All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Silvia Vieira

Bib: 20508•F

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Female)
#0 / 12578
Top 45%
Masters (Masters Women)
#0 / 6862
Top 31%
Age Group (F40-44)
#0 / 1737
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
24:39
3.11 mi
Rank: #16453
Start → 5K
24:39 | 7:57/mi
10K
49:08
6.21 mi
Rank: #16365 (+88)
5K → 10K
24:29 | 7:53/mi
15K
1:13:58
9.32 mi
Rank: #16586 (-221)
10K → 15K
24:50 | 8:00/mi
20K
1:39:09
12.43 mi
Rank: #16638 (-52)
15K → 20K
25:11 | 8:07/mi
HALF
1:44:36
13.11 mi
Rank: #16660 (-22)
20K → HALF
5:27 | 8:00/mi
25K
2:04:16
15.53 mi
Rank: #16544 (+116)
HALF → 25K
19:40 | 8:07/mi
30K
2:30:16
18.64 mi
Rank: #16458 (+86)
25K → 30K
26:00 | 8:23/mi
20M
2:41:40
20.00 mi
Rank: #16359 (+99)
30K → 20M
11:24 | 8:24/mi
21M
2:50:26
21.00 mi
Rank: #16214 (+145)
20M → 21M
8:46 | 8:46/mi
35K
2:56:38
21.75 mi
Rank: #16208 (+6)
21M → 35K
6:12 | 8:18/mi
23M
3:07:15
23.00 mi
Rank: #16135 (+73)
35K → 23M
10:37 | 8:30/mi
24M
3:15:49
24.00 mi
Rank: #16173 (-38)
23M → 24M
8:34 | 8:34/mi
40K
3:23:18
24.85 mi
Rank: #16197 (-24)
24M → 40K
7:29 | 8:46/mi
25.2M
3:26:20
25.20 mi
Rank: #16149 (+48)
40K → 25.2M
3:02 | 8:48/mi
FINISH
3:34:52
26.22 mi
Rank: #16193 (-44)
25.2M → FINISH
8:32 | 8:23/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:36
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:50:16
Pace8:25 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:3124:397:5724:39
7:57
-
10K
6.21 mi11:36:0049:087:5524:29
7:53
-0:04
15K
9.32 mi12:00:501:13:587:5724:50
8:00
+0:07
20K
12.43 mi12:26:011:39:097:5925:11
8:07
+0:07
HALF
13.11 mi12:31:281:44:367:595:27
8:00
-0:07
25K
15.53 mi12:51:082:04:168:0019:40
8:07
+0:07
30K
18.64 mi13:17:082:30:168:0426:00
8:23
+0:16
20M
20.00 mi13:28:322:41:408:0611:24
8:24
+0:01
21M
21.00 mi13:37:182:50:268:078:46
8:46
+0:22
35K
21.75 mi13:43:302:56:388:086:12
8:18
-0:28
23M
23.00 mi13:54:073:07:158:0910:37
8:30
+0:12
24M
24.00 mi14:02:413:15:498:108:34
8:34
+0:04
40K
24.85 mi14:10:103:23:188:117:29
8:46
+0:12
25.2M
25.20 mi14:13:123:26:208:123:02
8:48
+0:02
FINISH
26.22 mi14:21:443:34:528:138:32
8:23
-0:25

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

7:53 /mi

Average Pace

8:12 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

3:15:35

91% of race

Time at Steady Pace

19:17

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:12 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:11:3124:397:5724:39
7:57
#16453
10K
6.21 mi11:36:0049:087:5524:29
7:53
#16365
15K
9.32 mi12:00:501:13:587:5724:50
8:00
#16586
20K
12.43 mi12:26:011:39:097:5925:11
8:07
#16638
HALF
13.11 mi12:31:281:44:367:595:27
8:00
#16660
25K
15.53 mi12:51:082:04:168:0019:40
8:07
#16544
30K
18.64 mi13:17:082:30:168:0426:00
8:23
#16458
20M
20.00 mi13:28:322:41:408:0611:24
8:24
#16359
21M
21.00 mi13:37:182:50:268:078:46
8:46
#16214
35K
21.75 mi13:43:302:56:388:086:12
8:18
#16208
23M
23.00 mi13:54:073:07:158:0910:37
8:30
#16135
24M
24.00 mi14:02:413:15:498:108:34
8:34
#16173
40K
24.85 mi14:10:103:23:188:117:29
8:46
#16197
25.2M
25.20 mi14:13:123:26:208:123:02
8:48
#16149
FINISH
26.22 mi14:21:443:34:528:138:32
8:23
#16193
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi164535594559416975(Top 58%)5903(Top 47%)5903(Top 340%)
10K6.21 mi3.10 mi16365+885546+485546+4816311(Top 56%)5504(Top 44%)5504(Top 317%)
15K9.32 mi3.11 mi16586-2215681-1355681-13516975(Top 58%)5903(Top 47%)5903(Top 340%)
20K12.43 mi3.11 mi16638-525717-365717-3616889(Top 58%)5875(Top 47%)5875(Top 338%)
HALF13.11 mi0.68 mi16660-225736-195736-1917114(Top 59%)5973(Top 47%)5973(Top 344%)
25K15.53 mi2.42 mi16544+1165671+655671+6516215(Top 56%)5547(Top 44%)5547(Top 319%)
30K18.64 mi3.11 mi16458+865671567116081(Top 55%)5564(Top 44%)5564(Top 320%)
20M20.00 mi1.36 mi16359+995627+445627+4415548(Top 54%)5390(Top 43%)5390(Top 310%)
21M21.00 mi1.00 mi16214+1455572+555572+5514814(Top 51%)5046(Top 40%)5046(Top 291%)
35K21.75 mi0.75 mi16208+65584-125584-1216379(Top 56%)5964(Top 47%)5964(Top 343%)
23M23.00 mi1.25 mi16135+735560+245560+2415633(Top 54%)5629(Top 45%)5629(Top 324%)
24M24.00 mi1.00 mi16173-385594-345594-3417270(Top 60%)6608(Top 53%)6608(Top 380%)
40K24.85 mi0.85 mi16197-245627-335627-3317146(Top 59%)6588(Top 52%)6588(Top 379%)
25.2M25.20 mi0.35 mi16149+485615+125615+1213608(Top 47%)4703(Top 37%)4703(Top 271%)
FINISH26.22 mi1.02 mi16193-445655-405655-4017475(Top 60%)6761(Top 54%)6761(Top 389%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21
+97ft-345ft

Overall

16975

Females

5903

F40-44

5903

5K→10K

3.1 - 6.2 mi

Top 56%
×5
+79ft-138ft

Overall

16311

Females

5504

F40-44

5504

10K→15K

6.2 - 9.3 mi

Top 58%
×3
+67ft-78ft

Overall

16975

Females

5903

F40-44

5903

15K→20K

9.3 - 12.4 mi

Top 58%
×5
+106ft-86ft

Overall

16889

Females

5875

F40-44

5875

20K→HALF

12.4 - 13.1 mi

Top 59%
×2
+19ft-37ft

Overall

17114

Females

5973

F40-44

5973

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16215

Females

5547

F40-44

5547

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

16081

Females

5564

F40-44

5564

30K→20M

18.6 - 20.0 mi

Top 54%
×5
+64ft-50ft

Overall

15548

Females

5390

F40-44

5390

20M→21M

20.0 - 21.0 mi

Top 51%
×8
+106ft-24ft

Overall

14814

Females

5046

F40-44

5046

21M→35K

21.0 - 21.8 mi

Top 56%
×7
+17ft-86ft

Overall

16379

Females

5964

F40-44

5964

35K→23M

21.8 - 23.0 mi

Top 54%
×5
+23ft-63ft

Overall

15633

Females

5629

F40-44

5629

23M→24M

23.0 - 24.0 mi

Top 60%
×6
+12ft-82ft

Overall

17270

Females

6608

F40-44

6608

24M→40K

24.0 - 24.9 mi

Top 59%
×1
+6ft-20ft

Overall

17146

Females

6588

F40-44

6588

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1
+13ft-16ft

Overall

13608

Females

4703

F40-44

4703

25.2M→FINISH

25.2 - 26.2 mi

Top 60%
×2
+22ft-21ft

Overall

17475

Females

6761

F40-44

6761

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1753*
Passed By
1330
Net Change
+260
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16453
5K → 10K288*200+88#16453#16365
10K → 15K131200-221#16365#16586
15K → 20K159200-52#16586#16638
20K → HALF2244-22#16638#16660
HALF → 25K19478+116#16660#16544
25K → 30K235*149+86#16544#16458
30K → 20M14445+99#16458#16359
20M → 21M16924+145#16359#16214
21M → 35K6256+6#16214#16208
35K → 23M13259+73#16208#16135
23M → 24M5593-38#16135#16173
24M → 40K5781-24#16173#16197
40K → 25.2M5911+48#16197#16149
25.2M → FINISH4690-44#16149#16193
TOTALS1753*1330+260

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

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing