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BOSTON MARATHON 2025

Simone Sampaio

Bib: 21802•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:15
Rank: #19606
Start → 5K
26:15 | 8:27/mi
10K· 6.21 mi
52:36
Rank: #19623 (-17)
5K → 10K
26:21 | 8:29/mi
15K· 9.32 mi
1:19:24
Rank: #19793 (-170)
10K → 15K
26:48 | 8:38/mi
20K· 12.43 mi
1:46:09
Rank: #19547 (+246)
15K → 20K
26:45 | 8:37/mi
Half· 13.11 mi
1:51:57
Rank: #19524 (+23)
20K → Half
5:48 | 8:30/mi
25K· 15.53 mi
2:12:47
Rank: #19193 (+331)
Half → 25K
20:50 | 8:36/mi
30K· 18.64 mi
2:40:14
Rank: #18725 (+468)
25K → 30K
27:27 | 8:50/mi
20M
2:52:45
Rank: #18653 (+72)
30K → 20M
12:31 | 9:13/mi
21M
3:02:25
Rank: #18536 (+117)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
3:09:14
Rank: #18559 (-23)
21M → 35K
6:49 | 9:07/mi
23M
3:21:08
Rank: #18548 (+11)
35K → 23M
11:54 | 9:30/mi
24M
3:30:36
Rank: #18613 (-65)
23M → 24M
9:28 | 9:28/mi
40K· 24.85 mi
3:40:05
Rank: #18916 (-303)
24M → 40K
9:29 | 11:05/mi
25.2M
3:45:59
Rank: #19388 (-472)
40K → 25.2M
5:54 | 17:07/mi
Finish· 26.22 mi
3:59:58
Rank: #20344 (-956)
25.2M → Finish
13:59 | 13:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:57
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time2:08:01
Pace9:46 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3326:158:2726:15
8:27
-
10K
6.21 mi11:47:5452:368:2826:21
8:29
+0:02
15K
9.32 mi12:14:421:19:248:3126:48
8:38
+0:09
20K
12.43 mi12:41:271:46:098:3226:45
8:37
-0:01
Half
13.11 mi12:47:151:51:578:325:48
8:30
-0:07
25K
15.53 mi13:08:052:12:478:3320:50
8:36
+0:06
30K
18.64 mi13:35:322:40:148:3627:27
8:50
+0:14
20M
20.00 mi13:48:032:52:458:3812:31
9:13
+0:23
21M
21.00 mi13:57:433:02:258:419:40
9:40
+0:27
35K
21.75 mi14:04:323:09:148:426:49
9:07
-0:33
23M
23.00 mi14:16:263:21:088:4511:54
9:30
+0:23
24M
24.00 mi14:25:543:30:368:479:28
9:28
-0:02
40K
24.85 mi14:35:233:40:058:519:29
11:05
+1:37
25.2M
25.20 mi14:41:173:45:598:585:54
17:07
+6:02
Finish
26.22 mi14:55:163:59:589:1013:59
13:43
-3:24

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

8:27 /mi

Average Pace

9:10 /mi

Slowest Pace

17:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:30:36

88% of race

Time at Slower Pace

29:22

12% of race

Average Pace: 9:09 /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 mi11:21:3326:158:2726:15
8:27
#19606
10K
6.21 mi11:47:5452:368:2826:21
8:29
#19623
15K
9.32 mi12:14:421:19:248:3126:48
8:38
#19793
20K
12.43 mi12:41:271:46:098:3226:45
8:37
#19547
Half
13.11 mi12:47:151:51:578:325:48
8:30
#19524
25K
15.53 mi13:08:052:12:478:3320:50
8:36
#19193
30K
18.64 mi13:35:322:40:148:3627:27
8:50
#18725
20M
20.00 mi13:48:032:52:458:3812:31
9:13
#18653
21M
21.00 mi13:57:433:02:258:419:40
9:40
#18536
35K
21.75 mi14:04:323:09:148:426:49
9:07
#18559
23M
23.00 mi14:16:263:21:088:4511:54
9:30
#18548
24M
24.00 mi14:25:543:30:368:479:28
9:28
#18613
40K
24.85 mi14:35:233:40:058:519:29
11:05
#18916
25.2M
25.20 mi14:41:173:45:598:585:54
17:07
#19388
Finish
26.22 mi14:55:163:59:589:1013:59
13:43
#20344
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi196067264726420077(Top 71%)7480(Top 61%)7480(Top 574%)
10K6.21 mi3.10 mi19623-177255+97255+919705(Top 69%)7309(Top 60%)7309(Top 561%)
15K9.32 mi3.11 mi19793-1707345-907345-9020077(Top 71%)7480(Top 61%)7480(Top 574%)
20K12.43 mi3.11 mi19547+2467215+1307215+13018920(Top 67%)6872(Top 56%)6872(Top 527%)
Half13.11 mi0.68 mi19524+237205+107205+1019285(Top 68%)7076(Top 58%)7076(Top 543%)
25K15.53 mi2.42 mi19193+3317022+1837022+18317786(Top 63%)6306(Top 52%)6306(Top 484%)
30K18.64 mi3.11 mi18725+4686786+2366786+23616826(Top 59%)5943(Top 49%)5943(Top 456%)
20M20.00 mi1.36 mi18653+726777+96777+917857(Top 63%)6631(Top 54%)6631(Top 509%)
21M21.00 mi1.00 mi18536+1176743+346743+3416910(Top 60%)6220(Top 51%)6220(Top 477%)
35K21.75 mi0.75 mi18559-236771-286771-2818808(Top 66%)7359(Top 60%)7359(Top 565%)
23M23.00 mi1.25 mi18548+116794-236794-2318740(Top 66%)7375(Top 60%)7375(Top 566%)
24M24.00 mi1.00 mi18613-656855-616855-6119524(Top 69%)7838(Top 64%)7838(Top 602%)
40K24.85 mi0.85 mi18916-3037056-2017056-20123344(Top 82%)9866(Top 81%)9866(Top 757%)
25.2M25.20 mi0.35 mi19388-4727326-2707326-27028093(Top 99%)12142(Top 99%)12142(Top 932%)
Finish26.22 mi1.02 mi20344-9567859-5337859-53327950(Top 98%)12066(Top 99%)12066(Top 926%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20077

Females

7480

F50-54

7480

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

19705

Females

7309

F50-54

7309

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20077

Females

7480

F50-54

7480

15K→20K

9.3 - 12.4 mi

Top 67%
×5stories
+106ft-86ft

Overall

18920

Females

6872

F50-54

6872

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

19285

Females

7076

F50-54

7076

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17786

Females

6306

F50-54

6306

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16826

Females

5943

F50-54

5943

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17857

Females

6631

F50-54

6631

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

16910

Females

6220

F50-54

6220

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18808

Females

7359

F50-54

7359

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

18740

Females

7375

F50-54

7375

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19524

Females

7838

F50-54

7838

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

23344

Females

9866

F50-54

9866

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28093

Females

12142

F50-54

12142

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

27950

Females

12066

F50-54

12066

Passing Analysis

Category:
Athletes Passed
2162
Passed By
2900
Net Change
-738
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19606
5K → 10K249266-17#19606#19623
10K → 15K143313-170#19623#19793
15K → 20K32680+246#19793#19547
20K → Half4623+23#19547#19524
Half → 25K36231+331#19524#19193
25K → 30K50335+468#19193#18725
30K → 20M13664+72#18725#18653
20M → 21M16245+117#18653#18536
21M → 35K4871-23#18536#18559
35K → 23M112101+11#18559#18548
23M → 24M47112-65#18548#18613
24M → 40K22325-303#18613#18916
40K → 25.2M4476-472#18916#19388
25.2M → Finish2958-956#19388#20344
TOTALS21622900-738
📊

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