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BOSTON MARATHON 2023

Erin Mccarthy

Bib: 25311•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
37:33
Rank: #26458
Start → 5K
37:33 | 12:05/mi
10K· 6.21 mi
1:15:22
Rank: #26423 (+35)
5K → 10K
37:49 | 12:10/mi
15K· 9.32 mi
1:55:46
Rank: #26467 (-44)
10K → 15K
40:24 | 13:00/mi
20K· 12.43 mi
2:36:16
Rank: #26440 (+27)
15K → 20K
40:30 | 13:02/mi
Half· 13.11 mi
2:44:34
Rank: #26424 (+16)
20K → Half
8:18 | 12:10/mi
25K· 15.53 mi
3:16:33
Rank: #26367 (+57)
Half → 25K
31:59 | 13:11/mi
30K· 18.64 mi
3:58:34
Rank: #26302 (+65)
25K → 30K
42:01 | 13:31/mi
20M
4:15:47
Rank: #26221 (+81)
30K → 20M
17:13 | 12:40/mi
21M
4:28:46
Rank: #26163 (+58)
20M → 21M
12:59 | 12:59/mi
35K· 21.75 mi
4:37:49
Rank: #26127 (+36)
21M → 35K
9:03 | 12:06/mi
23M
4:53:53
Rank: #26084 (+43)
35K → 23M
16:04 | 12:50/mi
24M
5:06:37
Rank: #26069 (+15)
23M → 24M
12:44 | 12:44/mi
40K· 24.85 mi
5:18:50
Rank: #26069
24M → 40K
12:13 | 14:17/mi
25.2M
5:23:16
Rank: #26049 (+20)
40K → 25.2M
4:26 | 12:51/mi
Finish· 26.22 mi
5:35:08
Rank: #26022 (+27)
25.2M → Finish
11:52 | 11:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:44:34
Pace12:33 /mi
2nd Half
Distance13.11 mi
Time2:50:34
Pace13:01 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3637:3312:0537:33
12:05
-
10K
6.21 mi12:31:251:15:2212:0837:49
12:10
+0:05
15K
9.32 mi13:11:491:55:4612:2540:24
13:00
+0:50
20K
12.43 mi13:52:192:36:1612:3440:30
13:02
+0:02
Half
13.11 mi14:00:372:44:3412:338:18
12:10
-0:52
25K
15.53 mi14:32:363:16:3312:3931:59
13:11
+1:01
30K
18.64 mi15:14:373:58:3412:4842:01
13:31
+0:20
20M
20.00 mi15:31:504:15:4712:4717:13
12:40
-0:51
21M
21.00 mi15:44:494:28:4612:4812:59
12:59
+0:19
35K
21.75 mi15:53:524:37:4912:469:03
12:06
-0:53
23M
23.00 mi16:09:564:53:5312:4716:04
12:50
+0:44
24M
24.00 mi16:22:405:06:3712:4712:44
12:44
-0:06
40K
24.85 mi16:34:535:18:5012:5012:13
14:17
+1:33
25.2M
25.20 mi16:39:195:23:1612:504:26
12:51
-1:26
Finish
26.22 mi16:51:115:35:0812:4711:52
11:39
-1:12

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

11:39 /mi

Average Pace

12:47 /mi

Slowest Pace

14:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:35

31% of race

Time at Steady Pace

2:24:20

43% of race

Time at Slower Pace

1:26:13

26% of race

Average Pace: 12:47 /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 mi11:53:3637:3312:0537:33
12:05
#26458
10K
6.21 mi12:31:251:15:2212:0837:49
12:10
#26423
15K
9.32 mi13:11:491:55:4612:2540:24
13:00
#26467
20K
12.43 mi13:52:192:36:1612:3440:30
13:02
#26440
Half
13.11 mi14:00:372:44:3412:338:18
12:10
#26424
25K
15.53 mi14:32:363:16:3312:3931:59
13:11
#26367
30K
18.64 mi15:14:373:58:3412:4842:01
13:31
#26302
20M
20.00 mi15:31:504:15:4712:4717:13
12:40
#26221
21M
21.00 mi15:44:494:28:4612:4812:59
12:59
#26163
35K
21.75 mi15:53:524:37:4912:469:03
12:06
#26127
23M
23.00 mi16:09:564:53:5312:4716:04
12:50
#26084
24M
24.00 mi16:22:405:06:3712:4712:44
12:44
#26069
40K
24.85 mi16:34:535:18:5012:5012:13
14:17
#26069
25.2M
25.20 mi16:39:195:23:1612:504:26
12:51
#26049
Finish
26.22 mi16:51:115:35:0812:4711:52
11:39
#26022
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26458113321133226479(Top 99%)11349(Top 99%)11349(Top 232%)
10K6.21 mi3.10 mi26423+3511308+2411308+2426362(Top 99%)11273(Top 99%)11273(Top 231%)
15K9.32 mi3.11 mi26467-4411341-3311341-3326479(Top 99%)11349(Top 99%)11349(Top 232%)
20K12.43 mi3.11 mi26440+2711320+2111320+2126246(Top 99%)11199(Top 98%)11199(Top 229%)
Half13.11 mi0.68 mi26424+1611308+1211308+1225983(Top 98%)11050(Top 97%)11050(Top 226%)
25K15.53 mi2.42 mi26367+5711262+4611262+4625971(Top 98%)11067(Top 97%)11067(Top 227%)
30K18.64 mi3.11 mi26302+6511226+3611226+3625768(Top 97%)10984(Top 96%)10984(Top 225%)
20M20.00 mi1.36 mi26221+8111186+4011186+4024897(Top 94%)10550(Top 92%)10550(Top 216%)
21M21.00 mi1.00 mi26163+5811158+2811158+2824072(Top 90%)10133(Top 89%)10133(Top 207%)
35K21.75 mi0.75 mi26127+3611142+1611142+1624786(Top 93%)10553(Top 92%)10553(Top 216%)
23M23.00 mi1.25 mi26084+4311117+2511117+2524926(Top 94%)10595(Top 93%)10595(Top 217%)
24M24.00 mi1.00 mi26069+1511112+511112+525283(Top 95%)10822(Top 95%)10822(Top 222%)
40K24.85 mi0.85 mi2606911114-211114-225848(Top 97%)11100(Top 97%)11100(Top 227%)
25.2M25.20 mi0.35 mi26049+2011101+1311101+1323820(Top 89%)10108(Top 88%)10108(Top 207%)
Finish26.22 mi1.02 mi26022+2711088+1311088+1324883(Top 93%)10603(Top 93%)10603(Top 217%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21stories
+97ft-345ft

Overall

26479

Females

11349

F18-39

11349

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

26362

Females

11273

F18-39

11273

10K→15K

6.2 - 9.3 mi

Top 99%
×3stories
+67ft-78ft

Overall

26479

Females

11349

F18-39

11349

15K→20K

9.3 - 12.4 mi

Top 99%
×5stories
+106ft-86ft

Overall

26246

Females

11199

F18-39

11199

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

25983

Females

11050

F18-39

11050

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

25971

Females

11067

F18-39

11067

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

25768

Females

10984

F18-39

10984

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

24897

Females

10550

F18-39

10550

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

24072

Females

10133

F18-39

10133

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

24786

Females

10553

F18-39

10553

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

24926

Females

10595

F18-39

10595

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

25283

Females

10822

F18-39

10822

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25848

Females

11100

F18-39

11100

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23820

Females

10108

F18-39

10108

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2stories
+22ft-21ft

Overall

24883

Females

10603

F18-39

10603

Passing Analysis

Category:
Athletes Passed
584
Passed By
148
Net Change
+436
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26458
5K → 10K5924+35#26458#26423
10K → 15K1357-44#26423#26467
15K → 20K4316+27#26467#26440
20K → Half182+16#26440#26424
Half → 25K625+57#26424#26367
25K → 30K7510+65#26367#26302
30K → 20M821+81#26302#26221
20M → 21M591+58#26221#26163
21M → 35K371+36#26163#26127
35K → 23M463+43#26127#26084
23M → 24M227+15#26084#26069
24M → 40K16160#26069#26069
40K → 25.2M200+20#26069#26049
25.2M → Finish325+27#26049#26022
TOTALS584148+436
📊

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