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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Joanne Chamberlain

Bib: 30355 •F •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Top 40%
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
26:13
3.11 mi
Rank: #19735
Start → 5K
26:13 | 8:27/mi
10K
52:09
6.21 mi
Rank: #19588 (+147)
5K → 10K
25:56 | 8:21/mi
15K
1:17:46
9.32 mi
Rank: #19255 (+333)
10K → 15K
25:37 | 8:15/mi
20K
1:43:33
12.43 mi
Rank: #18958 (+297)
15K → 20K
25:47 | 8:18/mi
HALF
1:49:10
13.11 mi
Rank: #18941 (+17)
20K → HALF
5:37 | 8:15/mi
25K
2:09:20
15.53 mi
Rank: #18683 (+258)
HALF → 25K
20:10 | 8:19/mi
30K
2:35:45
18.64 mi
Rank: #18361 (+322)
25K → 30K
26:25 | 8:31/mi
20M
2:47:17
20.00 mi
Rank: #18188 (+173)
30K → 20M
11:32 | 8:30/mi
21M
2:56:20
21.00 mi
Rank: #18055 (+133)
20M → 21M
9:03 | 9:03/mi
35K
3:02:39
21.75 mi
Rank: #18018 (+37)
21M → 35K
6:19 | 8:27/mi
23M
3:13:24
23.00 mi
Rank: #17883 (+135)
35K → 23M
10:45 | 8:36/mi
24M
3:21:42
24.00 mi
Rank: #17797 (+86)
23M → 24M
8:18 | 8:18/mi
40K
3:28:55
24.85 mi
Rank: #17679 (+118)
24M → 40K
7:13 | 8:27/mi
25.2M
3:32:02
25.20 mi
Rank: #17609 (+70)
40K → 25.2M
3:07 | 9:03/mi
FINISH
3:40:29
26.22 mi
Rank: #17586 (+23)
25.2M → FINISH
8:27 | 8:18/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:10
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time1:51:19
Pace8:30 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:2426:138:2726:13
8:27
-
10K
6.21 mi12:17:2052:098:2425:56
8:21
-0:06
15K
9.32 mi12:42:571:17:468:2125:37
8:15
-0:06
20K
12.43 mi13:08:441:43:338:2025:47
8:18
+0:03
HALF
13.11 mi13:14:211:49:108:205:37
8:15
-0:03
25K
15.53 mi13:34:312:09:208:2020:10
8:19
+0:04
30K
18.64 mi14:00:562:35:458:2226:25
8:31
+0:12
20M
20.00 mi14:12:282:47:178:2211:32
8:30
-0:01
21M
21.00 mi14:21:312:56:208:249:03
9:03
+0:33
35K
21.75 mi14:27:503:02:398:246:19
8:27
-0:36
23M
23.00 mi14:38:353:13:248:2510:45
8:36
+0:09
24M
24.00 mi14:46:533:21:428:258:18
8:18
-0:18
40K
24.85 mi14:54:063:28:558:257:13
8:27
+0:09
25.2M
25.20 mi14:57:133:32:028:253:07
9:03
+0:36
FINISH
26.22 mi15:05:403:40:298:258:27
8:18
-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

8:15 /mi

Average Pace

8:25 /mi

Slowest Pace

9:03 /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

3:28:19

94% of race

Time at Steady Pace

12:10

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:25 /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 mi11:51:2426:138:2726:13
8:27
#19735
10K
6.21 mi12:17:2052:098:2425:56
8:21
#19588
15K
9.32 mi12:42:571:17:468:2125:37
8:15
#19255
20K
12.43 mi13:08:441:43:338:2025:47
8:18
#18958
HALF
13.11 mi13:14:211:49:108:205:37
8:15
#18941
25K
15.53 mi13:34:312:09:208:2020:10
8:19
#18683
30K
18.64 mi14:00:562:35:458:2226:25
8:31
#18361
20M
20.00 mi14:12:282:47:178:2211:32
8:30
#18188
21M
21.00 mi14:21:312:56:208:249:03
9:03
#18055
35K
21.75 mi14:27:503:02:398:246:19
8:27
#18018
23M
23.00 mi14:38:353:13:248:2510:45
8:36
#17883
24M
24.00 mi14:46:533:21:428:258:18
8:18
#17797
40K
24.85 mi14:54:063:28:558:257:13
8:27
#17679
25.2M
25.20 mi14:57:133:32:028:253:07
9:03
#17609
FINISH
26.22 mi15:05:403:40:298:258:27
8:18
#17586
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 mi197357489748918651(Top 64%)6839(Top 54%)6839(Top 394%)
10K6.21 mi3.10 mi19588+1477397+927397+9219473(Top 67%)7299(Top 58%)7299(Top 420%)
15K9.32 mi3.11 mi19255+3337195+2027195+20218651(Top 64%)6839(Top 54%)6839(Top 394%)
20K12.43 mi3.11 mi18958+2977037+1587037+15818095(Top 62%)6570(Top 52%)6570(Top 378%)
HALF13.11 mi0.68 mi18941+177032+57032+518655(Top 64%)6845(Top 54%)6845(Top 394%)
25K15.53 mi2.42 mi18683+2586885+1476885+14717532(Top 60%)6298(Top 50%)6298(Top 363%)
30K18.64 mi3.11 mi18361+3226739+1466739+14616950(Top 58%)6074(Top 48%)6074(Top 350%)
20M20.00 mi1.36 mi18188+1736669+706669+7016183(Top 56%)5754(Top 46%)5754(Top 331%)
21M21.00 mi1.00 mi18055+1336615+546615+5416403(Top 57%)5920(Top 47%)5920(Top 341%)
35K21.75 mi0.75 mi18018+376603+126603+1217309(Top 60%)6517(Top 52%)6517(Top 375%)
23M23.00 mi1.25 mi17883+1356556+476556+4716286(Top 56%)6010(Top 48%)6010(Top 346%)
24M24.00 mi1.00 mi17797+866519+376519+3715719(Top 54%)5744(Top 46%)5744(Top 331%)
40K24.85 mi0.85 mi17679+1186463+566463+5615333(Top 53%)5622(Top 45%)5622(Top 324%)
25.2M25.20 mi0.35 mi17609+706435+286435+2815046(Top 52%)5496(Top 44%)5496(Top 316%)
FINISH26.22 mi1.02 mi17586+236447-126447-1217023(Top 59%)6531(Top 52%)6531(Top 376%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18651

Females

6839

F40-44

6839

5K→10K

3.1 - 6.2 mi

Top 67%
×5
+79ft-138ft

Overall

19473

Females

7299

F40-44

7299

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18651

Females

6839

F40-44

6839

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

18095

Females

6570

F40-44

6570

20K→HALF

12.4 - 13.1 mi

Top 64%
×2
+19ft-37ft

Overall

18655

Females

6845

F40-44

6845

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17532

Females

6298

F40-44

6298

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16950

Females

6074

F40-44

6074

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16183

Females

5754

F40-44

5754

20M→21M

20.0 - 21.0 mi

Top 57%
×8
+106ft-24ft

Overall

16403

Females

5920

F40-44

5920

21M→35K

21.0 - 21.8 mi

Top 60%
×7
+17ft-86ft

Overall

17309

Females

6517

F40-44

6517

35K→23M

21.8 - 23.0 mi

Top 56%
×5
+23ft-63ft

Overall

16286

Females

6010

F40-44

6010

23M→24M

23.0 - 24.0 mi

Top 54%
×6
+12ft-82ft

Overall

15719

Females

5744

F40-44

5744

24M→40K

24.0 - 24.9 mi

Top 53%
×1
+6ft-20ft

Overall

15333

Females

5622

F40-44

5622

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

15046

Females

5496

F40-44

5496

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17023

Females

6531

F40-44

6531

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2735*
Passed By
586
Net Change
+2149
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19735
5K → 10K347*200+147#19735#19588
10K → 15K396*63+333#19588#19255
15K → 20K325*28+297#19255#18958
20K → HALF3922+17#18958#18941
HALF → 25K291*33+258#18941#18683
25K → 30K354*32+322#18683#18361
30K → 20M19219+173#18361#18188
20M → 21M15320+133#18188#18055
21M → 35K6124+37#18055#18018
35K → 23M16833+135#18018#17883
23M → 24M11428+86#17883#17797
24M → 40K14123+118#17797#17679
40K → 25.2M766+70#17679#17609
25.2M → FINISH7855+23#17609#17586
TOTALS2735*586+2149

* 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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