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BOSTON MARATHON 2023

Rachel Jensen

Bib: 16211•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 29%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 18%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:06
Rank: #6969
Start → 5K
22:06 | 7:07/mi
10K· 6.21 mi
44:23
Rank: #7388 (-419)
5K → 10K
22:17 | 7:10/mi
15K· 9.32 mi
1:06:47
Rank: #7530 (-142)
10K → 15K
22:24 | 7:13/mi
20K· 12.43 mi
1:29:17
Rank: #7433 (+97)
15K → 20K
22:30 | 7:15/mi
Half· 13.11 mi
1:34:09
Rank: #7429 (+4)
20K → Half
4:52 | 7:08/mi
25K· 15.53 mi
1:51:56
Rank: #7400 (+29)
Half → 25K
17:47 | 7:20/mi
30K· 18.64 mi
2:15:39
Rank: #7469 (-69)
25K → 30K
23:43 | 7:38/mi
20M
2:26:20
Rank: #7561 (-92)
30K → 20M
10:41 | 7:52/mi
21M
2:34:42
Rank: #7640 (-79)
20M → 21M
8:22 | 8:22/mi
35K· 21.75 mi
2:40:19
Rank: #7643 (-3)
21M → 35K
5:37 | 7:30/mi
23M
2:50:08
Rank: #7667 (-24)
35K → 23M
9:49 | 7:50/mi
24M
2:57:44
Rank: #7671 (-4)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
3:04:16
Rank: #7645 (+26)
24M → 40K
6:32 | 7:38/mi
25.2M
3:07:05
Rank: #7646 (-1)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:14:30
Rank: #7588 (+58)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:09
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:40:21
Pace7:39 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:1022:067:0722:06
7:07
-
10K
6.21 mi11:34:2744:237:0922:17
7:10
+0:03
15K
9.32 mi11:56:511:06:477:1022:24
7:13
+0:03
20K
12.43 mi12:19:211:29:177:1122:30
7:15
+0:02
Half
13.11 mi12:24:131:34:097:114:52
7:08
-0:07
25K
15.53 mi12:42:001:51:567:1217:47
7:20
+0:12
30K
18.64 mi13:05:432:15:397:1723:43
7:38
+0:18
20M
20.00 mi13:16:242:26:207:1910:41
7:52
+0:14
21M
21.00 mi13:24:462:34:427:228:22
8:22
+0:30
35K
21.75 mi13:30:232:40:197:225:37
7:30
-0:52
23M
23.00 mi13:40:122:50:087:249:49
7:50
+0:20
24M
24.00 mi13:47:482:57:447:247:36
7:36
-0:14
40K
24.85 mi13:54:203:04:167:256:32
7:38
+0:02
25.2M
25.20 mi13:57:093:07:057:252:49
8:10
+0:32
Finish
26.22 mi14:04:343:14:307:257:25
7:17
-0:53

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

7:07 /mi

Average Pace

7:25 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:49

84% of race

Time at Steady Pace

31:41

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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 mi11:12:1022:067:0722:06
7:07
#6969
10K
6.21 mi11:34:2744:237:0922:17
7:10
#7388
15K
9.32 mi11:56:511:06:477:1022:24
7:13
#7530
20K
12.43 mi12:19:211:29:177:1122:30
7:15
#7433
Half
13.11 mi12:24:131:34:097:114:52
7:08
#7429
25K
15.53 mi12:42:001:51:567:1217:47
7:20
#7400
30K
18.64 mi13:05:432:15:397:1723:43
7:38
#7469
20M
20.00 mi13:16:242:26:207:1910:41
7:52
#7561
21M
21.00 mi13:24:462:34:427:228:22
8:22
#7640
35K
21.75 mi13:30:232:40:197:225:37
7:30
#7643
23M
23.00 mi13:40:122:50:087:249:49
7:50
#7667
24M
24.00 mi13:47:482:57:447:247:36
7:36
#7671
40K
24.85 mi13:54:203:04:167:256:32
7:38
#7645
25.2M
25.20 mi13:57:093:07:057:252:49
8:10
#7646
Finish
26.22 mi14:04:343:14:307:257:25
7:17
#7588
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi69697147147872(Top 30%)1027(Top 9%)1027(Top 21%)
10K6.21 mi3.10 mi7388-419827-113827-1137928(Top 30%)1029(Top 9%)1029(Top 21%)
15K9.32 mi3.11 mi7530-142883-56883-567872(Top 30%)1027(Top 9%)1027(Top 21%)
20K12.43 mi3.11 mi7433+97863+20863+207390(Top 28%)899(Top 8%)899(Top 18%)
Half13.11 mi0.68 mi7429+4864-1864-17457(Top 28%)914(Top 8%)914(Top 19%)
25K15.53 mi2.42 mi7400+29862+2862+27521(Top 28%)1019(Top 9%)1019(Top 21%)
30K18.64 mi3.11 mi7469-69922-60922-608193(Top 31%)1379(Top 12%)1379(Top 28%)
20M20.00 mi1.36 mi7561-92981-59981-599312(Top 35%)1931(Top 17%)1931(Top 40%)
21M21.00 mi1.00 mi7640-791021-401021-409648(Top 36%)2204(Top 19%)2204(Top 45%)
35K21.75 mi0.75 mi7643-31025-41025-48604(Top 32%)1723(Top 15%)1723(Top 35%)
23M23.00 mi1.25 mi7667-241055-301055-308691(Top 33%)1874(Top 16%)1874(Top 38%)
24M24.00 mi1.00 mi7671-41077-221077-228418(Top 32%)1837(Top 16%)1837(Top 38%)
40K24.85 mi0.85 mi7645+261092-151092-157587(Top 28%)1594(Top 14%)1594(Top 33%)
25.2M25.20 mi0.35 mi7646-11103-111103-117539(Top 28%)1609(Top 14%)1609(Top 33%)
Finish26.22 mi1.02 mi7588+581108-51108-56996(Top 26%)1423(Top 12%)1423(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7872

Females

1027

F18-39

1027

5K→10K

3.1 - 6.2 mi

Top 30%
×5stories
+79ft-138ft

Overall

7928

Females

1029

F18-39

1029

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7872

Females

1027

F18-39

1027

15K→20K

9.3 - 12.4 mi

Top 28%
×5stories
+106ft-86ft

Overall

7390

Females

899

F18-39

899

20K→Half

12.4 - 13.1 mi

Top 28%
×2stories
+19ft-37ft

Overall

7457

Females

914

F18-39

914

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7521

Females

1019

F18-39

1019

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8193

Females

1379

F18-39

1379

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9312

Females

1931

F18-39

1931

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9648

Females

2204

F18-39

2204

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

8604

Females

1723

F18-39

1723

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8691

Females

1874

F18-39

1874

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8418

Females

1837

F18-39

1837

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7587

Females

1594

F18-39

1594

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7539

Females

1609

F18-39

1609

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6996

Females

1423

F18-39

1423

Passing Analysis

Category:
Athletes Passed
993
Passed By
1612
Net Change
-619
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6969
5K → 10K70489-419#6969#7388
10K → 15K83225-142#7388#7530
15K → 20K16063+97#7530#7433
20K → Half2521+4#7433#7429
Half → 25K9364+29#7429#7400
25K → 30K110179-69#7400#7469
30K → 20M49141-92#7469#7561
20M → 21M36115-79#7561#7640
21M → 35K3538-3#7640#7643
35K → 23M7296-24#7643#7667
23M → 24M7074-4#7667#7671
24M → 40K7145+26#7671#7645
40K → 25.2M2829-1#7645#7646
25.2M → Finish9133+58#7646#7588
TOTALS9931612-619
📊

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