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BOSTON MARATHON 2025

Lily Mccarthy

Bib: 32023•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:32
Rank: #23162
Start → 5K
28:32 | 9:11/mi
10K· 6.21 mi
56:24
Rank: #22725 (+437)
5K → 10K
27:52 | 8:58/mi
15K· 9.32 mi
1:23:04
Rank: #21867 (+858)
10K → 15K
26:40 | 8:35/mi
20K· 12.43 mi
1:50:13
Rank: #21261 (+606)
15K → 20K
27:09 | 8:44/mi
Half· 13.11 mi
1:56:07
Rank: #21208 (+53)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:17:32
Rank: #20882 (+326)
Half → 25K
21:25 | 8:50/mi
30K· 18.64 mi
2:46:07
Rank: #20420 (+462)
25K → 30K
28:35 | 9:12/mi
20M
2:58:44
Rank: #20249 (+171)
30K → 20M
12:37 | 9:17/mi
21M
3:08:40
Rank: #20110 (+139)
20M → 21M
9:56 | 9:56/mi
35K· 21.75 mi
3:15:24
Rank: #20046 (+64)
21M → 35K
6:44 | 9:00/mi
23M
3:27:25
Rank: #20002 (+44)
35K → 23M
12:01 | 9:36/mi
24M
3:36:42
Rank: #19943 (+59)
23M → 24M
9:17 | 9:17/mi
40K· 24.85 mi
3:44:48
Rank: #19891 (+52)
24M → 40K
8:06 | 9:28/mi
25.2M
3:48:18
Rank: #19858 (+33)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:57:13
Rank: #19786 (+72)
25.2M → Finish
8:55 | 8:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:07
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:01:06
Pace9:14 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:2228:329:1128:32
9:11
-
10K
6.21 mi12:21:1456:249:0527:52
8:58
-0:13
15K
9.32 mi12:47:541:23:048:5526:40
8:35
-0:23
20K
12.43 mi13:15:031:50:138:5227:09
8:44
+0:09
Half
13.11 mi13:20:571:56:078:515:54
8:39
-0:05
25K
15.53 mi13:42:222:17:328:5121:25
8:50
+0:11
30K
18.64 mi14:10:572:46:078:5528:35
9:12
+0:22
20M
20.00 mi14:23:342:58:448:5612:37
9:17
+0:05
21M
21.00 mi14:33:303:08:408:599:56
9:56
+0:39
35K
21.75 mi14:40:143:15:248:596:44
9:00
-0:56
23M
23.00 mi14:52:153:27:259:0112:01
9:36
+0:36
24M
24.00 mi15:01:323:36:429:029:17
9:17
-0:19
40K
24.85 mi15:09:383:44:489:038:06
9:28
+0:11
25.2M
25.20 mi15:13:083:48:189:043:30
10:09
+0:41
Finish
26.22 mi15:22:033:57:139:038:55
8:45
-1:24

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

8:35 /mi

Average Pace

9:03 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:40

86% of race

Time at Steady Pace

30:03

13% of race

Time at Slower Pace

3:30

1% of race

Average Pace: 9:03 /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 mi11:53:2228:329:1128:32
9:11
#23162
10K
6.21 mi12:21:1456:249:0527:52
8:58
#22725
15K
9.32 mi12:47:541:23:048:5526:40
8:35
#21867
20K
12.43 mi13:15:031:50:138:5227:09
8:44
#21261
Half
13.11 mi13:20:571:56:078:515:54
8:39
#21208
25K
15.53 mi13:42:222:17:328:5121:25
8:50
#20882
30K
18.64 mi14:10:572:46:078:5528:35
9:12
#20420
20M
20.00 mi14:23:342:58:448:5612:37
9:17
#20249
21M
21.00 mi14:33:303:08:408:599:56
9:56
#20110
35K
21.75 mi14:40:143:15:248:596:44
9:00
#20046
23M
23.00 mi14:52:153:27:259:0112:01
9:36
#20002
24M
24.00 mi15:01:323:36:429:029:17
9:17
#19943
40K
24.85 mi15:09:383:44:489:038:06
9:28
#19891
25.2M
25.20 mi15:13:083:48:189:043:30
10:09
#19858
Finish
26.22 mi15:22:033:57:139:038:55
8:45
#19786
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi231629257925719806(Top 70%)7339(Top 60%)7339(Top 134%)
10K6.21 mi3.10 mi22725+4379006+2519006+25122242(Top 78%)8738(Top 71%)8738(Top 160%)
15K9.32 mi3.11 mi21867+8588528+4788528+47819806(Top 70%)7339(Top 60%)7339(Top 134%)
20K12.43 mi3.11 mi21261+6068178+3508178+35019609(Top 69%)7273(Top 59%)7273(Top 133%)
Half13.11 mi0.68 mi21208+538146+328146+3220014(Top 70%)7502(Top 61%)7502(Top 137%)
25K15.53 mi2.42 mi20882+3267975+1717975+17119083(Top 67%)7023(Top 57%)7023(Top 128%)
30K18.64 mi3.11 mi20420+4627775+2007775+20018630(Top 66%)6911(Top 57%)6911(Top 126%)
20M20.00 mi1.36 mi20249+1717696+797696+7918198(Top 64%)6836(Top 56%)6836(Top 125%)
21M21.00 mi1.00 mi20110+1397645+517645+5118018(Top 63%)6810(Top 56%)6810(Top 125%)
35K21.75 mi0.75 mi20046+647621+247621+2418183(Top 64%)7017(Top 57%)7017(Top 128%)
23M23.00 mi1.25 mi20002+447618+37618+319053(Top 67%)7546(Top 62%)7546(Top 138%)
24M24.00 mi1.00 mi19943+597615+37615+318706(Top 66%)7400(Top 61%)7400(Top 135%)
40K24.85 mi0.85 mi19891+527602+137602+1318569(Top 65%)7425(Top 61%)7425(Top 136%)
25.2M25.20 mi0.35 mi19858+337590+127590+1217580(Top 62%)6932(Top 57%)6932(Top 127%)
Finish26.22 mi1.02 mi19786+727564+267564+2617732(Top 62%)6957(Top 57%)6957(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

19806

Females

7339

F18-39

7339

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

22242

Females

8738

F18-39

8738

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

19806

Females

7339

F18-39

7339

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19609

Females

7273

F18-39

7273

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

20014

Females

7502

F18-39

7502

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19083

Females

7023

F18-39

7023

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

18630

Females

6911

F18-39

6911

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18198

Females

6836

F18-39

6836

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

18018

Females

6810

F18-39

6810

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18183

Females

7017

F18-39

7017

35K→23M

21.8 - 23.0 mi

Top 67%
×5stories
+23ft-63ft

Overall

19053

Females

7546

F18-39

7546

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

18706

Females

7400

F18-39

7400

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18569

Females

7425

F18-39

7425

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17580

Females

6932

F18-39

6932

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

17732

Females

6957

F18-39

6957

Passing Analysis

Category:
Athletes Passed
3755
Passed By
379
Net Change
+3376
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23162
5K → 10K50164+437#23162#22725
10K → 15K86810+858#22725#21867
15K → 20K61913+606#21867#21261
20K → Half6613+53#21261#21208
Half → 25K34014+326#21208#20882
25K → 30K48927+462#20882#20420
30K → 20M19120+171#20420#20249
20M → 21M16829+139#20249#20110
21M → 35K8723+64#20110#20046
35K → 23M10561+44#20046#20002
23M → 24M9233+59#20002#19943
24M → 40K9240+52#19943#19891
40K → 25.2M407+33#19891#19858
25.2M → Finish9725+72#19858#19786
TOTALS3755379+3376
📊

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