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BOSTON MARATHON 2023

Kerry Robert

Bib: 26243•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:12
Rank: #20783
Start → 5K
28:12 | 9:05/mi
10K· 6.21 mi
56:15
Rank: #20869 (-86)
5K → 10K
28:03 | 9:02/mi
15K· 9.32 mi
1:24:46
Rank: #21018 (-149)
10K → 15K
28:31 | 9:11/mi
20K· 12.43 mi
1:53:09
Rank: #20804 (+214)
15K → 20K
28:23 | 9:08/mi
Half· 13.11 mi
1:59:28
Rank: #20837 (-33)
20K → Half
6:19 | 9:16/mi
25K· 15.53 mi
2:22:04
Rank: #20741 (+96)
Half → 25K
22:36 | 9:19/mi
30K· 18.64 mi
2:51:53
Rank: #20531 (+210)
25K → 30K
29:49 | 9:36/mi
20M
3:05:46
Rank: #20576 (-45)
30K → 20M
13:53 | 10:13/mi
21M
3:17:07
Rank: #20636 (-60)
20M → 21M
11:21 | 11:21/mi
35K· 21.75 mi
3:24:45
Rank: #20678 (-42)
21M → 35K
7:38 | 10:12/mi
23M
3:38:09
Rank: #20757 (-79)
35K → 23M
13:24 | 10:42/mi
24M
3:48:25
Rank: #20776 (-19)
23M → 24M
10:16 | 10:16/mi
40K· 24.85 mi
3:57:25
Rank: #20803 (-27)
24M → 40K
9:00 | 10:32/mi
25.2M
4:01:05
Rank: #20773 (+30)
40K → 25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
4:10:47
Rank: #20741 (+32)
25.2M → Finish
9:42 | 9:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:28
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:11:19
Pace10:01 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3028:129:0528:12
9:05
-
10K
6.21 mi12:12:3356:159:0328:03
9:02
-0:03
15K
9.32 mi12:41:041:24:469:0628:31
9:11
+0:09
20K
12.43 mi13:09:271:53:099:0628:23
9:08
-0:03
Half
13.11 mi13:15:461:59:289:076:19
9:16
+0:08
25K
15.53 mi13:38:222:22:049:0922:36
9:19
+0:03
30K
18.64 mi14:08:112:51:539:1329:49
9:36
+0:17
20M
20.00 mi14:22:043:05:469:1713:53
10:13
+0:37
21M
21.00 mi14:33:253:17:079:2311:21
11:21
+1:08
35K
21.75 mi14:41:033:24:459:257:38
10:12
-1:09
23M
23.00 mi14:54:273:38:099:2913:24
10:42
+0:30
24M
24.00 mi15:04:433:48:259:3110:16
10:16
-0:26
40K
24.85 mi15:13:433:57:259:339:00
10:32
+0:16
25.2M
25.20 mi15:17:234:01:059:343:40
10:38
+0:06
Finish
26.22 mi15:27:054:10:479:349:42
9:31
-1:07

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

9:02 /mi

Average Pace

9:34 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:09

45% of race

Time at Steady Pace

1:08:26

27% of race

Time at Slower Pace

1:09:12

28% of race

Average Pace: 9:34 /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 mi11:44:3028:129:0528:12
9:05
#20783
10K
6.21 mi12:12:3356:159:0328:03
9:02
#20869
15K
9.32 mi12:41:041:24:469:0628:31
9:11
#21018
20K
12.43 mi13:09:271:53:099:0628:23
9:08
#20804
Half
13.11 mi13:15:461:59:289:076:19
9:16
#20837
25K
15.53 mi13:38:222:22:049:0922:36
9:19
#20741
30K
18.64 mi14:08:112:51:539:1329:49
9:36
#20531
20M
20.00 mi14:22:043:05:469:1713:53
10:13
#20576
21M
21.00 mi14:33:253:17:079:2311:21
11:21
#20636
35K
21.75 mi14:41:033:24:459:257:38
10:12
#20678
23M
23.00 mi14:54:273:38:099:2913:24
10:42
#20757
24M
24.00 mi15:04:433:48:259:3110:16
10:16
#20776
40K
24.85 mi15:13:433:57:259:339:00
10:32
#20803
25.2M
25.20 mi15:17:234:01:059:343:40
10:38
#20773
Finish
26.22 mi15:27:054:10:479:349:42
9:31
#20741
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi207838261826121238(Top 80%)8364(Top 73%)8364(Top 445%)
10K6.21 mi3.10 mi20869-868246+158246+1521002(Top 79%)8266(Top 72%)8266(Top 440%)
15K9.32 mi3.11 mi21018-1498295-498295-4921238(Top 80%)8364(Top 73%)8364(Top 445%)
20K12.43 mi3.11 mi20804+2148166+1298166+12920311(Top 76%)7848(Top 69%)7848(Top 418%)
Half13.11 mi0.68 mi20837-338183-178183-1721374(Top 80%)8446(Top 74%)8446(Top 450%)
25K15.53 mi2.42 mi20741+968118+658118+6520273(Top 76%)7850(Top 69%)7850(Top 418%)
30K18.64 mi3.11 mi20531+2108024+948024+9419789(Top 74%)7646(Top 67%)7646(Top 407%)
20M20.00 mi1.36 mi20576-458063-398063-3921067(Top 79%)8445(Top 74%)8445(Top 450%)
21M21.00 mi1.00 mi20636-608102-398102-3921601(Top 81%)8780(Top 77%)8780(Top 468%)
35K21.75 mi0.75 mi20678-428131-298131-2921794(Top 82%)8928(Top 78%)8928(Top 475%)
23M23.00 mi1.25 mi20757-798200-698200-6921765(Top 82%)8942(Top 78%)8942(Top 476%)
24M24.00 mi1.00 mi20776-198217-178217-1721485(Top 81%)8835(Top 77%)8835(Top 470%)
40K24.85 mi0.85 mi20803-278240-238240-2321281(Top 80%)8762(Top 77%)8762(Top 467%)
25.2M25.20 mi0.35 mi20773+308228+128228+1219556(Top 73%)7821(Top 68%)7821(Top 416%)
Finish26.22 mi1.02 mi20741+328224+48224+420212(Top 76%)8129(Top 71%)8129(Top 433%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21238

Females

8364

F40-44

8364

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

21002

Females

8266

F40-44

8266

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21238

Females

8364

F40-44

8364

15K→20K

9.3 - 12.4 mi

Top 76%
×5stories
+106ft-86ft

Overall

20311

Females

7848

F40-44

7848

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21374

Females

8446

F40-44

8446

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20273

Females

7850

F40-44

7850

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19789

Females

7646

F40-44

7646

30K→20M

18.6 - 20.0 mi

Top 79%
×5stories
+64ft-50ft

Overall

21067

Females

8445

F40-44

8445

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

21601

Females

8780

F40-44

8780

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

21794

Females

8928

F40-44

8928

35K→23M

21.8 - 23.0 mi

Top 82%
×5stories
+23ft-63ft

Overall

21765

Females

8942

F40-44

8942

23M→24M

23.0 - 24.0 mi

Top 81%
×6stories
+12ft-82ft

Overall

21485

Females

8835

F40-44

8835

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21281

Females

8762

F40-44

8762

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19556

Females

7821

F40-44

7821

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

20212

Females

8129

F40-44

8129

Passing Analysis

Category:
Athletes Passed
1388
Passed By
1346
Net Change
+42
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20783
5K → 10K248334-86#20783#20869
10K → 15K110259-149#20869#21018
15K → 20K27561+214#21018#20804
20K → Half2053-33#20804#20837
Half → 25K15054+96#20837#20741
25K → 30K25444+210#20741#20531
30K → 20M57102-45#20531#20576
20M → 21M56116-60#20576#20636
21M → 35K3072-42#20636#20678
35K → 23M45124-79#20678#20757
23M → 24M3554-19#20757#20776
24M → 40K2653-27#20776#20803
40K → 25.2M333+30#20803#20773
25.2M → Finish4917+32#20773#20741
TOTALS13881346+42
📊

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