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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Brienne Marshall

Bib: 28190 •F •Age: N/A

MA

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 (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
26:55
3.11 mi
Rank: #21006
Start → 5K
26:55 | 8:40/mi
10K
53:28
6.21 mi
Rank: #20787 (+219)
5K → 10K
26:33 | 8:33/mi
15K
1:20:23
9.32 mi
Rank: #20884 (-97)
10K → 15K
26:55 | 8:40/mi
20K
1:47:54
12.43 mi
Rank: #20960 (-76)
15K → 20K
27:31 | 8:52/mi
HALF
1:53:56
13.11 mi
Rank: #21008 (-48)
20K → HALF
6:02 | 8:52/mi
25K
2:16:27
15.53 mi
Rank: #21247 (-239)
HALF → 25K
22:31 | 9:18/mi
30K
2:46:00
18.64 mi
Rank: #21336 (-89)
25K → 30K
29:33 | 9:31/mi
20M
2:59:10
20.00 mi
Rank: #21363 (-27)
30K → 20M
13:10 | 9:42/mi
21M
3:09:14
21.00 mi
Rank: #21331 (+32)
20M → 21M
10:04 | 10:04/mi
35K
3:16:08
21.75 mi
Rank: #21313 (+18)
21M → 35K
6:54 | 9:14/mi
23M
3:28:01
23.00 mi
Rank: #21285 (+28)
35K → 23M
11:53 | 9:30/mi
24M
3:37:12
24.00 mi
Rank: #21250 (+35)
23M → 24M
9:11 | 9:11/mi
40K
3:45:17
24.85 mi
Rank: #21217 (+33)
24M → 40K
8:05 | 9:28/mi
25.2M
3:48:43
25.20 mi
Rank: #21191 (+26)
40K → 25.2M
3:26 | 9:58/mi
FINISH
3:57:57
26.22 mi
Rank: #21188 (+3)
25.2M → FINISH
9:14 | 9:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:53:56
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:04:01
Pace9:28 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:0026:558:4026:55
8:40
-
10K
6.21 mi12:15:3353:288:3726:33
8:33
-0:07
15K
9.32 mi12:42:281:20:238:3826:55
8:40
+0:07
20K
12.43 mi13:09:591:47:548:4127:31
8:52
+0:12
HALF
13.11 mi13:16:011:53:568:426:02
8:52
0:00
25K
15.53 mi13:38:322:16:278:4822:31
9:18
+0:26
30K
18.64 mi14:08:052:46:008:5529:33
9:31
+0:13
20M
20.00 mi14:21:152:59:108:5813:10
9:42
+0:11
21M
21.00 mi14:31:193:09:149:0110:04
10:04
+0:22
35K
21.75 mi14:38:133:16:089:026:54
9:14
-0:50
23M
23.00 mi14:50:063:28:019:0311:53
9:30
+0:16
24M
24.00 mi14:59:173:37:129:049:11
9:11
-0:19
40K
24.85 mi15:07:223:45:179:048:05
9:28
+0:17
25.2M
25.20 mi15:10:483:48:439:053:26
9:58
+0:30
FINISH
26.22 mi15:20:023:57:579:059:14
9:04
-0:54

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

8:33 /mi

Average Pace

9:05 /mi

Slowest Pace

10:04 /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

2:41:46

68% of race

Time at Steady Pace

1:16:11

32% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:05 /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 mi11:49:0026:558:4026:55
8:40
#21006
10K
6.21 mi12:15:3353:288:3726:33
8:33
#20787
15K
9.32 mi12:42:281:20:238:3826:55
8:40
#20884
20K
12.43 mi13:09:591:47:548:4127:31
8:52
#20960
HALF
13.11 mi13:16:011:53:568:426:02
8:52
#21008
25K
15.53 mi13:38:322:16:278:4822:31
9:18
#21247
30K
18.64 mi14:08:052:46:008:5529:33
9:31
#21336
20M
20.00 mi14:21:152:59:108:5813:10
9:42
#21363
21M
21.00 mi14:31:193:09:149:0110:04
10:04
#21331
35K
21.75 mi14:38:133:16:089:026:54
9:14
#21313
23M
23.00 mi14:50:063:28:019:0311:53
9:30
#21285
24M
24.00 mi14:59:173:37:129:049:11
9:11
#21250
40K
24.85 mi15:07:223:45:179:048:05
9:28
#21217
25.2M
25.20 mi15:10:483:48:439:053:26
9:58
#21191
FINISH
26.22 mi15:20:023:57:579:059:14
9:04
#21188
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 mi210068172817221021(Top 72%)8136(Top 65%)8136(Top 468%)
10K6.21 mi3.10 mi20787+2198039+1338039+13320602(Top 71%)7921(Top 63%)7921(Top 456%)
15K9.32 mi3.11 mi20884-978074-358074-3521021(Top 72%)8136(Top 65%)8136(Top 468%)
20K12.43 mi3.11 mi20960-768130-568130-5621268(Top 73%)8275(Top 66%)8275(Top 476%)
HALF13.11 mi0.68 mi21008-488154-248154-2422079(Top 76%)8669(Top 69%)8669(Top 499%)
25K15.53 mi2.42 mi21247-2398289-1358289-13522355(Top 77%)8858(Top 70%)8858(Top 510%)
30K18.64 mi3.11 mi21336-898339-508339-5021681(Top 75%)8611(Top 68%)8611(Top 496%)
20M20.00 mi1.36 mi21363-278376-378376-3721712(Top 75%)8701(Top 69%)8701(Top 501%)
21M21.00 mi1.00 mi21331+328365+118365+1120667(Top 71%)8196(Top 65%)8196(Top 472%)
35K21.75 mi0.75 mi21313+188370-58370-520902(Top 72%)8395(Top 67%)8395(Top 483%)
23M23.00 mi1.25 mi21285+288356+148356+1420604(Top 71%)8261(Top 66%)8261(Top 476%)
24M24.00 mi1.00 mi21250+358358-28358-220228(Top 70%)8166(Top 65%)8166(Top 470%)
40K24.85 mi0.85 mi21217+338351+78351+720232(Top 70%)8186(Top 65%)8186(Top 471%)
25.2M25.20 mi0.35 mi21191+268342+98342+919313(Top 67%)7736(Top 62%)7736(Top 445%)
FINISH26.22 mi1.02 mi21188+38348-68348-620787(Top 72%)8466(Top 67%)8466(Top 487%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

21021

Females

8136

F40-44

8136

5K→10K

3.1 - 6.2 mi

Top 71%
×5
+79ft-138ft

Overall

20602

Females

7921

F40-44

7921

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

21021

Females

8136

F40-44

8136

15K→20K

9.3 - 12.4 mi

Top 73%
×5
+106ft-86ft

Overall

21268

Females

8275

F40-44

8275

20K→HALF

12.4 - 13.1 mi

Top 76%
×2
+19ft-37ft

Overall

22079

Females

8669

F40-44

8669

HALF→25K

13.1 - 15.5 mi

Top 77%
×4
+66ft-88ft

Overall

22355

Females

8858

F40-44

8858

25K→30K

15.5 - 18.6 mi

Top 75%
×9
+181ft-148ft

Overall

21681

Females

8611

F40-44

8611

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21712

Females

8701

F40-44

8701

20M→21M

20.0 - 21.0 mi

Top 71%
×8
+106ft-24ft

Overall

20667

Females

8196

F40-44

8196

21M→35K

21.0 - 21.8 mi

Top 72%
×7
+17ft-86ft

Overall

20902

Females

8395

F40-44

8395

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20604

Females

8261

F40-44

8261

23M→24M

23.0 - 24.0 mi

Top 70%
×6
+12ft-82ft

Overall

20228

Females

8166

F40-44

8166

24M→40K

24.0 - 24.9 mi

Top 70%
×1
+6ft-20ft

Overall

20232

Females

8186

F40-44

8186

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19313

Females

7736

F40-44

7736

25.2M→FINISH

25.2 - 26.2 mi

Top 72%
×2
+22ft-21ft

Overall

20787

Females

8466

F40-44

8466

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1468*
Passed By
1449
Net Change
-182
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21006
5K → 10K412*193+219#21006#20787
10K → 15K158200-97#20787#20884
15K → 20K143200-76#20884#20960
20K → HALF1462-48#20960#21008
HALF → 25K62200-239#21008#21247
25K → 30K137200-89#21247#21336
30K → 20M87114-27#21336#21363
20M → 21M8553+32#21363#21331
21M → 35K5638+18#21331#21313
35K → 23M8658+28#21313#21285
23M → 24M7540+35#21285#21250
24M → 40K5724+33#21250#21217
40K → 25.2M4014+26#21217#21191
25.2M → FINISH5653+3#21191#21188
TOTALS1468*1449-182

* 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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