Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Laura Scudder

Bib: 20423FAge: N/A

AR

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 44%
Gender (Female)
#0 / 12578
Top 29%
Masters (Masters Women)
#0 / 6862
Top 13%
Age Group (F45-49)
#0 / 1786
Top 14%
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
24:03
3.11 mi
Rank: #14922
Start5K
24:03 | 7:45/mi
10K
48:09
6.21 mi
Rank: #15055 (-133)
5K10K
24:06 | 7:46/mi
15K
1:12:07
9.32 mi
Rank: #14866 (+189)
10K15K
23:58 | 7:43/mi
20K
1:36:25
12.43 mi
Rank: #14803 (+63)
15K20K
24:18 | 7:50/mi
HALF
1:41:37
13.11 mi
Rank: #14767 (+36)
20KHALF
5:12 | 7:38/mi
25K
2:00:18
15.53 mi
Rank: #14457 (+310)
HALF25K
18:41 | 7:43/mi
30K
2:24:31
18.64 mi
Rank: #13944 (+513)
25K30K
24:13 | 7:48/mi
20M
2:35:03
20.00 mi
Rank: #13698 (+246)
30K20M
10:32 | 7:46/mi
21M
2:43:24
21.00 mi
Rank: #13588 (+110)
20M21M
8:21 | 8:21/mi
35K
2:48:54
21.75 mi
Rank: #13425 (+163)
21M35K
5:30 | 7:22/mi
23M
2:58:28
23.00 mi
Rank: #13195 (+230)
35K23M
9:34 | 7:39/mi
24M
3:05:52
24.00 mi
Rank: #13024 (+171)
23M24M
7:24 | 7:24/mi
40K
3:12:29
24.85 mi
Rank: #12912 (+112)
24M40K
6:37 | 7:45/mi
25.2M
3:15:21
25.20 mi
Rank: #12859 (+53)
40K25.2M
2:52 | 8:19/mi
FINISH
3:22:56
26.22 mi
Rank: #12741 (+118)
25.2MFINISH
7:35 | 7:27/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half⚖️ Balanced
via HALF
Distance13.11 mi
Time1:41:37
Pace7:46 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:41:19
Pace7:44 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:4524:037:4524:03
7:45
-
10K
6.21 mi11:32:5148:097:4524:06
7:46
+0:01
15K
9.32 mi11:56:491:12:077:4523:58
7:43
-0:03
20K
12.43 mi12:21:071:36:257:4624:18
7:50
+0:07
HALF
13.11 mi12:26:191:41:377:465:12
7:38
-0:12
25K
15.53 mi12:45:002:00:187:4518:41
7:43
+0:05
30K
18.64 mi13:09:132:24:317:4624:13
7:48
+0:05
20M
20.00 mi13:19:452:35:037:4610:32
7:46
-0:02
21M
21.00 mi13:28:062:43:247:478:21
8:21
+0:35
35K
21.75 mi13:33:362:48:547:465:30
7:22
-0:59
23M
23.00 mi13:43:102:58:287:469:34
7:39
+0:17
24M
24.00 mi13:50:343:05:527:457:24
7:24
-0:15
40K
24.85 mi13:57:113:12:297:456:37
7:45
+0:21
25.2M
25.20 mi14:00:033:15:217:462:52
8:19
+0:34
FINISH
26.22 mi14:07:383:22:567:457:35
7:27
-0:52

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

7:22 /mi

Average Pace

7:45 /mi

Slowest Pace

8:21 /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

3:11:43

94% of race

Time at Steady Pace

11:13

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi11:08:4524:037:4524:03
7:45
#14922
10K
6.21 mi11:32:5148:097:4524:06
7:46
#15055
15K
9.32 mi11:56:491:12:077:4523:58
7:43
#14866
20K
12.43 mi12:21:071:36:257:4624:18
7:50
#14803
HALF
13.11 mi12:26:191:41:377:465:12
7:38
#14767
25K
15.53 mi12:45:002:00:187:4518:41
7:43
#14457
30K
18.64 mi13:09:132:24:317:4624:13
7:48
#13944
20M
20.00 mi13:19:452:35:037:4610:32
7:46
#13698
21M
21.00 mi13:28:062:43:247:478:21
8:21
#13588
35K
21.75 mi13:33:362:48:547:465:30
7:22
#13425
23M
23.00 mi13:43:102:58:287:469:34
7:39
#13195
24M
24.00 mi13:50:343:05:527:457:24
7:24
#13024
40K
24.85 mi13:57:113:12:297:456:37
7:45
#12912
25.2M
25.20 mi14:00:033:15:217:462:52
8:19
#12859
FINISH
26.22 mi14:07:383:22:567:457:35
7:27
#12741
Faster pace
Steady pace
Slower pace

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 mi149224633463314655(Top 50%)4532(Top 36%)4532(Top 254%)
10K6.21 mi3.10 mi15055-1334759-1264759-12615236(Top 52%)4850(Top 39%)4850(Top 272%)
15K9.32 mi3.11 mi14866+1894648+1114648+11114655(Top 50%)4532(Top 36%)4532(Top 254%)
20K12.43 mi3.11 mi14803+634623+254623+2514698(Top 51%)4611(Top 37%)4611(Top 258%)
HALF13.11 mi0.68 mi14767+364602+214602+2114136(Top 49%)4220(Top 34%)4220(Top 236%)
25K15.53 mi2.42 mi14457+3104435+1674435+16713086(Top 45%)3779(Top 30%)3779(Top 212%)
30K18.64 mi3.11 mi13944+5134160+2754160+27511960(Top 41%)3288(Top 26%)3288(Top 184%)
20M20.00 mi1.36 mi13698+2464053+1074053+10711032(Top 38%)2913(Top 23%)2913(Top 163%)
21M21.00 mi1.00 mi13588+1104015+384015+3812197(Top 42%)3636(Top 29%)3636(Top 204%)
35K21.75 mi0.75 mi13425+1633947+683947+689810(Top 34%)2419(Top 19%)2419(Top 135%)
23M23.00 mi1.25 mi13195+2303843+1043843+1049942(Top 34%)2572(Top 20%)2572(Top 144%)
24M24.00 mi1.00 mi13024+1713763+803763+809410(Top 32%)2383(Top 19%)2383(Top 133%)
40K24.85 mi0.85 mi12912+1123731+323731+3210648(Top 37%)3088(Top 25%)3088(Top 173%)
25.2M25.20 mi0.35 mi12859+533712+193712+1910513(Top 36%)3093(Top 25%)3093(Top 173%)
FINISH26.22 mi1.02 mi12741+1183676+363676+3611005(Top 38%)3358(Top 27%)3358(Top 188%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21
+97ft-345ft

Overall

14655

Females

4532

F45-49

4532

5K→10K

3.1 - 6.2 mi

Top 52%
×5
+79ft-138ft

Overall

15236

Females

4850

F45-49

4850

10K→15K

6.2 - 9.3 mi

Top 50%
×3
+67ft-78ft

Overall

14655

Females

4532

F45-49

4532

15K→20K

9.3 - 12.4 mi

Top 51%
×5
+106ft-86ft

Overall

14698

Females

4611

F45-49

4611

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14136

Females

4220

F45-49

4220

HALF→25K

13.1 - 15.5 mi

Top 45%
×4
+66ft-88ft

Overall

13086

Females

3779

F45-49

3779

25K→30K

15.5 - 18.6 mi

Top 41%
×9
+181ft-148ft

Overall

11960

Females

3288

F45-49

3288

30K→20M

18.6 - 20.0 mi

Top 38%
×5
+64ft-50ft

Overall

11032

Females

2913

F45-49

2913

20M→21M

20.0 - 21.0 mi

Top 42%
×8
+106ft-24ft

Overall

12197

Females

3636

F45-49

3636

21M→35K

21.0 - 21.8 mi

Top 34%
×7
+17ft-86ft

Overall

9810

Females

2419

F45-49

2419

35K→23M

21.8 - 23.0 mi

Top 34%
×5
+23ft-63ft

Overall

9942

Females

2572

F45-49

2572

23M→24M

23.0 - 24.0 mi

Top 32%
×6
+12ft-82ft

Overall

9410

Females

2383

F45-49

2383

24M→40K

24.0 - 24.9 mi

Top 37%
×1
+6ft-20ft

Overall

10648

Females

3088

F45-49

3088

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1
+13ft-16ft

Overall

10513

Females

3093

F45-49

3093

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

11005

Females

3358

F45-49

3358

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2935*
Passed By
621
Net Change
+2181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14922
5K10K200200-133#14922#15055
10K15K310*121+189#15055#14866
15K20K211*148+63#14866#14803
20KHALF5317+36#14803#14767
HALF25K329*19+310#14767#14457
25K30K528*15+513#14457#13944
30K20M257*11+246#13944#13698
20M21M13929+110#13698#13588
21M35K1652+163#13588#13425
35K23M237*7+230#13425#13195
23M24M1776+171#13195#13024
24M40K13119+112#13024#12912
40K25.2M596+53#12912#12859
25.2MFINISH13921+118#12859#12741
TOTALS2935*621+2181

* 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

Activity Data

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