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BOSTON MARATHON 2023

Jennifer Shockro

Bib: 22845•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 41%
Division (F50-54)
#0 / 1207
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:02
Rank: #16741
Start → 5K
26:02 | 8:23/mi
10K· 6.21 mi
52:22
Rank: #17402 (-661)
5K → 10K
26:20 | 8:29/mi
15K· 9.32 mi
1:18:49
Rank: #17560 (-158)
10K → 15K
26:27 | 8:31/mi
20K· 12.43 mi
1:45:23
Rank: #17430 (+130)
15K → 20K
26:34 | 8:33/mi
Half· 13.11 mi
1:51:16
Rank: #17471 (-41)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:11:54
Rank: #17272 (+199)
Half → 25K
20:38 | 8:31/mi
30K· 18.64 mi
2:38:54
Rank: #16918 (+354)
25K → 30K
27:00 | 8:41/mi
20M
2:51:01
Rank: #16843 (+75)
30K → 20M
12:07 | 8:55/mi
21M
3:00:47
Rank: #16863 (-20)
20M → 21M
9:46 | 9:46/mi
35K· 21.75 mi
3:07:09
Rank: #16786 (+77)
21M → 35K
6:22 | 8:31/mi
23M
3:18:16
Rank: #16701 (+85)
35K → 23M
11:07 | 8:53/mi
24M
3:26:51
Rank: #16614 (+87)
23M → 24M
8:35 | 8:35/mi
40K· 24.85 mi
3:34:22
Rank: #16551 (+63)
24M → 40K
7:31 | 8:47/mi
25.2M
3:37:41
Rank: #16538 (+13)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:46:38
Rank: #16533 (+5)
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:16
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:55:22
Pace8:48 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:1526:028:2326:02
8:23
-
10K
6.21 mi11:49:3552:228:2626:20
8:29
+0:06
15K
9.32 mi12:16:021:18:498:2726:27
8:31
+0:02
20K
12.43 mi12:42:361:45:238:2926:34
8:33
+0:02
Half
13.11 mi12:48:291:51:168:295:53
8:37
+0:04
25K
15.53 mi13:09:072:11:548:2920:38
8:31
-0:06
30K
18.64 mi13:36:072:38:548:3127:00
8:41
+0:10
20M
20.00 mi13:48:142:51:018:3312:07
8:55
+0:14
21M
21.00 mi13:58:003:00:478:379:46
9:46
+0:51
35K
21.75 mi14:04:223:07:098:366:22
8:31
-1:15
23M
23.00 mi14:15:293:18:168:3711:07
8:53
+0:22
24M
24.00 mi14:24:043:26:518:378:35
8:35
-0:18
40K
24.85 mi14:31:353:34:228:377:31
8:47
+0:12
25.2M
25.20 mi14:34:543:37:418:383:19
9:37
+0:50
Finish
26.22 mi14:43:513:46:388:398:57
8:47
-0:50

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

8:23 /mi

Average Pace

8:39 /mi

Slowest Pace

9:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:33

94% of race

Time at Steady Pace

13:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:39 /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 mi11:23:1526:028:2326:02
8:23
#16741
10K
6.21 mi11:49:3552:228:2626:20
8:29
#17402
15K
9.32 mi12:16:021:18:498:2726:27
8:31
#17560
20K
12.43 mi12:42:361:45:238:2926:34
8:33
#17430
Half
13.11 mi12:48:291:51:168:295:53
8:37
#17471
25K
15.53 mi13:09:072:11:548:2920:38
8:31
#17272
30K
18.64 mi13:36:072:38:548:3127:00
8:41
#16918
20M
20.00 mi13:48:142:51:018:3312:07
8:55
#16843
21M
21.00 mi13:58:003:00:478:379:46
9:46
#16863
35K
21.75 mi14:04:223:07:098:366:22
8:31
#16786
23M
23.00 mi14:15:293:18:168:3711:07
8:53
#16701
24M
24.00 mi14:24:043:26:518:378:35
8:35
#16614
40K
24.85 mi14:31:353:34:228:377:31
8:47
#16551
25.2M
25.20 mi14:34:543:37:418:383:19
9:37
#16538
Finish
26.22 mi14:43:513:46:388:398:57
8:47
#16533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi167415756575617909(Top 67%)6440(Top 56%)6440(Top 534%)
10K6.21 mi3.10 mi17402-6616165-4096165-40918106(Top 68%)6535(Top 57%)6535(Top 541%)
15K9.32 mi3.11 mi17560-1586248-836248-8317909(Top 67%)6440(Top 56%)6440(Top 534%)
20K12.43 mi3.11 mi17430+1306178+706178+7017184(Top 65%)6038(Top 53%)6038(Top 500%)
Half13.11 mi0.68 mi17471-416204-266204-2618468(Top 69%)6745(Top 59%)6745(Top 559%)
25K15.53 mi2.42 mi17272+1996100+1046100+10416270(Top 61%)5597(Top 49%)5597(Top 464%)
30K18.64 mi3.11 mi16918+3545914+1865914+18615474(Top 58%)5208(Top 46%)5208(Top 431%)
20M20.00 mi1.36 mi16843+755885+295885+2916113(Top 61%)5636(Top 49%)5636(Top 467%)
21M21.00 mi1.00 mi16863-205903-185903-1817131(Top 64%)6266(Top 55%)6266(Top 519%)
35K21.75 mi0.75 mi16786+775871+325871+3215422(Top 58%)5367(Top 47%)5367(Top 445%)
23M23.00 mi1.25 mi16701+855848+235848+2315449(Top 58%)5425(Top 47%)5425(Top 449%)
24M24.00 mi1.00 mi16614+875814+345814+3415003(Top 56%)5241(Top 46%)5241(Top 434%)
40K24.85 mi0.85 mi16551+635796+185796+1815076(Top 57%)5345(Top 47%)5345(Top 443%)
25.2M25.20 mi0.35 mi16538+135796579615793(Top 59%)5749(Top 50%)5749(Top 476%)
Finish26.22 mi1.02 mi16533+55803-75803-716961(Top 64%)6348(Top 56%)6348(Top 526%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21stories
+97ft-345ft

Overall

17909

Females

6440

F50-54

6440

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18106

Females

6535

F50-54

6535

10K→15K

6.2 - 9.3 mi

Top 67%
×3stories
+67ft-78ft

Overall

17909

Females

6440

F50-54

6440

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17184

Females

6038

F50-54

6038

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18468

Females

6745

F50-54

6745

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16270

Females

5597

F50-54

5597

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15474

Females

5208

F50-54

5208

30K→20M

18.6 - 20.0 mi

Top 61%
×5stories
+64ft-50ft

Overall

16113

Females

5636

F50-54

5636

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

17131

Females

6266

F50-54

6266

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15422

Females

5367

F50-54

5367

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15449

Females

5425

F50-54

5425

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

15003

Females

5241

F50-54

5241

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15076

Females

5345

F50-54

5345

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15793

Females

5749

F50-54

5749

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

16961

Females

6348

F50-54

6348

Passing Analysis

Category:
Athletes Passed
1798
Passed By
1590
Net Change
+208
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16741
5K → 10K105766-661#16741#17402
10K → 15K133291-158#17402#17560
15K → 20K234104+130#17560#17430
20K → Half1455-41#17430#17471
Half → 25K22930+199#17471#17272
25K → 30K38228+354#17272#16918
30K → 20M11439+75#16918#16843
20M → 21M7494-20#16843#16863
21M → 35K9114+77#16863#16786
35K → 23M13045+85#16786#16701
23M → 24M10922+87#16701#16614
24M → 40K8724+63#16614#16551
40K → 25.2M4027+13#16551#16538
25.2M → Finish5651+5#16538#16533
TOTALS17981590+208
📊

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