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BOSTON MARATHON 2026

Leah Vizena

Bib: 17104•F

MI

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 50%
Gender (Female)
#0 / 12578
Top 37%
Age Group (F18-39)
#0 / 5716
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
24:20
3.11 mi
Rank: #15683
Start → 5K
24:20 | 7:50/mi
10K
48:37
6.21 mi
Rank: #15712 (-29)
5K → 10K
24:17 | 7:49/mi
15K
1:12:47
9.32 mi
Rank: #15496 (+216)
10K → 15K
24:10 | 7:47/mi
20K
1:37:18
12.43 mi
Rank: #15412 (+84)
15K → 20K
24:31 | 7:54/mi
HALF
1:42:39
13.11 mi
Rank: #15422 (-10)
20K → HALF
5:21 | 7:51/mi
25K
2:01:48
15.53 mi
Rank: #15263 (+159)
HALF → 25K
19:09 | 7:54/mi
30K
2:27:06
18.64 mi
Rank: #15114 (+149)
25K → 30K
25:18 | 8:09/mi
20M
2:38:09
20.00 mi
Rank: #15001 (+113)
30K → 20M
11:03 | 8:09/mi
21M
2:46:43
21.00 mi
Rank: #14877 (+124)
20M → 21M
8:34 | 8:34/mi
35K
2:52:42
21.75 mi
Rank: #14839 (+38)
21M → 35K
5:59 | 8:00/mi
23M
3:02:43
23.00 mi
Rank: #14678 (+161)
35K → 23M
10:01 | 8:01/mi
24M
3:10:35
24.00 mi
Rank: #14575 (+103)
23M → 24M
7:52 | 7:52/mi
40K
3:17:21
24.85 mi
Rank: #14471 (+104)
24M → 40K
6:46 | 7:55/mi
25.2M
3:20:19
25.20 mi
Rank: #14430 (+41)
40K → 25.2M
2:58 | 8:37/mi
FINISH
3:28:14
26.22 mi
Rank: #14396 (+34)
25.2M → FINISH
7:55 | 7:47/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:39
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:45:35
Pace8:04 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:05:3724:207:5024:20
7:50
-
10K
6.21 mi11:29:5448:377:5024:17
7:49
-0:01
15K
9.32 mi11:54:041:12:477:4924:10
7:47
-0:02
20K
12.43 mi12:18:351:37:187:5024:31
7:54
+0:07
HALF
13.11 mi12:23:561:42:397:505:21
7:51
-0:03
25K
15.53 mi12:43:052:01:487:5119:09
7:54
+0:03
30K
18.64 mi13:08:232:27:067:5425:18
8:09
+0:15
20M
20.00 mi13:19:262:38:097:5511:03
8:09
0:00
21M
21.00 mi13:28:002:46:437:578:34
8:34
+0:25
35K
21.75 mi13:33:592:52:427:575:59
8:00
-0:34
23M
23.00 mi13:44:003:02:437:5710:01
8:01
+0:01
24M
24.00 mi13:51:523:10:357:577:52
7:52
-0:09
40K
24.85 mi13:58:383:17:217:576:46
7:55
+0:03
25.2M
25.20 mi14:01:363:20:197:572:58
8:37
+0:42
FINISH
26.22 mi14:09:313:28:147:577:55
7:47
-0:50

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

7:47 /mi

Average Pace

7:57 /mi

Slowest Pace

8:37 /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

3:16:42

94% of race

Time at Steady Pace

11:32

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:57 /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 mi11:05:3724:207:5024:20
7:50
#15683
10K
6.21 mi11:29:5448:377:5024:17
7:49
#15712
15K
9.32 mi11:54:041:12:477:4924:10
7:47
#15496
20K
12.43 mi12:18:351:37:187:5024:31
7:54
#15412
HALF
13.11 mi12:23:561:42:397:505:21
7:51
#15422
25K
15.53 mi12:43:052:01:487:5119:09
7:54
#15263
30K
18.64 mi13:08:232:27:067:5425:18
8:09
#15114
20M
20.00 mi13:19:262:38:097:5511:03
8:09
#15001
21M
21.00 mi13:28:002:46:437:578:34
8:34
#14877
35K
21.75 mi13:33:592:52:427:575:59
8:00
#14839
23M
23.00 mi13:44:003:02:437:5710:01
8:01
#14678
24M
24.00 mi13:51:523:10:357:577:52
7:52
#14575
40K
24.85 mi13:58:383:17:217:576:46
7:55
#14471
25.2M
25.20 mi14:01:363:20:197:572:58
8:37
#14430
FINISH
26.22 mi14:09:313:28:147:577:55
7:47
#14396
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi156835107510715175(Top 52%)4855(Top 39%)4855(Top 85%)
10K6.21 mi3.10 mi15712-295149-425149-4215786(Top 54%)5184(Top 41%)5184(Top 91%)
15K9.32 mi3.11 mi15496+2165043+1065043+10615175(Top 52%)4855(Top 39%)4855(Top 85%)
20K12.43 mi3.11 mi15412+844992+514992+5115245(Top 53%)4940(Top 39%)4940(Top 86%)
HALF13.11 mi0.68 mi15422-105002-105002-1015967(Top 55%)5302(Top 42%)5302(Top 93%)
25K15.53 mi2.42 mi15263+1594918+844918+8414599(Top 50%)4635(Top 37%)4635(Top 81%)
30K18.64 mi3.11 mi15114+1494861+574861+5714535(Top 50%)4697(Top 37%)4697(Top 82%)
20M20.00 mi1.36 mi15001+1134831+304831+3013804(Top 48%)4401(Top 35%)4401(Top 77%)
21M21.00 mi1.00 mi14877+1244788+434788+4313574(Top 47%)4366(Top 35%)4366(Top 76%)
35K21.75 mi0.75 mi14839+384776+124776+1214505(Top 50%)4909(Top 39%)4909(Top 86%)
23M23.00 mi1.25 mi14678+1614707+694707+6912517(Top 43%)3884(Top 31%)3884(Top 68%)
24M24.00 mi1.00 mi14575+1034671+364671+3612845(Top 44%)4179(Top 33%)4179(Top 73%)
40K24.85 mi0.85 mi14471+1044624+474624+4711934(Top 41%)3755(Top 30%)3755(Top 66%)
25.2M25.20 mi0.35 mi14430+414613+114613+1112386(Top 43%)4062(Top 32%)4062(Top 71%)
FINISH26.22 mi1.02 mi14396+344610+34610+313559(Top 47%)4691(Top 37%)4691(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21
+97ft-345ft

Overall

15175

Females

4855

F18-39

4855

5K→10K

3.1 - 6.2 mi

Top 54%
×5
+79ft-138ft

Overall

15786

Females

5184

F18-39

5184

10K→15K

6.2 - 9.3 mi

Top 52%
×3
+67ft-78ft

Overall

15175

Females

4855

F18-39

4855

15K→20K

9.3 - 12.4 mi

Top 53%
×5
+106ft-86ft

Overall

15245

Females

4940

F18-39

4940

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

15967

Females

5302

F18-39

5302

HALF→25K

13.1 - 15.5 mi

Top 50%
×4
+66ft-88ft

Overall

14599

Females

4635

F18-39

4635

25K→30K

15.5 - 18.6 mi

Top 50%
×9
+181ft-148ft

Overall

14535

Females

4697

F18-39

4697

30K→20M

18.6 - 20.0 mi

Top 48%
×5
+64ft-50ft

Overall

13804

Females

4401

F18-39

4401

20M→21M

20.0 - 21.0 mi

Top 47%
×8
+106ft-24ft

Overall

13574

Females

4366

F18-39

4366

21M→35K

21.0 - 21.8 mi

Top 50%
×7
+17ft-86ft

Overall

14505

Females

4909

F18-39

4909

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12517

Females

3884

F18-39

3884

23M→24M

23.0 - 24.0 mi

Top 44%
×6
+12ft-82ft

Overall

12845

Females

4179

F18-39

4179

24M→40K

24.0 - 24.9 mi

Top 41%
×1
+6ft-20ft

Overall

11934

Females

3755

F18-39

3755

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1
+13ft-16ft

Overall

12386

Females

4062

F18-39

4062

25.2M→FINISH

25.2 - 26.2 mi

Top 47%
×2
+22ft-21ft

Overall

13559

Females

4691

F18-39

4691

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2207*
Passed By
891
Net Change
+1287
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15683
5K → 10K200200-29#15683#15712
10K → 15K319*103+216#15712#15496
15K → 20K204*120+84#15496#15412
20K → HALF3242-10#15412#15422
HALF → 25K208*49+159#15422#15263
25K → 30K273*124+149#15263#15114
30K → 20M15441+113#15114#15001
20M → 21M16541+124#15001#14877
21M → 35K6729+38#14877#14839
35K → 23M19029+161#14839#14678
23M → 24M12522+103#14678#14575
24M → 40K12824+104#14575#14471
40K → 25.2M5312+41#14471#14430
25.2M → FINISH8955+34#14430#14396
TOTALS2207*891+1287

* 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

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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