Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Claire Cohen

Bib: 20520 β€’F β€’Age: N/A

OH

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 (F45-49)
#0 / 1786
Race Day Weather
51Β°/41Β°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
25:10
3.11 mi
Rank: #17625
Start β†’ 5K
25:10 | 8:07/mi
10K
51:25
6.21 mi
Rank: #18881 (-1256)
5K β†’ 10K
26:15 | 8:28/mi
15K
1:17:41
9.32 mi
Rank: #19200 (-319)
10K β†’ 15K
26:15 | 8:28/mi
20K
1:43:56
12.43 mi
Rank: #19161 (+39)
15K β†’ 20K
26:15 | 8:28/mi
HALF
1:49:42
13.11 mi
Rank: #19196 (-35)
20K β†’ HALF
5:46 | 8:28/mi
25K
2:11:09
15.53 mi
Rank: #19411 (-215)
HALF β†’ 25K
21:27 | 8:51/mi
30K
2:40:07
18.64 mi
Rank: #19730 (-319)
25K β†’ 30K
28:58 | 9:20/mi
20M
2:52:47
20.00 mi
Rank: #19784 (-54)
30K β†’ 20M
12:40 | 9:20/mi
21M
3:02:07
21.00 mi
Rank: #19665 (+119)
20M β†’ 21M
9:20 | 9:20/mi
35K
3:08:52
21.75 mi
Rank: #19685 (-20)
21M β†’ 35K
6:45 | 9:02/mi
23M
3:20:37
23.00 mi
Rank: #19733 (-48)
35K β†’ 23M
11:45 | 9:24/mi
24M
3:29:40
24.00 mi
Rank: #19730 (+3)
23M β†’ 24M
9:03 | 9:03/mi
40K
3:37:36
24.85 mi
Rank: #19732 (-2)
24M β†’ 40K
7:56 | 9:17/mi
25.2M
3:41:00
25.20 mi
Rank: #19735 (-3)
40K β†’ 25.2M
3:24 | 9:52/mi
FINISH
3:49:58
26.22 mi
Rank: #19731 (+4)
25.2M β†’ FINISH
8:58 | 8:48/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
Time1:49:42
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:00:16
Pace9:11 /mi
πŸ“ŠPositive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:09:4825:108:0725:10
8:07
-
10K
6.21 mi11:36:0351:258:1726:15
8:28
+0:21
15K
9.32 mi12:02:181:17:418:2126:15
8:28
0:00
20K
12.43 mi12:28:341:43:568:2226:15
8:28
0:00
HALF
13.11 mi12:34:201:49:428:235:46
8:28
0:00
25K
15.53 mi12:55:472:11:098:2721:27
8:51
+0:23
30K
18.64 mi13:24:452:40:078:3628:58
9:20
+0:29
20M
20.00 mi13:37:252:52:478:3912:40
9:20
0:00
21M
21.00 mi13:46:453:02:078:419:20
9:20
0:00
35K
21.75 mi13:53:303:08:528:426:45
9:02
-0:18
23M
23.00 mi14:05:153:20:378:4411:45
9:24
+0:22
24M
24.00 mi14:14:183:29:408:459:03
9:03
-0:21
40K
24.85 mi14:22:143:37:368:467:56
9:17
+0:14
25.2M
25.20 mi14:25:383:41:008:473:24
9:52
+0:35
FINISH
26.22 mi14:34:363:49:588:478:58
8:48
-1:04

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

8:07 /mi

Average Pace

8:47 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:49:42

48% of race

Time at Steady Pace

46:13

20% of race

Time at Slower Pace

1:14:03

32% of race

Average Pace: 8:46 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi11:09:4825:108:0725:10
8:07
#17625
10K
6.21 mi11:36:0351:258:1726:15
8:28
#18881
15K
9.32 mi12:02:181:17:418:2126:15
8:28
#19200
20K
12.43 mi12:28:341:43:568:2226:15
8:28
#19161
HALF
13.11 mi12:34:201:49:428:235:46
8:28
#19196
25K
15.53 mi12:55:472:11:098:2721:27
8:51
#19411
30K
18.64 mi13:24:452:40:078:3628:58
9:20
#19730
20M
20.00 mi13:37:252:52:478:3912:40
9:20
#19784
21M
21.00 mi13:46:453:02:078:419:20
9:20
#19665
35K
21.75 mi13:53:303:08:528:426:45
9:02
#19685
23M
23.00 mi14:05:153:20:378:4411:45
9:24
#19733
24M
24.00 mi14:14:183:29:408:459:03
9:03
#19730
40K
24.85 mi14:22:143:37:368:467:56
9:17
#19732
25.2M
25.20 mi14:25:383:41:008:473:24
9:52
#19735
FINISH
26.22 mi14:34:363:49:588:478:58
8:48
#19731
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi176256289628919853(Top 68%)7511(Top 60%)7511(Top 421%)
10K6.21 mi3.10 mi18881-12567003-7147003-71420090(Top 69%)7650(Top 61%)7650(Top 428%)
15K9.32 mi3.11 mi19200-3197166-1637166-16319853(Top 68%)7511(Top 60%)7511(Top 421%)
20K12.43 mi3.11 mi19161+397147+197147+1919013(Top 66%)7072(Top 56%)7072(Top 396%)
HALF13.11 mi0.68 mi19196-357169-227169-2219950(Top 69%)7575(Top 60%)7575(Top 424%)
25K15.53 mi2.42 mi19411-2157296-1277296-12720446(Top 70%)7889(Top 63%)7889(Top 442%)
30K18.64 mi3.11 mi19730-3197509-2137509-21321044(Top 73%)8286(Top 66%)8286(Top 464%)
20M20.00 mi1.36 mi19784-547562-537562-5320348(Top 70%)8002(Top 64%)8002(Top 448%)
21M21.00 mi1.00 mi19665+1197514+487514+4817739(Top 61%)6659(Top 53%)6659(Top 373%)
35K21.75 mi0.75 mi19685-207531-177531-1720133(Top 69%)8005(Top 64%)8005(Top 448%)
23M23.00 mi1.25 mi19733-487584-537584-5320211(Top 70%)8071(Top 64%)8071(Top 452%)
24M24.00 mi1.00 mi19730+37593-97593-919689(Top 68%)7895(Top 63%)7895(Top 442%)
40K24.85 mi0.85 mi19732-27603-107603-1019604(Top 68%)7878(Top 63%)7878(Top 441%)
25.2M25.20 mi0.35 mi19735-37611-87611-818914(Top 65%)7515(Top 60%)7515(Top 421%)
FINISH26.22 mi1.02 mi19731+47621-107621-1019654(Top 68%)7909(Top 63%)7909(Top 443%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
Γ—21
+97ft-345ft

Overall

19853

Females

7511

F45-49

7511

5K→10K

3.1 - 6.2 mi

Top 69%
Γ—5
+79ft-138ft

Overall

20090

Females

7650

F45-49

7650

10K→15K

6.2 - 9.3 mi

Top 68%
Γ—3
+67ft-78ft

Overall

19853

Females

7511

F45-49

7511

15K→20K

9.3 - 12.4 mi

Top 66%
Γ—5
+106ft-86ft

Overall

19013

Females

7072

F45-49

7072

20K→HALF

12.4 - 13.1 mi

Top 69%
Γ—2
+19ft-37ft

Overall

19950

Females

7575

F45-49

7575

HALF→25K

13.1 - 15.5 mi

Top 70%
Γ—4
+66ft-88ft

Overall

20446

Females

7889

F45-49

7889

25K→30K

15.5 - 18.6 mi

Top 73%
Γ—9
+181ft-148ft

Overall

21044

Females

8286

F45-49

8286

30K→20M

18.6 - 20.0 mi

Top 70%
Γ—5
+64ft-50ft

Overall

20348

Females

8002

F45-49

8002

20M→21M

20.0 - 21.0 mi

Top 61%
Γ—8
+106ft-24ft

Overall

17739

Females

6659

F45-49

6659

21M→35K

21.0 - 21.8 mi

Top 69%
Γ—7
+17ft-86ft

Overall

20133

Females

8005

F45-49

8005

35K→23M

21.8 - 23.0 mi

Top 70%
Γ—5
+23ft-63ft

Overall

20211

Females

8071

F45-49

8071

23M→24M

23.0 - 24.0 mi

Top 68%
Γ—6
+12ft-82ft

Overall

19689

Females

7895

F45-49

7895

24M→40K

24.0 - 24.9 mi

Top 68%
Γ—1
+6ft-20ft

Overall

19604

Females

7878

F45-49

7878

40K→25.2M

24.9 - 25.2 mi

Top 65%
Γ—1
+13ft-16ft

Overall

18914

Females

7515

F45-49

7515

25.2M→FINISH

25.2 - 26.2 mi

Top 68%
Γ—2
+22ft-21ft

Overall

19654

Females

7909

F45-49

7909

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1004
Passed By
1525
Net Change
-2106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#17625
5K β†’ 10K30200-1256#17625#18881
10K β†’ 15K77200-319#18881#19200
15K β†’ 20K167128+39#19200#19161
20K β†’ HALF1752-35#19161#19196
HALF β†’ 25K69200-215#19196#19411
25K β†’ 30K100200-319#19411#19730
30K β†’ 20M72126-54#19730#19784
20M β†’ 21M14930+119#19784#19665
21M β†’ 35K3959-20#19665#19685
35K β†’ 23M72120-48#19685#19733
23M β†’ 24M6966+3#19733#19730
24M β†’ 40K5860-2#19730#19732
40K β†’ 25.2M2427-3#19732#19735
25.2M β†’ FINISH6157+4#19735#19731
TOTALS10041525-2106
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace 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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