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BOSTON MARATHON 2023

Jennifer Wells

Bib: 14383•F

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0:00
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:53
Rank: #11341
Start → 5K
23:53 | 7:41/mi
10K· 6.21 mi
47:25
Rank: #11191 (+150)
5K → 10K
23:32 | 7:34/mi
15K· 9.32 mi
1:10:51
Rank: #10943 (+248)
10K → 15K
23:26 | 7:33/mi
20K· 12.43 mi
1:34:19
Rank: #10617 (+326)
15K → 20K
23:28 | 7:33/mi
Half· 13.11 mi
1:39:26
Rank: #10588 (+29)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:57:51
Rank: #10365 (+223)
Half → 25K
18:25 | 7:36/mi
30K· 18.64 mi
2:22:03
Rank: #10136 (+229)
25K → 30K
24:12 | 7:47/mi
20M
2:32:34
Rank: #9963 (+173)
30K → 20M
10:31 | 7:44/mi
21M
2:40:36
Rank: #9789 (+174)
20M → 21M
8:02 | 8:02/mi
35K· 21.75 mi
2:46:10
Rank: #9717 (+72)
21M → 35K
5:34 | 7:26/mi
23M
2:56:03
Rank: #9642 (+75)
35K → 23M
9:53 | 7:54/mi
24M
3:03:39
Rank: #9568 (+74)
23M → 24M
7:36 | 7:36/mi
40K· 24.85 mi
3:10:18
Rank: #9494 (+74)
24M → 40K
6:39 | 7:47/mi
25.2M
3:13:04
Rank: #9416 (+78)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:20:21
Rank: #9295 (+121)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:26
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:40:55
Pace7:42 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0223:537:4123:53
7:41
-
10K
6.21 mi11:16:3447:257:3823:32
7:34
-0:07
15K
9.32 mi11:40:001:10:517:3623:26
7:33
-0:01
20K
12.43 mi12:03:281:34:197:3523:28
7:33
0:00
Half
13.11 mi12:08:351:39:267:355:07
7:30
-0:03
25K
15.53 mi12:27:001:57:517:3518:25
7:36
+0:06
30K
18.64 mi12:51:122:22:037:3724:12
7:47
+0:11
20M
20.00 mi13:01:432:32:347:3810:31
7:44
-0:03
21M
21.00 mi13:09:452:40:367:398:02
8:02
+0:18
35K
21.75 mi13:15:192:46:107:385:34
7:26
-0:36
23M
23.00 mi13:25:122:56:037:399:53
7:54
+0:28
24M
24.00 mi13:32:483:03:397:397:36
7:36
-0:18
40K
24.85 mi13:39:273:10:187:396:39
7:47
+0:11
25.2M
25.20 mi13:42:133:13:047:402:46
8:01
+0:14
Finish
26.22 mi13:49:303:20:217:397:17
7:09
-0:52

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

7:09 /mi

Average Pace

7:39 /mi

Slowest Pace

8:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:40

90% of race

Time at Steady Pace

20:41

10% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:53:0223:537:4123:53
7:41
#11341
10K
6.21 mi11:16:3447:257:3823:32
7:34
#11191
15K
9.32 mi11:40:001:10:517:3623:26
7:33
#10943
20K
12.43 mi12:03:281:34:197:3523:28
7:33
#10617
Half
13.11 mi12:08:351:39:267:355:07
7:30
#10588
25K
15.53 mi12:27:001:57:517:3518:25
7:36
#10365
30K
18.64 mi12:51:122:22:037:3724:12
7:47
#10136
20M
20.00 mi13:01:432:32:347:3810:31
7:44
#9963
21M
21.00 mi13:09:452:40:367:398:02
8:02
#9789
35K
21.75 mi13:15:192:46:107:385:34
7:26
#9717
23M
23.00 mi13:25:122:56:037:399:53
7:54
#9642
24M
24.00 mi13:32:483:03:397:397:36
7:36
#9568
40K
24.85 mi13:39:273:10:187:396:39
7:47
#9494
25.2M
25.20 mi13:42:133:13:047:402:46
8:01
#9416
Finish
26.22 mi13:49:303:20:217:397:17
7:09
#9295
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi113412506250610531(Top 40%)2094(Top 18%)2094(Top 43%)
10K6.21 mi3.10 mi11191+1502433+732433+7311096(Top 42%)2366(Top 21%)2366(Top 48%)
15K9.32 mi3.11 mi10943+2482304+1292304+12910531(Top 40%)2094(Top 18%)2094(Top 43%)
20K12.43 mi3.11 mi10617+3262137+1672137+1679737(Top 37%)1800(Top 16%)1800(Top 37%)
Half13.11 mi0.68 mi10588+292113+242113+2410275(Top 39%)2008(Top 18%)2008(Top 41%)
25K15.53 mi2.42 mi10365+2232025+882025+889521(Top 36%)1788(Top 16%)1788(Top 37%)
30K18.64 mi3.11 mi10136+2291957+681957+689290(Top 35%)1831(Top 16%)1831(Top 37%)
20M20.00 mi1.36 mi9963+1731902+551902+558459(Top 32%)1583(Top 14%)1583(Top 32%)
21M21.00 mi1.00 mi9789+1741847+551847+557590(Top 29%)1356(Top 12%)1356(Top 28%)
35K21.75 mi0.75 mi9717+721833+141833+148150(Top 31%)1568(Top 14%)1568(Top 32%)
23M23.00 mi1.25 mi9642+751836-31836-39052(Top 34%)2054(Top 18%)2054(Top 42%)
24M24.00 mi1.00 mi9568+741826+101826+108434(Top 32%)1853(Top 16%)1853(Top 38%)
40K24.85 mi0.85 mi9494+741824+21824+28561(Top 32%)1963(Top 17%)1963(Top 40%)
25.2M25.20 mi0.35 mi9416+781807+171807+176745(Top 25%)1331(Top 12%)1331(Top 27%)
Finish26.22 mi1.02 mi9295+1211778+291778+296130(Top 23%)1112(Top 10%)1112(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10531

Females

2094

F18-39

2094

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11096

Females

2366

F18-39

2366

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10531

Females

2094

F18-39

2094

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9737

Females

1800

F18-39

1800

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10275

Females

2008

F18-39

2008

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9521

Females

1788

F18-39

1788

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9290

Females

1831

F18-39

1831

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8459

Females

1583

F18-39

1583

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7590

Females

1356

F18-39

1356

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8150

Females

1568

F18-39

1568

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9052

Females

2054

F18-39

2054

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8434

Females

1853

F18-39

1853

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8561

Females

1963

F18-39

1963

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6745

Females

1331

F18-39

1331

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6130

Females

1112

F18-39

1112

Passing Analysis

Category:
Athletes Passed
2654*
Passed By
608
Net Change
+2046
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11341
5K → 10K382232+150#11341#11191
10K → 15K32476+248#11191#10943
15K → 20K36640+326#10943#10617
20K → Half5223+29#10617#10588
Half → 25K25431+223#10588#10365
25K → 30K283*54+229#10365#10136
30K → 20M190*17+173#10136#9963
20M → 21M18814+174#9963#9789
21M → 35K797+72#9789#9717
35K → 23M13055+75#9717#9642
23M → 24M9723+74#9642#9568
24M → 40K96*22+74#9568#9494
40K → 25.2M813+78#9494#9416
25.2M → Finish13211+121#9416#9295
TOTALS2654*608+2046

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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