Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Marta Kubacka

Bib: 17256FAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 45%
Gender (Female)
#0 / 12578
Top 31%
Masters (Masters Women)
#0 / 6862
Top 15%
Age Group (F40-44)
#0 / 1737
Top 33%
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
24:03
3.11 mi
Rank: #14924
Start5K
24:03 | 7:45/mi
10K
47:47
6.21 mi
Rank: #14530 (+394)
5K10K
23:44 | 7:39/mi
15K
1:11:26
9.32 mi
Rank: #14227 (+303)
10K15K
23:39 | 7:37/mi
20K
1:35:12
12.43 mi
Rank: #13962 (+265)
15K20K
23:46 | 7:39/mi
HALF
1:40:20
13.11 mi
Rank: #13911 (+51)
20KHALF
5:08 | 7:32/mi
25K
1:59:02
15.53 mi
Rank: #13752 (+159)
HALF25K
18:42 | 7:43/mi
30K
2:24:29
18.64 mi
Rank: #13934 (-182)
25K30K
25:27 | 8:12/mi
20M
2:35:29
20.00 mi
Rank: #13882 (+52)
30K20M
11:00 | 8:06/mi
21M
2:44:03
21.00 mi
Rank: #13837 (+45)
20M21M
8:34 | 8:34/mi
35K
2:49:44
21.75 mi
Rank: #13735 (+102)
21M35K
5:41 | 7:36/mi
23M
2:59:38
23.00 mi
Rank: #13597 (+138)
35K23M
9:54 | 7:55/mi
24M
3:07:17
24.00 mi
Rank: #13465 (+132)
23M24M
7:39 | 7:39/mi
40K
3:13:46
24.85 mi
Rank: #13291 (+174)
24M40K
6:29 | 7:35/mi
25.2M
3:16:34
25.20 mi
Rank: #13216 (+75)
40K25.2M
2:48 | 8:08/mi
FINISH
3:24:02
26.22 mi
Rank: #13080 (+136)
25.2MFINISH
7:28 | 7:20/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
Time1:40:20
Pace7:40 /mi
2nd Half
Distance13.11 mi
Time1:43:42
Pace7:55 /mi
📊Positive Split: 3.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:3924:037:4524:03
7:45
-
10K
6.21 mi11:29:2347:477:4223:44
7:39
-0:06
15K
9.32 mi11:53:021:11:267:4023:39
7:37
-0:02
20K
12.43 mi12:16:481:35:127:4023:46
7:39
+0:02
HALF
13.11 mi12:21:561:40:207:405:08
7:32
-0:07
25K
15.53 mi12:40:381:59:027:4018:42
7:43
+0:11
30K
18.64 mi13:06:052:24:297:4625:27
8:12
+0:29
20M
20.00 mi13:17:052:35:297:4711:00
8:06
-0:06
21M
21.00 mi13:25:392:44:037:498:34
8:34
+0:28
35K
21.75 mi13:31:202:49:447:495:41
7:36
-0:58
23M
23.00 mi13:41:142:59:387:499:54
7:55
+0:19
24M
24.00 mi13:48:533:07:177:497:39
7:39
-0:16
40K
24.85 mi13:55:223:13:467:486:29
7:35
-0:04
25.2M
25.20 mi13:58:103:16:347:492:48
8:08
+0:33
FINISH
26.22 mi14:05:383:24:027:487:28
7:20
-0:48

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

7:20 /mi

Average Pace

7:47 /mi

Slowest Pace

8:34 /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

2:36:13

77% of race

Time at Steady Pace

47:49

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi11:05:3924:037:4524:03
7:45
#14924
10K
6.21 mi11:29:2347:477:4223:44
7:39
#14530
15K
9.32 mi11:53:021:11:267:4023:39
7:37
#14227
20K
12.43 mi12:16:481:35:127:4023:46
7:39
#13962
HALF
13.11 mi12:21:561:40:207:405:08
7:32
#13911
25K
15.53 mi12:40:381:59:027:4018:42
7:43
#13752
30K
18.64 mi13:06:052:24:297:4625:27
8:12
#13934
20M
20.00 mi13:17:052:35:297:4711:00
8:06
#13882
21M
21.00 mi13:25:392:44:037:498:34
8:34
#13837
35K
21.75 mi13:31:202:49:447:495:41
7:36
#13735
23M
23.00 mi13:41:142:59:387:499:54
7:55
#13597
24M
24.00 mi13:48:533:07:177:497:39
7:39
#13465
40K
24.85 mi13:55:223:13:467:486:29
7:35
#13291
25.2M
25.20 mi13:58:103:16:347:492:48
8:08
#13216
FINISH
26.22 mi14:05:383:24:027:487:28
7:20
#13080
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 mi149244635463513789(Top 48%)4026(Top 32%)4026(Top 232%)
10K6.21 mi3.10 mi14530+3944407+2284407+22814241(Top 49%)4260(Top 34%)4260(Top 245%)
15K9.32 mi3.11 mi14227+3034258+1494258+14913789(Top 48%)4026(Top 32%)4026(Top 232%)
20K12.43 mi3.11 mi13962+2654118+1404118+14013281(Top 46%)3819(Top 30%)3819(Top 220%)
HALF13.11 mi0.68 mi13911+514094+244094+2413317(Top 46%)3762(Top 30%)3762(Top 217%)
25K15.53 mi2.42 mi13752+1594024+704024+7013149(Top 45%)3817(Top 30%)3817(Top 220%)
30K18.64 mi3.11 mi13934-1824155-1314155-13114865(Top 51%)4891(Top 39%)4891(Top 282%)
20M20.00 mi1.36 mi13882+524156-14156-113536(Top 47%)4248(Top 34%)4248(Top 245%)
21M21.00 mi1.00 mi13837+454159-34159-313563(Top 47%)4355(Top 35%)4355(Top 251%)
35K21.75 mi0.75 mi13735+1024120+394120+3911613(Top 40%)3337(Top 27%)3337(Top 192%)
23M23.00 mi1.25 mi13597+1384084+364084+3611858(Top 41%)3528(Top 28%)3528(Top 203%)
24M24.00 mi1.00 mi13465+1324026+584026+5811231(Top 39%)3295(Top 26%)3295(Top 190%)
40K24.85 mi0.85 mi13291+1743942+843942+849517(Top 33%)2530(Top 20%)2530(Top 146%)
25.2M25.20 mi0.35 mi13216+753904+383904+389214(Top 32%)2477(Top 20%)2477(Top 143%)
FINISH26.22 mi1.02 mi13080+1363863+413863+4110121(Top 35%)2909(Top 23%)2909(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21
+97ft-345ft

Overall

13789

Females

4026

F40-44

4026

5K→10K

3.1 - 6.2 mi

Top 49%
×5
+79ft-138ft

Overall

14241

Females

4260

F40-44

4260

10K→15K

6.2 - 9.3 mi

Top 48%
×3
+67ft-78ft

Overall

13789

Females

4026

F40-44

4026

15K→20K

9.3 - 12.4 mi

Top 46%
×5
+106ft-86ft

Overall

13281

Females

3819

F40-44

3819

20K→HALF

12.4 - 13.1 mi

Top 46%
×2
+19ft-37ft

Overall

13317

Females

3762

F40-44

3762

HALF→25K

13.1 - 15.5 mi

Top 45%
×4
+66ft-88ft

Overall

13149

Females

3817

F40-44

3817

25K→30K

15.5 - 18.6 mi

Top 51%
×9
+181ft-148ft

Overall

14865

Females

4891

F40-44

4891

30K→20M

18.6 - 20.0 mi

Top 47%
×5
+64ft-50ft

Overall

13536

Females

4248

F40-44

4248

20M→21M

20.0 - 21.0 mi

Top 47%
×8
+106ft-24ft

Overall

13563

Females

4355

F40-44

4355

21M→35K

21.0 - 21.8 mi

Top 40%
×7
+17ft-86ft

Overall

11613

Females

3337

F40-44

3337

35K→23M

21.8 - 23.0 mi

Top 41%
×5
+23ft-63ft

Overall

11858

Females

3528

F40-44

3528

23M→24M

23.0 - 24.0 mi

Top 39%
×6
+12ft-82ft

Overall

11231

Females

3295

F40-44

3295

24M→40K

24.0 - 24.9 mi

Top 33%
×1
+6ft-20ft

Overall

9517

Females

2530

F40-44

2530

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1
+13ft-16ft

Overall

9214

Females

2477

F40-44

2477

25.2M→FINISH

25.2 - 26.2 mi

Top 35%
×2
+22ft-21ft

Overall

10121

Females

2909

F40-44

2909

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2716*
Passed By
760
Net Change
+1844
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14924
5K10K541*147+394#14924#14530
10K15K373*70+303#14530#14227
15K20K323*58+265#14227#13962
20KHALF609+51#13962#13911
HALF25K210*51+159#13911#13752
25K30K130200-182#13752#13934
30K20M12977+52#13934#13882
20M21M11368+45#13882#13837
21M35K1097+102#13837#13735
35K23M17335+138#13735#13597
23M24M14210+132#13597#13465
24M40K1806+174#13465#13291
40K25.2M805+75#13291#13216
25.2MFINISH15317+136#13216#13080
TOTALS2716*760+1844

* 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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Activity Data

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