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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Jennifer Brown

Bib: 33501 •F •Age: N/A

IA

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
38:47
3.11 mi
Rank: #28921
Start → 5K
38:47 | 12:29/mi
10K
1:13:25
6.21 mi
Rank: #28617 (+304)
5K → 10K
34:38 | 11:09/mi
15K
1:48:50
9.32 mi
Rank: #28389 (+228)
10K → 15K
35:25 | 11:24/mi
20K
2:24:49
12.43 mi
Rank: #28237 (+152)
15K → 20K
35:59 | 11:35/mi
HALF
2:32:41
13.11 mi
Rank: #28225 (+12)
20K → HALF
7:52 | 11:33/mi
25K
3:00:55
15.53 mi
Rank: #28065 (+160)
HALF → 25K
28:14 | 11:39/mi
30K
3:40:38
18.64 mi
Rank: #27973 (+92)
25K → 30K
39:43 | 12:48/mi
20M
3:59:47
20.00 mi
Rank: #27989 (-16)
30K → 20M
19:09 | 14:06/mi
21M
4:14:07
21.00 mi
Rank: #27986 (+3)
20M → 21M
14:20 | 14:20/mi
35K
4:23:49
21.75 mi
Rank: #27986
21M → 35K
9:42 | 12:58/mi
23M
4:39:31
23.00 mi
Rank: #27947 (+39)
35K → 23M
15:42 | 12:33/mi
24M
4:52:46
24.00 mi
Rank: #27945 (+2)
23M → 24M
13:15 | 13:15/mi
40K
5:05:01
24.85 mi
Rank: #27955 (-10)
24M → 40K
12:15 | 14:20/mi
25.2M
5:10:20
25.20 mi
Rank: #27971 (-16)
40K → 25.2M
5:19 | 15:26/mi
FINISH
5:22:50
26.22 mi
Rank: #27961 (+10)
25.2M → FINISH
12:30 | 12:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:32:41
Pace11:39 /mi
2nd Half
Distance13.11 mi
Time2:50:09
Pace12:59 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:10:1538:4712:2938:47
12:29
-
10K
6.21 mi12:44:531:13:2511:4934:38
11:09
-1:20
15K
9.32 mi13:20:181:48:5011:4135:25
11:24
+0:15
20K
12.43 mi13:56:172:24:4911:4035:59
11:35
+0:11
HALF
13.11 mi14:04:092:32:4111:397:52
11:33
-0:02
25K
15.53 mi14:32:233:00:5511:3928:14
11:39
+0:06
30K
18.64 mi15:12:063:40:3811:5139:43
12:48
+1:09
20M
20.00 mi15:31:153:59:4712:0019:09
14:06
+1:18
21M
21.00 mi15:45:354:14:0712:0714:20
14:20
+0:14
35K
21.75 mi15:55:174:23:4912:089:42
12:58
-1:22
23M
23.00 mi16:10:594:39:3112:1015:42
12:33
-0:25
24M
24.00 mi16:24:144:52:4612:1213:15
13:15
+0:42
40K
24.85 mi16:36:295:05:0112:1712:15
14:20
+1:05
25.2M
25.20 mi16:41:485:10:2012:195:19
15:26
+1:06
FINISH
26.22 mi16:54:185:22:5012:2012:30
12:16
-3:10

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

11:09 /mi

Average Pace

12:19 /mi

Slowest Pace

15:26 /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

2:22:08

44% of race

Time at Steady Pace

1:56:24

36% of race

Time at Slower Pace

1:04:18

20% of race

Average Pace: 12:19 /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 mi12:10:1538:4712:2938:47
12:29
#28921
10K
6.21 mi12:44:531:13:2511:4934:38
11:09
#28617
15K
9.32 mi13:20:181:48:5011:4135:25
11:24
#28389
20K
12.43 mi13:56:172:24:4911:4035:59
11:35
#28237
HALF
13.11 mi14:04:092:32:4111:397:52
11:33
#28225
25K
15.53 mi14:32:233:00:5511:3928:14
11:39
#28065
30K
18.64 mi15:12:063:40:3811:5139:43
12:48
#27973
20M
20.00 mi15:31:153:59:4712:0019:09
14:06
#27989
21M
21.00 mi15:45:354:14:0712:0714:20
14:20
#27986
35K
21.75 mi15:55:174:23:4912:089:42
12:58
#27986
23M
23.00 mi16:10:594:39:3112:1015:42
12:33
#27947
24M
24.00 mi16:24:144:52:4612:1213:15
13:15
#27945
40K
24.85 mi16:36:295:05:0112:1712:15
14:20
#27955
25.2M
25.20 mi16:41:485:10:2012:195:19
15:26
#27971
FINISH
26.22 mi16:54:185:22:5012:2012:30
12:16
#27961
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 mi28921125121251227878(Top 96%)11839(Top 94%)11839(Top 682%)
10K6.21 mi3.10 mi28617+30412300+21212300+21227859(Top 96%)11829(Top 94%)11829(Top 681%)
15K9.32 mi3.11 mi28389+22812153+14712153+14727878(Top 96%)11839(Top 94%)11839(Top 682%)
20K12.43 mi3.11 mi28237+15212044+10912044+10927657(Top 95%)11717(Top 93%)11717(Top 675%)
HALF13.11 mi0.68 mi28225+1212039+512039+527916(Top 96%)11907(Top 95%)11907(Top 685%)
25K15.53 mi2.42 mi28065+16011953+8611953+8627180(Top 94%)11469(Top 91%)11469(Top 660%)
30K18.64 mi3.11 mi27973+9211905+4811905+4827546(Top 95%)11752(Top 93%)11752(Top 677%)
20M20.00 mi1.36 mi27989-1611921-1611921-1628185(Top 97%)12140(Top 97%)12140(Top 699%)
21M21.00 mi1.00 mi27986+311923-211923-227603(Top 95%)11855(Top 94%)11855(Top 682%)
35K21.75 mi0.75 mi2798611926-311926-327691(Top 95%)11922(Top 95%)11922(Top 686%)
23M23.00 mi1.25 mi27947+3911908+1811908+1826842(Top 92%)11506(Top 91%)11506(Top 662%)
24M24.00 mi1.00 mi27945+211911-311911-327837(Top 96%)12035(Top 96%)12035(Top 693%)
40K24.85 mi0.85 mi27955-1011921-1011921-1028112(Top 97%)12168(Top 97%)12168(Top 701%)
25.2M25.20 mi0.35 mi27971-1611929-811929-828161(Top 97%)12213(Top 97%)12213(Top 703%)
FINISH26.22 mi1.02 mi27961+1011933-411933-427712(Top 95%)11977(Top 95%)11977(Top 690%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21
+97ft-345ft

Overall

27878

Females

11839

F40-44

11839

5K→10K

3.1 - 6.2 mi

Top 96%
×5
+79ft-138ft

Overall

27859

Females

11829

F40-44

11829

10K→15K

6.2 - 9.3 mi

Top 96%
×3
+67ft-78ft

Overall

27878

Females

11839

F40-44

11839

15K→20K

9.3 - 12.4 mi

Top 95%
×5
+106ft-86ft

Overall

27657

Females

11717

F40-44

11717

20K→HALF

12.4 - 13.1 mi

Top 96%
×2
+19ft-37ft

Overall

27916

Females

11907

F40-44

11907

HALF→25K

13.1 - 15.5 mi

Top 94%
×4
+66ft-88ft

Overall

27180

Females

11469

F40-44

11469

25K→30K

15.5 - 18.6 mi

Top 95%
×9
+181ft-148ft

Overall

27546

Females

11752

F40-44

11752

30K→20M

18.6 - 20.0 mi

Top 97%
×5
+64ft-50ft

Overall

28185

Females

12140

F40-44

12140

20M→21M

20.0 - 21.0 mi

Top 95%
×8
+106ft-24ft

Overall

27603

Females

11855

F40-44

11855

21M→35K

21.0 - 21.8 mi

Top 95%
×7
+17ft-86ft

Overall

27691

Females

11922

F40-44

11922

35K→23M

21.8 - 23.0 mi

Top 92%
×5
+23ft-63ft

Overall

26842

Females

11506

F40-44

11506

23M→24M

23.0 - 24.0 mi

Top 96%
×6
+12ft-82ft

Overall

27837

Females

12035

F40-44

12035

24M→40K

24.0 - 24.9 mi

Top 97%
×1
+6ft-20ft

Overall

28112

Females

12168

F40-44

12168

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1
+13ft-16ft

Overall

28161

Females

12213

F40-44

12213

25.2M→FINISH

25.2 - 26.2 mi

Top 95%
×2
+22ft-21ft

Overall

27712

Females

11977

F40-44

11977

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1149*
Passed By
189
Net Change
+960
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28921
5K → 10K304*0+304#28921#28617
10K → 15K233*5+228#28617#28389
15K → 20K1564+152#28389#28237
20K → HALF208+12#28237#28225
HALF → 25K1611+160#28225#28065
25K → 30K11624+92#28065#27973
30K → 20M1935-16#27973#27989
20M → 21M2017+3#27989#27986
21M → 35K13130#27986#27986
35K → 23M467+39#27986#27947
23M → 24M1917+2#27947#27945
24M → 40K1424-10#27945#27955
40K → 25.2M319-16#27955#27971
25.2M → FINISH2515+10#27971#27961
TOTALS1149*189+960

* 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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