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BOSTON MARATHON 2025

Marcelle Breau

Bib: 25634•F

NB

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F70-74)
#0 / 71
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:54
Rank: #24613
Start → 5K
29:54 | 9:37/mi
10K· 6.21 mi
1:02:14
Rank: #25480 (-867)
5K → 10K
32:20 | 10:24/mi
15K· 9.32 mi
1:38:35
Rank: #26414 (-934)
10K → 15K
36:21 | 11:42/mi
20K· 12.43 mi
2:15:28
Rank: #26639 (-225)
15K → 20K
36:53 | 11:52/mi
Half· 13.11 mi
2:23:45
Rank: #26718 (-79)
20K → Half
8:17 | 12:08/mi
25K· 15.53 mi
2:53:05
Rank: #26701 (+17)
Half → 25K
29:20 | 12:06/mi
30K· 18.64 mi
3:31:45
Rank: #26607 (+94)
25K → 30K
38:40 | 12:27/mi
20M
3:49:00
Rank: #26577 (+30)
30K → 20M
17:15 | 12:42/mi
21M
4:02:16
Rank: #26525 (+52)
20M → 21M
13:16 | 13:16/mi
35K· 21.75 mi
4:11:39
Rank: #26530 (-5)
21M → 35K
9:23 | 12:33/mi
23M
4:27:33
Rank: #26506 (+24)
35K → 23M
15:54 | 12:42/mi
24M
4:39:52
Rank: #26508 (-2)
23M → 24M
12:19 | 12:19/mi
40K· 24.85 mi
4:50:53
Rank: #26529 (-21)
24M → 40K
11:01 | 12:53/mi
25.2M
4:55:43
Rank: #26527 (+2)
40K → 25.2M
4:50 | 14:01/mi
Finish· 26.22 mi
5:08:29
Rank: #26570 (-43)
25.2M → Finish
12:46 | 12:32/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:45
Pace10:58 /mi
2nd Half
Distance13.11 mi
Time2:44:44
Pace12:34 /mi
📊Positive Split: 14.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1529:549:3729:54
9:37
-
10K
6.21 mi12:17:351:02:1410:0132:20
10:24
+0:47
15K
9.32 mi12:53:561:38:3510:3536:21
11:42
+1:18
20K
12.43 mi13:30:492:15:2810:5436:53
11:52
+0:10
Half
13.11 mi13:39:062:23:4510:588:17
12:08
+0:16
25K
15.53 mi14:08:262:53:0511:0929:20
12:06
-0:02
30K
18.64 mi14:47:063:31:4511:2238:40
12:27
+0:21
20M
20.00 mi15:04:213:49:0011:2717:15
12:42
+0:15
21M
21.00 mi15:17:374:02:1611:3213:16
13:16
+0:34
35K
21.75 mi15:27:004:11:3911:349:23
12:33
-0:43
23M
23.00 mi15:42:544:27:3311:3815:54
12:42
+0:09
24M
24.00 mi15:55:134:39:5211:4012:19
12:19
-0:23
40K
24.85 mi16:06:144:50:5311:4211:01
12:53
+0:34
25.2M
25.20 mi16:11:044:55:4311:444:50
14:01
+1:08
Finish
26.22 mi16:23:505:08:2911:4612:46
12:32
-1:29

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

9:37 /mi

Average Pace

11:46 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:28

44% of race

Time at Steady Pace

2:34:55

50% of race

Time at Slower Pace

18:06

6% of race

Average Pace: 11:46 /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 mi11:45:1529:549:3729:54
9:37
#24613
10K
6.21 mi12:17:351:02:1410:0132:20
10:24
#25480
15K
9.32 mi12:53:561:38:3510:3536:21
11:42
#26414
20K
12.43 mi13:30:492:15:2810:5436:53
11:52
#26639
Half
13.11 mi13:39:062:23:4510:588:17
12:08
#26718
25K
15.53 mi14:08:262:53:0511:0929:20
12:06
#26701
30K
18.64 mi14:47:063:31:4511:2238:40
12:27
#26607
20M
20.00 mi15:04:213:49:0011:2717:15
12:42
#26577
21M
21.00 mi15:17:374:02:1611:3213:16
13:16
#26525
35K
21.75 mi15:27:004:11:3911:349:23
12:33
#26530
23M
23.00 mi15:42:544:27:3311:3815:54
12:42
#26506
24M
24.00 mi15:55:134:39:5211:4012:19
12:19
#26508
40K
24.85 mi16:06:144:50:5311:4211:01
12:53
#26529
25.2M
25.20 mi16:11:044:55:4311:444:50
14:01
#26527
Finish
26.22 mi16:23:505:08:2911:4612:46
12:32
#26570
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF70-74Seg. OverallSeg. FemalesSeg. F70-74
5K3.11 mi3.11 mi24613100171001727413(Top 97%)11630(Top 95%)11630(Top 16380%)
10K6.21 mi3.10 mi25480-86710489-47210489-47226109(Top 92%)10850(Top 89%)10850(Top 15282%)
15K9.32 mi3.11 mi26414-93411011-52211011-52227413(Top 97%)11630(Top 95%)11630(Top 16380%)
20K12.43 mi3.11 mi26639-22511142-13111142-13126997(Top 95%)11387(Top 93%)11387(Top 16038%)
Half13.11 mi0.68 mi26718-7911189-4711189-4727541(Top 97%)11734(Top 96%)11734(Top 16527%)
25K15.53 mi2.42 mi26701+1711197-811197-826535(Top 93%)11160(Top 91%)11160(Top 15718%)
30K18.64 mi3.11 mi26607+9411168+2911168+2926110(Top 92%)11001(Top 90%)11001(Top 15494%)
20M20.00 mi1.36 mi26577+3011160+811160+826130(Top 92%)11078(Top 91%)11078(Top 15603%)
21M21.00 mi1.00 mi26525+5211139+2111139+2125385(Top 89%)10758(Top 88%)10758(Top 15152%)
35K21.75 mi0.75 mi26530-511150-1111150-1126493(Top 93%)11333(Top 93%)11333(Top 15962%)
23M23.00 mi1.25 mi26506+2411155-511155-526036(Top 92%)11112(Top 91%)11112(Top 15651%)
24M24.00 mi1.00 mi26508-211161-611161-626069(Top 92%)11159(Top 91%)11159(Top 15717%)
40K24.85 mi0.85 mi26529-2111174-1311174-1326170(Top 92%)11229(Top 92%)11229(Top 15815%)
25.2M25.20 mi0.35 mi26527+211173+111173+126277(Top 93%)11326(Top 93%)11326(Top 15952%)
Finish26.22 mi1.02 mi26570-4311204-3111204-3127304(Top 96%)11772(Top 96%)11772(Top 16580%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

27413

Females

11630

F70-74

11630

5K→10K

3.1 - 6.2 mi

Top 92%
×5stories
+79ft-138ft

Overall

26109

Females

10850

F70-74

10850

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

27413

Females

11630

F70-74

11630

15K→20K

9.3 - 12.4 mi

Top 95%
×5stories
+106ft-86ft

Overall

26997

Females

11387

F70-74

11387

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

27541

Females

11734

F70-74

11734

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

26535

Females

11160

F70-74

11160

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

26110

Females

11001

F70-74

11001

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26130

Females

11078

F70-74

11078

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25385

Females

10758

F70-74

10758

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

26493

Females

11333

F70-74

11333

35K→23M

21.8 - 23.0 mi

Top 92%
×5stories
+23ft-63ft

Overall

26036

Females

11112

F70-74

11112

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

26069

Females

11159

F70-74

11159

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

26170

Females

11229

F70-74

11229

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

26277

Females

11326

F70-74

11326

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

27304

Females

11772

F70-74

11772

Passing Analysis

Category:
Athletes Passed
585
Passed By
2542
Net Change
-1957
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24613
5K → 10K26893-867#24613#25480
10K → 15K8942-934#25480#26414
15K → 20K54279-225#26414#26639
20K → Half483-79#26639#26718
Half → 25K9881+17#26718#26701
25K → 30K12834+94#26701#26607
30K → 20M6131+30#26607#26577
20M → 21M6412+52#26577#26525
21M → 35K2328-5#26525#26530
35K → 23M5632+24#26530#26506
23M → 24M2830-2#26506#26508
24M → 40K1637-21#26508#26529
40K → 25.2M119+2#26529#26527
25.2M → Finish851-43#26527#26570
TOTALS5852542-1957
📊

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