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BOSTON MARATHON 2023

Jennifer Green

Bib: 13723•F

CT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 31%
Gender (Female)
#0 / 11423
Top 12%
Division (F18-39)
#0 / 4884
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:23
Rank: #9863
Start → 5K
23:23 | 7:32/mi
10K· 6.21 mi
46:33
Rank: #9948 (-85)
5K → 10K
23:10 | 7:27/mi
15K· 9.32 mi
1:09:52
Rank: #10005 (-57)
10K → 15K
23:19 | 7:30/mi
20K· 12.43 mi
1:33:20
Rank: #9920 (+85)
15K → 20K
23:28 | 7:33/mi
Half· 13.11 mi
1:38:27
Rank: #9934 (-14)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:56:35
Rank: #9695 (+239)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:20:17
Rank: #9362 (+333)
25K → 30K
23:42 | 7:38/mi
20M
2:30:40
Rank: #9221 (+141)
30K → 20M
10:23 | 7:38/mi
21M
2:38:47
Rank: #9116 (+105)
20M → 21M
8:07 | 8:07/mi
35K· 21.75 mi
2:44:16
Rank: #9042 (+74)
21M → 35K
5:29 | 7:20/mi
23M
2:53:40
Rank: #8867 (+175)
35K → 23M
9:24 | 7:30/mi
24M
3:00:56
Rank: #8711 (+156)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
3:07:13
Rank: #8577 (+134)
24M → 40K
6:17 | 7:21/mi
25.2M
3:09:53
Rank: #8491 (+86)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:17:03
Rank: #8312 (+179)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:27
Pace7:31 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:36
Pace7:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0023:237:3223:23
7:32
-
10K
6.21 mi11:15:1046:337:2923:10
7:27
-0:05
15K
9.32 mi11:38:291:09:527:3023:19
7:30
+0:03
20K
12.43 mi12:01:571:33:207:3123:28
7:33
+0:03
Half
13.11 mi12:07:041:38:277:315:07
7:30
-0:03
25K
15.53 mi12:25:121:56:357:3018:08
7:29
-0:01
30K
18.64 mi12:48:542:20:177:3223:42
7:38
+0:09
20M
20.00 mi12:59:172:30:407:3210:23
7:38
0:00
21M
21.00 mi13:07:242:38:477:348:07
8:07
+0:29
35K
21.75 mi13:12:532:44:167:335:29
7:20
-0:47
23M
23.00 mi13:22:172:53:407:339:24
7:30
+0:10
24M
24.00 mi13:29:333:00:567:327:16
7:16
-0:14
40K
24.85 mi13:35:503:07:137:326:17
7:21
+0:05
25.2M
25.20 mi13:38:303:09:537:322:40
7:44
+0:23
Finish
26.22 mi13:45:403:17:037:317:10
7:02
-0:42

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

7:02 /mi

Average Pace

7:31 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:56

96% of race

Time at Steady Pace

8:07

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi10:52:0023:237:3223:23
7:32
#9863
10K
6.21 mi11:15:1046:337:2923:10
7:27
#9948
15K
9.32 mi11:38:291:09:527:3023:19
7:30
#10005
20K
12.43 mi12:01:571:33:207:3123:28
7:33
#9920
Half
13.11 mi12:07:041:38:277:315:07
7:30
#9934
25K
15.53 mi12:25:121:56:357:3018:08
7:29
#9695
30K
18.64 mi12:48:542:20:177:3223:42
7:38
#9362
20M
20.00 mi12:59:172:30:407:3210:23
7:38
#9221
21M
21.00 mi13:07:242:38:477:348:07
8:07
#9116
35K
21.75 mi13:12:532:44:167:335:29
7:20
#9042
23M
23.00 mi13:22:172:53:407:339:24
7:30
#8867
24M
24.00 mi13:29:333:00:567:327:16
7:16
#8711
40K
24.85 mi13:35:503:07:137:326:17
7:21
#8577
25.2M
25.20 mi13:38:303:09:537:322:40
7:44
#8491
Finish
26.22 mi13:45:403:17:037:317:10
7:02
#8312
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi98631789178910221(Top 38%)1942(Top 17%)1942(Top 40%)
10K6.21 mi3.10 mi9948-851818-291818-2910128(Top 38%)1876(Top 16%)1876(Top 38%)
15K9.32 mi3.11 mi10005-571828-101828-1010221(Top 38%)1942(Top 17%)1942(Top 40%)
20K12.43 mi3.11 mi9920+851803+251803+259731(Top 37%)1794(Top 16%)1794(Top 37%)
Half13.11 mi0.68 mi9934-141809-61809-610250(Top 39%)1983(Top 17%)1983(Top 41%)
25K15.53 mi2.42 mi9695+2391724+851724+858635(Top 32%)1399(Top 12%)1399(Top 29%)
30K18.64 mi3.11 mi9362+3331633+911633+918159(Top 31%)1370(Top 12%)1370(Top 28%)
20M20.00 mi1.36 mi9221+1411600+331600+337779(Top 29%)1315(Top 12%)1315(Top 27%)
21M21.00 mi1.00 mi9116+1051578+221578+228136(Top 31%)1574(Top 14%)1574(Top 32%)
35K21.75 mi0.75 mi9042+741557+211557+217373(Top 28%)1248(Top 11%)1248(Top 26%)
23M23.00 mi1.25 mi8867+1751516+411516+416488(Top 24%)989(Top 9%)989(Top 20%)
24M24.00 mi1.00 mi8711+1561473+431473+436190(Top 23%)982(Top 9%)982(Top 20%)
40K24.85 mi0.85 mi8577+1341439+341439+345797(Top 22%)914(Top 8%)914(Top 19%)
25.2M25.20 mi0.35 mi8491+861414+251414+255143(Top 19%)788(Top 7%)788(Top 16%)
Finish26.22 mi1.02 mi8312+1791376+381376+385437(Top 20%)884(Top 8%)884(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10221

Females

1942

F18-39

1942

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10128

Females

1876

F18-39

1876

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10221

Females

1942

F18-39

1942

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9731

Females

1794

F18-39

1794

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10250

Females

1983

F18-39

1983

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8635

Females

1399

F18-39

1399

25K→30K

15.5 - 18.6 mi

Top 31%
×9stories
+181ft-148ft

Overall

8159

Females

1370

F18-39

1370

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

7779

Females

1315

F18-39

1315

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8136

Females

1574

F18-39

1574

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7373

Females

1248

F18-39

1248

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6488

Females

989

F18-39

989

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6190

Females

982

F18-39

982

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5797

Females

914

F18-39

914

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5143

Females

788

F18-39

788

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5437

Females

884

F18-39

884

Passing Analysis

Category:
Athletes Passed
2412*
Passed By
859
Net Change
+1551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9863
5K → 10K271356-85#9863#9948
10K → 15K158213-57#9948#10005
15K → 20K215*130+85#10005#9920
20K → Half1933-14#9920#9934
Half → 25K253*14+239#9934#9695
25K → 30K362*29+333#9695#9362
30K → 20M15918+141#9362#9221
20M → 21M13227+105#9221#9116
21M → 35K8511+74#9116#9042
35K → 23M18510+175#9042#8867
23M → 24M1604+156#8867#8711
24M → 40K1417+134#8711#8577
40K → 25.2M860+86#8577#8491
25.2M → Finish1867+179#8491#8312
TOTALS2412*859+1551

* 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