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BOSTON MARATHON 2025

Camilla Herrera

Bib: 31121•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
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
30:16
Rank: #24939
Start → 5K
9:45/mi
30:16 split
10K· 6.21 mi
1:00:12
Rank: #24708 (+231)
5K → 10K
9:38/mi
29:56 split
15K· 9.32 mi
1:30:20
Rank: #24561 (+147)
10K → 15K
9:42/mi
30:08 split
20K· 12.43 mi
2:00:49
Rank: #24352 (+209)
15K → 20K
9:49/mi
30:29 split
Half· 13.11 mi
2:08:36
Rank: #24552 (-200)
20K → Half
11:24/mi
7:47 split
25K· 15.53 mi
2:35:36
Rank: #24752 (-200)
Half → 25K
11:08/mi
27:00 split
30K· 18.64 mi
3:12:16
Rank: #24894 (-142)
25K → 30K
11:48/mi
36:40 split
20M
3:27:42
Rank: #24856 (+38)
30K → 20M
11:21/mi
15:26 split
21M
3:41:02
Rank: #24912 (-56)
20M → 21M
13:20/mi
13:20 split
35K· 21.75 mi
3:49:34
Rank: #24923 (-11)
21M → 35K
11:24/mi
8:32 split
23M
4:03:38
Rank: #24878 (+45)
35K → 23M
11:14/mi
14:04 split
24M
4:15:06
Rank: #24881 (-3)
23M → 24M
11:28/mi
11:28 split
40K· 24.85 mi
4:25:56
Rank: #24927 (-46)
24M → 40K
12:40/mi
10:50 split
25.2M
4:31:47
Rank: #25025 (-98)
40K → 25.2M
16:58/mi
5:51 split
Finish· 26.22 mi
4:43:38
Rank: #25090 (-65)
25.2M → Finish
11:38/mi
11:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:36
Pace9:49 /mi
2nd Half
Distance13.11 mi
Time2:35:02
Pace11:50 /mi
📊Positive Split: 20.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:2530:169:4530:16
9:45
-
10K
6.21 mi12:24:211:00:129:4129:56
9:38
-0:07
15K
9.32 mi12:54:291:30:209:4230:08
9:42
+0:04
20K
12.43 mi13:24:582:00:499:4330:29
9:49
+0:07
Half
13.11 mi13:32:452:08:369:497:47
11:24
+1:35
25K
15.53 mi13:59:452:35:3610:0127:00
11:08
-0:16
30K
18.64 mi14:36:253:12:1610:1936:40
11:48
+0:40
20M
20.00 mi14:51:513:27:4210:2315:26
11:21
-0:27
21M
21.00 mi15:05:113:41:0210:3213:20
13:20
+1:59
35K
21.75 mi15:13:433:49:3410:338:32
11:24
-1:56
23M
23.00 mi15:27:474:03:3810:3614:04
11:14
-0:10
24M
24.00 mi15:39:154:15:0610:3811:28
11:28
+0:14
40K
24.85 mi15:50:054:25:5610:4210:50
12:40
+1:12
25.2M
25.20 mi15:55:564:31:4710:475:51
16:58
+4:18
Finish
26.22 mi16:07:474:43:3810:5011:51
11:38
-5:20

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

9:38 /mi

Average Pace

10:50 /mi

Slowest Pace

16:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:49

43% of race

Time at Steady Pace

2:12:48

47% of race

Time at Slower Pace

30:01

11% of race

Average Pace: 10:49 /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 mi11:54:2530:169:4530:16
9:45
#24939
10K
6.21 mi12:24:211:00:129:4129:56
9:38
#24708
15K
9.32 mi12:54:291:30:209:4230:08
9:42
#24561
20K
12.43 mi13:24:582:00:499:4330:29
9:49
#24352
Half
13.11 mi13:32:452:08:369:497:47
11:24
#24552
25K
15.53 mi13:59:452:35:3610:0127:00
11:08
#24752
30K
18.64 mi14:36:253:12:1610:1936:40
11:48
#24894
20M
20.00 mi14:51:513:27:4210:2315:26
11:21
#24856
21M
21.00 mi15:05:113:41:0210:3213:20
13:20
#24912
35K
21.75 mi15:13:433:49:3410:338:32
11:24
#24923
23M
23.00 mi15:27:474:03:3810:3614:04
11:14
#24878
24M
24.00 mi15:39:154:15:0610:3811:28
11:28
#24881
40K
24.85 mi15:50:054:25:5610:4210:50
12:40
#24927
25.2M
25.20 mi15:55:564:31:4710:475:51
16:58
#25025
Finish
26.22 mi16:07:474:43:3810:5011:51
11:38
#25090
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi24939101781017824270(Top 85%)9823(Top 80%)9823(Top 572%)
10K6.21 mi3.10 mi24708+23110067+11110067+11124435(Top 86%)9931(Top 81%)9931(Top 578%)
15K9.32 mi3.11 mi24561+1479989+789989+7824270(Top 85%)9823(Top 80%)9823(Top 572%)
20K12.43 mi3.11 mi24352+2099894+959894+9523786(Top 84%)9596(Top 78%)9596(Top 559%)
Half13.11 mi0.68 mi24552-20010001-10710001-10726968(Top 95%)11390(Top 93%)11390(Top 663%)
25K15.53 mi2.42 mi24752-20010121-12010121-12025392(Top 89%)10510(Top 86%)10510(Top 612%)
30K18.64 mi3.11 mi24894-14210220-9910220-9925313(Top 89%)10565(Top 86%)10565(Top 615%)
20M20.00 mi1.36 mi24856+3810216+410216+424278(Top 85%)10100(Top 83%)10100(Top 588%)
21M21.00 mi1.00 mi24912-5610256-4010256-4025473(Top 90%)10794(Top 88%)10794(Top 628%)
35K21.75 mi0.75 mi24923-1110269-1310269-1324925(Top 88%)10547(Top 86%)10547(Top 614%)
23M23.00 mi1.25 mi24878+4510262+710262+723728(Top 84%)9973(Top 82%)9973(Top 581%)
24M24.00 mi1.00 mi24881-310277-1510277-1524826(Top 87%)10549(Top 86%)10549(Top 614%)
40K24.85 mi0.85 mi24927-4610315-3810315-3825881(Top 91%)11083(Top 91%)11083(Top 645%)
25.2M25.20 mi0.35 mi25025-9810369-5410369-5428046(Top 99%)12127(Top 99%)12127(Top 706%)
Finish26.22 mi1.02 mi25090-6510407-3810407-3826313(Top 93%)11303(Top 92%)11303(Top 658%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

24270

Females

9823

F40-44

9823

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

24435

Females

9931

F40-44

9931

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

24270

Females

9823

F40-44

9823

15K→20K

9.3 - 12.4 mi

Top 84%
×5story building
+106ft-86ft

Overall

23786

Females

9596

F40-44

9596

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

26968

Females

11390

F40-44

11390

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25392

Females

10510

F40-44

10510

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

25313

Females

10565

F40-44

10565

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24278

Females

10100

F40-44

10100

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

25473

Females

10794

F40-44

10794

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

24925

Females

10547

F40-44

10547

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

23728

Females

9973

F40-44

9973

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

24826

Females

10549

F40-44

10549

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25881

Females

11083

F40-44

11083

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28046

Females

12127

F40-44

12127

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

26313

Females

11303

F40-44

11303

Passing Analysis

Category:
Athletes Passed
1209
Passed By
1360
Net Change
-151
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24939
5K → 10K332101+231#24939#24708
10K → 15K21568+147#24708#24561
15K → 20K24738+209#24561#24352
20K → Half6206-200#24352#24552
Half → 25K48248-200#24552#24752
25K → 30K83225-142#24752#24894
30K → 20M7638+38#24894#24856
20M → 21M3591-56#24856#24912
21M → 35K3445-11#24912#24923
35K → 23M6823+45#24923#24878
23M → 24M3336-3#24878#24881
24M → 40K2369-46#24881#24927
40K → 25.2M3101-98#24927#25025
25.2M → Finish671-65#25025#25090
TOTALS12091360-151
📊

Passing Visuals

Category:
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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