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BOSTON MARATHON 2026

Sandra Houseweart

Bib: 18734•F

CA

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 42%
Gender (Female)
#0 / 12578
Top 26%
Age Group (F18-39)
#0 / 5716
Top 45%
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
22:05
3.11 mi
Rank: #9430
Start → 5K
22:05 | 7:07/mi
10K
45:13
6.21 mi
Rank: #10888 (-1458)
5K → 10K
23:08 | 7:27/mi
15K
1:08:38
9.32 mi
Rank: #11646 (-758)
10K → 15K
23:25 | 7:33/mi
20K
1:32:19
12.43 mi
Rank: #11958 (-312)
15K → 20K
23:41 | 7:38/mi
HALF
1:37:28
13.11 mi
Rank: #12033 (-75)
20K → HALF
5:09 | 7:34/mi
25K
1:56:05
15.53 mi
Rank: #12164 (-131)
HALF → 25K
18:37 | 7:41/mi
30K
2:20:31
18.64 mi
Rank: #12196 (-32)
25K → 30K
24:26 | 7:52/mi
20M
2:31:29
20.00 mi
Rank: #12271 (-75)
30K → 20M
10:58 | 8:05/mi
21M
2:39:56
21.00 mi
Rank: #12296 (-25)
20M → 21M
8:27 | 8:27/mi
35K
2:45:45
21.75 mi
Rank: #12300 (-4)
21M → 35K
5:49 | 7:47/mi
23M
2:55:46
23.00 mi
Rank: #12293 (+7)
35K → 23M
10:01 | 8:01/mi
24M
3:03:29
24.00 mi
Rank: #12245 (+48)
23M → 24M
7:43 | 7:43/mi
40K
3:10:08
24.85 mi
Rank: #12162 (+83)
24M → 40K
6:39 | 7:47/mi
25.2M
3:13:08
25.20 mi
Rank: #12154 (+8)
40K → 25.2M
3:00 | 8:42/mi
FINISH
3:20:37
26.22 mi
Rank: #12051 (+103)
25.2M → FINISH
7:29 | 7:21/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:28
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:43:09
Pace7:53 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:5022:057:0722:05
7:07
-
10K
6.21 mi11:34:5845:137:1723:08
7:27
+0:20
15K
9.32 mi11:58:231:08:387:2223:25
7:33
+0:06
20K
12.43 mi12:22:041:32:197:2623:41
7:38
+0:05
HALF
13.11 mi12:27:131:37:287:275:09
7:34
-0:04
25K
15.53 mi12:45:501:56:057:2918:37
7:41
+0:07
30K
18.64 mi13:10:162:20:317:3324:26
7:52
+0:11
20M
20.00 mi13:21:142:31:297:3510:58
8:05
+0:13
21M
21.00 mi13:29:412:39:567:378:27
8:27
+0:22
35K
21.75 mi13:35:302:45:457:385:49
7:47
-0:40
23M
23.00 mi13:45:312:55:467:3910:01
8:01
+0:14
24M
24.00 mi13:53:143:03:297:397:43
7:43
-0:18
40K
24.85 mi13:59:533:10:087:396:39
7:47
+0:04
25.2M
25.20 mi14:02:533:13:087:403:00
8:42
+0:55
FINISH
26.22 mi14:10:223:20:377:407:29
7:21
-1:21

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

7:07 /mi

Average Pace

7:39 /mi

Slowest Pace

8:42 /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

52:42

26% of race

Time at Steady Pace

1:55:29

58% of race

Time at Slower Pace

32:26

16% of race

Average Pace: 7:39 /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 mi11:11:5022:057:0722:05
7:07
#9430
10K
6.21 mi11:34:5845:137:1723:08
7:27
#10888
15K
9.32 mi11:58:231:08:387:2223:25
7:33
#11646
20K
12.43 mi12:22:041:32:197:2623:41
7:38
#11958
HALF
13.11 mi12:27:131:37:287:275:09
7:34
#12033
25K
15.53 mi12:45:501:56:057:2918:37
7:41
#12164
30K
18.64 mi13:10:162:20:317:3324:26
7:52
#12196
20M
20.00 mi13:21:142:31:297:3510:58
8:05
#12271
21M
21.00 mi13:29:412:39:567:378:27
8:27
#12296
35K
21.75 mi13:35:302:45:457:385:49
7:47
#12300
23M
23.00 mi13:45:312:55:467:3910:01
8:01
#12293
24M
24.00 mi13:53:143:03:297:397:43
7:43
#12245
40K
24.85 mi13:59:533:10:087:396:39
7:47
#12162
25.2M
25.20 mi14:02:533:13:087:403:00
8:42
#12154
FINISH
26.22 mi14:10:223:20:377:407:29
7:21
#12051
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 mi94301614161413148(Top 45%)3665(Top 29%)3665(Top 64%)
10K6.21 mi3.10 mi10888-14582344-7302344-73012477(Top 43%)3243(Top 26%)3243(Top 57%)
15K9.32 mi3.11 mi11646-7582779-4352779-43513148(Top 45%)3665(Top 29%)3665(Top 64%)
20K12.43 mi3.11 mi11958-3122970-1912970-19113047(Top 45%)3689(Top 29%)3689(Top 65%)
HALF13.11 mi0.68 mi12033-753007-373007-3713479(Top 46%)3842(Top 31%)3842(Top 67%)
25K15.53 mi2.42 mi12164-1313120-1133120-11312869(Top 44%)3651(Top 29%)3651(Top 64%)
30K18.64 mi3.11 mi12196-323199-793199-7912460(Top 43%)3556(Top 28%)3556(Top 62%)
20M20.00 mi1.36 mi12271-753257-583257-5813310(Top 46%)4106(Top 33%)4106(Top 72%)
21M21.00 mi1.00 mi12296-253296-393296-3912819(Top 44%)3949(Top 31%)3949(Top 69%)
35K21.75 mi0.75 mi12300-43311-153311-1512887(Top 44%)4009(Top 32%)4009(Top 70%)
23M23.00 mi1.25 mi12293+73343-323343-3212491(Top 43%)3858(Top 31%)3858(Top 67%)
24M24.00 mi1.00 mi12245+483345-23345-211695(Top 40%)3541(Top 28%)3541(Top 62%)
40K24.85 mi0.85 mi12162+833329+163329+1610899(Top 38%)3212(Top 26%)3212(Top 56%)
25.2M25.20 mi0.35 mi12154+83325+43325+412912(Top 44%)4300(Top 34%)4300(Top 75%)
FINISH26.22 mi1.02 mi12051+1033294+313294+3110246(Top 35%)2968(Top 24%)2968(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21
+97ft-345ft

Overall

13148

Females

3665

F18-39

3665

5K→10K

3.1 - 6.2 mi

Top 43%
×5
+79ft-138ft

Overall

12477

Females

3243

F18-39

3243

10K→15K

6.2 - 9.3 mi

Top 45%
×3
+67ft-78ft

Overall

13148

Females

3665

F18-39

3665

15K→20K

9.3 - 12.4 mi

Top 45%
×5
+106ft-86ft

Overall

13047

Females

3689

F18-39

3689

20K→HALF

12.4 - 13.1 mi

Top 46%
×2
+19ft-37ft

Overall

13479

Females

3842

F18-39

3842

HALF→25K

13.1 - 15.5 mi

Top 44%
×4
+66ft-88ft

Overall

12869

Females

3651

F18-39

3651

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12460

Females

3556

F18-39

3556

30K→20M

18.6 - 20.0 mi

Top 46%
×5
+64ft-50ft

Overall

13310

Females

4106

F18-39

4106

20M→21M

20.0 - 21.0 mi

Top 44%
×8
+106ft-24ft

Overall

12819

Females

3949

F18-39

3949

21M→35K

21.0 - 21.8 mi

Top 44%
×7
+17ft-86ft

Overall

12887

Females

4009

F18-39

4009

35K→23M

21.8 - 23.0 mi

Top 43%
×5
+23ft-63ft

Overall

12491

Females

3858

F18-39

3858

23M→24M

23.0 - 24.0 mi

Top 40%
×6
+12ft-82ft

Overall

11695

Females

3541

F18-39

3541

24M→40K

24.0 - 24.9 mi

Top 38%
×1
+6ft-20ft

Overall

10899

Females

3212

F18-39

3212

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1
+13ft-16ft

Overall

12912

Females

4300

F18-39

4300

25.2M→FINISH

25.2 - 26.2 mi

Top 35%
×2
+22ft-21ft

Overall

10246

Females

2968

F18-39

2968

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1085
Passed By
1617
Net Change
-2621
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9430
5K → 10K9200-1458#9430#10888
10K → 15K40200-758#10888#11646
15K → 20K77200-312#11646#11958
20K → HALF782-75#11958#12033
HALF → 25K90200-131#12033#12164
25K → 30K182200-32#12164#12196
30K → 20M65140-75#12196#12271
20M → 21M78103-25#12271#12296
21M → 35K4650-4#12296#12300
35K → 23M108101+7#12300#12293
23M → 24M10456+48#12293#12245
24M → 40K11330+83#12245#12162
40K → 25.2M3729+8#12162#12154
25.2M → FINISH12926+103#12154#12051
TOTALS10851617-2621
📊

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