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BOSTON MARATHON 2025

Lucie Corbeil

Bib: 20604•F

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 43%
Division (F40-44)
#0 / 1718
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:56
Rank: #14024
Start → 5K
23:56 | 7:42/mi
10K· 6.21 mi
47:53
Rank: #13967 (+57)
5K → 10K
23:57 | 7:43/mi
15K· 9.32 mi
1:13:40
Rank: #15529 (-1562)
10K → 15K
25:47 | 8:18/mi
20K· 12.43 mi
1:39:57
Rank: #16265 (-736)
15K → 20K
26:17 | 8:28/mi
Half· 13.11 mi
1:45:31
Rank: #16300 (-35)
20K → Half
5:34 | 8:10/mi
25K· 15.53 mi
2:06:51
Rank: #16750 (-450)
Half → 25K
21:20 | 8:48/mi
30K· 18.64 mi
2:36:17
Rank: #17369 (-619)
25K → 30K
29:26 | 9:28/mi
20M
2:49:21
Rank: #17569 (-200)
30K → 20M
13:04 | 9:37/mi
21M
2:59:24
Rank: #17644 (-75)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
3:06:09
Rank: #17665 (-21)
21M → 35K
6:45 | 9:01/mi
23M
3:18:02
Rank: #17729 (-64)
35K → 23M
11:53 | 9:29/mi
24M
3:27:11
Rank: #17720 (+9)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
3:35:23
Rank: #17795 (-75)
24M → 40K
8:12 | 9:35/mi
25.2M
3:38:58
Rank: #17812 (-17)
40K → 25.2M
3:35 | 10:23/mi
Finish· 26.22 mi
3:47:58
Rank: #17828 (-16)
25.2M → Finish
9:00 | 8:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:31
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time2:02:27
Pace9:20 /mi
📊Positive Split: 16.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:5623:567:4223:56
7:42
-
10K
6.21 mi12:03:5347:537:4223:57
7:43
+0:01
15K
9.32 mi12:29:401:13:407:5425:47
8:18
+0:35
20K
12.43 mi12:55:571:39:578:0326:17
8:28
+0:10
Half
13.11 mi13:01:311:45:318:035:34
8:10
-0:18
25K
15.53 mi13:22:512:06:518:1021:20
8:48
+0:38
30K
18.64 mi13:52:172:36:178:2329:26
9:28
+0:40
20M
20.00 mi14:05:212:49:218:2813:04
9:37
+0:09
21M
21.00 mi14:15:242:59:248:3310:03
10:03
+0:26
35K
21.75 mi14:22:093:06:098:346:45
9:01
-1:02
23M
23.00 mi14:34:023:18:028:3711:53
9:29
+0:28
24M
24.00 mi14:43:113:27:118:389:09
9:09
-0:20
40K
24.85 mi14:51:233:35:238:408:12
9:35
+0:26
25.2M
25.20 mi14:54:583:38:588:413:35
10:23
+0:48
Finish
26.22 mi15:03:583:47:588:429:00
8:50
-1:33

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

7:42 /mi

Average Pace

8:42 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:31

46% of race

Time at Steady Pace

46:14

20% of race

Time at Slower Pace

1:16:13

33% of race

Average Pace: 8:42 /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 mi11:39:5623:567:4223:56
7:42
#14024
10K
6.21 mi12:03:5347:537:4223:57
7:43
#13967
15K
9.32 mi12:29:401:13:407:5425:47
8:18
#15529
20K
12.43 mi12:55:571:39:578:0326:17
8:28
#16265
Half
13.11 mi13:01:311:45:318:035:34
8:10
#16300
25K
15.53 mi13:22:512:06:518:1021:20
8:48
#16750
30K
18.64 mi13:52:172:36:178:2329:26
9:28
#17369
20M
20.00 mi14:05:212:49:218:2813:04
9:37
#17569
21M
21.00 mi14:15:242:59:248:3310:03
10:03
#17644
35K
21.75 mi14:22:093:06:098:346:45
9:01
#17665
23M
23.00 mi14:34:023:18:028:3711:53
9:29
#17729
24M
24.00 mi14:43:113:27:118:389:09
9:09
#17720
40K
24.85 mi14:51:233:35:238:408:12
9:35
#17795
25.2M
25.20 mi14:54:583:38:588:413:35
10:23
#17812
Finish
26.22 mi15:03:583:47:588:429:00
8:50
#17828
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi140243927392718059(Top 64%)6357(Top 52%)6357(Top 370%)
10K6.21 mi3.10 mi13967+573923+43923+413992(Top 49%)3961(Top 32%)3961(Top 231%)
15K9.32 mi3.11 mi15529-15624867-9444867-94418059(Top 64%)6357(Top 52%)6357(Top 370%)
20K12.43 mi3.11 mi16265-7365307-4405307-44017959(Top 63%)6319(Top 52%)6319(Top 368%)
Half13.11 mi0.68 mi16300-355331-245331-2417094(Top 60%)5832(Top 48%)5832(Top 339%)
25K15.53 mi2.42 mi16750-4505616-2855616-28518926(Top 67%)6937(Top 57%)6937(Top 404%)
30K18.64 mi3.11 mi17369-6196041-4256041-42519840(Top 70%)7569(Top 62%)7569(Top 441%)
20M20.00 mi1.36 mi17569-2006185-1446185-14419677(Top 69%)7615(Top 62%)7615(Top 443%)
21M21.00 mi1.00 mi17644-756241-566241-5618505(Top 65%)7057(Top 58%)7057(Top 411%)
35K21.75 mi0.75 mi17665-216271-306271-3018357(Top 65%)7100(Top 58%)7100(Top 413%)
23M23.00 mi1.25 mi17729-646347-766347-7618664(Top 66%)7324(Top 60%)7324(Top 426%)
24M24.00 mi1.00 mi17720+96376-296376-2918127(Top 64%)7101(Top 58%)7101(Top 413%)
40K24.85 mi0.85 mi17795-756433-576433-5719071(Top 67%)7664(Top 63%)7664(Top 446%)
25.2M25.20 mi0.35 mi17812-176454-216454-2118630(Top 66%)7441(Top 61%)7441(Top 433%)
Finish26.22 mi1.02 mi17828-166481-276481-2718222(Top 64%)7196(Top 59%)7196(Top 419%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21stories
+97ft-345ft

Overall

18059

Females

6357

F40-44

6357

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13992

Females

3961

F40-44

3961

10K→15K

6.2 - 9.3 mi

Top 64%
×3stories
+67ft-78ft

Overall

18059

Females

6357

F40-44

6357

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

17959

Females

6319

F40-44

6319

20K→Half

12.4 - 13.1 mi

Top 60%
×2stories
+19ft-37ft

Overall

17094

Females

5832

F40-44

5832

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

18926

Females

6937

F40-44

6937

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

19840

Females

7569

F40-44

7569

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

19677

Females

7615

F40-44

7615

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18505

Females

7057

F40-44

7057

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

18357

Females

7100

F40-44

7100

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18664

Females

7324

F40-44

7324

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18127

Females

7101

F40-44

7101

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

19071

Females

7664

F40-44

7664

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18630

Females

7441

F40-44

7441

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18222

Females

7196

F40-44

7196

Passing Analysis

Category:
Athletes Passed
1052
Passed By
4856
Net Change
-3804
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14024
5K → 10K286229+57#14024#13967
10K → 15K181580-1562#13967#15529
15K → 20K67803-736#15529#16265
20K → Half2358-35#16265#16300
Half → 25K58508-450#16300#16750
25K → 30K86705-619#16750#17369
30K → 20M61261-200#17369#17569
20M → 21M85160-75#17569#17644
21M → 35K5677-21#17644#17665
35K → 23M95159-64#17665#17729
23M → 24M8273+9#17729#17720
24M → 40K36111-75#17720#17795
40K → 25.2M3047-17#17795#17812
25.2M → Finish6985-16#17812#17828
TOTALS10524856-3804
📊

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