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BOSTON MARATHON 2023

Kayla Whitley

Bib: 12369•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 39%
Gender (Female)
#0 / 11423
Top 20%
Division (F18-39)
#0 / 4884
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:57/mi
24:43
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:27
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:14:01
↑ 67↓ 78
20K· 12.43 mi
7:52/mi
1:38:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:48/mi
1:43:45
↑ 19↓ 370.5%
25K· 15.53 mi
7:46/mi
2:02:35
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:26:53
↑ 181↓ 1480.2%
20M
7:43/mi
2:37:22
↑ 64↓ 500.2%
21M
7:57/mi
2:45:19
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:50:56
↑ 17↓ 861.7%
23M
7:37/mi
3:00:28
↑ 23↓ 630.6%
24M
7:20/mi
3:07:48
↓ 821.3%
40K· 24.85 mi
7:19/mi
3:14:03
↓ 200.3%
25.2M
7:44/mi
3:16:43
↑ 13↓ 160.2%
Finish· 26.22 mi
7:10/mi
3:24:01
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:43:45
Pace7:55 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:40:16
Pace7:39 /mi
📊Negative Split: 3.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1924:437:5724:43
7:57
-
10K
6.21 mi11:17:0349:277:5724:44
7:58
+0:01
15K
9.32 mi11:41:371:14:017:5624:34
7:54
-0:04
20K
12.43 mi12:06:021:38:267:5524:25
7:52
-0:02
Half
13.11 mi12:11:211:43:457:555:19
7:48
-0:04
25K
15.53 mi12:30:112:02:357:5318:50
7:46
-0:02
30K
18.64 mi12:54:292:26:537:5324:18
7:49
+0:03
20M
20.00 mi13:04:582:37:227:5210:29
7:43
-0:06
21M
21.00 mi13:12:552:45:197:527:57
7:57
+0:14
35K
21.75 mi13:18:322:50:567:525:37
7:30
-0:27
23M
23.00 mi13:28:043:00:287:519:32
7:37
+0:07
24M
24.00 mi13:35:243:07:487:507:20
7:20
-0:17
40K
24.85 mi13:41:393:14:037:486:15
7:19
-0:01
25.2M
25.20 mi13:44:193:16:437:482:40
7:44
+0:25
Finish
26.22 mi13:51:373:24:017:477:18
7:10
-0:34

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

7:10 /mi

Average Pace

7:47 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:03

60% of race

Time at Steady Pace

1:21:58

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:47 /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 mi10:52:1924:437:5724:43
7:57
#13694
10K
6.21 mi11:17:0349:277:5724:44
7:58
#14061
15K
9.32 mi11:41:371:14:017:5624:34
7:54
#13910
20K
12.43 mi12:06:021:38:267:5524:25
7:52
#13471
Half
13.11 mi12:11:211:43:457:555:19
7:48
#13432
25K
15.53 mi12:30:112:02:357:5318:50
7:46
#12971
30K
18.64 mi12:54:292:26:537:5324:18
7:49
#12302
20M
20.00 mi13:04:582:37:227:5210:29
7:43
#11949
21M
21.00 mi13:12:552:45:197:527:57
7:57
#11622
35K
21.75 mi13:18:322:50:567:525:37
7:30
#11481
23M
23.00 mi13:28:043:00:287:519:32
7:37
#11177
24M
24.00 mi13:35:243:07:487:507:20
7:20
#10929
40K
24.85 mi13:41:393:14:037:486:15
7:19
#10687
25.2M
25.20 mi13:44:193:16:437:482:40
7:44
#10570
Finish
26.22 mi13:51:373:24:017:477:18
7:10
#10359
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi136943836383613615(Top 51%)3839(Top 34%)3839(Top 79%)
10K6.21 mi3.10 mi14061-3674073-2374073-23714500(Top 54%)4354(Top 38%)4354(Top 89%)
15K9.32 mi3.11 mi13910+1514002+714002+7113615(Top 51%)3839(Top 34%)3839(Top 79%)
20K12.43 mi3.11 mi13471+4393765+2373765+23712249(Top 46%)3107(Top 27%)3107(Top 64%)
Half13.11 mi0.68 mi13432+393741+243741+2412659(Top 48%)3265(Top 29%)3265(Top 67%)
25K15.53 mi2.42 mi12971+4613486+2553486+25510863(Top 41%)2415(Top 21%)2415(Top 49%)
30K18.64 mi3.11 mi12302+6693153+3333153+3339536(Top 36%)1943(Top 17%)1943(Top 40%)
20M20.00 mi1.36 mi11949+3532967+1862967+1868332(Top 31%)1536(Top 13%)1536(Top 31%)
21M21.00 mi1.00 mi11622+3272802+1652802+1657082(Top 27%)1177(Top 10%)1177(Top 24%)
35K21.75 mi0.75 mi11481+1412737+652737+658639(Top 32%)1758(Top 15%)1758(Top 36%)
23M23.00 mi1.25 mi11177+3042590+1472590+1477224(Top 27%)1266(Top 11%)1266(Top 26%)
24M24.00 mi1.00 mi10929+2482487+1032487+1036668(Top 25%)1150(Top 10%)1150(Top 24%)
40K24.85 mi0.85 mi10687+2422394+932394+935569(Top 21%)845(Top 7%)845(Top 17%)
25.2M25.20 mi0.35 mi10570+1172355+392355+395167(Top 19%)812(Top 7%)812(Top 17%)
Finish26.22 mi1.02 mi10359+2112276+792276+796227(Top 23%)1151(Top 10%)1151(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13615

Females

3839

F18-39

3839

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

14500

Females

4354

F18-39

4354

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13615

Females

3839

F18-39

3839

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

12249

Females

3107

F18-39

3107

20K→Half

12.4 - 13.1 mi

Top 48%
×2story building
+19ft-37ft

Overall

12659

Females

3265

F18-39

3265

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10863

Females

2415

F18-39

2415

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9536

Females

1943

F18-39

1943

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8332

Females

1536

F18-39

1536

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7082

Females

1177

F18-39

1177

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8639

Females

1758

F18-39

1758

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7224

Females

1266

F18-39

1266

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6668

Females

1150

F18-39

1150

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5569

Females

845

F18-39

845

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5167

Females

812

F18-39

812

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6227

Females

1151

F18-39

1151

Passing Analysis

Category:
Athletes Passed
4029
Passed By
694
Net Change
+3335
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13694
5K → 10K137504-367#13694#14061
10K → 15K268117+151#14061#13910
15K → 20K45920+439#13910#13471
20K → Half5314+39#13471#13432
Half → 25K47110+461#13432#12971
25K → 30K6734+669#12971#12302
30K → 20M3541+353#12302#11949
20M → 21M3270+327#11949#11622
21M → 35K1465+141#11622#11481
35K → 23M3106+304#11481#11177
23M → 24M2524+248#11177#10929
24M → 40K2431+242#10929#10687
40K → 25.2M1170+117#10687#10570
25.2M → Finish2198+211#10570#10359
TOTALS4029694+3335
📊

Passing Visuals

Category:
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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