Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Lynn Vasconcelos

Bib: 23735FAge: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 46%
Masters (Masters Women)
#0 / 6862
Top 33%
Age Group (F50-54)
#0 / 1233
Top 27%
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
25:53
3.11 mi
Rank: #19073
Start5K
25:53 | 8:20/mi
10K
51:04
6.21 mi
Rank: #18514 (+559)
5K10K
25:11 | 8:07/mi
15K
1:16:14
9.32 mi
Rank: #18261 (+253)
10K15K
25:10 | 8:07/mi
20K
1:41:26
12.43 mi
Rank: #17928 (+333)
15K20K
25:12 | 8:07/mi
HALF
1:46:47
13.11 mi
Rank: #17825 (+103)
20KHALF
5:21 | 7:51/mi
25K
2:06:19
15.53 mi
Rank: #17513 (+312)
HALF25K
19:32 | 8:04/mi
30K
2:32:03
18.64 mi
Rank: #17078 (+435)
25K30K
25:44 | 8:17/mi
20M
2:43:27
20.00 mi
Rank: #16960 (+118)
30K20M
11:24 | 8:24/mi
21M
2:52:21
21.00 mi
Rank: #16854 (+106)
20M21M
8:54 | 8:54/mi
35K
2:58:28
21.75 mi
Rank: #16782 (+72)
21M35K
6:07 | 8:11/mi
23M
3:08:49
23.00 mi
Rank: #16617 (+165)
35K23M
10:21 | 8:17/mi
24M
3:16:59
24.00 mi
Rank: #16517 (+100)
23M24M
8:10 | 8:10/mi
40K
3:24:08
24.85 mi
Rank: #16421 (+96)
24M40K
7:09 | 8:22/mi
25.2M
3:27:20
25.20 mi
Rank: #16416 (+5)
40K25.2M
3:12 | 9:17/mi
FINISH
3:35:50
26.22 mi
Rank: #16441 (-25)
25.2MFINISH
8:30 | 8:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:46:47
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:49:03
Pace8:20 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:29:3425:538:2025:53
8:20
-
10K
6.21 mi11:54:4551:048:1425:11
8:07
-0:13
15K
9.32 mi12:19:551:16:148:1125:10
8:07
0:00
20K
12.43 mi12:45:071:41:268:1025:12
8:07
0:00
HALF
13.11 mi12:50:281:46:478:095:21
7:51
-0:16
25K
15.53 mi13:10:002:06:198:0819:32
8:04
+0:13
30K
18.64 mi13:35:442:32:038:1025:44
8:17
+0:13
20M
20.00 mi13:47:082:43:278:1111:24
8:24
+0:07
21M
21.00 mi13:56:022:52:218:138:54
8:54
+0:30
35K
21.75 mi14:02:092:58:288:136:07
8:11
-0:43
23M
23.00 mi14:12:303:08:498:1310:21
8:17
+0:06
24M
24.00 mi14:20:403:16:598:138:10
8:10
-0:07
40K
24.85 mi14:27:493:24:088:137:09
8:22
+0:12
25.2M
25.20 mi14:31:013:27:208:143:12
9:17
+0:55
FINISH
26.22 mi14:39:313:35:508:158:30
8:21
-0:56

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

7:51 /mi

Average Pace

8:14 /mi

Slowest Pace

9:17 /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

3:23:44

94% of race

Time at Steady Pace

8:54

4% of race

Time at Slower Pace

3:12

1% of race

Average Pace: 8:14 /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 mi11:29:3425:538:2025:53
8:20
#19073
10K
6.21 mi11:54:4551:048:1425:11
8:07
#18514
15K
9.32 mi12:19:551:16:148:1125:10
8:07
#18261
20K
12.43 mi12:45:071:41:268:1025:12
8:07
#17928
HALF
13.11 mi12:50:281:46:478:095:21
7:51
#17825
25K
15.53 mi13:10:002:06:198:0819:32
8:04
#17513
30K
18.64 mi13:35:442:32:038:1025:44
8:17
#17078
20M
20.00 mi13:47:082:43:278:1111:24
8:24
#16960
21M
21.00 mi13:56:022:52:218:138:54
8:54
#16854
35K
21.75 mi14:02:092:58:288:136:07
8:11
#16782
23M
23.00 mi14:12:303:08:498:1310:21
8:17
#16617
24M
24.00 mi14:20:403:16:598:138:10
8:10
#16517
40K
24.85 mi14:27:493:24:088:137:09
8:22
#16421
25.2M
25.20 mi14:31:013:27:208:143:12
9:17
#16416
FINISH
26.22 mi14:39:313:35:508:158:30
8:21
#16441
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 mi190737127712717718(Top 61%)6315(Top 50%)6315(Top 512%)
10K6.21 mi3.10 mi18514+5596784+3436784+34318015(Top 62%)6490(Top 52%)6490(Top 526%)
15K9.32 mi3.11 mi18261+2536632+1526632+15217718(Top 61%)6315(Top 50%)6315(Top 512%)
20K12.43 mi3.11 mi17928+3336456+1766456+17616936(Top 58%)5905(Top 47%)5905(Top 479%)
HALF13.11 mi0.68 mi17825+1036391+656391+6516045(Top 55%)5380(Top 43%)5380(Top 436%)
25K15.53 mi2.42 mi17513+3126224+1676224+16715837(Top 55%)5330(Top 42%)5330(Top 432%)
30K18.64 mi3.11 mi17078+4356002+2226002+22215516(Top 53%)5258(Top 42%)5258(Top 426%)
20M20.00 mi1.36 mi16960+1185954+485954+4815554(Top 54%)5396(Top 43%)5396(Top 438%)
21M21.00 mi1.00 mi16854+1065912+425912+4215599(Top 54%)5476(Top 44%)5476(Top 444%)
35K21.75 mi0.75 mi16782+725888+245888+2415694(Top 54%)5586(Top 44%)5586(Top 453%)
23M23.00 mi1.25 mi16617+1655819+695819+6914305(Top 49%)4883(Top 39%)4883(Top 396%)
24M24.00 mi1.00 mi16517+1005783+365783+3614890(Top 51%)5279(Top 42%)5279(Top 428%)
40K24.85 mi0.85 mi16421+965758+255758+2514883(Top 51%)5374(Top 43%)5374(Top 436%)
25.2M25.20 mi0.35 mi16416+55766-85766-816256(Top 56%)6092(Top 48%)6092(Top 494%)
FINISH26.22 mi1.02 mi16441-255800-345800-3417308(Top 60%)6672(Top 53%)6672(Top 541%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21
+97ft-345ft

Overall

17718

Females

6315

F50-54

6315

5K→10K

3.1 - 6.2 mi

Top 62%
×5
+79ft-138ft

Overall

18015

Females

6490

F50-54

6490

10K→15K

6.2 - 9.3 mi

Top 61%
×3
+67ft-78ft

Overall

17718

Females

6315

F50-54

6315

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16936

Females

5905

F50-54

5905

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

16045

Females

5380

F50-54

5380

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

15837

Females

5330

F50-54

5330

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15516

Females

5258

F50-54

5258

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15554

Females

5396

F50-54

5396

20M→21M

20.0 - 21.0 mi

Top 54%
×8
+106ft-24ft

Overall

15599

Females

5476

F50-54

5476

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15694

Females

5586

F50-54

5586

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14305

Females

4883

F50-54

4883

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14890

Females

5279

F50-54

5279

24M→40K

24.0 - 24.9 mi

Top 51%
×1
+6ft-20ft

Overall

14883

Females

5374

F50-54

5374

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1
+13ft-16ft

Overall

16256

Females

6092

F50-54

6092

25.2M→FINISH

25.2 - 26.2 mi

Top 60%
×2
+22ft-21ft

Overall

17308

Females

6672

F50-54

6672

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3133*
Passed By
501
Net Change
+2632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19073
5K10K650*91+559#19073#18514
10K15K332*79+253#18514#18261
15K20K365*32+333#18261#17928
20KHALF1107+103#17928#17825
HALF25K328*16+312#17825#17513
25K30K462*27+435#17513#17078
30K20M14224+118#17078#16960
20M21M13933+106#16960#16854
21M35K9927+72#16854#16782
35K23M18116+165#16782#16617
23M24M12424+100#16617#16517
24M40K11721+96#16517#16421
40K25.2M3328+5#16421#16416
25.2MFINISH5176-25#16416#16441
TOTALS3133*501+2632

* 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

AI Key Insights

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