Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Sarah Nadeau

Bib: 17418FAge: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 42%
Age Group (F18-39)
#0 / 5716
Race Day Weather
51°/41°F
overcast clouds
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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
24:04
3.11 mi
Rank: #14985
Start5K
24:04 | 7:45/mi
10K
47:23
6.21 mi
Rank: #13987 (+998)
5K10K
23:19 | 7:31/mi
15K
1:10:57
9.32 mi
Rank: #13782 (+205)
10K15K
23:34 | 7:36/mi
20K
1:36:51
12.43 mi
Rank: #15111 (-1329)
15K20K
25:54 | 8:21/mi
HALF
1:41:55
13.11 mi
Rank: #14968 (+143)
20KHALF
5:04 | 7:26/mi
25K
2:00:50
15.53 mi
Rank: #14754 (+214)
HALF25K
18:55 | 7:49/mi
30K
2:26:30
18.64 mi
Rank: #14839 (-85)
25K30K
25:40 | 8:16/mi
20M
2:38:05
20.00 mi
Rank: #14978 (-139)
30K20M
11:35 | 8:32/mi
21M
2:47:06
21.00 mi
Rank: #15007 (-29)
20M21M
9:01 | 9:01/mi
35K
2:53:28
21.75 mi
Rank: #15130 (-123)
21M35K
6:22 | 8:31/mi
23M
3:04:05
23.00 mi
Rank: #15164 (-34)
35K23M
10:37 | 8:30/mi
24M
3:12:53
24.00 mi
Rank: #15341 (-177)
23M24M
8:48 | 8:48/mi
40K
3:20:26
24.85 mi
Rank: #15434 (-93)
24M40K
7:33 | 8:50/mi
25.2M
3:23:41
25.20 mi
Rank: #15451 (-17)
40K25.2M
3:15 | 9:26/mi
FINISH
3:32:09
26.22 mi
Rank: #15546 (-95)
25.2MFINISH
8:28 | 8:19/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:55
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time1:50:14
Pace8:25 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:5824:047:4524:04
7:45
-
10K
6.21 mi11:29:1747:237:3823:19
7:31
-0:14
15K
9.32 mi11:52:511:10:577:3723:34
7:36
+0:05
20K
12.43 mi12:18:451:36:517:4825:54
8:21
+0:45
HALF
13.11 mi12:23:491:41:557:475:04
7:26
-0:55
25K
15.53 mi12:42:442:00:507:4718:55
7:49
+0:23
30K
18.64 mi13:08:242:26:307:5225:40
8:16
+0:27
20M
20.00 mi13:19:592:38:057:5511:35
8:32
+0:16
21M
21.00 mi13:29:002:47:067:589:01
9:01
+0:29
35K
21.75 mi13:35:222:53:287:596:22
8:31
-0:30
23M
23.00 mi13:45:593:04:058:0110:37
8:30
-0:01
24M
24.00 mi13:54:473:12:538:038:48
8:48
+0:18
40K
24.85 mi14:02:203:20:268:047:33
8:50
+0:02
25.2M
25.20 mi14:05:353:23:418:053:15
9:26
+0:36
FINISH
26.22 mi14:14:033:32:098:068:28
8:19
-1:07

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

7:26 /mi

Average Pace

8:06 /mi

Slowest Pace

9:26 /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

1:34:56

45% of race

Time at Steady Pace

1:28:36

42% of race

Time at Slower Pace

28:37

13% of race

Average Pace: 8:05 /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 mi11:05:5824:047:4524:04
7:45
#14985
10K
6.21 mi11:29:1747:237:3823:19
7:31
#13987
15K
9.32 mi11:52:511:10:577:3723:34
7:36
#13782
20K
12.43 mi12:18:451:36:517:4825:54
8:21
#15111
HALF
13.11 mi12:23:491:41:557:475:04
7:26
#14968
25K
15.53 mi12:42:442:00:507:4718:55
7:49
#14754
30K
18.64 mi13:08:242:26:307:5225:40
8:16
#14839
20M
20.00 mi13:19:592:38:057:5511:35
8:32
#14978
21M
21.00 mi13:29:002:47:067:589:01
9:01
#15007
35K
21.75 mi13:35:222:53:287:596:22
8:31
#15130
23M
23.00 mi13:45:593:04:058:0110:37
8:30
#15164
24M
24.00 mi13:54:473:12:538:038:48
8:48
#15341
40K
24.85 mi14:02:203:20:268:047:33
8:50
#15434
25.2M
25.20 mi14:05:353:23:418:053:15
9:26
#15451
FINISH
26.22 mi14:14:033:32:098:068:28
8:19
#15546
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 mi149854676467613561(Top 47%)3900(Top 31%)3900(Top 68%)
10K6.21 mi3.10 mi13987+9984083+5934083+59313005(Top 45%)3548(Top 28%)3548(Top 62%)
15K9.32 mi3.11 mi13782+2053992+913992+9113561(Top 47%)3900(Top 31%)3900(Top 68%)
20K12.43 mi3.11 mi15111-13294815-8234815-82318332(Top 63%)6703(Top 53%)6703(Top 117%)
HALF13.11 mi0.68 mi14968+1434720+954720+9512544(Top 43%)3354(Top 27%)3354(Top 59%)
25K15.53 mi2.42 mi14754+2144608+1124608+11213875(Top 48%)4229(Top 34%)4229(Top 74%)
30K18.64 mi3.11 mi14839-854696-884696-8815366(Top 53%)5175(Top 41%)5175(Top 91%)
20M20.00 mi1.36 mi14978-1394815-1194815-11916383(Top 56%)5852(Top 47%)5852(Top 102%)
21M21.00 mi1.00 mi15007-294864-494864-4916230(Top 56%)5815(Top 46%)5815(Top 102%)
35K21.75 mi0.75 mi15130-1234946-824946-8217644(Top 61%)6693(Top 53%)6693(Top 117%)
23M23.00 mi1.25 mi15164-344988-424988-4215627(Top 54%)5623(Top 45%)5623(Top 98%)
24M24.00 mi1.00 mi15341-1775113-1255113-12518524(Top 64%)7248(Top 58%)7248(Top 127%)
40K24.85 mi0.85 mi15434-935194-815194-8117561(Top 61%)6807(Top 54%)6807(Top 119%)
25.2M25.20 mi0.35 mi15451-175213-195213-1916967(Top 58%)6473(Top 51%)6473(Top 113%)
FINISH26.22 mi1.02 mi15546-955283-705283-7017107(Top 59%)6571(Top 52%)6571(Top 115%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21
+97ft-345ft

Overall

13561

Females

3900

F18-39

3900

5K→10K

3.1 - 6.2 mi

Top 45%
×5
+79ft-138ft

Overall

13005

Females

3548

F18-39

3548

10K→15K

6.2 - 9.3 mi

Top 47%
×3
+67ft-78ft

Overall

13561

Females

3900

F18-39

3900

15K→20K

9.3 - 12.4 mi

Top 63%
×5
+106ft-86ft

Overall

18332

Females

6703

F18-39

6703

20K→HALF

12.4 - 13.1 mi

Top 43%
×2
+19ft-37ft

Overall

12544

Females

3354

F18-39

3354

HALF→25K

13.1 - 15.5 mi

Top 48%
×4
+66ft-88ft

Overall

13875

Females

4229

F18-39

4229

25K→30K

15.5 - 18.6 mi

Top 53%
×9
+181ft-148ft

Overall

15366

Females

5175

F18-39

5175

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16383

Females

5852

F18-39

5852

20M→21M

20.0 - 21.0 mi

Top 56%
×8
+106ft-24ft

Overall

16230

Females

5815

F18-39

5815

21M→35K

21.0 - 21.8 mi

Top 61%
×7
+17ft-86ft

Overall

17644

Females

6693

F18-39

6693

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15627

Females

5623

F18-39

5623

23M→24M

23.0 - 24.0 mi

Top 64%
×6
+12ft-82ft

Overall

18524

Females

7248

F18-39

7248

24M→40K

24.0 - 24.9 mi

Top 61%
×1
+6ft-20ft

Overall

17561

Females

6807

F18-39

6807

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1
+13ft-16ft

Overall

16967

Females

6473

F18-39

6473

25.2M→FINISH

25.2 - 26.2 mi

Top 59%
×2
+22ft-21ft

Overall

17107

Females

6571

F18-39

6571

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2332*
Passed By
1694
Net Change
-561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14985
5K10K1051*53+998#14985#13987
10K15K311*106+205#13987#13782
15K20K8200-1329#13782#15111
20KHALF1474+143#15111#14968
HALF25K255*41+214#14968#14754
25K30K163200-85#14754#14839
30K20M63200-139#14839#14978
20M21M88117-29#14978#15007
21M35K35158-123#15007#15130
35K23M77111-34#15130#15164
23M24M35200-177#15164#15341
24M40K46139-93#15341#15434
40K25.2M2946-17#15434#15451
25.2MFINISH24119-95#15451#15546
TOTALS2332*1694-561

* 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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