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BOSTON MARATHON 2023

Kelsey Perkins

Bib: 30052•F

MA

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
34:37
Rank: #25869
Start → 5K
11:09/mi
34:37 split
10K· 6.21 mi
1:08:55
Rank: #25717 (+152)
5K → 10K
11:02/mi
34:18 split
15K· 9.32 mi
1:43:08
Rank: #25537 (+180)
10K → 15K
11:01/mi
34:13 split
20K· 12.43 mi
2:18:01
Rank: #25371 (+166)
15K → 20K
11:14/mi
34:53 split
Half· 13.11 mi
2:25:39
Rank: #25357 (+14)
20K → Half
11:11/mi
7:38 split
25K· 15.53 mi
2:52:49
Rank: #25187 (+170)
Half → 25K
11:12/mi
27:10 split
30K· 18.64 mi
3:27:53
Rank: #24915 (+272)
25K → 30K
11:17/mi
35:04 split
20M
3:43:16
Rank: #24793 (+122)
30K → 20M
11:19/mi
15:23 split
21M
3:55:00
Rank: #24689 (+104)
20M → 21M
11:44/mi
11:44 split
35K· 21.75 mi
4:03:25
Rank: #24647 (+42)
21M → 35K
11:15/mi
8:25 split
23M
4:17:51
Rank: #24568 (+79)
35K → 23M
11:32/mi
14:26 split
24M
4:29:10
Rank: #24519 (+49)
23M → 24M
11:19/mi
11:19 split
40K· 24.85 mi
4:38:52
Rank: #24480 (+39)
24M → 40K
11:21/mi
9:42 split
25.2M
4:43:01
Rank: #24459 (+21)
40K → 25.2M
12:02/mi
4:09 split
Finish· 26.22 mi
4:54:12
Rank: #24451 (+8)
25.2M → Finish
10:58/mi
11:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:39
Pace11:07 /mi
2nd Half
Distance13.11 mi
Time2:28:33
Pace11:20 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5234:3711:0934:37
11:09
-
10K
6.21 mi12:28:101:08:5511:0534:18
11:02
-0:07
15K
9.32 mi13:02:231:43:0811:0434:13
11:01
-0:01
20K
12.43 mi13:37:162:18:0111:0634:53
11:14
+0:13
Half
13.11 mi13:44:542:25:3911:077:38
11:11
-0:03
25K
15.53 mi14:12:042:52:4911:0727:10
11:12
+0:01
30K
18.64 mi14:47:083:27:5311:0935:04
11:17
+0:05
20M
20.00 mi15:02:313:43:1611:1015:23
11:19
+0:02
21M
21.00 mi15:14:153:55:0011:1111:44
11:44
+0:25
35K
21.75 mi15:22:404:03:2511:128:25
11:15
-0:29
23M
23.00 mi15:37:064:17:5111:1314:26
11:32
+0:17
24M
24.00 mi15:48:254:29:1011:1311:19
11:19
-0:13
40K
24.85 mi15:58:074:38:5211:139:42
11:21
+0:02
25.2M
25.20 mi16:02:164:43:0111:144:09
12:02
+0:41
Finish
26.22 mi16:13:274:54:1211:1411:11
10:58
-1:04

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

10:58 /mi

Average Pace

11:14 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:23:53

90% of race

Time at Steady Pace

30:19

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:13 /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 mi11:53:5234:3711:0934:37
11:09
#25869
10K
6.21 mi12:28:101:08:5511:0534:18
11:02
#25717
15K
9.32 mi13:02:231:43:0811:0434:13
11:01
#25537
20K
12.43 mi13:37:162:18:0111:0634:53
11:14
#25371
Half
13.11 mi13:44:542:25:3911:077:38
11:11
#25357
25K
15.53 mi14:12:042:52:4911:0727:10
11:12
#25187
30K
18.64 mi14:47:083:27:5311:0935:04
11:17
#24915
20M
20.00 mi15:02:313:43:1611:1015:23
11:19
#24793
21M
21.00 mi15:14:153:55:0011:1111:44
11:44
#24689
35K
21.75 mi15:22:404:03:2511:128:25
11:15
#24647
23M
23.00 mi15:37:064:17:5111:1314:26
11:32
#24568
24M
24.00 mi15:48:254:29:1011:1311:19
11:19
#24519
40K
24.85 mi15:58:074:38:5211:139:42
11:21
#24480
25.2M
25.20 mi16:02:164:43:0111:144:09
12:02
#24459
Finish
26.22 mi16:13:274:54:1211:1411:11
10:58
#24451
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25869109681096825189(Top 95%)10566(Top 92%)10566(Top 216%)
10K6.21 mi3.10 mi25717+15210870+9810870+9825512(Top 96%)10742(Top 94%)10742(Top 220%)
15K9.32 mi3.11 mi25537+18010758+11210758+11225189(Top 95%)10566(Top 92%)10566(Top 216%)
20K12.43 mi3.11 mi25371+16610670+8810670+8824919(Top 94%)10433(Top 91%)10433(Top 214%)
Half13.11 mi0.68 mi25357+1410665+510665+525193(Top 95%)10605(Top 93%)10605(Top 217%)
25K15.53 mi2.42 mi25187+17010577+8810577+8824281(Top 91%)10105(Top 88%)10105(Top 207%)
30K18.64 mi3.11 mi24915+27210440+13710440+13723564(Top 89%)9767(Top 86%)9767(Top 200%)
20M20.00 mi1.36 mi24793+12210382+5810382+5823230(Top 87%)9643(Top 84%)9643(Top 197%)
21M21.00 mi1.00 mi24689+10410323+5910323+5922308(Top 84%)9173(Top 80%)9173(Top 188%)
35K21.75 mi0.75 mi24647+4210308+1510308+1523741(Top 89%)10013(Top 88%)10013(Top 205%)
23M23.00 mi1.25 mi24568+7910266+4210266+4223309(Top 88%)9755(Top 85%)9755(Top 200%)
24M24.00 mi1.00 mi24519+4910257+910257+923625(Top 89%)9961(Top 87%)9961(Top 204%)
40K24.85 mi0.85 mi24480+3910237+2010237+2022975(Top 86%)9651(Top 84%)9651(Top 198%)
25.2M25.20 mi0.35 mi24459+2110229+810229+822598(Top 85%)9458(Top 83%)9458(Top 194%)
Finish26.22 mi1.02 mi24451+810234-510234-523932(Top 90%)10128(Top 89%)10128(Top 207%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25189

Females

10566

F18-39

10566

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25512

Females

10742

F18-39

10742

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25189

Females

10566

F18-39

10566

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

24919

Females

10433

F18-39

10433

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

25193

Females

10605

F18-39

10605

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

24281

Females

10105

F18-39

10105

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23564

Females

9767

F18-39

9767

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23230

Females

9643

F18-39

9643

20M→21M

20.0 - 21.0 mi

Top 84%
×8stories
+106ft-24ft

Overall

22308

Females

9173

F18-39

9173

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

23741

Females

10013

F18-39

10013

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23309

Females

9755

F18-39

9755

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23625

Females

9961

F18-39

9961

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

22975

Females

9651

F18-39

9651

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22598

Females

9458

F18-39

9458

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

23932

Females

10128

F18-39

10128

Passing Analysis

Category:
Athletes Passed
1589
Passed By
171
Net Change
+1418
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25869
5K → 10K20957+152#25869#25717
10K → 15K20121+180#25717#25537
15K → 20K18923+166#25537#25371
20K → Half239+14#25371#25357
Half → 25K1766+170#25357#25187
25K → 30K2731+272#25187#24915
30K → 20M1253+122#24915#24793
20M → 21M1051+104#24793#24689
21M → 35K486+42#24689#24647
35K → 23M9011+79#24647#24568
23M → 24M5910+49#24568#24519
24M → 40K434+39#24519#24480
40K → 25.2M221+21#24480#24459
25.2M → Finish2618+8#24459#24451
TOTALS1589171+1418
📊

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