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BOSTON MARATHON 2023

Jennifer Racey

Bib: 25158•F

PA

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
39:26
Rank: #26563
Start → 5K
39:26 | 12:42/mi
10K· 6.21 mi
1:18:07
Rank: #26533 (+30)
5K → 10K
38:41 | 12:27/mi
15K· 9.32 mi
1:57:26
Rank: #26519 (+14)
10K → 15K
39:19 | 12:39/mi
20K· 12.43 mi
2:38:36
Rank: #26496 (+23)
15K → 20K
41:10 | 13:15/mi
Half· 13.11 mi
2:47:05
Rank: #26487 (+9)
20K → Half
8:29 | 12:26/mi
25K· 15.53 mi
3:21:26
Rank: #26484 (+3)
Half → 25K
34:21 | 14:10/mi
30K· 18.64 mi
4:06:34
Rank: #26483 (+1)
25K → 30K
45:08 | 14:32/mi
20M
4:26:19
Rank: #26479 (+4)
30K → 20M
19:45 | 14:32/mi
21M
4:41:46
Rank: #26479
20M → 21M
15:27 | 15:27/mi
35K· 21.75 mi
4:52:42
Rank: #26485 (-6)
21M → 35K
10:56 | 14:37/mi
23M
5:10:41
Rank: #26472 (+13)
35K → 23M
17:59 | 14:22/mi
24M
5:24:33
Rank: #26463 (+9)
23M → 24M
13:52 | 13:52/mi
40K· 24.85 mi
5:36:38
Rank: #26454 (+9)
24M → 40K
12:05 | 14:08/mi
25.2M
5:41:33
Rank: #26440 (+14)
40K → 25.2M
4:55 | 14:15/mi
Finish· 26.22 mi
5:53:20
Rank: #26411 (+29)
25.2M → Finish
11:47 | 11:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:47:05
Pace12:45 /mi
2nd Half
Distance13.11 mi
Time3:06:15
Pace14:12 /mi
📊Positive Split: 11.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:3139:2612:4239:26
12:42
-
10K
6.21 mi12:37:121:18:0712:3438:41
12:27
-0:15
15K
9.32 mi13:16:311:57:2612:3639:19
12:39
+0:12
20K
12.43 mi13:57:412:38:3612:4641:10
13:15
+0:36
Half
13.11 mi14:06:102:47:0512:458:29
12:26
-0:49
25K
15.53 mi14:40:313:21:2612:5834:21
14:10
+1:44
30K
18.64 mi15:25:394:06:3413:1445:08
14:32
+0:22
20M
20.00 mi15:45:244:26:1913:1919:45
14:32
0:00
21M
21.00 mi16:00:514:41:4613:2515:27
15:27
+0:55
35K
21.75 mi16:11:474:52:4213:2810:56
14:37
-0:50
23M
23.00 mi16:29:465:10:4113:3017:59
14:22
-0:15
24M
24.00 mi16:43:385:24:3313:3113:52
13:52
-0:30
40K
24.85 mi16:55:435:36:3813:3312:05
14:08
+0:16
25.2M
25.20 mi17:00:385:41:3313:334:55
14:15
+0:07
Finish
26.22 mi17:12:255:53:2013:2911:47
11:34
-2:41

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

11:34 /mi

Average Pace

13:29 /mi

Slowest Pace

15:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:52

51% of race

Time at Steady Pace

2:39:01

45% of race

Time at Slower Pace

15:27

4% of race

Average Pace: 13:29 /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 mi11:58:3139:2612:4239:26
12:42
#26563
10K
6.21 mi12:37:121:18:0712:3438:41
12:27
#26533
15K
9.32 mi13:16:311:57:2612:3639:19
12:39
#26519
20K
12.43 mi13:57:412:38:3612:4641:10
13:15
#26496
Half
13.11 mi14:06:102:47:0512:458:29
12:26
#26487
25K
15.53 mi14:40:313:21:2612:5834:21
14:10
#26484
30K
18.64 mi15:25:394:06:3413:1445:08
14:32
#26483
20M
20.00 mi15:45:244:26:1913:1919:45
14:32
#26479
21M
21.00 mi16:00:514:41:4613:2515:27
15:27
#26479
35K
21.75 mi16:11:474:52:4213:2810:56
14:37
#26485
23M
23.00 mi16:29:465:10:4113:3017:59
14:22
#26472
24M
24.00 mi16:43:385:24:3313:3113:52
13:52
#26463
40K
24.85 mi16:55:435:36:3813:3312:05
14:08
#26454
25.2M
25.20 mi17:00:385:41:3313:334:55
14:15
#26440
Finish
26.22 mi17:12:255:53:2013:2911:47
11:34
#26411
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi26563113951139526387(Top 99%)11287(Top 99%)11287(Top 601%)
10K6.21 mi3.10 mi26533+3011384+1111384+1126458(Top 99%)11334(Top 99%)11334(Top 604%)
15K9.32 mi3.11 mi26519+1411372+1211372+1226387(Top 99%)11287(Top 99%)11287(Top 601%)
20K12.43 mi3.11 mi26496+2311361+1111361+1126347(Top 99%)11267(Top 99%)11267(Top 600%)
Half13.11 mi0.68 mi26487+911353+811353+826126(Top 98%)11137(Top 97%)11137(Top 593%)
25K15.53 mi2.42 mi26484+311350+311350+326407(Top 99%)11309(Top 99%)11309(Top 602%)
30K18.64 mi3.11 mi26483+111345+511345+526260(Top 99%)11233(Top 98%)11233(Top 598%)
20M20.00 mi1.36 mi26479+411343+211343+226119(Top 98%)11187(Top 98%)11187(Top 596%)
21M21.00 mi1.00 mi2647911341+211341+225993(Top 98%)11112(Top 97%)11112(Top 592%)
35K21.75 mi0.75 mi26485-611346-511346-526334(Top 99%)11297(Top 99%)11297(Top 602%)
23M23.00 mi1.25 mi26472+1311338+811338+826048(Top 98%)11161(Top 98%)11161(Top 594%)
24M24.00 mi1.00 mi26463+911335+311335+326013(Top 98%)11165(Top 98%)11165(Top 595%)
40K24.85 mi0.85 mi26454+911330+511330+525759(Top 97%)11058(Top 97%)11058(Top 589%)
25.2M25.20 mi0.35 mi26440+1411324+611324+625218(Top 95%)10800(Top 95%)10800(Top 575%)
Finish26.22 mi1.02 mi26411+2911309+1511309+1524771(Top 93%)10547(Top 92%)10547(Top 562%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

26387

Females

11287

F40-44

11287

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

26458

Females

11334

F40-44

11334

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

26387

Females

11287

F40-44

11287

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

26347

Females

11267

F40-44

11267

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

26126

Females

11137

F40-44

11137

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

26407

Females

11309

F40-44

11309

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

26260

Females

11233

F40-44

11233

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

26119

Females

11187

F40-44

11187

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

25993

Females

11112

F40-44

11112

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

26334

Females

11297

F40-44

11297

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

26048

Females

11161

F40-44

11161

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

26013

Females

11165

F40-44

11165

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25759

Females

11058

F40-44

11058

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

25218

Females

10800

F40-44

10800

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

24771

Females

10547

F40-44

10547

Passing Analysis

Category:
Athletes Passed
253
Passed By
101
Net Change
+152
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26563
5K → 10K399+30#26563#26533
10K → 15K2410+14#26533#26519
15K → 20K3411+23#26519#26496
20K → Half90+9#26496#26487
Half → 25K1512+3#26487#26484
25K → 30K2322+1#26484#26483
30K → 20M139+4#26483#26479
20M → 21M660#26479#26479
21M → 35K28-6#26479#26485
35K → 23M174+13#26485#26472
23M → 24M145+9#26472#26463
24M → 40K134+9#26463#26454
40K → 25.2M151+14#26454#26440
25.2M → Finish290+29#26440#26411
TOTALS253101+152
📊

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