16032 (-80)
20M → 21M
9:20 | 9:20/mi
35K
2:56:09
21.75 mi
Rank: #16043 (-11)
21M → 35K
6:17 | 8:24/mi
23M
3:07:01
23.00 mi
Rank: #16063 (-20)
35K → 23M
10:52 | 8:41/mi
24M
3:15:27
24.00 mi
Rank: #16071 (-8)
23M → 24M
8:26 | 8:26/mi
40K
3:24:41
24.85 mi
Rank: #16592 (-521)
24M → 40K
9:14 | 10:48/mi
25.2M
3:27:54
25.20 mi
Rank: #16579 (+13)
40K → 25.2M
3:13 | 9:20/mi
FINISH
3:36:22
26.22 mi
Rank: #16575 (+4)
25.2M → FINISH
8:28 | 8:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:42
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:53:40
Pace8:41 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:5124:057:4624:05
7:46
-
10K
6.21 mi11:50:2848:427:5124:37
7:56
+0:10
15K
9.32 mi12:14:291:12:437:4924:01
7:44
-0:12
20K
12.43 mi12:39:091:37:237:5124:40
7:57
+0:13
HALF
13.11 mi12:44:281:42:427:515:19
7:48
-0:09
25K
15.53 mi13:04:062:02:207:5319:38
8:06
+0:18
30K
18.64 mi13:30:262:28:407:5926:20
8:29
+0:23
20M
20.00 mi13:42:182:40:328:0211:52
8:45
+0:16
21M
21.00 mi13:51:382:49:528:069:20
9:20
+0:35
35K
21.75 mi13:57:552:56:098:066:17
8:24
-0:56
23M
23.00 mi14:08:473:07:018:0810:52
8:41
+0:17
24M
24.00 mi14:17:133:15:278:098:26
8:26
-0:15
40K
24.85 mi14:26:273:24:418:159:14
10:48
+2:22
25.2M
25.20 mi14:29:403:27:548:163:13
9:20
-1:28
FINISH
26.22 mi14:38:083:36:228:168:28
8:19
-1:01

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

7:44 /mi

Average Pace

8:15 /mi

Slowest Pace

10:48 /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

1:42:42

47% of race

Time at Steady Pace

1:31:53

42% of race

Time at Slower Pace

21:47

10% of race

Average Pace: 8:15 /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 mi11:25:5124:057:4624:05
7:46
#15036
10K
6.21 mi11:50:2848:427:5124:37
7:56
#15817
15K
9.32 mi12:14:291:12:437:4924:01
7:44
#15439
20K
12.43 mi12:39:091:37:237:5124:40
7:57
#15464
HALF
13.11 mi12:44:281:42:427:515:19
7:48
#15451
25K
15.53 mi13:04:062:02:207:5319:38
8:06
#15563
30K
18.64 mi13:30:262:28:407:5926:20
8:29
#15804
20M
20.00 mi13:42:182:40:328:0211:52
8:45
#15952
21M
21.00 mi13:51:382:49:528:069:20
9:20
#16032
35K
21.75 mi13:57:552:56:098:066:17
8:24
#16043
23M
23.00 mi14:08:473:07:018:0810:52
8:41
#16063
24M
24.00 mi14:17:133:15:278:098:26
8:26
#16071
40K
24.85 mi14:26:273:24:418:159:14
10:48
#16592
25.2M
25.20 mi14:29:403:27:548:163:13
9:20
#16579
FINISH
26.22 mi14:38:083:36:228:168:28
8:19
#16575
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 mi150364713471314792(Top 51%)4619(Top 37%)4619(Top 266%)
10K6.21 mi3.10 mi15817-7815214-5015214-50116673(Top 57%)5720(Top 45%)5720(Top 329%)
15K9.32 mi3.11 mi15439+3785007+2075007+20714792(Top 51%)4619(Top 37%)4619(Top 266%)
20K12.43 mi3.11 mi15464-255028-215028-2115695(Top 54%)5213(Top 41%)5213(Top 300%)
HALF13.11 mi0.68 mi15451+135020+85020+815630(Top 54%)5130(Top 41%)5130(Top 295%)
25K15.53 mi2.42 mi15563-1125112-925112-9216110(Top 56%)5495(Top 44%)5495(Top 316%)
30K18.64 mi3.11 mi15804-2415286-1745286-17416779(Top 58%)5980(Top 48%)5980(Top 344%)
20M20.00 mi1.36 mi15952-1485394-1085394-10817591(Top 61%)6519(Top 52%)6519(Top 375%)
21M21.00 mi1.00 mi16032-805463-695463-6917787(Top 61%)6672(Top 53%)6672(Top 384%)
35K21.75 mi0.75 mi16043-115483-205483-2017043(Top 59%)6351(Top 50%)6351(Top 366%)
23M23.00 mi1.25 mi16063-205523-405523-4016823(Top 58%)6329(Top 50%)6329(Top 364%)
24M24.00 mi1.00 mi16071-85542-195542-1916515(Top 57%)6194(Top 49%)6194(Top 357%)
40K24.85 mi0.85 mi16592-5215850-3085850-30823829(Top 82%)10042(Top 80%)10042(Top 578%)
25.2M25.20 mi0.35 mi16579+135855-55855-516537(Top 57%)6255(Top 50%)6255(Top 360%)
FINISH26.22 mi1.02 mi16575+45868-135868-1317112(Top 59%)6576(Top 52%)6576(Top 379%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21
+97ft-345ft

Overall

14792

Females

4619

F40-44

4619

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16673

Females

5720

F40-44

5720

10K→15K

6.2 - 9.3 mi

Top 51%
×3
+67ft-78ft

Overall

14792

Females

4619

F40-44

4619

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15695

Females

5213

F40-44

5213

20K→HALF

12.4 - 13.1 mi

Top 54%
×2
+19ft-37ft

Overall

15630

Females

5130

F40-44

5130

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16110

Females

5495

F40-44

5495

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16779

Females

5980

F40-44

5980

30K→20M

18.6 - 20.0 mi

Top 61%
×5
+64ft-50ft

Overall

17591

Females

6519

F40-44

6519

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17787

Females

6672

F40-44

6672

21M→35K

21.0 - 21.8 mi

Top 59%
×7
+17ft-86ft

Overall

17043

Females

6351

F40-44

6351

35K→23M

21.8 - 23.0 mi

Top 58%
×5
+23ft-63ft

Overall

16823

Females

6329

F40-44

6329

23M→24M

23.0 - 24.0 mi

Top 57%
×6
+12ft-82ft

Overall

16515

Females

6194

F40-44

6194

24M→40K

24.0 - 24.9 mi

Top 82%
×1
+6ft-20ft

Overall

23829

Females

10042

F40-44

10042

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1
+13ft-16ft

Overall

16537

Females

6255

F40-44

6255

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17112

Females

6576

F40-44

6576

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1423*
Passed By
1773
Net Change
-1539
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15036
5K → 10K82200-781#15036#15817
10K → 15K447*69+378#15817#15439
15K → 20K163188-25#15439#15464
20K → HALF3623+13#15464#15451
HALF → 25K108200-112#15451#15563
25K → 30K133200-241#15563#15804
30K → 20M48196-148#15804#15952
20M → 21M80160-80#15952#16032
21M → 35K5667-11#16032#16043
35K → 23M97117-20#16043#16063
23M → 24M5664-8#16063#16071
24M → 40K11200-521#16071#16592
40K → 25.2M3926+13#16592#16579
25.2M → FINISH6763+4#16579#16575
TOTALS1423*1773-1539

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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