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BOSTON MARATHON 2026

Shannon Carvalho

Bib: 21358•F

TN

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Masters (Masters Women)
#0 / 6862
Age Group (F45-49)
#0 / 1786
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
25:35
3.11 mi
Rank: #18452
Start → 5K
25:35 | 8:15/mi
10K
50:54
6.21 mi
Rank: #18364 (+88)
5K → 10K
25:19 | 8:09/mi
15K
1:17:05
9.32 mi
Rank: #18828 (-464)
10K → 15K
26:11 | 8:26/mi
20K
1:43:55
12.43 mi
Rank: #19152 (-324)
15K → 20K
26:50 | 8:39/mi
HALF
1:49:46
13.11 mi
Rank: #19230 (-78)
20K → HALF
5:51 | 8:35/mi
25K
2:11:19
15.53 mi
Rank: #19468 (-238)
HALF → 25K
21:33 | 8:54/mi
30K
2:39:57
18.64 mi
Rank: #19679 (-211)
25K → 30K
28:38 | 9:13/mi
20M
2:52:41
20.00 mi
Rank: #19756 (-77)
30K → 20M
12:44 | 9:23/mi
21M
3:02:57
21.00 mi
Rank: #19885 (-129)
20M → 21M
10:16 | 10:16/mi
35K
3:09:46
21.75 mi
Rank: #19907 (-22)
21M → 35K
6:49 | 9:07/mi
23M
3:22:02
23.00 mi
Rank: #20089 (-182)
35K → 23M
12:16 | 9:49/mi
24M
3:31:28
24.00 mi
Rank: #20119 (-30)
23M → 24M
9:26 | 9:26/mi
40K
3:39:56
24.85 mi
Rank: #20193 (-74)
24M → 40K
8:28 | 9:55/mi
25.2M
3:43:36
25.20 mi
Rank: #20233 (-40)
40K → 25.2M
3:40 | 10:38/mi
FINISH
3:53:51
26.22 mi
Rank: #20434 (-201)
25.2M → FINISH
10:15 | 10:04/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:49:46
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time2:04:05
Pace9:28 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:5525:358:1525:35
8:15
-
10K
6.21 mi11:52:1450:548:1225:19
8:09
-0:06
15K
9.32 mi12:18:251:17:058:1726:11
8:26
+0:17
20K
12.43 mi12:45:151:43:558:2226:50
8:39
+0:13
HALF
13.11 mi12:51:061:49:468:235:51
8:35
-0:04
25K
15.53 mi13:12:392:11:198:2821:33
8:54
+0:19
30K
18.64 mi13:41:172:39:578:3528:38
9:13
+0:19
20M
20.00 mi13:54:012:52:418:3912:44
9:23
+0:10
21M
21.00 mi14:04:173:02:578:4310:16
10:16
+0:53
35K
21.75 mi14:11:063:09:468:446:49
9:07
-1:09
23M
23.00 mi14:23:223:22:028:4812:16
9:49
+0:42
24M
24.00 mi14:32:483:31:288:499:26
9:26
-0:23
40K
24.85 mi14:41:163:39:568:518:28
9:55
+0:29
25.2M
25.20 mi14:44:563:43:368:533:40
10:38
+0:43
FINISH
26.22 mi14:55:113:53:518:5610:15
10:04
-0:34

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

8:09 /mi

Average Pace

8:56 /mi

Slowest Pace

10:38 /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

1:49:46

47% of race

Time at Steady Pace

1:19:10

34% of race

Time at Slower Pace

44:55

19% of race

Average Pace: 8:55 /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 mi11:26:5525:358:1525:35
8:15
#18452
10K
6.21 mi11:52:1450:548:1225:19
8:09
#18364
15K
9.32 mi12:18:251:17:058:1726:11
8:26
#18828
20K
12.43 mi12:45:151:43:558:2226:50
8:39
#19152
HALF
13.11 mi12:51:061:49:468:235:51
8:35
#19230
25K
15.53 mi13:12:392:11:198:2821:33
8:54
#19468
30K
18.64 mi13:41:172:39:578:3528:38
9:13
#19679
20M
20.00 mi13:54:012:52:418:3912:44
9:23
#19756
21M
21.00 mi14:04:173:02:578:4310:16
10:16
#19885
35K
21.75 mi14:11:063:09:468:446:49
9:07
#19907
23M
23.00 mi14:23:223:22:028:4812:16
9:49
#20089
24M
24.00 mi14:32:483:31:288:499:26
9:26
#20119
40K
24.85 mi14:41:163:39:568:518:28
9:55
#20193
25.2M
25.20 mi14:44:563:43:368:533:40
10:38
#20233
FINISH
26.22 mi14:55:113:53:518:5610:15
10:04
#20434
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi184526773677319729(Top 68%)7437(Top 59%)7437(Top 416%)
10K6.21 mi3.10 mi18364+886704+696704+6918289(Top 63%)6633(Top 53%)6633(Top 371%)
15K9.32 mi3.11 mi18828-4646952-2486952-24819729(Top 68%)7437(Top 59%)7437(Top 416%)
20K12.43 mi3.11 mi19152-3247143-1917143-19120094(Top 69%)7685(Top 61%)7685(Top 430%)
HALF13.11 mi0.68 mi19230-787188-457188-4520766(Top 72%)7999(Top 64%)7999(Top 448%)
25K15.53 mi2.42 mi19468-2387332-1447332-14420653(Top 71%)7992(Top 64%)7992(Top 447%)
30K18.64 mi3.11 mi19679-2117482-1507482-15020590(Top 71%)8048(Top 64%)8048(Top 451%)
20M20.00 mi1.36 mi19756-777549-677549-6720583(Top 71%)8129(Top 65%)8129(Top 455%)
21M21.00 mi1.00 mi19885-1297625-767625-7621284(Top 73%)8519(Top 68%)8519(Top 477%)
35K21.75 mi0.75 mi19907-227643-187643-1820476(Top 71%)8182(Top 65%)8182(Top 458%)
23M23.00 mi1.25 mi20089-1827754-1117754-11121580(Top 74%)8778(Top 70%)8778(Top 491%)
24M24.00 mi1.00 mi20119-307787-337787-3321129(Top 73%)8599(Top 68%)8599(Top 481%)
40K24.85 mi0.85 mi20193-747847-607847-6021669(Top 75%)8930(Top 71%)8930(Top 500%)
25.2M25.20 mi0.35 mi20233-407869-227869-2221476(Top 74%)8808(Top 70%)8808(Top 493%)
FINISH26.22 mi1.02 mi20434-2017980-1117980-11123996(Top 83%)10115(Top 80%)10115(Top 566%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21
+97ft-345ft

Overall

19729

Females

7437

F45-49

7437

5K→10K

3.1 - 6.2 mi

Top 63%
×5
+79ft-138ft

Overall

18289

Females

6633

F45-49

6633

10K→15K

6.2 - 9.3 mi

Top 68%
×3
+67ft-78ft

Overall

19729

Females

7437

F45-49

7437

15K→20K

9.3 - 12.4 mi

Top 69%
×5
+106ft-86ft

Overall

20094

Females

7685

F45-49

7685

20K→HALF

12.4 - 13.1 mi

Top 72%
×2
+19ft-37ft

Overall

20766

Females

7999

F45-49

7999

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20653

Females

7992

F45-49

7992

25K→30K

15.5 - 18.6 mi

Top 71%
×9
+181ft-148ft

Overall

20590

Females

8048

F45-49

8048

30K→20M

18.6 - 20.0 mi

Top 71%
×5
+64ft-50ft

Overall

20583

Females

8129

F45-49

8129

20M→21M

20.0 - 21.0 mi

Top 73%
×8
+106ft-24ft

Overall

21284

Females

8519

F45-49

8519

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20476

Females

8182

F45-49

8182

35K→23M

21.8 - 23.0 mi

Top 74%
×5
+23ft-63ft

Overall

21580

Females

8778

F45-49

8778

23M→24M

23.0 - 24.0 mi

Top 73%
×6
+12ft-82ft

Overall

21129

Females

8599

F45-49

8599

24M→40K

24.0 - 24.9 mi

Top 75%
×1
+6ft-20ft

Overall

21669

Females

8930

F45-49

8930

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1
+13ft-16ft

Overall

21476

Females

8808

F45-49

8808

25.2M→FINISH

25.2 - 26.2 mi

Top 83%
×2
+22ft-21ft

Overall

23996

Females

10115

F45-49

10115

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
959
Passed By
2941
Net Change
-1982
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18452
5K → 10K323235+88#18452#18364
10K → 15K56520-464#18364#18828
15K → 20K72396-324#18828#19152
20K → HALF1189-78#19152#19230
HALF → 25K66304-238#19230#19468
25K → 30K117328-211#19468#19679
30K → 20M70147-77#19679#19756
20M → 21M53182-129#19756#19885
21M → 35K3961-22#19885#19907
35K → 23M35217-182#19907#20089
23M → 24M5686-30#20089#20119
24M → 40K36110-74#20119#20193
40K → 25.2M1353-40#20193#20233
25.2M → FINISH12213-201#20233#20434
TOTALS9592941-1982
📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing