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BOSTON MARATHON 2023

Kiersten Martin

Bib: 27101•F

NJ

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
32:35
Rank: #24683
Start → 5K
32:35 | 10:29/mi
10K· 6.21 mi
1:01:58
Rank: #23569 (+1114)
5K → 10K
29:23 | 9:27/mi
15K· 9.32 mi
1:36:20
Rank: #24303 (-734)
10K → 15K
34:22 | 11:04/mi
20K· 12.43 mi
2:18:09
Rank: #25387 (-1084)
15K → 20K
41:49 | 13:28/mi
Half· 13.11 mi
2:27:00
Rank: #25472 (-85)
20K → Half
8:51 | 12:58/mi
25K· 15.53 mi
2:58:13
Rank: #25578 (-106)
Half → 25K
31:13 | 12:53/mi
30K· 18.64 mi
3:39:54
Rank: #25635 (-57)
25K → 30K
41:41 | 13:25/mi
20M
3:56:23
Rank: #25549 (+86)
30K → 20M
16:29 | 12:08/mi
21M
4:10:41
Rank: #25546 (+3)
20M → 21M
14:18 | 14:18/mi
35K· 21.75 mi
4:19:57
Rank: #25537 (+9)
21M → 35K
9:16 | 12:23/mi
23M
4:35:43
Rank: #25491 (+46)
35K → 23M
15:46 | 12:36/mi
24M
4:47:02
Rank: #25447 (+44)
23M → 24M
11:19 | 11:19/mi
40K· 24.85 mi
4:57:35
Rank: #25409 (+38)
24M → 40K
10:33 | 12:20/mi
25.2M
5:01:37
Rank: #25380 (+29)
40K → 25.2M
4:02 | 11:42/mi
Finish· 26.22 mi
5:12:08
Rank: #25325 (+55)
25.2M → Finish
10:31 | 10:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:00
Pace11:13 /mi
2nd Half
Distance13.11 mi
Time2:45:08
Pace12:36 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4532:3510:2932:35
10:29
-
10K
6.21 mi12:19:081:01:589:5829:23
9:27
-1:02
15K
9.32 mi12:53:301:36:2010:2034:22
11:04
+1:37
20K
12.43 mi13:35:192:18:0911:0741:49
13:28
+2:24
Half
13.11 mi13:44:102:27:0011:138:51
12:58
-0:30
25K
15.53 mi14:15:232:58:1311:2831:13
12:53
-0:05
30K
18.64 mi14:57:043:39:5411:4841:41
13:25
+0:32
20M
20.00 mi15:13:333:56:2311:4916:29
12:08
-1:17
21M
21.00 mi15:27:514:10:4111:5614:18
14:18
+2:10
35K
21.75 mi15:37:074:19:5711:579:16
12:23
-1:55
23M
23.00 mi15:52:534:35:4311:5915:46
12:36
+0:13
24M
24.00 mi16:04:124:47:0211:5811:19
11:19
-1:17
40K
24.85 mi16:14:454:57:3511:5810:33
12:20
+1:01
25.2M
25.20 mi16:18:475:01:3711:584:02
11:42
-0:38
Finish
26.22 mi16:29:185:12:0811:5510:31
10:19
-1:23

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

9:27 /mi

Average Pace

11:55 /mi

Slowest Pace

14:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:10

38% of race

Time at Steady Pace

1:36:10

31% of race

Time at Slower Pace

1:37:48

31% of race

Average Pace: 11:54 /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 mi11:49:4532:3510:2932:35
10:29
#24683
10K
6.21 mi12:19:081:01:589:5829:23
9:27
#23569
15K
9.32 mi12:53:301:36:2010:2034:22
11:04
#24303
20K
12.43 mi13:35:192:18:0911:0741:49
13:28
#25387
Half
13.11 mi13:44:102:27:0011:138:51
12:58
#25472
25K
15.53 mi14:15:232:58:1311:2831:13
12:53
#25578
30K
18.64 mi14:57:043:39:5411:4841:41
13:25
#25635
20M
20.00 mi15:13:333:56:2311:4916:29
12:08
#25549
21M
21.00 mi15:27:514:10:4111:5614:18
14:18
#25546
35K
21.75 mi15:37:074:19:5711:579:16
12:23
#25537
23M
23.00 mi15:52:534:35:4311:5915:46
12:36
#25491
24M
24.00 mi16:04:124:47:0211:5811:19
11:19
#25447
40K
24.85 mi16:14:454:57:3511:5810:33
12:20
#25409
25.2M
25.20 mi16:18:475:01:3711:584:02
11:42
#25380
Finish
26.22 mi16:29:185:12:0811:5510:31
10:19
#25325
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24683102641026425285(Top 95%)10623(Top 93%)10623(Top 218%)
10K6.21 mi3.10 mi23569+11149660+6049660+60422400(Top 84%)9035(Top 79%)9035(Top 185%)
15K9.32 mi3.11 mi24303-73410057-39710057-39725285(Top 95%)10623(Top 93%)10623(Top 218%)
20K12.43 mi3.11 mi25387-108410682-62510682-62526409(Top 99%)11303(Top 99%)11303(Top 231%)
Half13.11 mi0.68 mi25472-8510729-4710729-4726352(Top 99%)11275(Top 99%)11275(Top 231%)
25K15.53 mi2.42 mi25578-10610803-7410803-7425799(Top 97%)10963(Top 96%)10963(Top 224%)
30K18.64 mi3.11 mi25635-5710847-4410847-4425707(Top 97%)10953(Top 96%)10953(Top 224%)
20M20.00 mi1.36 mi25549+8610804+4310804+4324364(Top 92%)10274(Top 90%)10274(Top 210%)
21M21.00 mi1.00 mi25546+310809-510809-525299(Top 95%)10761(Top 94%)10761(Top 220%)
35K21.75 mi0.75 mi25537+910807+210807+225069(Top 94%)10692(Top 94%)10692(Top 219%)
23M23.00 mi1.25 mi25491+4610791+1610791+1624690(Top 93%)10483(Top 92%)10483(Top 215%)
24M24.00 mi1.00 mi25447+4410766+2510766+2523632(Top 89%)9968(Top 87%)9968(Top 204%)
40K24.85 mi0.85 mi25409+3810747+1910747+1924283(Top 91%)10329(Top 90%)10329(Top 211%)
25.2M25.20 mi0.35 mi25380+2910736+1110736+1122004(Top 83%)9145(Top 80%)9145(Top 187%)
Finish26.22 mi1.02 mi25325+5510706+3010706+3022630(Top 85%)9467(Top 83%)9467(Top 194%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25285

Females

10623

F18-39

10623

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

22400

Females

9035

F18-39

9035

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25285

Females

10623

F18-39

10623

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

26409

Females

11303

F18-39

11303

20K→Half

12.4 - 13.1 mi

Top 99%
×2stories
+19ft-37ft

Overall

26352

Females

11275

F18-39

11275

Half→25K

13.1 - 15.5 mi

Top 97%
×4stories
+66ft-88ft

Overall

25799

Females

10963

F18-39

10963

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

25707

Females

10953

F18-39

10953

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24364

Females

10274

F18-39

10274

20M→21M

20.0 - 21.0 mi

Top 95%
×8stories
+106ft-24ft

Overall

25299

Females

10761

F18-39

10761

21M→35K

21.0 - 21.8 mi

Top 94%
×7stories
+17ft-86ft

Overall

25069

Females

10692

F18-39

10692

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

24690

Females

10483

F18-39

10483

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23632

Females

9968

F18-39

9968

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24283

Females

10329

F18-39

10329

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22004

Females

9145

F18-39

9145

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22630

Females

9467

F18-39

9467

Passing Analysis

Category:
Athletes Passed
1555
Passed By
2197
Net Change
-642
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24683
5K → 10K11206+1114#24683#23569
10K → 15K7741-734#23569#24303
15K → 20K21086-1084#24303#25387
20K → Half085-85#25387#25472
Half → 25K28134-106#25472#25578
25K → 30K4299-57#25578#25635
30K → 20M882+86#25635#25549
20M → 21M2421+3#25549#25546
21M → 35K2213+9#25546#25537
35K → 23M504+46#25537#25491
23M → 24M473+44#25491#25447
24M → 40K413+38#25447#25409
40K → 25.2M290+29#25409#25380
25.2M → Finish550+55#25380#25325
TOTALS15552197-642
📊

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