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BOSTON MARATHON 2023

Sarah Kendrick

Bib: 17771•F

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
Division (F18-39)
#0 / 4884
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
8:11/mi
25:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
49:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:15:01
↑ 67↓ 78
20K· 12.43 mi
7:59/mi
1:39:49
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:45:08
↑ 19↓ 370.5%
25K· 15.53 mi
8:05/mi
2:04:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:30:56
↑ 181↓ 1480.2%
20M
8:31/mi
2:42:30
↑ 64↓ 500.2%
21M
9:05/mi
2:51:35
↑ 106↓ 241.6%
35K· 21.75 mi
8:16/mi
2:57:46
↑ 17↓ 861.7%
23M
8:32/mi
3:08:27
↑ 23↓ 630.6%
24M
8:30/mi
3:16:57
↓ 821.3%
40K· 24.85 mi
8:49/mi
3:24:29
↓ 200.3%
25.2M
9:31/mi
3:27:46
↑ 13↓ 160.2%
Finish· 26.22 mi
8:41/mi
3:36:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:08
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:51:29
Pace8:30 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0825:278:1125:27
8:11
-
10K
6.21 mi11:40:1049:297:5824:02
7:44
-0:27
15K
9.32 mi12:05:421:15:018:0325:32
8:13
+0:29
20K
12.43 mi12:30:301:39:498:0224:48
7:59
-0:14
Half
13.11 mi12:35:491:45:088:015:19
7:48
-0:11
25K
15.53 mi12:55:252:04:448:0219:36
8:05
+0:17
30K
18.64 mi13:21:372:30:568:0626:12
8:26
+0:21
20M
20.00 mi13:33:112:42:308:0711:34
8:31
+0:05
21M
21.00 mi13:42:162:51:358:109:05
9:05
+0:34
35K
21.75 mi13:48:272:57:468:106:11
8:16
-0:49
23M
23.00 mi13:59:083:08:278:1210:41
8:32
+0:16
24M
24.00 mi14:07:383:16:578:128:30
8:30
-0:02
40K
24.85 mi14:15:103:24:298:147:32
8:49
+0:19
25.2M
25.20 mi14:18:273:27:468:153:17
9:31
+0:42
Finish
26.22 mi14:27:183:36:378:168:51
8:41
-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

7:44 /mi

Average Pace

8:16 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:12

46% of race

Time at Steady Pace

1:28:40

41% of race

Time at Slower Pace

28:45

13% of race

Average Pace: 8:16 /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 mi11:16:0825:278:1125:27
8:11
#15413
10K
6.21 mi11:40:1049:297:5824:02
7:44
#14108
15K
9.32 mi12:05:421:15:018:0325:32
8:13
#14735
20K
12.43 mi12:30:301:39:498:0224:48
7:59
#14344
Half
13.11 mi12:35:491:45:088:015:19
7:48
#14265
25K
15.53 mi12:55:252:04:448:0219:36
8:05
#14094
30K
18.64 mi13:21:372:30:568:0626:12
8:26
#14086
20M
20.00 mi13:33:112:42:308:0711:34
8:31
#14047
21M
21.00 mi13:42:162:51:358:109:05
9:05
#13992
35K
21.75 mi13:48:272:57:468:106:11
8:16
#13972
23M
23.00 mi13:59:083:08:278:1210:41
8:32
#13913
24M
24.00 mi14:07:383:16:578:128:30
8:30
#13932
40K
24.85 mi14:15:103:24:298:147:32
8:49
#13950
25.2M
25.20 mi14:18:273:27:468:153:17
9:31
#13983
Finish
26.22 mi14:27:183:36:378:168:51
8:41
#14088
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi154134907490715988(Top 60%)5288(Top 46%)5288(Top 108%)
10K6.21 mi3.10 mi14108+13054109+7984109+79812577(Top 47%)3197(Top 28%)3197(Top 65%)
15K9.32 mi3.11 mi14735-6274497-3884497-38815988(Top 60%)5288(Top 46%)5288(Top 108%)
20K12.43 mi3.11 mi14344+3914281+2164281+21613291(Top 50%)3705(Top 32%)3705(Top 76%)
Half13.11 mi0.68 mi14265+794239+424239+4212767(Top 48%)3373(Top 30%)3373(Top 69%)
25K15.53 mi2.42 mi14094+1714169+704169+7013420(Top 50%)3875(Top 34%)3875(Top 79%)
30K18.64 mi3.11 mi14086+84198-294198-2913896(Top 52%)4270(Top 37%)4270(Top 87%)
20M20.00 mi1.36 mi14047+394194+44194+413714(Top 52%)4247(Top 37%)4247(Top 87%)
21M21.00 mi1.00 mi13992+554180+144180+1413910(Top 52%)4443(Top 39%)4443(Top 91%)
35K21.75 mi0.75 mi13972+204180418013932(Top 52%)4523(Top 40%)4523(Top 93%)
23M23.00 mi1.25 mi13913+594173+74173+713450(Top 51%)4313(Top 38%)4313(Top 88%)
24M24.00 mi1.00 mi13932-194213-404213-4014482(Top 54%)4939(Top 43%)4939(Top 101%)
40K24.85 mi0.85 mi13950-184241-284241-2815144(Top 57%)5374(Top 47%)5374(Top 110%)
25.2M25.20 mi0.35 mi13983-334267-264267-2615308(Top 58%)5469(Top 48%)5469(Top 112%)
Finish26.22 mi1.02 mi14088-1054354-874354-8716404(Top 62%)6041(Top 53%)6041(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15988

Females

5288

F18-39

5288

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12577

Females

3197

F18-39

3197

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15988

Females

5288

F18-39

5288

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13291

Females

3705

F18-39

3705

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12767

Females

3373

F18-39

3373

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13420

Females

3875

F18-39

3875

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13896

Females

4270

F18-39

4270

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13714

Females

4247

F18-39

4247

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13910

Females

4443

F18-39

4443

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13932

Females

4523

F18-39

4523

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13450

Females

4313

F18-39

4313

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

14482

Females

4939

F18-39

4939

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15144

Females

5374

F18-39

5374

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

15308

Females

5469

F18-39

5469

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16404

Females

6041

F18-39

6041

Passing Analysis

Category:
Athletes Passed
2915
Passed By
1590
Net Change
+1325
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15413
5K → 10K133934+1305#15413#14108
10K → 15K55682-627#14108#14735
15K → 20K43443+391#14735#14344
20K → Half834+79#14344#14265
Half → 25K23059+171#14265#14094
25K → 30K202194+8#14094#14086
30K → 20M11071+39#14086#14047
20M → 21M11459+55#14047#13992
21M → 35K6040+20#13992#13972
35K → 23M11354+59#13972#13913
23M → 24M5776-19#13913#13932
24M → 40K6078-18#13932#13950
40K → 25.2M2053-33#13950#13983
25.2M → Finish38143-105#13983#14088
TOTALS29151590+1325
📊

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