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BOSTON MARATHON 2026

Karen Melliar-Smith

Bib: 23081•F

CO

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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
Top 43%
Age Group (F50-54)
#0 / 1233
Top 40%
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
24:53
3.11 mi
Rank: #17031
Start → 5K
24:53 | 8:01/mi
10K
49:26
6.21 mi
Rank: #16754 (+277)
5K → 10K
24:33 | 7:55/mi
15K
1:14:08
9.32 mi
Rank: #16718 (+36)
10K → 15K
24:42 | 7:58/mi
20K
1:39:28
12.43 mi
Rank: #16829 (-111)
15K → 20K
25:20 | 8:10/mi
HALF
1:45:01
13.11 mi
Rank: #16891 (-62)
20K → HALF
5:33 | 8:09/mi
25K
2:05:12
15.53 mi
Rank: #16991 (-100)
HALF → 25K
20:11 | 8:20/mi
30K
2:32:20
18.64 mi
Rank: #17199 (-208)
25K → 30K
27:08 | 8:45/mi
20M
2:44:44
20.00 mi
Rank: #17394 (-195)
30K → 20M
12:24 | 9:08/mi
21M
2:54:27
21.00 mi
Rank: #17500 (-106)
20M → 21M
9:43 | 9:43/mi
35K
3:01:08
21.75 mi
Rank: #17592 (-92)
21M → 35K
6:41 | 8:57/mi
23M
3:12:52
23.00 mi
Rank: #17744 (-152)
35K → 23M
11:44 | 9:23/mi
24M
3:21:55
24.00 mi
Rank: #17856 (-112)
23M → 24M
9:03 | 9:03/mi
40K
3:29:57
24.85 mi
Rank: #17936 (-80)
24M → 40K
8:02 | 9:24/mi
25.2M
3:33:23
25.20 mi
Rank: #17962 (-26)
40K → 25.2M
3:26 | 9:58/mi
FINISH
3:42:46
26.22 mi
Rank: #18131 (-169)
25.2M → FINISH
9:23 | 9:13/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:45:01
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:57:45
Pace8:59 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:27:2724:538:0124:53
8:01
-
10K
6.21 mi11:52:0049:267:5824:33
7:55
-0:06
15K
9.32 mi12:16:421:14:087:5824:42
7:58
+0:03
20K
12.43 mi12:42:021:39:288:0125:20
8:10
+0:12
HALF
13.11 mi12:47:351:45:018:015:33
8:09
-0:01
25K
15.53 mi13:07:462:05:128:0420:11
8:20
+0:11
30K
18.64 mi13:34:542:32:208:1127:08
8:45
+0:25
20M
20.00 mi13:47:182:44:448:1512:24
9:08
+0:23
21M
21.00 mi13:57:012:54:278:199:43
9:43
+0:35
35K
21.75 mi14:03:423:01:088:206:41
8:57
-0:46
23M
23.00 mi14:15:263:12:528:2411:44
9:23
+0:26
24M
24.00 mi14:24:293:21:558:259:03
9:03
-0:20
40K
24.85 mi14:32:313:29:578:278:02
9:24
+0:21
25.2M
25.20 mi14:35:573:33:238:293:26
9:58
+0:34
FINISH
26.22 mi14:45:203:42:468:319:23
9:13
-0:45

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

7:55 /mi

Average Pace

8:30 /mi

Slowest Pace

9:58 /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

2:05:12

56% of race

Time at Steady Pace

1:04:39

29% of race

Time at Slower Pace

32:55

15% of race

Average Pace: 8:30 /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 mi11:27:2724:538:0124:53
8:01
#17031
10K
6.21 mi11:52:0049:267:5824:33
7:55
#16754
15K
9.32 mi12:16:421:14:087:5824:42
7:58
#16718
20K
12.43 mi12:42:021:39:288:0125:20
8:10
#16829
HALF
13.11 mi12:47:351:45:018:015:33
8:09
#16891
25K
15.53 mi13:07:462:05:128:0420:11
8:20
#16991
30K
18.64 mi13:34:542:32:208:1127:08
8:45
#17199
20M
20.00 mi13:47:182:44:448:1512:24
9:08
#17394
21M
21.00 mi13:57:012:54:278:199:43
9:43
#17500
35K
21.75 mi14:03:423:01:088:206:41
8:57
#17592
23M
23.00 mi14:15:263:12:528:2411:44
9:23
#17744
24M
24.00 mi14:24:293:21:558:259:03
9:03
#17856
40K
24.85 mi14:32:313:29:578:278:02
9:24
#17936
25.2M
25.20 mi14:35:573:33:238:293:26
9:58
#17962
FINISH
26.22 mi14:45:203:42:468:319:23
9:13
#18131
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi170315945594516637(Top 57%)5699(Top 45%)5699(Top 462%)
10K6.21 mi3.10 mi16754+2775790+1555790+15516500(Top 57%)5626(Top 45%)5626(Top 456%)
15K9.32 mi3.11 mi16718+365757+335757+3316637(Top 57%)5699(Top 45%)5699(Top 462%)
20K12.43 mi3.11 mi16829-1115834-775834-7717222(Top 59%)6054(Top 48%)6054(Top 491%)
HALF13.11 mi0.68 mi16891-625871-375871-3718119(Top 62%)6547(Top 52%)6547(Top 531%)
25K15.53 mi2.42 mi16991-1005938-675938-6717561(Top 61%)6319(Top 50%)6319(Top 512%)
30K18.64 mi3.11 mi17199-2086076-1386076-13818217(Top 63%)6796(Top 54%)6796(Top 551%)
20M20.00 mi1.36 mi17394-1956199-1236199-12319560(Top 67%)7571(Top 60%)7571(Top 614%)
21M21.00 mi1.00 mi17500-1066282-836282-8319445(Top 67%)7554(Top 60%)7554(Top 613%)
35K21.75 mi0.75 mi17592-926349-676349-6719774(Top 68%)7836(Top 62%)7836(Top 636%)
23M23.00 mi1.25 mi17744-1526475-1266475-12620154(Top 69%)8044(Top 64%)8044(Top 652%)
24M24.00 mi1.00 mi17856-1126555-806555-8019683(Top 68%)7889(Top 63%)7889(Top 640%)
40K24.85 mi0.85 mi17936-806622-676622-6720020(Top 69%)8073(Top 64%)8073(Top 655%)
25.2M25.20 mi0.35 mi17962-266637-156637-1519271(Top 66%)7694(Top 61%)7694(Top 624%)
FINISH26.22 mi1.02 mi18131-1696736-996736-9921337(Top 74%)8737(Top 69%)8737(Top 709%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21
+97ft-345ft

Overall

16637

Females

5699

F50-54

5699

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16500

Females

5626

F50-54

5626

10K→15K

6.2 - 9.3 mi

Top 57%
×3
+67ft-78ft

Overall

16637

Females

5699

F50-54

5699

15K→20K

9.3 - 12.4 mi

Top 59%
×5
+106ft-86ft

Overall

17222

Females

6054

F50-54

6054

20K→HALF

12.4 - 13.1 mi

Top 62%
×2
+19ft-37ft

Overall

18119

Females

6547

F50-54

6547

HALF→25K

13.1 - 15.5 mi

Top 61%
×4
+66ft-88ft

Overall

17561

Females

6319

F50-54

6319

25K→30K

15.5 - 18.6 mi

Top 63%
×9
+181ft-148ft

Overall

18217

Females

6796

F50-54

6796

30K→20M

18.6 - 20.0 mi

Top 67%
×5
+64ft-50ft

Overall

19560

Females

7571

F50-54

7571

20M→21M

20.0 - 21.0 mi

Top 67%
×8
+106ft-24ft

Overall

19445

Females

7554

F50-54

7554

21M→35K

21.0 - 21.8 mi

Top 68%
×7
+17ft-86ft

Overall

19774

Females

7836

F50-54

7836

35K→23M

21.8 - 23.0 mi

Top 69%
×5
+23ft-63ft

Overall

20154

Females

8044

F50-54

8044

23M→24M

23.0 - 24.0 mi

Top 68%
×6
+12ft-82ft

Overall

19683

Females

7889

F50-54

7889

24M→40K

24.0 - 24.9 mi

Top 69%
×1
+6ft-20ft

Overall

20020

Females

8073

F50-54

8073

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1
+13ft-16ft

Overall

19271

Females

7694

F50-54

7694

25.2M→FINISH

25.2 - 26.2 mi

Top 74%
×2
+22ft-21ft

Overall

21337

Females

8737

F50-54

8737

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1389
Passed By
2489
Net Change
-1100
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17031
5K → 10K459182+277#17031#16754
10K → 15K218182+36#16754#16718
15K → 20K140251-111#16718#16829
20K → HALF2183-62#16829#16891
HALF → 25K103203-100#16891#16991
25K → 30K142350-208#16991#17199
30K → 20M41236-195#17199#17394
20M → 21M48154-106#17394#17500
21M → 35K36128-92#17500#17592
35K → 23M57209-152#17592#17744
23M → 24M34146-112#17744#17856
24M → 40K46126-80#17856#17936
40K → 25.2M1945-26#17936#17962
25.2M → FINISH25194-169#17962#18131
TOTALS13892489-1100

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📊

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