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BOSTON MARATHON 2023

Kylie Dubois

Bib: 12837•F

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 44%
Gender (Female)
#0 / 11423
Top 26%
Division (F18-39)
#0 / 4884
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:44
Rank: #13735
Start → 5K
24:44 | 7:58/mi
10K· 6.21 mi
49:18
Rank: #13850 (-115)
5K → 10K
24:34 | 7:54/mi
15K· 9.32 mi
1:13:53
Rank: #13786 (+64)
10K → 15K
24:35 | 7:55/mi
20K· 12.43 mi
1:38:33
Rank: #13540 (+246)
15K → 20K
24:40 | 7:56/mi
Half· 13.11 mi
1:43:47
Rank: #13452 (+88)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:03:28
Rank: #13452
Half → 25K
19:41 | 8:07/mi
30K· 18.64 mi
2:28:15
Rank: #12928 (+524)
25K → 30K
24:47 | 7:59/mi
20M
2:38:58
Rank: #12612 (+316)
30K → 20M
10:43 | 7:53/mi
21M
2:47:24
Rank: #12425 (+187)
20M → 21M
8:26 | 8:26/mi
35K· 21.75 mi
2:53:08
Rank: #12317 (+108)
21M → 35K
5:44 | 7:40/mi
23M
3:03:14
Rank: #12193 (+124)
35K → 23M
10:06 | 8:04/mi
24M
3:10:53
Rank: #12016 (+177)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
3:17:33
Rank: #11868 (+148)
24M → 40K
6:40 | 7:48/mi
25.2M
3:20:24
Rank: #11796 (+72)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:28:02
Rank: #11630 (+166)
25.2M → Finish
7:38 | 7:29/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:47
Pace7:55 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:44:15
Pace7:57 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0224:447:5824:44
7:58
-
10K
6.21 mi11:16:3649:187:5624:34
7:54
-0:04
15K
9.32 mi11:41:111:13:537:5624:35
7:55
+0:01
20K
12.43 mi12:05:511:38:337:5624:40
7:56
+0:01
Half
13.11 mi12:11:051:43:477:555:14
7:40
-0:16
25K
15.53 mi12:30:462:03:287:5719:41
8:07
+0:27
30K
18.64 mi12:55:332:28:157:5724:47
7:59
-0:08
20M
20.00 mi13:06:162:38:587:5710:43
7:53
-0:06
21M
21.00 mi13:14:422:47:247:588:26
8:26
+0:33
35K
21.75 mi13:20:262:53:087:585:44
7:40
-0:46
23M
23.00 mi13:30:323:03:147:5810:06
8:04
+0:24
24M
24.00 mi13:38:113:10:537:577:39
7:39
-0:25
40K
24.85 mi13:44:513:17:337:576:40
7:48
+0:09
25.2M
25.20 mi13:47:423:20:247:572:51
8:16
+0:28
Finish
26.22 mi13:55:203:28:027:567:38
7:29
-0:47

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

7:29 /mi

Average Pace

7:56 /mi

Slowest Pace

8:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:45

95% of race

Time at Steady Pace

11:17

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:56 /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 mi10:52:0224:447:5824:44
7:58
#13735
10K
6.21 mi11:16:3649:187:5624:34
7:54
#13850
15K
9.32 mi11:41:111:13:537:5624:35
7:55
#13786
20K
12.43 mi12:05:511:38:337:5624:40
7:56
#13540
Half
13.11 mi12:11:051:43:477:555:14
7:40
#13452
25K
15.53 mi12:30:462:03:287:5719:41
8:07
#13452
30K
18.64 mi12:55:332:28:157:5724:47
7:59
#12928
20M
20.00 mi13:06:162:38:587:5710:43
7:53
#12612
21M
21.00 mi13:14:422:47:247:588:26
8:26
#12425
35K
21.75 mi13:20:262:53:087:585:44
7:40
#12317
23M
23.00 mi13:30:323:03:147:5810:06
8:04
#12193
24M
24.00 mi13:38:113:10:537:577:39
7:39
#12016
40K
24.85 mi13:44:513:17:337:576:40
7:48
#11868
25.2M
25.20 mi13:47:423:20:247:572:51
8:16
#11796
Finish
26.22 mi13:55:203:28:027:567:38
7:29
#11630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137353862386213675(Top 51%)3881(Top 34%)3881(Top 79%)
10K6.21 mi3.10 mi13850-1153946-843946-8414049(Top 53%)4073(Top 36%)4073(Top 83%)
15K9.32 mi3.11 mi13786+643933+133933+1313675(Top 51%)3881(Top 34%)3881(Top 79%)
20K12.43 mi3.11 mi13540+2463803+1303803+13012945(Top 49%)3514(Top 31%)3514(Top 72%)
Half13.11 mi0.68 mi13452+883755+483755+4811700(Top 44%)2744(Top 24%)2744(Top 56%)
25K15.53 mi2.42 mi134523775-203775-2013622(Top 51%)3989(Top 35%)3989(Top 82%)
30K18.64 mi3.11 mi12928+5243504+2713504+27110723(Top 40%)2508(Top 22%)2508(Top 51%)
20M20.00 mi1.36 mi12612+3163341+1633341+1639504(Top 36%)2030(Top 18%)2030(Top 42%)
21M21.00 mi1.00 mi12425+1873248+933248+9310108(Top 38%)2441(Top 21%)2441(Top 50%)
35K21.75 mi0.75 mi12317+1083204+443204+449757(Top 37%)2261(Top 20%)2261(Top 46%)
23M23.00 mi1.25 mi12193+1243163+413163+4110261(Top 39%)2632(Top 23%)2632(Top 54%)
24M24.00 mi1.00 mi12016+1773087+763087+768799(Top 33%)2011(Top 18%)2011(Top 41%)
40K24.85 mi0.85 mi11868+1483017+703017+708715(Top 33%)2051(Top 18%)2051(Top 42%)
25.2M25.20 mi0.35 mi11796+722987+302987+308204(Top 31%)1931(Top 17%)1931(Top 40%)
Finish26.22 mi1.02 mi11630+1662923+642923+648524(Top 32%)2045(Top 18%)2045(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13675

Females

3881

F18-39

3881

5K→10K

3.1 - 6.2 mi

Top 53%
×5stories
+79ft-138ft

Overall

14049

Females

4073

F18-39

4073

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13675

Females

3881

F18-39

3881

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12945

Females

3514

F18-39

3514

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11700

Females

2744

F18-39

2744

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13622

Females

3989

F18-39

3989

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

10723

Females

2508

F18-39

2508

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9504

Females

2030

F18-39

2030

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10108

Females

2441

F18-39

2441

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9757

Females

2261

F18-39

2261

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10261

Females

2632

F18-39

2632

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8799

Females

2011

F18-39

2011

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8715

Females

2051

F18-39

2051

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8204

Females

1931

F18-39

1931

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8524

Females

2045

F18-39

2045

Passing Analysis

Category:
Athletes Passed
2924
Passed By
819
Net Change
+2105
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13735
5K → 10K237352-115#13735#13850
10K → 15K216152+64#13850#13786
15K → 20K30761+246#13786#13540
20K → Half913+88#13540#13452
Half → 25K1451450#13452#13452
25K → 30K54117+524#13452#12928
30K → 20M3215+316#12928#12612
20M → 21M1969+187#12612#12425
21M → 35K1168+108#12425#12317
35K → 23M15632+124#12317#12193
23M → 24M18710+177#12193#12016
24M → 40K1535+148#12016#11868
40K → 25.2M753+72#11868#11796
25.2M → Finish18317+166#11796#11630
TOTALS2924819+2105
📊

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