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BOSTON MARATHON 2023

Sarah Kletzer

Bib: 13115•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 36%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:20
Rank: #9734
Start → 5K
23:20 | 7:31/mi
10K· 6.21 mi
46:54
Rank: #10465 (-731)
5K → 10K
23:34 | 7:35/mi
15K· 9.32 mi
1:10:30
Rank: #10616 (-151)
10K → 15K
23:36 | 7:36/mi
20K· 12.43 mi
1:34:54
Rank: #11008 (-392)
15K → 20K
24:24 | 7:51/mi
Half· 13.11 mi
1:40:15
Rank: #11105 (-97)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:00:16
Rank: #11655 (-550)
Half → 25K
20:01 | 8:15/mi
30K· 18.64 mi
2:27:56
Rank: #12790 (-1135)
25K → 30K
27:40 | 8:54/mi
20M
2:39:38
Rank: #12896 (-106)
30K → 20M
11:42 | 8:37/mi
21M
2:49:08
Rank: #13081 (-185)
20M → 21M
9:30 | 9:30/mi
35K· 21.75 mi
2:55:32
Rank: #13186 (-105)
21M → 35K
6:24 | 8:33/mi
23M
3:06:46
Rank: #13355 (-169)
35K → 23M
11:14 | 8:58/mi
24M
3:15:45
Rank: #13547 (-192)
23M → 24M
8:59 | 8:59/mi
40K· 24.85 mi
3:23:23
Rank: #13632 (-85)
24M → 40K
7:38 | 8:56/mi
25.2M
3:26:44
Rank: #13685 (-53)
40K → 25.2M
3:21 | 9:43/mi
Finish· 26.22 mi
3:35:29
Rank: #13768 (-83)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:15
Pace7:39 /mi
2nd Half
Distance13.11 mi
Time1:55:14
Pace8:47 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4423:207:3123:20
7:31
-
10K
6.21 mi11:15:1846:547:3323:34
7:35
+0:04
15K
9.32 mi11:38:541:10:307:3423:36
7:36
+0:01
20K
12.43 mi12:03:181:34:547:3824:24
7:51
+0:15
Half
13.11 mi12:08:391:40:157:395:21
7:50
-0:01
25K
15.53 mi12:28:402:00:167:4520:01
8:15
+0:25
30K
18.64 mi12:56:202:27:567:5627:40
8:54
+0:39
20M
20.00 mi13:08:022:39:387:5911:42
8:37
-0:17
21M
21.00 mi13:17:322:49:088:039:30
9:30
+0:53
35K
21.75 mi13:23:562:55:328:046:24
8:33
-0:57
23M
23.00 mi13:35:103:06:468:0711:14
8:58
+0:25
24M
24.00 mi13:44:093:15:458:098:59
8:59
+0:01
40K
24.85 mi13:51:473:23:238:117:38
8:56
-0:03
25.2M
25.20 mi13:55:083:26:448:123:21
9:43
+0:47
Finish
26.22 mi14:03:533:35:298:138:45
8:35
-1:08

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

7:31 /mi

Average Pace

8:13 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:15

47% of race

Time at Steady Pace

1:14:32

35% of race

Time at Slower Pace

40:42

19% of race

Average Pace: 8:13 /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 mi10:51:4423:207:3123:20
7:31
#9734
10K
6.21 mi11:15:1846:547:3323:34
7:35
#10465
15K
9.32 mi11:38:541:10:307:3423:36
7:36
#10616
20K
12.43 mi12:03:181:34:547:3824:24
7:51
#11008
Half
13.11 mi12:08:391:40:157:395:21
7:50
#11105
25K
15.53 mi12:28:402:00:167:4520:01
8:15
#11655
30K
18.64 mi12:56:202:27:567:5627:40
8:54
#12790
20M
20.00 mi13:08:022:39:387:5911:42
8:37
#12896
21M
21.00 mi13:17:322:49:088:039:30
9:30
#13081
35K
21.75 mi13:23:562:55:328:046:24
8:33
#13186
23M
23.00 mi13:35:103:06:468:0711:14
8:58
#13355
24M
24.00 mi13:44:093:15:458:098:59
8:59
#13547
40K
24.85 mi13:51:473:23:238:117:38
8:56
#13632
25.2M
25.20 mi13:55:083:26:448:123:21
9:43
#13685
Finish
26.22 mi14:03:533:35:298:138:45
8:35
#13768
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi97341728172811011(Top 41%)2355(Top 21%)2355(Top 48%)
10K6.21 mi3.10 mi10465-7312057-3292057-32911213(Top 42%)2445(Top 21%)2445(Top 50%)
15K9.32 mi3.11 mi10616-1512129-722129-7211011(Top 41%)2355(Top 21%)2355(Top 48%)
20K12.43 mi3.11 mi11008-3922334-2052334-20512216(Top 46%)3098(Top 27%)3098(Top 63%)
Half13.11 mi0.68 mi11105-972390-562390-5613188(Top 50%)3622(Top 32%)3622(Top 74%)
25K15.53 mi2.42 mi11655-5502732-3422732-34214642(Top 55%)4610(Top 40%)4610(Top 94%)
30K18.64 mi3.11 mi12790-11353425-6933425-69316676(Top 63%)5872(Top 51%)5872(Top 120%)
20M20.00 mi1.36 mi12896-1063509-843509-8414334(Top 54%)4613(Top 40%)4613(Top 94%)
21M21.00 mi1.00 mi13081-1853627-1183627-11815959(Top 60%)5603(Top 49%)5603(Top 115%)
35K21.75 mi0.75 mi13186-1053702-753702-7515602(Top 59%)5461(Top 48%)5461(Top 112%)
23M23.00 mi1.25 mi13355-1693829-1273829-12715911(Top 60%)5681(Top 50%)5681(Top 116%)
24M24.00 mi1.00 mi13547-1923969-1403969-14017157(Top 64%)6436(Top 56%)6436(Top 132%)
40K24.85 mi0.85 mi13632-854040-714040-7115765(Top 59%)5709(Top 50%)5709(Top 117%)
25.2M25.20 mi0.35 mi13685-534081-414081-4116184(Top 61%)5951(Top 52%)5951(Top 122%)
Finish26.22 mi1.02 mi13768-834154-734154-7315921(Top 60%)5756(Top 50%)5756(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

11011

Females

2355

F18-39

2355

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11213

Females

2445

F18-39

2445

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

11011

Females

2355

F18-39

2355

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12216

Females

3098

F18-39

3098

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13188

Females

3622

F18-39

3622

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14642

Females

4610

F18-39

4610

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16676

Females

5872

F18-39

5872

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14334

Females

4613

F18-39

4613

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15959

Females

5603

F18-39

5603

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15602

Females

5461

F18-39

5461

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

15911

Females

5681

F18-39

5681

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17157

Females

6436

F18-39

6436

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15765

Females

5709

F18-39

5709

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

16184

Females

5951

F18-39

5951

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15921

Females

5756

F18-39

5756

Passing Analysis

Category:
Athletes Passed
668
Passed By
4701
Net Change
-4034
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9734
5K → 10K87817-731#9734#10465
10K → 15K135286-151#10465#10616
15K → 20K62454-392#10616#11008
20K → Half6103-97#11008#11105
Half → 25K26576-550#11105#11655
25K → 30K261161-1135#11655#12790
30K → 20M70176-106#12790#12896
20M → 21M46231-185#12896#13081
21M → 35K27132-105#13081#13186
35K → 23M50219-169#13186#13355
23M → 24M29221-192#13355#13547
24M → 40K40125-85#13547#13632
40K → 25.2M2174-53#13632#13685
25.2M → Finish43126-83#13685#13768
TOTALS6684701-4034
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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