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BOSTON MARATHON 2023

Catherine Clavin

Bib: 15488•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 34%
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
24:22
Rank: #12795
Start → 5K
24:22 | 7:51/mi
10K· 6.21 mi
49:13
Rank: #13754 (-959)
5K → 10K
24:51 | 8:00/mi
15K· 9.32 mi
1:14:56
Rank: #14657 (-903)
10K → 15K
25:43 | 8:17/mi
20K· 12.43 mi
1:40:01
Rank: #14458 (+199)
15K → 20K
25:05 | 8:04/mi
Half· 13.11 mi
1:45:30
Rank: #14488 (-30)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:05:08
Rank: #14306 (+182)
Half → 25K
19:38 | 8:06/mi
30K· 18.64 mi
2:30:30
Rank: #13872 (+434)
25K → 30K
25:22 | 8:10/mi
20M
2:41:45
Rank: #13726 (+146)
30K → 20M
11:15 | 8:17/mi
21M
2:50:19
Rank: #13534 (+192)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:56:24
Rank: #13499 (+35)
21M → 35K
6:05 | 8:08/mi
23M
3:06:59
Rank: #13437 (+62)
35K → 23M
10:35 | 8:27/mi
24M
3:15:23
Rank: #13426 (+11)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:22:45
Rank: #13431 (-5)
24M → 40K
7:22 | 8:37/mi
25.2M
3:25:50
Rank: #13394 (+37)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:34:07
Rank: #13370 (+24)
25.2M → Finish
8:17 | 8:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:30
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:48:37
Pace8:17 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2324:227:5124:22
7:51
-
10K
6.21 mi11:20:1449:137:5524:51
8:00
+0:09
15K
9.32 mi11:45:571:14:568:0225:43
8:17
+0:17
20K
12.43 mi12:11:021:40:018:0325:05
8:04
-0:13
Half
13.11 mi12:16:311:45:308:035:29
8:02
-0:02
25K
15.53 mi12:36:092:05:088:0319:38
8:06
+0:04
30K
18.64 mi13:01:312:30:308:0425:22
8:10
+0:04
20M
20.00 mi13:12:462:41:458:0511:15
8:17
+0:07
21M
21.00 mi13:21:202:50:198:078:34
8:34
+0:17
35K
21.75 mi13:27:252:56:248:076:05
8:08
-0:26
23M
23.00 mi13:38:003:06:598:0810:35
8:27
+0:19
24M
24.00 mi13:46:243:15:238:088:24
8:24
-0:03
40K
24.85 mi13:53:463:22:458:097:22
8:37
+0:13
25.2M
25.20 mi13:56:513:25:508:103:05
8:56
+0:19
Finish
26.22 mi14:05:083:34:078:108:17
8:08
-0:48

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

7:51 /mi

Average Pace

8:10 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:02

99% of race

Time at Steady Pace

3:05

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi10:55:2324:227:5124:22
7:51
#12795
10K
6.21 mi11:20:1449:137:5524:51
8:00
#13754
15K
9.32 mi11:45:571:14:568:0225:43
8:17
#14657
20K
12.43 mi12:11:021:40:018:0325:05
8:04
#14458
Half
13.11 mi12:16:311:45:308:035:29
8:02
#14488
25K
15.53 mi12:36:092:05:088:0319:38
8:06
#14306
30K
18.64 mi13:01:312:30:308:0425:22
8:10
#13872
20M
20.00 mi13:12:462:41:458:0511:15
8:17
#13726
21M
21.00 mi13:21:202:50:198:078:34
8:34
#13534
35K
21.75 mi13:27:252:56:248:076:05
8:08
#13499
23M
23.00 mi13:38:003:06:598:0810:35
8:27
#13437
24M
24.00 mi13:46:243:15:238:088:24
8:24
#13426
40K
24.85 mi13:53:463:22:458:097:22
8:37
#13431
25.2M
25.20 mi13:56:513:25:508:103:05
8:56
#13394
Finish
26.22 mi14:05:083:34:078:108:17
8:08
#13370
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi127953326332616393(Top 62%)5525(Top 48%)5525(Top 113%)
10K6.21 mi3.10 mi13754-9593900-5743900-57414801(Top 56%)4545(Top 40%)4545(Top 93%)
15K9.32 mi3.11 mi14657-9034449-5494449-54916393(Top 62%)5525(Top 48%)5525(Top 113%)
20K12.43 mi3.11 mi14458+1994346+1034346+10314059(Top 53%)4141(Top 36%)4141(Top 85%)
Half13.11 mi0.68 mi14488-304363-174363-1714689(Top 55%)4485(Top 39%)4485(Top 92%)
25K15.53 mi2.42 mi14306+1824286+774286+7713501(Top 51%)3922(Top 34%)3922(Top 80%)
30K18.64 mi3.11 mi13872+4344061+2254061+22512116(Top 46%)3254(Top 28%)3254(Top 67%)
20M20.00 mi1.36 mi13726+1463993+683993+6812247(Top 46%)3429(Top 30%)3429(Top 70%)
21M21.00 mi1.00 mi13534+1923899+943899+9410915(Top 41%)2831(Top 25%)2831(Top 58%)
35K21.75 mi0.75 mi13499+353886+133886+1313036(Top 49%)4022(Top 35%)4022(Top 82%)
23M23.00 mi1.25 mi13437+623879+73879+712942(Top 49%)4038(Top 35%)4038(Top 83%)
24M24.00 mi1.00 mi13426+113892-133892-1313890(Top 52%)4605(Top 40%)4605(Top 94%)
40K24.85 mi0.85 mi13431-53915-233915-2314065(Top 53%)4776(Top 42%)4776(Top 98%)
25.2M25.20 mi0.35 mi13394+373908+73908+712239(Top 46%)3852(Top 34%)3852(Top 79%)
Finish26.22 mi1.02 mi13370+243916-83916-812993(Top 49%)4209(Top 37%)4209(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

16393

Females

5525

F18-39

5525

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14801

Females

4545

F18-39

4545

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

16393

Females

5525

F18-39

5525

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14059

Females

4141

F18-39

4141

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14689

Females

4485

F18-39

4485

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13501

Females

3922

F18-39

3922

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

12116

Females

3254

F18-39

3254

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12247

Females

3429

F18-39

3429

20M→21M

20.0 - 21.0 mi

Top 41%
×8stories
+106ft-24ft

Overall

10915

Females

2831

F18-39

2831

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13036

Females

4022

F18-39

4022

35K→23M

21.8 - 23.0 mi

Top 49%
×5stories
+23ft-63ft

Overall

12942

Females

4038

F18-39

4038

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13890

Females

4605

F18-39

4605

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14065

Females

4776

F18-39

4776

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12239

Females

3852

F18-39

3852

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

12993

Females

4209

F18-39

4209

Passing Analysis

Category:
Athletes Passed
1937
Passed By
2512
Net Change
-575
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12795
5K → 10K591018-959#12795#13754
10K → 15K31934-903#13754#14657
15K → 20K29192+199#14657#14458
20K → Half2151-30#14458#14488
Half → 25K23048+182#14488#14306
25K → 30K46329+434#14306#13872
30K → 20M16822+146#13872#13726
20M → 21M20513+192#13726#13534
21M → 35K7439+35#13534#13499
35K → 23M12159+62#13499#13437
23M → 24M7968+11#13437#13426
24M → 40K5964-5#13426#13431
40K → 25.2M5417+37#13431#13394
25.2M → Finish8258+24#13394#13370
TOTALS19372512-575
📊

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