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BOSTON MARATHON 2025

Lúcia Costa

Bib: 25607•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F65-69)
#0 / 222
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:41
Rank: #24413
Start → 5K
9:33/mi
29:41 split
10K· 6.21 mi
1:00:40
Rank: #24884 (-471)
5K → 10K
9:58/mi
30:59 split
15K· 9.32 mi
1:33:39
Rank: #25406 (-522)
10K → 15K
10:37/mi
32:59 split
20K· 12.43 mi
2:08:53
Rank: #25734 (-328)
15K → 20K
11:20/mi
35:14 split
Half· 13.11 mi
2:16:09
Rank: #25750 (-16)
20K → Half
10:39/mi
7:16 split
25K· 15.53 mi
2:43:54
Rank: #25776 (-26)
Half → 25K
11:27/mi
27:45 split
30K· 18.64 mi
3:22:22
Rank: #25837 (-61)
25K → 30K
12:23/mi
38:28 split
20M
3:39:29
Rank: #25866 (-29)
30K → 20M
12:36/mi
17:07 split
21M
3:52:45
Rank: #25855 (+11)
20M → 21M
13:16/mi
13:16 split
35K· 21.75 mi
4:00:28
Rank: #25779 (+76)
21M → 35K
10:19/mi
7:43 split
23M
4:14:32
Rank: #25703 (+76)
35K → 23M
11:14/mi
14:04 split
24M
4:25:14
Rank: #25622 (+81)
23M → 24M
10:42/mi
10:42 split
40K· 24.85 mi
4:34:46
Rank: #25549 (+73)
24M → 40K
11:09/mi
9:32 split
25.2M
4:39:00
Rank: #25525 (+24)
40K → 25.2M
12:17/mi
4:14 split
Finish· 26.22 mi
4:49:13
Rank: #25451 (+74)
25.2M → Finish
10:02/mi
10:13 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:09
Pace10:23 /mi
2nd Half
Distance13.11 mi
Time2:33:04
Pace11:41 /mi
📊Positive Split: 12.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4429:419:3329:41
9:33
-
10K
6.21 mi12:15:431:00:409:4630:59
9:58
+0:25
15K
9.32 mi12:48:421:33:3910:0332:59
10:37
+0:39
20K
12.43 mi13:23:562:08:5310:2235:14
11:20
+0:43
Half
13.11 mi13:31:122:16:0910:237:16
10:39
-0:41
25K
15.53 mi13:58:572:43:5410:3327:45
11:27
+0:48
30K
18.64 mi14:37:253:22:2210:5138:28
12:23
+0:56
20M
20.00 mi14:54:323:39:2910:5817:07
12:36
+0:13
21M
21.00 mi15:07:483:52:4511:0513:16
13:16
+0:40
35K
21.75 mi15:15:314:00:2811:037:43
10:19
-2:57
23M
23.00 mi15:29:354:14:3211:0414:04
11:14
+0:55
24M
24.00 mi15:40:174:25:1411:0310:42
10:42
-0:32
40K
24.85 mi15:49:494:34:4611:039:32
11:09
+0:27
25.2M
25.20 mi15:54:034:39:0011:044:14
12:17
+1:08
Finish
26.22 mi16:04:164:49:1311:0210:13
10:02
-2:15

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

9:33 /mi

Average Pace

11:02 /mi

Slowest Pace

13:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:35

39% of race

Time at Steady Pace

1:44:33

36% of race

Time at Slower Pace

1:13:05

25% of race

Average Pace: 11:02 /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 mi11:44:4429:419:3329:41
9:33
#24413
10K
6.21 mi12:15:431:00:409:4630:59
9:58
#24884
15K
9.32 mi12:48:421:33:3910:0332:59
10:37
#25406
20K
12.43 mi13:23:562:08:5310:2235:14
11:20
#25734
Half
13.11 mi13:31:122:16:0910:237:16
10:39
#25750
25K
15.53 mi13:58:572:43:5410:3327:45
11:27
#25776
30K
18.64 mi14:37:253:22:2210:5138:28
12:23
#25837
20M
20.00 mi14:54:323:39:2910:5817:07
12:36
#25866
21M
21.00 mi15:07:483:52:4511:0513:16
13:16
#25855
35K
21.75 mi15:15:314:00:2811:037:43
10:19
#25779
23M
23.00 mi15:29:354:14:3211:0414:04
11:14
#25703
24M
24.00 mi15:40:174:25:1411:0310:42
10:42
#25622
40K
24.85 mi15:49:494:34:4611:039:32
11:09
#25549
25.2M
25.20 mi15:54:034:39:0011:044:14
12:17
#25525
Finish
26.22 mi16:04:164:49:1311:0210:13
10:02
#25451
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi244139913991326129(Top 92%)10860(Top 89%)10860(Top 4892%)
10K6.21 mi3.10 mi24884-47110168-25510168-25525246(Top 89%)10368(Top 85%)10368(Top 4670%)
15K9.32 mi3.11 mi25406-52210445-27710445-27726129(Top 92%)10860(Top 89%)10860(Top 4892%)
20K12.43 mi3.11 mi25734-32810636-19110636-19126433(Top 93%)11054(Top 90%)11054(Top 4979%)
Half13.11 mi0.68 mi25750-1610640-410640-425994(Top 92%)10818(Top 88%)10818(Top 4873%)
25K15.53 mi2.42 mi25776-2610678-3810678-3825787(Top 91%)10741(Top 88%)10741(Top 4838%)
30K18.64 mi3.11 mi25837-6110735-5710735-5726038(Top 92%)10961(Top 90%)10961(Top 4937%)
20M20.00 mi1.36 mi25866-2910763-2810763-2825997(Top 92%)11013(Top 90%)11013(Top 4961%)
21M21.00 mi1.00 mi25855+1110773-1010773-1025379(Top 89%)10752(Top 88%)10752(Top 4843%)
35K21.75 mi0.75 mi25779+7610739+3410739+3422699(Top 80%)9398(Top 77%)9398(Top 4233%)
23M23.00 mi1.25 mi25703+7610715+2410715+2423731(Top 84%)9976(Top 82%)9976(Top 4494%)
24M24.00 mi1.00 mi25622+8110686+2910686+2923300(Top 82%)9788(Top 80%)9788(Top 4409%)
40K24.85 mi0.85 mi25549+7310656+3010656+3023438(Top 83%)9917(Top 81%)9917(Top 4467%)
25.2M25.20 mi0.35 mi25525+2410649+710649+723699(Top 83%)10031(Top 82%)10031(Top 4518%)
Finish26.22 mi1.02 mi25451+7410606+4310606+4322984(Top 81%)9663(Top 79%)9663(Top 4353%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26129

Females

10860

F65-69

10860

5K→10K

3.1 - 6.2 mi

Top 89%
×5stories
+79ft-138ft

Overall

25246

Females

10368

F65-69

10368

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26129

Females

10860

F65-69

10860

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

26433

Females

11054

F65-69

11054

20K→Half

12.4 - 13.1 mi

Top 92%
×2stories
+19ft-37ft

Overall

25994

Females

10818

F65-69

10818

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25787

Females

10741

F65-69

10741

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

26038

Females

10961

F65-69

10961

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

25997

Females

11013

F65-69

11013

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25379

Females

10752

F65-69

10752

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22699

Females

9398

F65-69

9398

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

23731

Females

9976

F65-69

9976

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

23300

Females

9788

F65-69

9788

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23438

Females

9917

F65-69

9917

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23699

Females

10031

F65-69

10031

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

22984

Females

9663

F65-69

9663

Passing Analysis

Category:
Athletes Passed
863
Passed By
1901
Net Change
-1038
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24413
5K → 10K74545-471#24413#24884
10K → 15K25547-522#24884#25406
15K → 20K52380-328#25406#25734
20K → Half1228-16#25734#25750
Half → 25K92118-26#25750#25776
25K → 30K83144-61#25776#25837
30K → 20M4473-29#25837#25866
20M → 21M4837+11#25866#25855
21M → 35K760+76#25855#25779
35K → 23M826+76#25779#25703
23M → 24M854+81#25703#25622
24M → 40K796+73#25622#25549
40K → 25.2M3511+24#25549#25525
25.2M → Finish762+74#25525#25451
TOTALS8631901-1038
📊

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