Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Melissa Clemens

Bib: 22839FAge: N/A

VA

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 38%
Masters (Masters Women)
#0 / 6862
Top 23%
Age Group (F50-54)
#0 / 1233
Top 16%
Race Day Weather
51°/41°F
overcast clouds
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  • Segment-by-segment breakdown
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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
24:50
3.11 mi
Rank: #16902
Start5K
24:50 | 8:00/mi
10K
49:06
6.21 mi
Rank: #16322 (+580)
5K10K
24:16 | 7:49/mi
15K
1:13:35
9.32 mi
Rank: #16221 (+101)
10K15K
24:29 | 7:53/mi
20K
1:38:09
12.43 mi
Rank: #15988 (+233)
15K20K
24:34 | 7:55/mi
HALF
1:43:32
13.11 mi
Rank: #16011 (-23)
20KHALF
5:23 | 7:54/mi
25K
2:02:40
15.53 mi
Rank: #15745 (+266)
HALF25K
19:08 | 7:54/mi
30K
2:27:53
18.64 mi
Rank: #15460 (+285)
25K30K
25:13 | 8:07/mi
20M
2:38:50
20.00 mi
Rank: #15277 (+183)
30K20M
10:57 | 8:04/mi
21M
2:47:25
21.00 mi
Rank: #15136 (+141)
20M21M
8:35 | 8:35/mi
35K
2:53:25
21.75 mi
Rank: #15106 (+30)
21M35K
6:00 | 8:02/mi
23M
3:03:39
23.00 mi
Rank: #15000 (+106)
35K23M
10:14 | 8:11/mi
24M
3:11:36
24.00 mi
Rank: #14922 (+78)
23M24M
7:57 | 7:57/mi
40K
3:18:36
24.85 mi
Rank: #14852 (+70)
24M40K
7:00 | 8:12/mi
25.2M
3:21:33
25.20 mi
Rank: #14815 (+37)
40K25.2M
2:57 | 8:34/mi
FINISH
3:29:26
26.22 mi
Rank: #14761 (+54)
25.2MFINISH
7:53 | 7:45/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:43:32
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:45:54
Pace8:05 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2324:508:0024:50
8:00
-
10K
6.21 mi11:51:3949:067:5524:16
7:49
-0:11
15K
9.32 mi12:16:081:13:357:5424:29
7:53
+0:04
20K
12.43 mi12:40:421:38:097:5424:34
7:55
+0:02
HALF
13.11 mi12:46:051:43:327:545:23
7:54
-0:01
25K
15.53 mi13:05:132:02:407:5419:08
7:54
0:00
30K
18.64 mi13:30:262:27:537:5625:13
8:07
+0:13
20M
20.00 mi13:41:232:38:507:5710:57
8:04
-0:03
21M
21.00 mi13:49:582:47:257:598:35
8:35
+0:31
35K
21.75 mi13:55:582:53:257:596:00
8:02
-0:33
23M
23.00 mi14:06:123:03:398:0010:14
8:11
+0:09
24M
24.00 mi14:14:093:11:368:007:57
7:57
-0:14
40K
24.85 mi14:21:093:18:368:007:00
8:12
+0:15
25.2M
25.20 mi14:24:063:21:338:002:57
8:34
+0:22
FINISH
26.22 mi14:31:593:29:268:007:53
7:45
-0:49

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

7:45 /mi

Average Pace

8:00 /mi

Slowest Pace

8:35 /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

3:17:54

94% of race

Time at Steady Pace

11:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:59 /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 mi11:27:2324:508:0024:50
8:00
#16902
10K
6.21 mi11:51:3949:067:5524:16
7:49
#16322
15K
9.32 mi12:16:081:13:357:5424:29
7:53
#16221
20K
12.43 mi12:40:421:38:097:5424:34
7:55
#15988
HALF
13.11 mi12:46:051:43:327:545:23
7:54
#16011
25K
15.53 mi13:05:132:02:407:5419:08
7:54
#15745
30K
18.64 mi13:30:262:27:537:5625:13
8:07
#15460
20M
20.00 mi13:41:232:38:507:5710:57
8:04
#15277
21M
21.00 mi13:49:582:47:257:598:35
8:35
#15136
35K
21.75 mi13:55:582:53:257:596:00
8:02
#15106
23M
23.00 mi14:06:123:03:398:0010:14
8:11
#15000
24M
24.00 mi14:14:093:11:368:007:57
7:57
#14922
40K
24.85 mi14:21:093:18:368:007:00
8:12
#14852
25.2M
25.20 mi14:24:063:21:338:002:57
8:34
#14815
FINISH
26.22 mi14:31:593:29:268:007:53
7:45
#14761
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 mi169025863586316025(Top 55%)5350(Top 43%)5350(Top 434%)
10K6.21 mi3.10 mi16322+5805523+3405523+34015748(Top 54%)5165(Top 41%)5165(Top 419%)
15K9.32 mi3.11 mi16221+1015473+505473+5016025(Top 55%)5350(Top 43%)5350(Top 434%)
20K12.43 mi3.11 mi15988+2335348+1255348+12515401(Top 53%)5033(Top 40%)5033(Top 408%)
HALF13.11 mi0.68 mi16011-235370-225370-2216335(Top 56%)5523(Top 44%)5523(Top 448%)
25K15.53 mi2.42 mi15745+2665215+1555215+15514549(Top 50%)4610(Top 37%)4610(Top 374%)
30K18.64 mi3.11 mi15460+2855077+1385077+13814331(Top 49%)4594(Top 37%)4594(Top 373%)
20M20.00 mi1.36 mi15277+1834990+874990+8713267(Top 46%)4093(Top 33%)4093(Top 332%)
21M21.00 mi1.00 mi15136+1414936+544936+5413692(Top 47%)4424(Top 35%)4424(Top 359%)
35K21.75 mi0.75 mi15106+304930+64930+614654(Top 50%)4991(Top 40%)4991(Top 405%)
23M23.00 mi1.25 mi15000+1064899+314899+3113665(Top 47%)4536(Top 36%)4536(Top 368%)
24M24.00 mi1.00 mi14922+784865+344865+3413426(Top 46%)4485(Top 36%)4485(Top 364%)
40K24.85 mi0.85 mi14852+704856+94856+913719(Top 47%)4732(Top 38%)4732(Top 384%)
25.2M25.20 mi0.35 mi14815+374839+174839+1712093(Top 42%)3923(Top 31%)3923(Top 318%)
FINISH26.22 mi1.02 mi14761+544826+134826+1313320(Top 46%)4564(Top 36%)4564(Top 370%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

16025

Females

5350

F50-54

5350

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15748

Females

5165

F50-54

5165

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

16025

Females

5350

F50-54

5350

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15401

Females

5033

F50-54

5033

20K→HALF

12.4 - 13.1 mi

Top 56%
×2
+19ft-37ft

Overall

16335

Females

5523

F50-54

5523

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14549

Females

4610

F50-54

4610

25K→30K

15.5 - 18.6 mi

Top 49%
×9
+181ft-148ft

Overall

14331

Females

4594

F50-54

4594

30K→20M

18.6 - 20.0 mi

Top 46%
×5
+64ft-50ft

Overall

13267

Females

4093

F50-54

4093

20M→21M

20.0 - 21.0 mi

Top 47%
×8
+106ft-24ft

Overall

13692

Females

4424

F50-54

4424

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14654

Females

4991

F50-54

4991

35K→23M

21.8 - 23.0 mi

Top 47%
×5
+23ft-63ft

Overall

13665

Females

4536

F50-54

4536

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13426

Females

4485

F50-54

4485

24M→40K

24.0 - 24.9 mi

Top 47%
×1
+6ft-20ft

Overall

13719

Females

4732

F50-54

4732

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1
+13ft-16ft

Overall

12093

Females

3923

F50-54

3923

25.2M→FINISH

25.2 - 26.2 mi

Top 46%
×2
+22ft-21ft

Overall

13320

Females

4564

F50-54

4564

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2870*
Passed By
729
Net Change
+2141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16902
5K10K682*102+580#16902#16322
10K15K257*156+101#16322#16221
15K20K312*79+233#16221#15988
20KHALF2346-23#15988#16011
HALF25K291*25+266#16011#15745
25K30K350*65+285#15745#15460
30K20M19916+183#15460#15277
20M21M17837+141#15277#15136
21M35K6939+30#15136#15106
35K23M14842+106#15106#15000
23M24M11436+78#15000#14922
24M40K10333+70#14922#14852
40K25.2M4811+37#14852#14815
25.2MFINISH9642+54#14815#14761
TOTALS2870*729+2141

* 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

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OTQ

Olympic Trials Qualifying analysis available

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