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BOSTON MARATHON 2025

Nathalia Pinheiro

Bib: 20820•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
25:32
Rank: #18249
Start → 5K
8:13/mi
25:32 split
10K· 6.21 mi
52:03
Rank: #19110 (-861)
5K → 10K
8:32/mi
26:31 split
15K· 9.32 mi
1:19:20
Rank: #19753 (-643)
10K → 15K
8:47/mi
27:17 split
20K· 12.43 mi
1:47:28
Rank: #20120 (-367)
15K → 20K
9:03/mi
28:08 split
Half· 13.11 mi
1:53:28
Rank: #20152 (-32)
20K → Half
8:48/mi
6:00 split
25K· 15.53 mi
2:15:17
Rank: #20118 (+34)
Half → 25K
9:00/mi
21:49 split
30K· 18.64 mi
2:44:50
Rank: #20098 (+20)
25K → 30K
9:31/mi
29:33 split
20M
2:58:03
Rank: #20099 (-1)
30K → 20M
9:44/mi
13:13 split
21M
3:08:22
Rank: #20035 (+64)
20M → 21M
10:19/mi
10:19 split
35K· 21.75 mi
3:15:22
Rank: #20044 (-9)
21M → 35K
9:21/mi
7:00 split
23M
3:27:08
Rank: #19947 (+97)
35K → 23M
9:24/mi
11:46 split
24M
3:36:09
Rank: #19840 (+107)
23M → 24M
9:01/mi
9:01 split
40K· 24.85 mi
3:44:08
Rank: #19767 (+73)
24M → 40K
9:20/mi
7:59 split
25.2M
3:47:42
Rank: #19750 (+17)
40K → 25.2M
10:21/mi
3:34 split
Finish· 26.22 mi
3:56:35
Rank: #19672 (+78)
25.2M → Finish
8:43/mi
8:53 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:28
Pace8:39 /mi
2nd Half
Distance13.11 mi
Time2:03:07
Pace9:24 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:2425:328:1325:32
8:13
-
10K
6.21 mi11:44:5552:038:2326:31
8:32
+0:19
15K
9.32 mi12:12:121:19:208:3127:17
8:47
+0:15
20K
12.43 mi12:40:201:47:288:3928:08
9:03
+0:16
Half
13.11 mi12:46:201:53:288:396:00
8:48
-0:15
25K
15.53 mi13:08:092:15:178:4321:49
9:00
+0:12
30K
18.64 mi13:37:422:44:508:5129:33
9:31
+0:31
20M
20.00 mi13:50:552:58:038:5413:13
9:44
+0:13
21M
21.00 mi14:01:143:08:228:5810:19
10:19
+0:35
35K
21.75 mi14:08:143:15:228:597:00
9:21
-0:58
23M
23.00 mi14:20:003:27:089:0011:46
9:24
+0:03
24M
24.00 mi14:29:013:36:099:009:01
9:01
-0:23
40K
24.85 mi14:37:003:44:089:017:59
9:20
+0:19
25.2M
25.20 mi14:40:343:47:429:023:34
10:21
+1:01
Finish
26.22 mi14:49:273:56:359:028:53
8:43
-1:38

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

8:13 /mi

Average Pace

9:02 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:00:56

26% of race

Time at Steady Pace

1:40:14

42% of race

Time at Slower Pace

1:15:25

32% of race

Average Pace: 9:01 /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 mi11:18:2425:328:1325:32
8:13
#18249
10K
6.21 mi11:44:5552:038:2326:31
8:32
#19110
15K
9.32 mi12:12:121:19:208:3127:17
8:47
#19753
20K
12.43 mi12:40:201:47:288:3928:08
9:03
#20120
Half
13.11 mi12:46:201:53:288:396:00
8:48
#20152
25K
15.53 mi13:08:092:15:178:4321:49
9:00
#20118
30K
18.64 mi13:37:422:44:508:5129:33
9:31
#20098
20M
20.00 mi13:50:552:58:038:5413:13
9:44
#20099
21M
21.00 mi14:01:143:08:228:5810:19
10:19
#20035
35K
21.75 mi14:08:143:15:228:597:00
9:21
#20044
23M
23.00 mi14:20:003:27:089:0011:46
9:24
#19947
24M
24.00 mi14:29:013:36:099:009:01
9:01
#19840
40K
24.85 mi14:37:003:44:089:017:59
9:20
#19767
25.2M
25.20 mi14:40:343:47:429:023:34
10:21
#19750
Finish
26.22 mi14:49:273:56:359:028:53
8:43
#19672
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi182496493649320944(Top 74%)7971(Top 65%)7971(Top 464%)
10K6.21 mi3.10 mi19110-8616965-4726965-47220010(Top 70%)7470(Top 61%)7470(Top 435%)
15K9.32 mi3.11 mi19753-6437325-3607325-36020944(Top 74%)7971(Top 65%)7971(Top 464%)
20K12.43 mi3.11 mi20120-3677535-2107535-21021249(Top 75%)8175(Top 67%)8175(Top 476%)
Half13.11 mi0.68 mi20152-327562-277562-2720895(Top 74%)7978(Top 65%)7978(Top 464%)
25K15.53 mi2.42 mi20118+347555+77555+719906(Top 70%)7481(Top 61%)7481(Top 435%)
30K18.64 mi3.11 mi20098+207581-267581-2619989(Top 70%)7659(Top 63%)7659(Top 446%)
20M20.00 mi1.36 mi20099-17605-247605-2420039(Top 71%)7813(Top 64%)7813(Top 455%)
21M21.00 mi1.00 mi20035+647593+127593+1219439(Top 68%)7580(Top 62%)7580(Top 441%)
35K21.75 mi0.75 mi20044-97619-267619-2619813(Top 70%)7879(Top 64%)7879(Top 459%)
23M23.00 mi1.25 mi19947+977593+267593+2618248(Top 64%)7110(Top 58%)7110(Top 414%)
24M24.00 mi1.00 mi19840+1077561+327561+3217490(Top 62%)6767(Top 55%)6767(Top 394%)
40K24.85 mi0.85 mi19767+737534+277534+2718046(Top 64%)7150(Top 58%)7150(Top 416%)
25.2M25.20 mi0.35 mi19750+177527+77527+718493(Top 65%)7382(Top 60%)7382(Top 430%)
Finish26.22 mi1.02 mi19672+787505+227505+2217619(Top 62%)6887(Top 56%)6887(Top 401%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

20944

Females

7971

F40-44

7971

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

20010

Females

7470

F40-44

7470

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

20944

Females

7971

F40-44

7971

15K→20K

9.3 - 12.4 mi

Top 75%
×5story building
+106ft-86ft

Overall

21249

Females

8175

F40-44

8175

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

20895

Females

7978

F40-44

7978

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19906

Females

7481

F40-44

7481

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

19989

Females

7659

F40-44

7659

30K→20M

18.6 - 20.0 mi

Top 71%
×5story building
+64ft-50ft

Overall

20039

Females

7813

F40-44

7813

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

19439

Females

7580

F40-44

7580

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

19813

Females

7879

F40-44

7879

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

18248

Females

7110

F40-44

7110

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

17490

Females

6767

F40-44

6767

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

18046

Females

7150

F40-44

7150

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18493

Females

7382

F40-44

7382

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17619

Females

6887

F40-44

6887

Passing Analysis

Category:
Athletes Passed
1400
Passed By
2823
Net Change
-1423
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18249
5K → 10K60921-861#18249#19110
10K → 15K52695-643#19110#19753
15K → 20K94461-367#19753#20120
20K → Half2456-32#20120#20152
Half → 25K174140+34#20152#20118
25K → 30K236216+20#20118#20098
30K → 20M103104-1#20098#20099
20M → 21M12056+64#20099#20035
21M → 35K5362-9#20035#20044
35K → 23M13336+97#20044#19947
23M → 24M12619+107#19947#19840
24M → 40K9118+73#19840#19767
40K → 25.2M3316+17#19767#19750
25.2M → Finish10123+78#19750#19672
TOTALS14002823-1423
📊

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