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BOSTON MARATHON 2025

Laura Ferreira

Bib: 13832•F

BC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Female)
#0 / 12228
Top 8%
Division (F18-39)
#0 / 5469
Top 15%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:39
Rank: #10276
Start → 5K
22:39 | 7:17/mi
10K· 6.21 mi
44:55
Rank: #9707 (+569)
5K → 10K
22:16 | 7:10/mi
15K· 9.32 mi
1:06:48
Rank: #9043 (+664)
10K → 15K
21:53 | 7:03/mi
20K· 12.43 mi
1:28:35
Rank: #8365 (+678)
15K → 20K
21:47 | 7:01/mi
Half· 13.11 mi
1:33:28
Rank: #8382 (-17)
20K → Half
4:53 | 7:09/mi
25K· 15.53 mi
1:50:54
Rank: #8207 (+175)
Half → 25K
17:26 | 7:11/mi
30K· 18.64 mi
2:14:01
Rank: #7957 (+250)
25K → 30K
23:07 | 7:26/mi
20M
2:24:06
Rank: #7787 (+170)
30K → 20M
10:05 | 7:25/mi
21M
2:31:57
Rank: #7646 (+141)
20M → 21M
7:51 | 7:51/mi
35K· 21.75 mi
2:37:26
Rank: #7598 (+48)
21M → 35K
5:29 | 7:20/mi
23M
2:46:45
Rank: #7459 (+139)
35K → 23M
9:19 | 7:26/mi
24M
2:54:00
Rank: #7353 (+106)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
3:00:14
Rank: #7229 (+124)
24M → 40K
6:14 | 7:17/mi
25.2M
3:02:52
Rank: #7152 (+77)
40K → 25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:09:44
Rank: #6983 (+169)
25.2M → Finish
6:52 | 6:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:28
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:36:16
Pace7:21 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2922:397:1722:39
7:17
-
10K
6.21 mi11:14:4544:557:1422:16
7:10
-0:07
15K
9.32 mi11:36:381:06:487:1021:53
7:03
-0:07
20K
12.43 mi11:58:251:28:357:0821:47
7:01
-0:02
Half
13.11 mi12:03:181:33:287:084:53
7:09
+0:08
25K
15.53 mi12:20:441:50:547:0817:26
7:11
+0:02
30K
18.64 mi12:43:512:14:017:1123:07
7:26
+0:15
20M
20.00 mi12:53:562:24:067:1210:05
7:25
-0:01
21M
21.00 mi13:01:472:31:577:147:51
7:51
+0:26
35K
21.75 mi13:07:162:37:267:145:29
7:20
-0:31
23M
23.00 mi13:16:352:46:457:159:19
7:26
+0:06
24M
24.00 mi13:23:502:54:007:157:15
7:15
-0:11
40K
24.85 mi13:30:043:00:147:156:14
7:17
+0:02
25.2M
25.20 mi13:32:423:02:527:152:38
7:38
+0:21
Finish
26.22 mi13:39:343:09:447:156:52
6:44
-0:54

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

6:44 /mi

Average Pace

7:15 /mi

Slowest Pace

7:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:44

72% of race

Time at Steady Pace

53:00

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:14 /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 mi10:52:2922:397:1722:39
7:17
#10276
10K
6.21 mi11:14:4544:557:1422:16
7:10
#9707
15K
9.32 mi11:36:381:06:487:1021:53
7:03
#9043
20K
12.43 mi11:58:251:28:357:0821:47
7:01
#8365
Half
13.11 mi12:03:181:33:287:084:53
7:09
#8382
25K
15.53 mi12:20:441:50:547:0817:26
7:11
#8207
30K
18.64 mi12:43:512:14:017:1123:07
7:26
#7957
20M
20.00 mi12:53:562:24:067:1210:05
7:25
#7787
21M
21.00 mi13:01:472:31:577:147:51
7:51
#7646
35K
21.75 mi13:07:162:37:267:145:29
7:20
#7598
23M
23.00 mi13:16:352:46:457:159:19
7:26
#7459
24M
24.00 mi13:23:502:54:007:157:15
7:15
#7353
40K
24.85 mi13:30:043:00:147:156:14
7:17
#7229
25.2M
25.20 mi13:32:423:02:527:152:38
7:38
#7152
Finish
26.22 mi13:39:343:09:447:156:52
6:44
#6983
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10276193119317925(Top 28%)1004(Top 8%)1004(Top 18%)
10K6.21 mi3.10 mi9707+5691669+2621669+2629218(Top 32%)1467(Top 12%)1467(Top 27%)
15K9.32 mi3.11 mi9043+6641414+2551414+2557925(Top 28%)1004(Top 8%)1004(Top 18%)
20K12.43 mi3.11 mi8365+6781172+2421172+2426950(Top 24%)764(Top 6%)764(Top 14%)
Half13.11 mi0.68 mi8382-171181-91181-98758(Top 31%)1370(Top 11%)1370(Top 25%)
25K15.53 mi2.42 mi8207+1751131+501131+507550(Top 27%)1058(Top 9%)1058(Top 19%)
30K18.64 mi3.11 mi7957+2501091+401091+407316(Top 26%)1131(Top 9%)1131(Top 21%)
20M20.00 mi1.36 mi7787+1701058+331058+336533(Top 23%)977(Top 8%)977(Top 18%)
21M21.00 mi1.00 mi7646+1411047+111047+116519(Top 23%)1110(Top 9%)1110(Top 20%)
35K21.75 mi0.75 mi7598+481045+21045+27437(Top 26%)1459(Top 12%)1459(Top 27%)
23M23.00 mi1.25 mi7459+1391044+11044+16319(Top 22%)1137(Top 9%)1137(Top 21%)
24M24.00 mi1.00 mi7353+1061041+31041+36144(Top 22%)1120(Top 9%)1120(Top 20%)
40K24.85 mi0.85 mi7229+1241020+211020+215635(Top 20%)986(Top 8%)986(Top 18%)
25.2M25.20 mi0.35 mi7152+771013+71013+74125(Top 15%)603(Top 5%)603(Top 11%)
Finish26.22 mi1.02 mi6983+169981+32981+324168(Top 15%)601(Top 5%)601(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7925

Females

1004

F18-39

1004

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

9218

Females

1467

F18-39

1467

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7925

Females

1004

F18-39

1004

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6950

Females

764

F18-39

764

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

8758

Females

1370

F18-39

1370

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7550

Females

1058

F18-39

1058

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7316

Females

1131

F18-39

1131

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6533

Females

977

F18-39

977

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

6519

Females

1110

F18-39

1110

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

7437

Females

1459

F18-39

1459

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

6319

Females

1137

F18-39

1137

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6144

Females

1120

F18-39

1120

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5635

Females

986

F18-39

986

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4125

Females

603

F18-39

603

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2stories
+22ft-21ft

Overall

4168

Females

601

F18-39

601

Passing Analysis

Category:
Athletes Passed
3644*
Passed By
351
Net Change
+3293
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10276
5K → 10K632*63+569#10276#9707
10K → 15K6695+664#9707#9043
15K → 20K6802+678#9043#8365
20K → Half1835-17#8365#8382
Half → 25K21237+175#8382#8207
25K → 30K30959+250#8207#7957
30K → 20M18414+170#7957#7787
20M → 21M17837+141#7787#7646
21M → 35K7628+48#7646#7598
35K → 23M17233+139#7598#7459
23M → 24M12216+106#7459#7353
24M → 40K13511+124#7353#7229
40K → 25.2M803+77#7229#7152
25.2M → Finish1778+169#7152#6983
TOTALS3644*351+3293

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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