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BOSTON MARATHON 2023

Janet Perkins-Howland

Bib: 24157•F

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:56
Rank: #20411
Start → 5K
27:56 | 8:59/mi
10K· 6.21 mi
56:45
Rank: #21184 (-773)
5K → 10K
28:49 | 9:17/mi
15K· 9.32 mi
1:26:07
Rank: #21497 (-313)
10K → 15K
29:22 | 9:27/mi
20K· 12.43 mi
1:55:19
Rank: #21441 (+56)
15K → 20K
29:12 | 9:24/mi
Half· 13.11 mi
2:01:57
Rank: #21505 (-64)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:24:52
Rank: #21363 (+142)
Half → 25K
22:55 | 9:27/mi
30K· 18.64 mi
2:55:22
Rank: #21196 (+167)
25K → 30K
30:30 | 9:49/mi
20M
3:08:09
Rank: #20982 (+214)
30K → 20M
12:47 | 9:24/mi
21M
3:18:09
Rank: #20813 (+169)
20M → 21M
10:00 | 10:00/mi
35K· 21.75 mi
3:24:59
Rank: #20716 (+97)
21M → 35K
6:50 | 9:08/mi
23M
3:36:48
Rank: #20553 (+163)
35K → 23M
11:49 | 9:26/mi
24M
3:46:54
Rank: #20578 (-25)
23M → 24M
10:06 | 10:06/mi
40K· 24.85 mi
3:54:53
Rank: #20454 (+124)
24M → 40K
7:59 | 9:20/mi
25.2M
3:58:38
Rank: #20443 (+11)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
4:08:39
Rank: #20480 (-37)
25.2M → Finish
10:01 | 9:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:57
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:06:42
Pace9:40 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:0527:568:5927:56
8:59
-
10K
6.21 mi12:11:5456:459:0828:49
9:17
+0:18
15K
9.32 mi12:41:161:26:079:1429:22
9:27
+0:10
20K
12.43 mi13:10:281:55:199:1729:12
9:24
-0:03
Half
13.11 mi13:17:062:01:579:186:38
9:43
+0:19
25K
15.53 mi13:40:012:24:529:2022:55
9:27
-0:16
30K
18.64 mi14:10:312:55:229:2430:30
9:49
+0:22
20M
20.00 mi14:23:183:08:099:2412:47
9:24
-0:25
21M
21.00 mi14:33:183:18:099:2610:00
10:00
+0:36
35K
21.75 mi14:40:083:24:599:266:50
9:08
-0:52
23M
23.00 mi14:51:573:36:489:2611:49
9:26
+0:18
24M
24.00 mi15:02:033:46:549:2710:06
10:06
+0:40
40K
24.85 mi15:10:023:54:539:277:59
9:20
-0:46
25.2M
25.20 mi15:13:473:58:389:283:45
10:52
+1:32
Finish
26.22 mi15:23:484:08:399:2910:01
9:50
-1:02

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

8:59 /mi

Average Pace

9:29 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:46

14% of race

Time at Steady Pace

2:22:53

57% of race

Time at Slower Pace

1:11:00

29% of race

Average Pace: 9:29 /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 mi11:43:0527:568:5927:56
8:59
#20411
10K
6.21 mi12:11:5456:459:0828:49
9:17
#21184
15K
9.32 mi12:41:161:26:079:1429:22
9:27
#21497
20K
12.43 mi13:10:281:55:199:1729:12
9:24
#21441
Half
13.11 mi13:17:062:01:579:186:38
9:43
#21505
25K
15.53 mi13:40:012:24:529:2022:55
9:27
#21363
30K
18.64 mi14:10:312:55:229:2430:30
9:49
#21196
20M
20.00 mi14:23:183:08:099:2412:47
9:24
#20982
21M
21.00 mi14:33:183:18:099:2610:00
10:00
#20813
35K
21.75 mi14:40:083:24:599:266:50
9:08
#20716
23M
23.00 mi14:51:573:36:489:2611:49
9:26
#20553
24M
24.00 mi15:02:033:46:549:2710:06
10:06
#20578
40K
24.85 mi15:10:023:54:539:277:59
9:20
#20454
25.2M
25.20 mi15:13:473:58:389:283:45
10:52
#20443
Finish
26.22 mi15:23:484:08:399:2910:01
9:50
#20480
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi204118061806122112(Top 83%)8854(Top 78%)8854(Top 1680%)
10K6.21 mi3.10 mi21184-7738411-3508411-35021853(Top 82%)8741(Top 77%)8741(Top 1659%)
15K9.32 mi3.11 mi21497-3138554-1438554-14322112(Top 83%)8854(Top 78%)8854(Top 1680%)
20K12.43 mi3.11 mi21441+568519+358519+3521246(Top 80%)8370(Top 73%)8370(Top 1588%)
Half13.11 mi0.68 mi21505-648550-318550-3122706(Top 85%)9182(Top 80%)9182(Top 1742%)
25K15.53 mi2.42 mi21363+1428468+828468+8220687(Top 78%)8095(Top 71%)8095(Top 1536%)
30K18.64 mi3.11 mi21196+1678393+758393+7520505(Top 77%)8059(Top 71%)8059(Top 1529%)
20M20.00 mi1.36 mi20982+2148285+1088285+10818513(Top 70%)7043(Top 62%)7043(Top 1336%)
21M21.00 mi1.00 mi20813+1698199+868199+8618058(Top 68%)6806(Top 60%)6806(Top 1291%)
35K21.75 mi0.75 mi20716+978157+428157+4218523(Top 70%)7131(Top 62%)7131(Top 1353%)
23M23.00 mi1.25 mi20553+1638080+778080+7718105(Top 68%)6932(Top 61%)6932(Top 1315%)
24M24.00 mi1.00 mi20578-258107-278107-2721071(Top 79%)8588(Top 75%)8588(Top 1630%)
40K24.85 mi0.85 mi20454+1248041+668041+6617727(Top 67%)6813(Top 60%)6813(Top 1293%)
25.2M25.20 mi0.35 mi20443+118043-28043-220186(Top 76%)8155(Top 71%)8155(Top 1547%)
Finish26.22 mi1.02 mi20480-378076-338076-3321263(Top 80%)8695(Top 76%)8695(Top 1650%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

22112

Females

8854

F60-64

8854

5K→10K

3.1 - 6.2 mi

Top 82%
×5stories
+79ft-138ft

Overall

21853

Females

8741

F60-64

8741

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

22112

Females

8854

F60-64

8854

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

21246

Females

8370

F60-64

8370

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22706

Females

9182

F60-64

9182

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20687

Females

8095

F60-64

8095

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20505

Females

8059

F60-64

8059

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18513

Females

7043

F60-64

7043

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18058

Females

6806

F60-64

6806

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

18523

Females

7131

F60-64

7131

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18105

Females

6932

F60-64

6932

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

21071

Females

8588

F60-64

8588

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17727

Females

6813

F60-64

6813

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20186

Females

8155

F60-64

8155

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2stories
+22ft-21ft

Overall

21263

Females

8695

F60-64

8695

Passing Analysis

Category:
Athletes Passed
1588
Passed By
1657
Net Change
-69
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20411
5K → 10K67840-773#20411#21184
10K → 15K62375-313#21184#21497
15K → 20K163107+56#21497#21441
20K → Half1074-64#21441#21505
Half → 25K17836+142#21505#21363
25K → 30K22659+167#21363#21196
30K → 20M2151+214#21196#20982
20M → 21M1723+169#20982#20813
21M → 35K1014+97#20813#20716
35K → 23M1729+163#20716#20553
23M → 24M3863-25#20553#20578
24M → 40K1262+124#20578#20454
40K → 25.2M2817+11#20454#20443
25.2M → Finish3067-37#20443#20480
TOTALS15881657-69
📊

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