Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Sarah Stephens

Bib: 15525FAge: N/A

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 45%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
Personalized for Sarah

Your Race Performance Report is ready

See how your race unfolded, where your performance changed, and what to focus on next.

Personalized by MyRace AI
Preview insight
Your pace by distance
Fastest segment · 7:35/mi at mile 26.2

Your report includes

  • Race Overview
  • Pacing & Splits
  • Performance Analysis
  • Segment Analysis
  • Passing Analysis
  • Improvement Opportunities
One-time purchase · Instant access · Downloadable PDF · Shareable report

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
24:22
3.11 mi
Rank: #15795
Start5K
24:22 | 7:51/mi
10K
49:19
6.21 mi
Rank: #16625 (-830)
5K10K
24:57 | 8:02/mi
15K
1:14:15
9.32 mi
Rank: #16802 (-177)
10K15K
24:56 | 8:02/mi
20K
1:40:01
12.43 mi
Rank: #17174 (-372)
15K20K
25:46 | 8:18/mi
HALF
1:45:26
13.11 mi
Rank: #17140 (+34)
20KHALF
5:25 | 7:57/mi
25K
2:05:21
15.53 mi
Rank: #17067 (+73)
HALF25K
19:55 | 8:13/mi
30K
2:31:42
18.64 mi
Rank: #16963 (+104)
25K30K
26:21 | 8:29/mi
20M
2:43:06
20.00 mi
Rank: #16847 (+116)
30K20M
11:24 | 8:24/mi
21M
2:51:53
21.00 mi
Rank: #16703 (+144)
20M21M
8:47 | 8:47/mi
35K
2:58:00
21.75 mi
Rank: #16632 (+71)
21M35K
6:07 | 8:11/mi
23M
3:08:24
23.00 mi
Rank: #16475 (+157)
35K23M
10:24 | 8:19/mi
24M
3:16:40
24.00 mi
Rank: #16426 (+49)
23M24M
8:16 | 8:16/mi
40K
3:23:37
24.85 mi
Rank: #16280 (+146)
24M40K
6:57 | 8:08/mi
25.2M
3:26:48
25.20 mi
Rank: #16267 (+13)
40K25.2M
3:11 | 9:14/mi
FINISH
3:34:32
26.22 mi
Rank: #16108 (+159)
25.2MFINISH
7:44 | 7:36/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:26
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:49:06
Pace8:20 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:1224:227:5124:22
7:51
-
10K
6.21 mi11:21:0949:197:5724:57
8:02
+0:11
15K
9.32 mi11:46:051:14:157:5824:56
8:02
0:00
20K
12.43 mi12:11:511:40:018:0325:46
8:18
+0:16
HALF
13.11 mi12:17:161:45:268:035:25
7:57
-0:21
25K
15.53 mi12:37:112:05:218:0519:55
8:13
+0:16
30K
18.64 mi13:03:322:31:428:0926:21
8:29
+0:16
20M
20.00 mi13:14:562:43:068:1011:24
8:24
-0:05
21M
21.00 mi13:23:432:51:538:128:47
8:47
+0:23
35K
21.75 mi13:29:502:58:008:126:07
8:11
-0:36
23M
23.00 mi13:40:143:08:248:1210:24
8:19
+0:08
24M
24.00 mi13:48:303:16:408:128:16
8:16
-0:03
40K
24.85 mi13:55:273:23:378:126:57
8:08
-0:08
25.2M
25.20 mi13:58:383:26:488:133:11
9:14
+1:06
FINISH
26.22 mi14:06:223:34:328:127:44
7:36
-1:38

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

7:36 /mi

Average Pace

8:11 /mi

Slowest Pace

9:14 /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

37:31

17% of race

Time at Steady Pace

2:18:42

65% of race

Time at Slower Pace

38:19

18% of race

Average Pace: 8:11 /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 mi10:56:1224:227:5124:22
7:51
#15795
10K
6.21 mi11:21:0949:197:5724:57
8:02
#16625
15K
9.32 mi11:46:051:14:157:5824:56
8:02
#16802
20K
12.43 mi12:11:511:40:018:0325:46
8:18
#17174
HALF
13.11 mi12:17:161:45:268:035:25
7:57
#17140
25K
15.53 mi12:37:112:05:218:0519:55
8:13
#17067
30K
18.64 mi13:03:322:31:428:0926:21
8:29
#16963
20M
20.00 mi13:14:562:43:068:1011:24
8:24
#16847
21M
21.00 mi13:23:432:51:538:128:47
8:47
#16703
35K
21.75 mi13:29:502:58:008:126:07
8:11
#16632
23M
23.00 mi13:40:143:08:248:1210:24
8:19
#16475
24M
24.00 mi13:48:303:16:408:128:16
8:16
#16426
40K
24.85 mi13:55:273:23:378:126:57
8:08
#16280
25.2M
25.20 mi13:58:383:26:488:133:11
9:14
#16267
FINISH
26.22 mi14:06:223:34:328:127:44
7:36
#16108
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi157955186518617219(Top 59%)6033(Top 48%)6033(Top 106%)
10K6.21 mi3.10 mi16625-8305714-5285714-52817479(Top 60%)6195(Top 49%)6195(Top 108%)
15K9.32 mi3.11 mi16802-1775807-935807-9317219(Top 59%)6033(Top 48%)6033(Top 106%)
20K12.43 mi3.11 mi17174-3726028-2216028-22118059(Top 62%)6547(Top 52%)6547(Top 115%)
HALF13.11 mi0.68 mi17140+346012+166012+1616773(Top 58%)5780(Top 46%)5780(Top 101%)
25K15.53 mi2.42 mi17067+735980+325980+3216879(Top 58%)5915(Top 47%)5915(Top 103%)
30K18.64 mi3.11 mi16963+1045942+385942+3816811(Top 58%)5997(Top 48%)5997(Top 105%)
20M20.00 mi1.36 mi16847+1165887+555887+5515546(Top 54%)5388(Top 43%)5388(Top 94%)
21M21.00 mi1.00 mi16703+1445830+575830+5714922(Top 51%)5103(Top 41%)5103(Top 89%)
35K21.75 mi0.75 mi16632+715800+305800+3015683(Top 54%)5575(Top 44%)5575(Top 98%)
23M23.00 mi1.25 mi16475+1575747+535747+5314554(Top 50%)5029(Top 40%)5029(Top 88%)
24M24.00 mi1.00 mi16426+495738+95738+915502(Top 53%)5610(Top 45%)5610(Top 98%)
40K24.85 mi0.85 mi16280+1465680+585680+5813384(Top 46%)4556(Top 36%)4556(Top 80%)
25.2M25.20 mi0.35 mi16267+135682-25682-216008(Top 55%)5962(Top 47%)5962(Top 104%)
FINISH26.22 mi1.02 mi16108+1595617+655617+6512185(Top 42%)3978(Top 32%)3978(Top 70%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21
+97ft-345ft

Overall

17219

Females

6033

F18-39

6033

5K→10K

3.1 - 6.2 mi

Top 60%
×5
+79ft-138ft

Overall

17479

Females

6195

F18-39

6195

10K→15K

6.2 - 9.3 mi

Top 59%
×3
+67ft-78ft

Overall

17219

Females

6033

F18-39

6033

15K→20K

9.3 - 12.4 mi

Top 62%
×5
+106ft-86ft

Overall

18059

Females

6547

F18-39

6547

20K→HALF

12.4 - 13.1 mi

Top 58%
×2
+19ft-37ft

Overall

16773

Females

5780

F18-39

5780

HALF→25K

13.1 - 15.5 mi

Top 58%
×4
+66ft-88ft

Overall

16879

Females

5915

F18-39

5915

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16811

Females

5997

F18-39

5997

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15546

Females

5388

F18-39

5388

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14922

Females

5103

F18-39

5103

21M→35K

21.0 - 21.8 mi

Top 54%
×7
+17ft-86ft

Overall

15683

Females

5575

F18-39

5575

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14554

Females

5029

F18-39

5029

23M→24M

23.0 - 24.0 mi

Top 53%
×6
+12ft-82ft

Overall

15502

Females

5610

F18-39

5610

24M→40K

24.0 - 24.9 mi

Top 46%
×1
+6ft-20ft

Overall

13384

Females

4556

F18-39

4556

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1
+13ft-16ft

Overall

16008

Females

5962

F18-39

5962

25.2M→FINISH

25.2 - 26.2 mi

Top 42%
×2
+22ft-21ft

Overall

12185

Females

3978

F18-39

3978

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1801*
Passed By
1040
Net Change
-313
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15795
5K10K66200-830#15795#16625
10K15K142200-177#16625#16802
15K20K87200-372#16802#17174
20KHALF6026+34#17174#17140
HALF25K16693+73#17140#17067
25K30K239*135+104#17067#16963
30K20M15236+116#16963#16847
20M21M16218+144#16847#16703
21M35K9322+71#16703#16632
35K23M18427+157#16632#16475
23M24M9546+49#16475#16426
24M40K1548+146#16426#16280
40K25.2M3421+13#16280#16267
25.2MFINISH1678+159#16267#16108
TOTALS1801*1040-313

* 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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