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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Heather Herren

Bib: 11643 •F •Age: N/A

RI

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 (F50-54)
#0 / 1233
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
33:30
3.11 mi
Rank: #27688
Start → 5K
33:30 | 10:47/mi
10K
1:07:28
6.21 mi
Rank: #27664 (+24)
5K → 10K
33:58 | 10:56/mi
15K
1:41:53
9.32 mi
Rank: #27614 (+50)
10K → 15K
34:25 | 11:05/mi
20K
2:19:46
12.43 mi
Rank: #27828 (-214)
15K → 20K
37:53 | 12:12/mi
HALF
2:27:28
13.11 mi
Rank: #27824 (+4)
20K → HALF
7:42 | 11:18/mi
25K
2:55:50
15.53 mi
Rank: #27713 (+111)
HALF → 25K
28:22 | 11:42/mi
30K
3:34:06
18.64 mi
Rank: #27615 (+98)
25K → 30K
38:16 | 12:20/mi
20M
3:51:43
20.00 mi
Rank: #27639 (-24)
30K → 20M
17:37 | 12:59/mi
21M
4:05:38
21.00 mi
Rank: #27644 (-5)
20M → 21M
13:55 | 13:55/mi
35K
4:14:38
21.75 mi
Rank: #27617 (+27)
21M → 35K
9:00 | 12:02/mi
23M
4:31:13
23.00 mi
Rank: #27627 (-10)
35K → 23M
16:35 | 13:16/mi
24M
4:42:59
24.00 mi
Rank: #27580 (+47)
23M → 24M
11:46 | 11:46/mi
40K
4:54:40
24.85 mi
Rank: #27601 (-21)
24M → 40K
11:41 | 13:40/mi
25.2M
4:59:32
25.20 mi
Rank: #27599 (+2)
40K → 25.2M
4:52 | 14:07/mi
FINISH
5:12:13
26.22 mi
Rank: #27608 (-9)
25.2M → FINISH
12:41 | 12:27/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:27:28
Pace11:15 /mi
2nd Half
Distance13.11 mi
Time2:44:45
Pace12:35 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4133:3010:4733:30
10:47
-
10K
6.21 mi11:27:391:07:2810:5233:58
10:56
+0:09
15K
9.32 mi12:02:041:41:5310:5634:25
11:05
+0:09
20K
12.43 mi12:39:572:19:4611:1537:53
12:12
+1:07
HALF
13.11 mi12:47:392:27:2811:157:42
11:18
-0:54
25K
15.53 mi13:16:012:55:5011:2028:22
11:42
+0:24
30K
18.64 mi13:54:173:34:0611:3038:16
12:20
+0:38
20M
20.00 mi14:11:543:51:4311:3617:37
12:59
+0:39
21M
21.00 mi14:25:494:05:3811:4213:55
13:55
+0:56
35K
21.75 mi14:34:494:14:3811:439:00
12:02
-1:53
23M
23.00 mi14:51:244:31:1311:4816:35
13:16
+1:14
24M
24.00 mi15:03:104:42:5911:4811:46
11:46
-1:30
40K
24.85 mi15:14:514:54:4011:5211:41
13:40
+1:54
25.2M
25.20 mi15:19:434:59:3211:544:52
14:07
+0:27
FINISH
26.22 mi15:32:245:12:1311:5512:41
12:27
-1:40

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

10:47 /mi

Average Pace

11:55 /mi

Slowest Pace

14:07 /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

1:49:35

35% of race

Time at Steady Pace

2:17:58

44% of race

Time at Slower Pace

1:04:40

21% of race

Average Pace: 11:54 /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 mi10:53:4133:3010:4733:30
10:47
#27688
10K
6.21 mi11:27:391:07:2810:5233:58
10:56
#27664
15K
9.32 mi12:02:041:41:5310:5634:25
11:05
#27614
20K
12.43 mi12:39:572:19:4611:1537:53
12:12
#27828
HALF
13.11 mi12:47:392:27:2811:157:42
11:18
#27824
25K
15.53 mi13:16:012:55:5011:2028:22
11:42
#27713
30K
18.64 mi13:54:173:34:0611:3038:16
12:20
#27615
20M
20.00 mi14:11:543:51:4311:3617:37
12:59
#27639
21M
21.00 mi14:25:494:05:3811:4213:55
13:55
#27644
35K
21.75 mi14:34:494:14:3811:439:00
12:02
#27617
23M
23.00 mi14:51:244:31:1311:4816:35
13:16
#27627
24M
24.00 mi15:03:104:42:5911:4811:46
11:46
#27580
40K
24.85 mi15:14:514:54:4011:5211:41
13:40
#27601
25.2M
25.20 mi15:19:434:59:3211:544:52
14:07
#27599
FINISH
26.22 mi15:32:245:12:1311:5512:41
12:27
#27608
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi27688116781167827518(Top 95%)11609(Top 92%)11609(Top 942%)
10K6.21 mi3.10 mi27664+2411676+211676+227593(Top 95%)11655(Top 93%)11655(Top 945%)
15K9.32 mi3.11 mi27614+5011662+1411662+1427518(Top 95%)11609(Top 92%)11609(Top 942%)
20K12.43 mi3.11 mi27828-21411795-13311795-13328164(Top 97%)12021(Top 96%)12021(Top 975%)
HALF13.11 mi0.68 mi27824+411796-111796-127687(Top 95%)11757(Top 93%)11757(Top 954%)
25K15.53 mi2.42 mi27713+11111733+6311733+6327243(Top 94%)11505(Top 91%)11505(Top 933%)
30K18.64 mi3.11 mi27615+9811695+3811695+3827147(Top 94%)11537(Top 92%)11537(Top 936%)
20M20.00 mi1.36 mi27639-2411720-2511720-2527401(Top 94%)11698(Top 93%)11698(Top 949%)
21M21.00 mi1.00 mi27644-511729-911729-927261(Top 94%)11683(Top 93%)11683(Top 948%)
35K21.75 mi0.75 mi27617+2711721+811721+826771(Top 92%)11447(Top 91%)11447(Top 928%)
23M23.00 mi1.25 mi27627-1011731-1011731-1027595(Top 95%)11860(Top 94%)11860(Top 962%)
24M24.00 mi1.00 mi27580+4711713+1811713+1826314(Top 91%)11277(Top 90%)11277(Top 915%)
40K24.85 mi0.85 mi27601-2111733-2011733-2027647(Top 95%)11939(Top 95%)11939(Top 968%)
25.2M25.20 mi0.35 mi27599+211732+111732+127310(Top 94%)11792(Top 94%)11792(Top 956%)
FINISH26.22 mi1.02 mi27608-911746-1411746-1427849(Top 96%)12045(Top 96%)12045(Top 977%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21
+97ft-345ft

Overall

27518

Females

11609

F50-54

11609

5K→10K

3.1 - 6.2 mi

Top 95%
×5
+79ft-138ft

Overall

27593

Females

11655

F50-54

11655

10K→15K

6.2 - 9.3 mi

Top 95%
×3
+67ft-78ft

Overall

27518

Females

11609

F50-54

11609

15K→20K

9.3 - 12.4 mi

Top 97%
×5
+106ft-86ft

Overall

28164

Females

12021

F50-54

12021

20K→HALF

12.4 - 13.1 mi

Top 95%
×2
+19ft-37ft

Overall

27687

Females

11757

F50-54

11757

HALF→25K

13.1 - 15.5 mi

Top 94%
×4
+66ft-88ft

Overall

27243

Females

11505

F50-54

11505

25K→30K

15.5 - 18.6 mi

Top 94%
×9
+181ft-148ft

Overall

27147

Females

11537

F50-54

11537

30K→20M

18.6 - 20.0 mi

Top 94%
×5
+64ft-50ft

Overall

27401

Females

11698

F50-54

11698

20M→21M

20.0 - 21.0 mi

Top 94%
×8
+106ft-24ft

Overall

27261

Females

11683

F50-54

11683

21M→35K

21.0 - 21.8 mi

Top 92%
×7
+17ft-86ft

Overall

26771

Females

11447

F50-54

11447

35K→23M

21.8 - 23.0 mi

Top 95%
×5
+23ft-63ft

Overall

27595

Females

11860

F50-54

11860

23M→24M

23.0 - 24.0 mi

Top 91%
×6
+12ft-82ft

Overall

26314

Females

11277

F50-54

11277

24M→40K

24.0 - 24.9 mi

Top 95%
×1
+6ft-20ft

Overall

27647

Females

11939

F50-54

11939

40K→25.2M

24.9 - 25.2 mi

Top 94%
×1
+13ft-16ft

Overall

27310

Females

11792

F50-54

11792

25.2M→FINISH

25.2 - 26.2 mi

Top 96%
×2
+22ft-21ft

Overall

27849

Females

12045

F50-54

12045

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
825
Passed By
708
Net Change
+80
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27688
5K → 10K168144+24#27688#27664
10K → 15K151101+50#27664#27614
15K → 20K23200-214#27614#27828
20K → HALF1814+4#27828#27824
HALF → 25K13019+111#27824#27713
25K → 30K13032+98#27713#27615
30K → 20M2549-24#27615#27639
20M → 21M2934-5#27639#27644
21M → 35K358+27#27644#27617
35K → 23M2434-10#27617#27627
23M → 24M492+47#27627#27580
24M → 40K1435-21#27580#27601
40K → 25.2M108+2#27601#27599
25.2M → FINISH1928-9#27599#27608
TOTALS825708+80
📊

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

Activity Data

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