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BOSTON MARATHON 2025

Thielen Mascarenhas Pilotto

Bib: 18244•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:03
Rank: #21055
Start → 5K
27:03 | 8:42/mi
10K· 6.21 mi
54:24
Rank: #21199 (-144)
5K → 10K
27:21 | 8:48/mi
15K· 9.32 mi
1:22:37
Rank: #21617 (-418)
10K → 15K
28:13 | 9:05/mi
20K· 12.43 mi
1:49:44
Rank: #21066 (+551)
15K → 20K
27:07 | 8:44/mi
Half· 13.11 mi
1:55:28
Rank: #20960 (+106)
20K → Half
5:44 | 8:24/mi
25K· 15.53 mi
2:16:12
Rank: #20449 (+511)
Half → 25K
20:44 | 8:33/mi
30K· 18.64 mi
2:45:04
Rank: #20159 (+290)
25K → 30K
28:52 | 9:17/mi
20M
2:57:33
Rank: #19979 (+180)
30K → 20M
12:29 | 9:11/mi
21M
3:07:36
Rank: #19873 (+106)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
3:14:51
Rank: #19927 (-54)
21M → 35K
7:15 | 9:41/mi
23M
3:26:10
Rank: #19717 (+210)
35K → 23M
11:19 | 9:02/mi
24M
3:35:14
Rank: #19638 (+79)
23M → 24M
9:04 | 9:04/mi
40K· 24.85 mi
3:43:00
Rank: #19522 (+116)
24M → 40K
7:46 | 9:05/mi
25.2M
3:46:29
Rank: #19486 (+36)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:55:16
Rank: #19394 (+92)
25.2M → Finish
8:47 | 8:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:28
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time1:59:48
Pace9:08 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4527:038:4227:03
8:42
-
10K
6.21 mi11:45:0654:248:4527:21
8:48
+0:06
15K
9.32 mi12:13:191:22:378:5228:13
9:05
+0:17
20K
12.43 mi12:40:261:49:448:5027:07
8:44
-0:21
Half
13.11 mi12:46:101:55:288:485:44
8:24
-0:20
25K
15.53 mi13:06:542:16:128:4620:44
8:33
+0:09
30K
18.64 mi13:35:462:45:048:5128:52
9:17
+0:44
20M
20.00 mi13:48:152:57:338:5312:29
9:11
-0:06
21M
21.00 mi13:58:183:07:368:5610:03
10:03
+0:52
35K
21.75 mi14:05:333:14:518:587:15
9:41
-0:22
23M
23.00 mi14:16:523:26:108:5811:19
9:02
-0:39
24M
24.00 mi14:25:563:35:148:589:04
9:04
+0:02
40K
24.85 mi14:33:423:43:008:587:46
9:05
+0:01
25.2M
25.20 mi14:37:113:46:298:593:29
10:06
+1:01
Finish
26.22 mi14:45:583:55:168:598:47
8:37
-1:29

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

8:24 /mi

Average Pace

8:59 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:46

50% of race

Time at Steady Pace

1:37:43

42% of race

Time at Slower Pace

20:47

9% of race

Average Pace: 8:58 /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 mi11:17:4527:038:4227:03
8:42
#21055
10K
6.21 mi11:45:0654:248:4527:21
8:48
#21199
15K
9.32 mi12:13:191:22:378:5228:13
9:05
#21617
20K
12.43 mi12:40:261:49:448:5027:07
8:44
#21066
Half
13.11 mi12:46:101:55:288:485:44
8:24
#20960
25K
15.53 mi13:06:542:16:128:4620:44
8:33
#20449
30K
18.64 mi13:35:462:45:048:5128:52
9:17
#20159
20M
20.00 mi13:48:152:57:338:5312:29
9:11
#19979
21M
21.00 mi13:58:183:07:368:5610:03
10:03
#19873
35K
21.75 mi14:05:333:14:518:587:15
9:41
#19927
23M
23.00 mi14:16:523:26:108:5811:19
9:02
#19717
24M
24.00 mi14:25:563:35:148:589:04
9:04
#19638
40K
24.85 mi14:33:423:43:008:587:46
9:05
#19522
25.2M
25.20 mi14:37:113:46:298:593:29
10:06
#19486
Finish
26.22 mi14:45:583:55:168:598:47
8:37
#19394
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi210558112811222383(Top 79%)8767(Top 72%)8767(Top 160%)
10K6.21 mi3.10 mi21199-1448162-508162-5021420(Top 75%)8260(Top 68%)8260(Top 151%)
15K9.32 mi3.11 mi21617-4188374-2128374-21222383(Top 79%)8767(Top 72%)8767(Top 160%)
20K12.43 mi3.11 mi21066+5518067+3078067+30719567(Top 69%)7245(Top 59%)7245(Top 132%)
Half13.11 mi0.68 mi20960+1068011+568011+5618664(Top 66%)6723(Top 55%)6723(Top 123%)
25K15.53 mi2.42 mi20449+5117742+2697742+26917509(Top 62%)6146(Top 50%)6146(Top 112%)
30K18.64 mi3.11 mi20159+2907615+1277615+12719079(Top 67%)7161(Top 59%)7161(Top 131%)
20M20.00 mi1.36 mi19979+1807534+817534+8117757(Top 63%)6569(Top 54%)6569(Top 120%)
21M21.00 mi1.00 mi19873+1067497+377497+3718522(Top 65%)7074(Top 58%)7074(Top 129%)
35K21.75 mi0.75 mi19927-547545-487545-4820986(Top 74%)8490(Top 69%)8490(Top 155%)
23M23.00 mi1.25 mi19717+2107462+837462+8316514(Top 58%)6185(Top 51%)6185(Top 113%)
24M24.00 mi1.00 mi19638+797447+157447+1517729(Top 62%)6895(Top 56%)6895(Top 126%)
40K24.85 mi0.85 mi19522+1167389+587389+5816810(Top 59%)6490(Top 53%)6490(Top 119%)
25.2M25.20 mi0.35 mi19486+367377+127377+1217537(Top 62%)6891(Top 56%)6891(Top 126%)
Finish26.22 mi1.02 mi19394+927347+307347+3017010(Top 60%)6578(Top 54%)6578(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

22383

Females

8767

F18-39

8767

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21420

Females

8260

F18-39

8260

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

22383

Females

8767

F18-39

8767

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19567

Females

7245

F18-39

7245

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

18664

Females

6723

F18-39

6723

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

17509

Females

6146

F18-39

6146

25K→30K

15.5 - 18.6 mi

Top 67%
×9stories
+181ft-148ft

Overall

19079

Females

7161

F18-39

7161

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17757

Females

6569

F18-39

6569

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

18522

Females

7074

F18-39

7074

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

20986

Females

8490

F18-39

8490

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16514

Females

6185

F18-39

6185

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17729

Females

6895

F18-39

6895

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16810

Females

6490

F18-39

6490

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

17537

Females

6891

F18-39

6891

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

17010

Females

6578

F18-39

6578

Passing Analysis

Category:
Athletes Passed
2866
Passed By
1205
Net Change
+1661
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21055
5K → 10K213357-144#21055#21199
10K → 15K94512-418#21199#21617
15K → 20K56716+551#21617#21066
20K → Half1115+106#21066#20960
Half → 25K5176+511#20960#20449
25K → 30K37989+290#20449#20159
30K → 20M20121+180#20159#19979
20M → 21M14539+106#19979#19873
21M → 35K3892-54#19873#19927
35K → 23M2166+210#19927#19717
23M → 24M10425+79#19717#19638
24M → 40K1259+116#19638#19522
40K → 25.2M4711+36#19522#19486
25.2M → Finish10917+92#19486#19394
TOTALS28661205+1661
📊

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