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BOSTON MARATHON 2023

Sarah Kuchar

Bib: 15597•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 24%
Masters (Masters Women)
#0 / 6539
Top 12%
Division (F40-44)
#0 / 1878
Top 24%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:41/mi
23:51
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
47:53
↑ 79↓ 1380.4%
15K· 9.32 mi
7:46/mi
1:12:02
↑ 67↓ 78
20K· 12.43 mi
7:49/mi
1:36:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:41:36
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
2:00:36
↑ 66↓ 880.2%
30K· 18.64 mi
8:01/mi
2:25:31
↑ 181↓ 1480.2%
20M
8:03/mi
2:36:28
↑ 64↓ 500.2%
21M
8:28/mi
2:44:56
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:50:47
↑ 17↓ 861.7%
23M
8:09/mi
3:00:59
↑ 23↓ 630.6%
24M
7:56/mi
3:08:55
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:15:50
↓ 200.3%
25.2M
8:51/mi
3:18:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:01/mi
3:27:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:36
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:45:27
Pace8:03 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:3723:517:4123:51
7:41
-
10K
6.21 mi11:17:3947:537:4224:02
7:44
+0:03
15K
9.32 mi11:41:481:12:027:4424:09
7:46
+0:02
20K
12.43 mi12:06:051:36:197:4524:17
7:49
+0:03
Half
13.11 mi12:11:221:41:367:455:17
7:45
-0:04
25K
15.53 mi12:30:222:00:367:4619:00
7:50
+0:05
30K
18.64 mi12:55:172:25:317:4824:55
8:01
+0:11
20M
20.00 mi13:06:142:36:287:4910:57
8:03
+0:02
21M
21.00 mi13:14:422:44:567:518:28
8:28
+0:25
35K
21.75 mi13:20:332:50:477:515:51
7:49
-0:39
23M
23.00 mi13:30:453:00:597:5210:12
8:09
+0:20
24M
24.00 mi13:38:413:08:557:527:56
7:56
-0:13
40K
24.85 mi13:45:363:15:507:536:55
8:05
+0:09
25.2M
25.20 mi13:48:393:18:537:543:03
8:51
+0:46
Finish
26.22 mi13:56:493:27:037:548:10
8:01
-0:50

Checkpoints & Pacing

📈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

7:41 /mi

Average Pace

7:54 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:15:32

94% of race

Time at Steady Pace

11:31

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:54 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:53:3723:517:4123:51
7:41
#11257
10K
6.21 mi11:17:3947:537:4224:02
7:44
#11877
15K
9.32 mi11:41:481:12:027:4424:09
7:46
#12058
20K
12.43 mi12:06:051:36:197:4524:17
7:49
#11972
Half
13.11 mi12:11:221:41:367:455:17
7:45
#11989
25K
15.53 mi12:30:222:00:367:4619:00
7:50
#11838
30K
18.64 mi12:55:172:25:317:4824:55
8:01
#11667
20M
20.00 mi13:06:142:36:287:4910:57
8:03
#11567
21M
21.00 mi13:14:422:44:567:518:28
8:28
#11464
35K
21.75 mi13:20:332:50:477:515:51
7:49
#11417
23M
23.00 mi13:30:453:00:597:5210:12
8:09
#11382
24M
24.00 mi13:38:413:08:557:527:56
7:56
#11337
40K
24.85 mi13:45:363:15:507:536:55
8:05
#11290
25.2M
25.20 mi13:48:393:18:537:543:03
8:51
#11298
Finish
26.22 mi13:56:493:27:037:548:10
8:01
#11311
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi112572465246512500(Top 47%)3183(Top 28%)3183(Top 169%)
10K6.21 mi3.10 mi11877-6202805-3402805-34012559(Top 47%)3179(Top 28%)3179(Top 169%)
15K9.32 mi3.11 mi12058-1812923-1182923-11812500(Top 47%)3183(Top 28%)3183(Top 169%)
20K12.43 mi3.11 mi11972+862897+262897+2611883(Top 45%)2897(Top 25%)2897(Top 154%)
Half13.11 mi0.68 mi11989-172912-152912-1512268(Top 46%)3060(Top 27%)3060(Top 163%)
25K15.53 mi2.42 mi11838+1512834+782834+7811409(Top 43%)2721(Top 24%)2721(Top 145%)
30K18.64 mi3.11 mi11667+1712788+462788+4611074(Top 42%)2678(Top 23%)2678(Top 143%)
20M20.00 mi1.36 mi11567+1002749+392749+3910736(Top 40%)2604(Top 23%)2604(Top 139%)
21M21.00 mi1.00 mi11464+1032707+422707+4210316(Top 39%)2543(Top 22%)2543(Top 135%)
35K21.75 mi0.75 mi11417+472699+82699+810842(Top 41%)2794(Top 24%)2794(Top 149%)
23M23.00 mi1.25 mi11382+352709-102709-1010824(Top 41%)2926(Top 26%)2926(Top 156%)
24M24.00 mi1.00 mi11337+452703+62703+610798(Top 41%)2977(Top 26%)2977(Top 159%)
40K24.85 mi0.85 mi11290+472702+12702+110665(Top 40%)2969(Top 26%)2969(Top 158%)
25.2M25.20 mi0.35 mi11298-82716-142716-1411617(Top 44%)3513(Top 31%)3513(Top 187%)
Finish26.22 mi1.02 mi11311-132742-262742-2612239(Top 46%)3823(Top 33%)3823(Top 204%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

12500

Females

3183

F40-44

3183

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12559

Females

3179

F40-44

3179

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

12500

Females

3183

F40-44

3183

15K→20K

9.3 - 12.4 mi

Top 45%
×5story building
+106ft-86ft

Overall

11883

Females

2897

F40-44

2897

20K→Half

12.4 - 13.1 mi

Top 46%
×2story building
+19ft-37ft

Overall

12268

Females

3060

F40-44

3060

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11409

Females

2721

F40-44

2721

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

11074

Females

2678

F40-44

2678

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10736

Females

2604

F40-44

2604

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10316

Females

2543

F40-44

2543

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10842

Females

2794

F40-44

2794

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10824

Females

2926

F40-44

2926

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10798

Females

2977

F40-44

2977

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10665

Females

2969

F40-44

2969

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11617

Females

3513

F40-44

3513

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12239

Females

3823

F40-44

3823

Passing Analysis

Category:
Athletes Passed
1690
Passed By
1744
Net Change
-54
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11257
5K → 10K112732-620#11257#11877
10K → 15K133314-181#11877#12058
15K → 20K208122+86#12058#11972
20K → Half1734-17#11972#11989
Half → 25K21362+151#11989#11838
25K → 30K26594+171#11838#11667
30K → 20M14747+100#11667#11567
20M → 21M14239+103#11567#11464
21M → 35K7730+47#11464#11417
35K → 23M10974+35#11417#11382
23M → 24M8136+45#11382#11337
24M → 40K8841+47#11337#11290
40K → 25.2M3240-8#11290#11298
25.2M → Finish6679-13#11298#11311
TOTALS16901744-54
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing