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BOSTON MARATHON 2023

Kellie Caughorn

Bib: 24752•F

TN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:46
Rank: #21414
Start → 5K
28:46 | 9:16/mi
10K· 6.21 mi
57:52
Rank: #21780 (-366)
5K → 10K
29:06 | 9:22/mi
15K· 9.32 mi
1:29:36
Rank: #22631 (-851)
10K → 15K
31:44 | 10:13/mi
20K· 12.43 mi
2:00:24
Rank: #22654 (-23)
15K → 20K
30:48 | 9:55/mi
Half· 13.11 mi
2:06:54
Rank: #22629 (+25)
20K → Half
6:30 | 9:32/mi
25K· 15.53 mi
2:31:13
Rank: #22555 (+74)
Half → 25K
24:19 | 10:02/mi
30K· 18.64 mi
3:04:15
Rank: #22532 (+23)
25K → 30K
33:02 | 10:38/mi
20M
3:18:41
Rank: #22479 (+53)
30K → 20M
14:26 | 10:37/mi
21M
3:30:06
Rank: #22432 (+47)
20M → 21M
11:25 | 11:25/mi
35K· 21.75 mi
3:37:54
Rank: #22424 (+8)
21M → 35K
7:48 | 10:26/mi
23M
3:51:30
Rank: #22401 (+23)
35K → 23M
13:36 | 10:52/mi
24M
4:02:04
Rank: #22398 (+3)
23M → 24M
10:34 | 10:34/mi
40K· 24.85 mi
4:11:35
Rank: #22405 (-7)
24M → 40K
9:31 | 11:08/mi
25.2M
4:15:42
Rank: #22397 (+8)
40K → 25.2M
4:07 | 11:56/mi
Finish· 26.22 mi
4:25:54
Rank: #22382 (+15)
25.2M → Finish
10:12 | 10:01/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:06:54
Pace9:41 /mi
2nd Half
Distance13.11 mi
Time2:19:00
Pace10:36 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1328:469:1628:46
9:16
-
10K
6.21 mi12:13:1957:529:1929:06
9:22
+0:06
15K
9.32 mi12:45:031:29:369:3731:44
10:13
+0:51
20K
12.43 mi13:15:512:00:249:4130:48
9:55
-0:18
Half
13.11 mi13:22:212:06:549:416:30
9:32
-0:23
25K
15.53 mi13:46:402:31:139:4424:19
10:02
+0:30
30K
18.64 mi14:19:423:04:159:5333:02
10:38
+0:36
20M
20.00 mi14:34:083:18:419:5614:26
10:37
-0:01
21M
21.00 mi14:45:333:30:0610:0011:25
11:25
+0:48
35K
21.75 mi14:53:213:37:5410:017:48
10:26
-0:59
23M
23.00 mi15:06:573:51:3010:0413:36
10:52
+0:26
24M
24.00 mi15:17:314:02:0410:0510:34
10:34
-0:18
40K
24.85 mi15:27:024:11:3510:079:31
11:08
+0:34
25.2M
25.20 mi15:31:094:15:4210:094:07
11:56
+0:48
Finish
26.22 mi15:41:214:25:5410:0910:12
10:01
-1:55

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

9:16 /mi

Average Pace

10:09 /mi

Slowest Pace

11:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:41

49% of race

Time at Steady Pace

1:37:34

37% of race

Time at Slower Pace

38:39

15% of race

Average Pace: 10:08 /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 mi11:44:1328:469:1628:46
9:16
#21414
10K
6.21 mi12:13:1957:529:1929:06
9:22
#21780
15K
9.32 mi12:45:031:29:369:3731:44
10:13
#22631
20K
12.43 mi13:15:512:00:249:4130:48
9:55
#22654
Half
13.11 mi13:22:212:06:549:416:30
9:32
#22629
25K
15.53 mi13:46:402:31:139:4424:19
10:02
#22555
30K
18.64 mi14:19:423:04:159:5333:02
10:38
#22532
20M
20.00 mi14:34:083:18:419:5614:26
10:37
#22479
21M
21.00 mi14:45:333:30:0610:0011:25
11:25
#22432
35K
21.75 mi14:53:213:37:5410:017:48
10:26
#22424
23M
23.00 mi15:06:573:51:3010:0413:36
10:52
#22401
24M
24.00 mi15:17:314:02:0410:0510:34
10:34
#22398
40K
24.85 mi15:27:024:11:3510:079:31
11:08
#22405
25.2M
25.20 mi15:31:094:15:4210:094:07
11:56
#22397
Finish
26.22 mi15:41:214:25:5410:0910:12
10:01
#22382
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi214148586858623909(Top 90%)9846(Top 86%)9846(Top 542%)
10K6.21 mi3.10 mi21780-3668735-1498735-14922139(Top 83%)8897(Top 78%)8897(Top 490%)
15K9.32 mi3.11 mi22631-8519156-4219156-42123909(Top 90%)9846(Top 86%)9846(Top 542%)
20K12.43 mi3.11 mi22654-239165-99165-922691(Top 85%)9185(Top 80%)9185(Top 506%)
Half13.11 mi0.68 mi22629+259154+119154+1122221(Top 83%)8908(Top 78%)8908(Top 490%)
25K15.53 mi2.42 mi22555+749135+199135+1922278(Top 84%)8986(Top 79%)8986(Top 495%)
30K18.64 mi3.11 mi22532+239146-119146-1122479(Top 84%)9171(Top 80%)9171(Top 505%)
20M20.00 mi1.36 mi22479+539123+239123+2321992(Top 83%)8976(Top 79%)8976(Top 494%)
21M21.00 mi1.00 mi22432+479109+149109+1421723(Top 82%)8843(Top 77%)8843(Top 487%)
35K21.75 mi0.75 mi22424+89102+79102+722245(Top 84%)9186(Top 80%)9186(Top 506%)
23M23.00 mi1.25 mi22401+239098+49098+422089(Top 83%)9114(Top 80%)9114(Top 502%)
24M24.00 mi1.00 mi22398+39103-59103-522178(Top 83%)9199(Top 81%)9199(Top 506%)
40K24.85 mi0.85 mi22405-79117-149117-1422621(Top 85%)9461(Top 83%)9461(Top 521%)
25.2M25.20 mi0.35 mi22397+89116+19116+122402(Top 84%)9350(Top 82%)9350(Top 515%)
Finish26.22 mi1.02 mi22382+159115+19115+121796(Top 82%)9009(Top 79%)9009(Top 496%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

23909

Females

9846

F45-49

9846

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

22139

Females

8897

F45-49

8897

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

23909

Females

9846

F45-49

9846

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22691

Females

9185

F45-49

9185

20K→Half

12.4 - 13.1 mi

Top 83%
×2stories
+19ft-37ft

Overall

22221

Females

8908

F45-49

8908

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

22278

Females

8986

F45-49

8986

25K→30K

15.5 - 18.6 mi

Top 84%
×9stories
+181ft-148ft

Overall

22479

Females

9171

F45-49

9171

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

21992

Females

8976

F45-49

8976

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21723

Females

8843

F45-49

8843

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22245

Females

9186

F45-49

9186

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

22089

Females

9114

F45-49

9114

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22178

Females

9199

F45-49

9199

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22621

Females

9461

F45-49

9461

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

22402

Females

9350

F45-49

9350

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21796

Females

9009

F45-49

9009

Passing Analysis

Category:
Athletes Passed
953
Passed By
1921
Net Change
-968
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21414
5K → 10K129495-366#21414#21780
10K → 15K17868-851#21780#22631
15K → 20K132155-23#22631#22654
20K → Half316+25#22654#22629
Half → 25K13157+74#22629#22555
25K → 30K132109+23#22555#22532
30K → 20M7724+53#22532#22479
20M → 21M8639+47#22479#22432
21M → 35K3830+8#22432#22424
35K → 23M6340+23#22424#22401
23M → 24M3734+3#22401#22398
24M → 40K3138-7#22398#22405
40K → 25.2M1911+8#22405#22397
25.2M → Finish3015+15#22397#22382
TOTALS9531921-968
📊

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