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BOSTON MARATHON 2025

Carina Amorim De Sá

Bib: 12457•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 22%
Gender (Female)
#0 / 12228
Top 6%
Division (F18-39)
#0 / 5469
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:45
Rank: #10580
Start → 5K
7:19/mi
22:45 split
10K· 6.21 mi
44:44
Rank: #9453 (+1127)
5K → 10K
7:05/mi
21:59 split
15K· 9.32 mi
1:06:36
Rank: #8883 (+570)
10K → 15K
7:02/mi
21:52 split
20K· 12.43 mi
1:28:49
Rank: #8521 (+362)
15K → 20K
7:09/mi
22:13 split
Half· 13.11 mi
1:33:43
Rank: #8527 (-6)
20K → Half
7:11/mi
4:54 split
25K· 15.53 mi
1:51:16
Rank: #8378 (+149)
Half → 25K
7:14/mi
17:33 split
30K· 18.64 mi
2:13:26
Rank: #7738 (+640)
25K → 30K
7:08/mi
22:10 split
20M
2:23:09
Rank: #7437 (+301)
30K → 20M
7:09/mi
9:43 split
21M
2:30:43
Rank: #7242 (+195)
20M → 21M
7:34/mi
7:34 split
35K· 21.75 mi
2:35:58
Rank: #7130 (+112)
21M → 35K
7:01/mi
5:15 split
23M
2:44:47
Rank: #6865 (+265)
35K → 23M
7:03/mi
8:49 split
24M
2:51:38
Rank: #6635 (+230)
23M → 24M
6:51/mi
6:51 split
40K· 24.85 mi
2:57:26
Rank: #6426 (+209)
24M → 40K
6:47/mi
5:48 split
25.2M
2:59:56
Rank: #6337 (+89)
40K → 25.2M
7:15/mi
2:30 split
Finish· 26.22 mi
3:06:30
Rank: #6131 (+206)
25.2M → Finish
6:27/mi
6:34 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:33:43
Pace7:09 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:32:47
Pace7:05 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4522:457:1922:45
7:19
-
10K
6.21 mi11:13:4444:447:1221:59
7:05
-0:14
15K
9.32 mi11:35:361:06:367:0921:52
7:02
-0:03
20K
12.43 mi11:57:491:28:497:0922:13
7:09
+0:07
Half
13.11 mi12:02:431:33:437:094:54
7:11
+0:02
25K
15.53 mi12:20:161:51:167:1017:33
7:14
+0:03
30K
18.64 mi12:42:262:13:267:0922:10
7:08
-0:06
20M
20.00 mi12:52:092:23:097:099:43
7:09
+0:01
21M
21.00 mi12:59:432:30:437:117:34
7:34
+0:25
35K
21.75 mi13:04:582:35:587:105:15
7:01
-0:33
23M
23.00 mi13:13:472:44:477:108:49
7:03
+0:02
24M
24.00 mi13:20:382:51:387:096:51
6:51
-0:12
40K
24.85 mi13:26:262:57:267:085:48
6:47
-0:04
25.2M
25.20 mi13:28:562:59:567:082:30
7:15
+0:28
Finish
26.22 mi13:35:303:06:307:076:34
6:27
-0:48

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

6:27 /mi

Average Pace

7:07 /mi

Slowest Pace

7:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:17:08

41% of race

Time at Steady Pace

1:49:22

59% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:07 /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 mi10:51:4522:457:1922:45
7:19
#10580
10K
6.21 mi11:13:4444:447:1221:59
7:05
#9453
15K
9.32 mi11:35:361:06:367:0921:52
7:02
#8883
20K
12.43 mi11:57:491:28:497:0922:13
7:09
#8521
Half
13.11 mi12:02:431:33:437:094:54
7:11
#8527
25K
15.53 mi12:20:161:51:167:1017:33
7:14
#8378
30K
18.64 mi12:42:262:13:267:0922:10
7:08
#7738
20M
20.00 mi12:52:092:23:097:099:43
7:09
#7437
21M
21.00 mi12:59:432:30:437:117:34
7:34
#7242
35K
21.75 mi13:04:582:35:587:105:15
7:01
#7130
23M
23.00 mi13:13:472:44:477:108:49
7:03
#6865
24M
24.00 mi13:20:382:51:387:096:51
6:51
#6635
40K
24.85 mi13:26:262:57:267:085:48
6:47
#6426
25.2M
25.20 mi13:28:562:59:567:082:30
7:15
#6337
Finish
26.22 mi13:35:303:06:307:076:34
6:27
#6131
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10580207020707887(Top 28%)989(Top 8%)989(Top 18%)
10K6.21 mi3.10 mi9453+11271551+5191551+5198480(Top 30%)1173(Top 10%)1173(Top 21%)
15K9.32 mi3.11 mi8883+5701343+2081343+2087887(Top 28%)989(Top 8%)989(Top 18%)
20K12.43 mi3.11 mi8521+3621226+1171226+1177829(Top 28%)1042(Top 9%)1042(Top 19%)
Half13.11 mi0.68 mi8527-61229-31229-38952(Top 32%)1453(Top 12%)1453(Top 27%)
25K15.53 mi2.42 mi8378+1491193+361193+367902(Top 28%)1170(Top 10%)1170(Top 21%)
30K18.64 mi3.11 mi7738+6401004+1891004+1895539(Top 20%)562(Top 5%)562(Top 10%)
20M20.00 mi1.36 mi7437+301932+72932+724959(Top 17%)498(Top 4%)498(Top 9%)
21M21.00 mi1.00 mi7242+195904+28904+284965(Top 17%)605(Top 5%)605(Top 11%)
35K21.75 mi0.75 mi7130+112890+14890+145507(Top 19%)757(Top 6%)757(Top 14%)
23M23.00 mi1.25 mi6865+265845+45845+454037(Top 14%)426(Top 3%)426(Top 8%)
24M24.00 mi1.00 mi6635+230807+38807+383851(Top 14%)434(Top 4%)434(Top 8%)
40K24.85 mi0.85 mi6426+209762+45762+452803(Top 10%)259(Top 2%)259(Top 5%)
25.2M25.20 mi0.35 mi6337+89749+13749+132408(Top 8%)251(Top 2%)251(Top 5%)
Finish26.22 mi1.02 mi6131+206706+43706+432567(Top 9%)235(Top 2%)235(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21story building
+97ft-345ft

Overall

7887

Females

989

F18-39

989

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8480

Females

1173

F18-39

1173

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+67ft-78ft

Overall

7887

Females

989

F18-39

989

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7829

Females

1042

F18-39

1042

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8952

Females

1453

F18-39

1453

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7902

Females

1170

F18-39

1170

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5539

Females

562

F18-39

562

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4959

Females

498

F18-39

498

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4965

Females

605

F18-39

605

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5507

Females

757

F18-39

757

35K→23M

21.8 - 23.0 mi

Top 14%
×5story building
+23ft-63ft

Overall

4037

Females

426

F18-39

426

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3851

Females

434

F18-39

434

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2803

Females

259

F18-39

259

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2408

Females

251

F18-39

251

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2567

Females

235

F18-39

235

Passing Analysis

Category:
Athletes Passed
4612*
Passed By
163
Net Change
+4449
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10580
5K → 10K1150*23+1127#10580#9453
10K → 15K58616+570#9453#8883
15K → 20K38624+362#8883#8521
20K → Half2733-6#8521#8527
Half → 25K19950+149#8527#8378
25K → 30K6444+640#8378#7738
30K → 20M3032+301#7738#7437
20M → 21M2005+195#7437#7242
21M → 35K1142+112#7242#7130
35K → 23M2650+265#7130#6865
23M → 24M2333+230#6865#6635
24M → 40K2101+209#6635#6426
40K → 25.2M890+89#6426#6337
25.2M → Finish2060+206#6337#6131
TOTALS4612*163+4449

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

📊

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