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BOSTON MARATHON 2023

Karlie Hayes

Bib: 15550•F

CA

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 44%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:17
Rank: #12514
Start → 5K
24:17 | 7:49/mi
10K· 6.21 mi
48:38
Rank: #12948 (-434)
5K → 10K
24:21 | 7:50/mi
15K· 9.32 mi
1:12:49
Rank: #12802 (+146)
10K → 15K
24:11 | 7:47/mi
20K· 12.43 mi
1:37:16
Rank: #12638 (+164)
15K → 20K
24:27 | 7:52/mi
Half· 13.11 mi
1:42:35
Rank: #12626 (+12)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
2:02:38
Rank: #12996 (-370)
Half → 25K
20:03 | 8:16/mi
30K· 18.64 mi
2:27:34
Rank: #12601 (+395)
25K → 30K
24:56 | 8:02/mi
20M
2:38:26
Rank: #12393 (+208)
30K → 20M
10:52 | 8:00/mi
21M
2:47:07
Rank: #12318 (+75)
20M → 21M
8:41 | 8:41/mi
35K· 21.75 mi
2:53:33
Rank: #12468 (-150)
21M → 35K
6:26 | 8:36/mi
23M
3:03:50
Rank: #12395 (+73)
35K → 23M
10:17 | 8:13/mi
24M
3:11:35
Rank: #12255 (+140)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:18:09
Rank: #12070 (+185)
24M → 40K
6:34 | 7:41/mi
25.2M
3:21:01
Rank: #11995 (+75)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:28:36
Rank: #11823 (+172)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:35
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:46:01
Pace8:05 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2224:177:4924:17
7:49
-
10K
6.21 mi11:19:4348:387:5024:21
7:50
+0:01
15K
9.32 mi11:43:541:12:497:4924:11
7:47
-0:03
20K
12.43 mi12:08:211:37:167:5024:27
7:52
+0:05
Half
13.11 mi12:13:401:42:357:505:19
7:48
-0:04
25K
15.53 mi12:33:432:02:387:5420:03
8:16
+0:28
30K
18.64 mi12:58:392:27:347:5524:56
8:02
-0:14
20M
20.00 mi13:09:312:38:267:5510:52
8:00
-0:02
21M
21.00 mi13:18:122:47:077:578:41
8:41
+0:41
35K
21.75 mi13:24:382:53:337:596:26
8:36
-0:05
23M
23.00 mi13:34:553:03:508:0010:17
8:13
-0:23
24M
24.00 mi13:42:403:11:357:597:45
7:45
-0:28
40K
24.85 mi13:49:143:18:097:586:34
7:41
-0:04
25.2M
25.20 mi13:52:063:21:017:592:52
8:19
+0:38
Finish
26.22 mi13:59:413:28:367:587:35
7:26
-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

7:26 /mi

Average Pace

7:58 /mi

Slowest Pace

8:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:17

77% of race

Time at Steady Pace

48:19

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi10:55:2224:177:4924:17
7:49
#12514
10K
6.21 mi11:19:4348:387:5024:21
7:50
#12948
15K
9.32 mi11:43:541:12:497:4924:11
7:47
#12802
20K
12.43 mi12:08:211:37:167:5024:27
7:52
#12638
Half
13.11 mi12:13:401:42:357:505:19
7:48
#12626
25K
15.53 mi12:33:432:02:387:5420:03
8:16
#12996
30K
18.64 mi12:58:392:27:347:5524:56
8:02
#12601
20M
20.00 mi13:09:312:38:267:5510:52
8:00
#12393
21M
21.00 mi13:18:122:47:077:578:41
8:41
#12318
35K
21.75 mi13:24:382:53:337:596:26
8:36
#12468
23M
23.00 mi13:34:553:03:508:0010:17
8:13
#12395
24M
24.00 mi13:42:403:11:357:597:45
7:45
#12255
40K
24.85 mi13:49:143:18:097:586:34
7:41
#12070
25.2M
25.20 mi13:52:063:21:017:592:52
8:19
#11995
Finish
26.22 mi13:59:413:28:367:587:35
7:26
#11823
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi125143167316712603(Top 47%)3238(Top 28%)3238(Top 66%)
10K6.21 mi3.10 mi12948-4343416-2493416-24913457(Top 51%)3690(Top 32%)3690(Top 76%)
15K9.32 mi3.11 mi12802+1463337+793337+7912603(Top 47%)3238(Top 28%)3238(Top 66%)
20K12.43 mi3.11 mi12638+1643279+583279+5812349(Top 46%)3165(Top 28%)3165(Top 65%)
Half13.11 mi0.68 mi12626+123276+33276+312697(Top 48%)3303(Top 29%)3303(Top 68%)
25K15.53 mi2.42 mi12996-3703500-2243500-22414729(Top 55%)4658(Top 41%)4658(Top 95%)
30K18.64 mi3.11 mi12601+3953320+1803320+18011122(Top 42%)2707(Top 24%)2707(Top 55%)
20M20.00 mi1.36 mi12393+2083212+1083212+10810277(Top 39%)2370(Top 21%)2370(Top 49%)
21M21.00 mi1.00 mi12318+753181+313181+3111575(Top 43%)3180(Top 28%)3180(Top 65%)
35K21.75 mi0.75 mi12468-1503295-1143295-11415857(Top 60%)5592(Top 49%)5592(Top 114%)
23M23.00 mi1.25 mi12395+733274+213274+2111290(Top 42%)3151(Top 28%)3151(Top 65%)
24M24.00 mi1.00 mi12255+1403219+553219+559469(Top 36%)2330(Top 20%)2330(Top 48%)
40K24.85 mi0.85 mi12070+1853141+783141+787897(Top 30%)1727(Top 15%)1727(Top 35%)
25.2M25.20 mi0.35 mi11995+753100+413100+418499(Top 32%)2050(Top 18%)2050(Top 42%)
Finish26.22 mi1.02 mi11823+1723024+763024+768146(Top 31%)1910(Top 17%)1910(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12603

Females

3238

F18-39

3238

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13457

Females

3690

F18-39

3690

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12603

Females

3238

F18-39

3238

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12349

Females

3165

F18-39

3165

20K→Half

12.4 - 13.1 mi

Top 48%
×2stories
+19ft-37ft

Overall

12697

Females

3303

F18-39

3303

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14729

Females

4658

F18-39

4658

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11122

Females

2707

F18-39

2707

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10277

Females

2370

F18-39

2370

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

11575

Females

3180

F18-39

3180

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

15857

Females

5592

F18-39

5592

35K→23M

21.8 - 23.0 mi

Top 42%
×5stories
+23ft-63ft

Overall

11290

Females

3151

F18-39

3151

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

9469

Females

2330

F18-39

2330

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

7897

Females

1727

F18-39

1727

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8499

Females

2050

F18-39

2050

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8146

Females

1910

F18-39

1910

Passing Analysis

Category:
Athletes Passed
2302
Passed By
1611
Net Change
+691
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12514
5K → 10K143577-434#12514#12948
10K → 15K281135+146#12948#12802
15K → 20K269105+164#12802#12638
20K → Half4028+12#12638#12626
Half → 25K61431-370#12626#12996
25K → 30K41722+395#12996#12601
30K → 20M22618+208#12601#12393
20M → 21M13156+75#12393#12318
21M → 35K21171-150#12318#12468
35K → 23M12047+73#12468#12395
23M → 24M1488+140#12395#12255
24M → 40K1861+185#12255#12070
40K → 25.2M772+75#12070#11995
25.2M → Finish18210+172#11995#11823
TOTALS23021611+691
📊

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