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BOSTON MARATHON 2023

Kathleen Allen

Bib: 17405•F

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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 14%
Division (F18-39)
#0 / 4884
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:30
Rank: #13122
Start → 5K
24:30 | 7:53/mi
10K· 6.21 mi
48:40
Rank: #12995 (+127)
5K → 10K
24:10 | 7:47/mi
15K· 9.32 mi
1:11:35
Rank: #11611 (+1384)
10K → 15K
22:55 | 7:23/mi
20K· 12.43 mi
1:34:57
Rank: #11031 (+580)
15K → 20K
23:22 | 7:31/mi
Half· 13.11 mi
1:40:02
Rank: #10979 (+52)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:58:10
Rank: #10539 (+440)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:21:38
Rank: #9957 (+582)
25K → 30K
23:28 | 7:33/mi
20M
2:31:52
Rank: #9690 (+267)
30K → 20M
10:14 | 7:32/mi
21M
2:40:01
Rank: #9584 (+106)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:45:29
Rank: #9481 (+103)
21M → 35K
5:28 | 7:18/mi
23M
2:55:00
Rank: #9279 (+202)
35K → 23M
9:31 | 7:36/mi
24M
3:02:26
Rank: #9173 (+106)
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
3:08:54
Rank: #9072 (+101)
24M → 40K
6:28 | 7:34/mi
25.2M
3:11:41
Rank: #9030 (+42)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:19:19
Rank: #8984 (+46)
25.2M → Finish
7:38 | 7:29/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:40:02
Pace7:38 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:39:17
Pace7:34 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1024:307:5324:30
7:53
-
10K
6.21 mi11:39:2048:407:5024:10
7:47
-0:06
15K
9.32 mi12:02:151:11:357:4122:55
7:23
-0:24
20K
12.43 mi12:25:371:34:577:3823:22
7:31
+0:08
Half
13.11 mi12:30:421:40:027:385:05
7:27
-0:04
25K
15.53 mi12:48:501:58:107:3618:08
7:29
+0:02
30K
18.64 mi13:12:182:21:387:3623:28
7:33
+0:04
20M
20.00 mi13:22:322:31:527:3610:14
7:32
-0:01
21M
21.00 mi13:30:412:40:017:378:09
8:09
+0:37
35K
21.75 mi13:36:092:45:297:375:28
7:18
-0:51
23M
23.00 mi13:45:402:55:007:379:31
7:36
+0:18
24M
24.00 mi13:53:063:02:267:367:26
7:26
-0:10
40K
24.85 mi13:59:343:08:547:366:28
7:34
+0:08
25.2M
25.20 mi14:02:213:11:417:362:47
8:04
+0:30
Finish
26.22 mi14:09:593:19:197:367:38
7:29
-0:35

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

7:18 /mi

Average Pace

7:36 /mi

Slowest Pace

8:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:23

95% of race

Time at Steady Pace

10:56

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi11:15:1024:307:5324:30
7:53
#13122
10K
6.21 mi11:39:2048:407:5024:10
7:47
#12995
15K
9.32 mi12:02:151:11:357:4122:55
7:23
#11611
20K
12.43 mi12:25:371:34:577:3823:22
7:31
#11031
Half
13.11 mi12:30:421:40:027:385:05
7:27
#10979
25K
15.53 mi12:48:501:58:107:3618:08
7:29
#10539
30K
18.64 mi13:12:182:21:387:3623:28
7:33
#9957
20M
20.00 mi13:22:322:31:527:3610:14
7:32
#9690
21M
21.00 mi13:30:412:40:017:378:09
8:09
#9584
35K
21.75 mi13:36:092:45:297:375:28
7:18
#9481
23M
23.00 mi13:45:402:55:007:379:31
7:36
#9279
24M
24.00 mi13:53:063:02:267:367:26
7:26
#9173
40K
24.85 mi13:59:343:08:547:366:28
7:34
#9072
25.2M
25.20 mi14:02:213:11:417:362:47
8:04
#9030
Finish
26.22 mi14:09:593:19:197:367:38
7:29
#8984
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi13122350735079155(Top 34%)1507(Top 13%)1507(Top 31%)
10K6.21 mi3.10 mi12995+1273444+633444+6312944(Top 49%)3390(Top 30%)3390(Top 69%)
15K9.32 mi3.11 mi11611+13842667+7772667+7779155(Top 34%)1507(Top 13%)1507(Top 31%)
20K12.43 mi3.11 mi11031+5802344+3232344+3239480(Top 36%)1679(Top 15%)1679(Top 34%)
Half13.11 mi0.68 mi10979+522323+212323+219870(Top 37%)1825(Top 16%)1825(Top 37%)
25K15.53 mi2.42 mi10539+4402111+2122111+2128643(Top 32%)1407(Top 12%)1407(Top 29%)
30K18.64 mi3.11 mi9957+5821874+2371874+2377622(Top 29%)1156(Top 10%)1156(Top 24%)
20M20.00 mi1.36 mi9690+2671787+871787+877031(Top 26%)1039(Top 9%)1039(Top 21%)
21M21.00 mi1.00 mi9584+1061759+281759+288327(Top 31%)1653(Top 14%)1653(Top 34%)
35K21.75 mi0.75 mi9481+1031741+181741+187238(Top 27%)1200(Top 11%)1200(Top 25%)
23M23.00 mi1.25 mi9279+2021691+501691+507129(Top 27%)1226(Top 11%)1226(Top 25%)
24M24.00 mi1.00 mi9173+1061662+291662+297294(Top 27%)1403(Top 12%)1403(Top 29%)
40K24.85 mi0.85 mi9072+1011639+231639+237138(Top 27%)1425(Top 12%)1425(Top 29%)
25.2M25.20 mi0.35 mi9030+421629+101629+106993(Top 26%)1416(Top 12%)1416(Top 29%)
Finish26.22 mi1.02 mi8984+461637-81637-88501(Top 32%)2022(Top 18%)2022(Top 41%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9155

Females

1507

F18-39

1507

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12944

Females

3390

F18-39

3390

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9155

Females

1507

F18-39

1507

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9480

Females

1679

F18-39

1679

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9870

Females

1825

F18-39

1825

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8643

Females

1407

F18-39

1407

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7622

Females

1156

F18-39

1156

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7031

Females

1039

F18-39

1039

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8327

Females

1653

F18-39

1653

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7238

Females

1200

F18-39

1200

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7129

Females

1226

F18-39

1226

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7294

Females

1403

F18-39

1403

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7138

Females

1425

F18-39

1425

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6993

Females

1416

F18-39

1416

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8501

Females

2022

F18-39

2022

Passing Analysis

Category:
Athletes Passed
4520*
Passed By
382
Net Change
+4138
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13122
5K → 10K382255+127#13122#12995
10K → 15K13873+1384#12995#11611
15K → 20K5888+580#11611#11031
20K → Half564+52#11031#10979
Half → 25K4400+440#10979#10539
25K → 30K588*6+582#10539#9957
30K → 20M2703+267#9957#9690
20M → 21M12620+106#9690#9584
21M → 35K11310+103#9584#9481
35K → 23M2086+202#9481#9279
23M → 24M11812+106#9279#9173
24M → 40K1087+101#9173#9072
40K → 25.2M486+42#9072#9030
25.2M → Finish8842+46#9030#8984
TOTALS4520*382+4138

* 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