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BOSTON MARATHON 2023

Catherine Linehan

Bib: 30178•F

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:59
Rank: #24211
Start → 5K
31:59 | 10:18/mi
10K· 6.21 mi
1:00:01
Rank: #22772 (+1439)
5K → 10K
28:02 | 9:01/mi
15K· 9.32 mi
1:26:38
Rank: #21672 (+1100)
10K → 15K
26:37 | 8:34/mi
20K· 12.43 mi
1:52:59
Rank: #20735 (+937)
15K → 20K
26:21 | 8:29/mi
Half· 13.11 mi
1:58:51
Rank: #20637 (+98)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:19:45
Rank: #20098 (+539)
Half → 25K
20:54 | 8:37/mi
30K· 18.64 mi
2:47:38
Rank: #19563 (+535)
25K → 30K
27:53 | 8:58/mi
20M
3:00:01
Rank: #19373 (+190)
30K → 20M
12:23 | 9:07/mi
21M
3:09:49
Rank: #19223 (+150)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:16:24
Rank: #19160 (+63)
21M → 35K
6:35 | 8:48/mi
23M
3:27:58
Rank: #19046 (+114)
35K → 23M
11:34 | 9:14/mi
24M
3:37:17
Rank: #19024 (+22)
23M → 24M
9:19 | 9:19/mi
40K· 24.85 mi
3:45:37
Rank: #19035 (-11)
24M → 40K
8:20 | 9:45/mi
25.2M
3:49:21
Rank: #19063 (-28)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
3:59:48
Rank: #19277 (-214)
25.2M → Finish
10:27 | 10:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:51
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:00:57
Pace9:14 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1531:5910:1831:59
10:18
-
10K
6.21 mi12:19:171:00:019:4028:02
9:01
-1:17
15K
9.32 mi12:45:541:26:389:1826:37
8:34
-0:27
20K
12.43 mi13:12:151:52:599:0526:21
8:29
-0:05
Half
13.11 mi13:18:071:58:519:045:52
8:36
+0:07
25K
15.53 mi13:39:012:19:459:0020:54
8:37
+0:01
30K
18.64 mi14:06:542:47:389:0027:53
8:58
+0:21
20M
20.00 mi14:19:173:00:019:0012:23
9:07
+0:09
21M
21.00 mi14:29:053:09:499:029:48
9:48
+0:41
35K
21.75 mi14:35:403:16:249:026:35
8:48
-1:00
23M
23.00 mi14:47:143:27:589:0311:34
9:14
+0:26
24M
24.00 mi14:56:333:37:179:039:19
9:19
+0:05
40K
24.85 mi15:04:533:45:379:058:20
9:45
+0:26
25.2M
25.20 mi15:08:373:49:219:063:44
10:50
+1:05
Finish
26.22 mi15:19:043:59:489:0910:27
10:15
-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

8:29 /mi

Average Pace

9:09 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:44

33% of race

Time at Steady Pace

1:35:46

40% of race

Time at Slower Pace

1:04:18

27% of race

Average Pace: 9:09 /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 mi11:51:1531:5910:1831:59
10:18
#24211
10K
6.21 mi12:19:171:00:019:4028:02
9:01
#22772
15K
9.32 mi12:45:541:26:389:1826:37
8:34
#21672
20K
12.43 mi13:12:151:52:599:0526:21
8:29
#20735
Half
13.11 mi13:18:071:58:519:045:52
8:36
#20637
25K
15.53 mi13:39:012:19:459:0020:54
8:37
#20098
30K
18.64 mi14:06:542:47:389:0027:53
8:58
#19563
20M
20.00 mi14:19:173:00:019:0012:23
9:07
#19373
21M
21.00 mi14:29:053:09:499:029:48
9:48
#19223
35K
21.75 mi14:35:403:16:249:026:35
8:48
#19160
23M
23.00 mi14:47:143:27:589:0311:34
9:14
#19046
24M
24.00 mi14:56:333:37:179:039:19
9:19
#19024
40K
24.85 mi15:04:533:45:379:058:20
9:45
#19035
25.2M
25.20 mi15:08:373:49:219:063:44
10:50
#19063
Finish
26.22 mi15:19:043:59:489:0910:27
10:15
#19277
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi242119992999218256(Top 69%)6650(Top 58%)6650(Top 136%)
10K6.21 mi3.10 mi22772+14399238+7549238+75420976(Top 79%)8248(Top 72%)8248(Top 169%)
15K9.32 mi3.11 mi21672+11008659+5798659+57918256(Top 69%)6650(Top 58%)6650(Top 136%)
20K12.43 mi3.11 mi20735+9378127+5328127+53216754(Top 63%)5792(Top 51%)5792(Top 119%)
Half13.11 mi0.68 mi20637+988065+628065+6218385(Top 69%)6720(Top 59%)6720(Top 138%)
25K15.53 mi2.42 mi20098+5397762+3037762+30316942(Top 64%)5982(Top 52%)5982(Top 122%)
30K18.64 mi3.11 mi19563+5357467+2957467+29517049(Top 64%)6094(Top 53%)6094(Top 125%)
20M20.00 mi1.36 mi19373+1907373+947373+9417160(Top 64%)6269(Top 55%)6269(Top 128%)
21M21.00 mi1.00 mi19223+1507296+777296+7717288(Top 65%)6365(Top 56%)6365(Top 130%)
35K21.75 mi0.75 mi19160+637270+267270+2616990(Top 64%)6284(Top 55%)6284(Top 129%)
23M23.00 mi1.25 mi19046+1147210+607210+6017269(Top 65%)6445(Top 56%)6445(Top 132%)
24M24.00 mi1.00 mi19024+227212-27212-218546(Top 70%)7197(Top 63%)7197(Top 147%)
40K24.85 mi0.85 mi19035-117219-77219-719208(Top 72%)7607(Top 67%)7607(Top 156%)
25.2M25.20 mi0.35 mi19063-287240-217240-2120056(Top 75%)8087(Top 71%)8087(Top 166%)
Finish26.22 mi1.02 mi19277-2147366-1267366-12622431(Top 84%)9345(Top 82%)9345(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

18256

Females

6650

F18-39

6650

5K→10K

3.1 - 6.2 mi

Top 79%
×5stories
+79ft-138ft

Overall

20976

Females

8248

F18-39

8248

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

18256

Females

6650

F18-39

6650

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16754

Females

5792

F18-39

5792

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18385

Females

6720

F18-39

6720

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16942

Females

5982

F18-39

5982

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

17049

Females

6094

F18-39

6094

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

17160

Females

6269

F18-39

6269

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17288

Females

6365

F18-39

6365

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

16990

Females

6284

F18-39

6284

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17269

Females

6445

F18-39

6445

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

18546

Females

7197

F18-39

7197

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19208

Females

7607

F18-39

7607

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20056

Females

8087

F18-39

8087

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22431

Females

9345

F18-39

9345

Passing Analysis

Category:
Athletes Passed
5380
Passed By
446
Net Change
+4934
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24211
5K → 10K14423+1439#24211#22772
10K → 15K11000+1100#22772#21672
15K → 20K9370+937#21672#20735
20K → Half1013+98#20735#20637
Half → 25K5423+539#20637#20098
25K → 30K5405+535#20098#19563
30K → 20M20010+190#19563#19373
20M → 21M16616+150#19373#19223
21M → 35K7512+63#19223#19160
35K → 23M14026+114#19160#19046
23M → 24M7048+22#19046#19024
24M → 40K4253-11#19024#19035
40K → 25.2M1644-28#19035#19063
25.2M → Finish9223-214#19063#19277
TOTALS5380446+4934
📊

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