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BOSTON MARATHON 2026

Karin Machova

Bib: 13479•F

Masters
Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 22%
Gender (Female)
#0 / 12578
Top 6%
Masters (Masters Women)
#0 / 6862
Top 1%
Age Group (F45-49)
#0 / 1786
Top 1%
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· 3.11 mi
21:17
Rank: #7336
Start → 5K
21:17 | 6:52/mi
10K· 6.21 mi
42:05
Rank: #6621 (+715)
5K → 10K
20:48 | 6:42/mi
15K· 9.32 mi
1:03:00
Rank: #6445 (+176)
10K → 15K
20:55 | 6:44/mi
20K· 12.43 mi
1:24:34
Rank: #6666 (-221)
15K → 20K
21:34 | 6:57/mi
HALF· 13.11 mi
1:29:15
Rank: #6735 (-69)
20K → HALF
4:41 | 6:53/mi
25K· 15.53 mi
1:46:01
Rank: #6740 (-5)
HALF → 25K
16:46 | 6:55/mi
30K· 18.64 mi
2:08:23
Rank: #6847 (-107)
25K → 30K
22:22 | 7:12/mi
20M
2:18:05
Rank: #6787 (+60)
30K → 20M
9:42 | 7:09/mi
21M
2:25:52
Rank: #6851 (-64)
20M → 21M
7:47 | 7:47/mi
35K· 21.75 mi
2:30:49
Rank: #6733 (+118)
21M → 35K
4:57 | 6:37/mi
23M
2:39:31
Rank: #6577 (+156)
35K → 23M
8:42 | 6:58/mi
24M
2:46:19
Rank: #6484 (+93)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:52:50
Rank: #6536 (-52)
24M → 40K
6:31 | 7:38/mi
25.2M
2:55:29
Rank: #6518 (+18)
40K → 25.2M
2:39 | 7:42/mi
FINISH· 26.22 mi
3:02:35
Rank: #6488 (+30)
25.2M → FINISH
7:06 | 6:59/mi
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Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:29:15
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:33:20
Pace7:08 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4921:176:5221:17
6:52
-
10K
6.21 mi11:10:3742:056:4720:48
6:42
-0:10
15K
9.32 mi11:31:321:03:006:4620:55
6:44
+0:02
20K
12.43 mi11:53:061:24:346:4921:34
6:57
+0:13
HALF
13.11 mi11:57:471:29:156:494:41
6:53
-0:04
25K
15.53 mi12:14:331:46:016:5016:46
6:55
+0:02
30K
18.64 mi12:36:552:08:236:5422:22
7:12
+0:17
20M
20.00 mi12:46:372:18:056:559:42
7:09
-0:03
21M
21.00 mi12:54:242:25:526:577:47
7:47
+0:38
35K
21.75 mi12:59:212:30:496:574:57
6:37
-1:10
23M
23.00 mi13:08:032:39:316:578:42
6:58
+0:21
24M
24.00 mi13:14:512:46:196:566:48
6:48
-0:10
40K
24.85 mi13:21:222:52:506:586:31
7:38
+0:50
25.2M
25.20 mi13:24:012:55:296:582:39
7:42
+0:04
FINISH
26.22 mi13:31:073:02:356:597:06
6:59
-0:43

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

6:37 /mi

Average Pace

6:58 /mi

Slowest Pace

7:47 /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

2:45:38

91% of race

Time at Steady Pace

16:57

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:58 /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 mi10:49:4921:176:5221:17
6:52
#7336
10K
6.21 mi11:10:3742:056:4720:48
6:42
#6621
15K
9.32 mi11:31:321:03:006:4620:55
6:44
#6445
20K
12.43 mi11:53:061:24:346:4921:34
6:57
#6666
HALF
13.11 mi11:57:471:29:156:494:41
6:53
#6735
25K
15.53 mi12:14:331:46:016:5016:46
6:55
#6740
30K
18.64 mi12:36:552:08:236:5422:22
7:12
#6847
20M
20.00 mi12:46:372:18:056:559:42
7:09
#6787
21M
21.00 mi12:54:242:25:526:577:47
7:47
#6851
35K
21.75 mi12:59:212:30:496:574:57
6:37
#6733
23M
23.00 mi13:08:032:39:316:578:42
6:58
#6577
24M
24.00 mi13:14:512:46:196:566:48
6:48
#6484
40K
24.85 mi13:21:222:52:506:586:31
7:38
#6536
25.2M
25.20 mi13:24:012:55:296:582:39
7:42
#6518
FINISH
26.22 mi13:31:073:02:356:597:06
6:59
#6488
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 mi73368618616157(Top 21%)598(Top 5%)598(Top 33%)
10K6.21 mi3.10 mi6621+715667+194667+1945930(Top 20%)522(Top 4%)522(Top 29%)
15K9.32 mi3.11 mi6445+176635+32635+326157(Top 21%)598(Top 5%)598(Top 33%)
20K12.43 mi3.11 mi6666-221701-66701-667467(Top 26%)966(Top 8%)966(Top 54%)
HALF13.11 mi0.68 mi6735-69723-22723-227750(Top 27%)1032(Top 8%)1032(Top 58%)
25K15.53 mi2.42 mi6740-5730-7730-76826(Top 24%)821(Top 7%)821(Top 46%)
30K18.64 mi3.11 mi6847-107781-51781-517398(Top 25%)1128(Top 9%)1128(Top 63%)
20M20.00 mi1.36 mi6787+60784-3784-36554(Top 23%)920(Top 7%)920(Top 52%)
21M21.00 mi1.00 mi6851-64809-25809-258391(Top 29%)1755(Top 14%)1755(Top 98%)
35K21.75 mi0.75 mi6733+118788+21788+214448(Top 15%)461(Top 4%)461(Top 26%)
23M23.00 mi1.25 mi6577+156756+32756+325154(Top 18%)642(Top 5%)642(Top 36%)
24M24.00 mi1.00 mi6484+93745+11745+115174(Top 18%)701(Top 6%)701(Top 39%)
40K24.85 mi0.85 mi6536-52774-29774-299758(Top 34%)2621(Top 21%)2621(Top 147%)
25.2M25.20 mi0.35 mi6518+18772+2772+26398(Top 22%)1186(Top 9%)1186(Top 66%)
FINISH26.22 mi1.02 mi6488+30778-6778-67319(Top 25%)1601(Top 13%)1601(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

6157

Females

598

F45-49

598

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5930

Females

522

F45-49

522

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

6157

Females

598

F45-49

598

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7467

Females

966

F45-49

966

20K→HALF

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7750

Females

1032

F45-49

1032

HALF→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6826

Females

821

F45-49

821

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

7398

Females

1128

F45-49

1128

30K→20M

18.6 - 20.0 mi

Top 23%
×5stories
+64ft-50ft

Overall

6554

Females

920

F45-49

920

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8391

Females

1755

F45-49

1755

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4448

Females

461

F45-49

461

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

5154

Females

642

F45-49

642

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

5174

Females

701

F45-49

701

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9758

Females

2621

F45-49

2621

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6398

Females

1186

F45-49

1186

25.2M→FINISH

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7319

Females

1601

F45-49

1601

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1958
Passed By
1110
Net Change
+848
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7336
5K → 10K73823+715#7336#6621
10K → 15K24165+176#6621#6445
15K → 20K76297-221#6445#6666
20K → HALF877-69#6666#6735
HALF → 25K112117-5#6735#6740
25K → 30K105212-107#6740#6847
30K → 20M10747+60#6847#6787
20M → 21M38102-64#6787#6851
21M → 35K1213+118#6851#6733
35K → 23M17115+156#6733#6577
23M → 24M1018+93#6577#6484
24M → 40K3890-52#6484#6536
40K → 25.2M279+18#6536#6518
25.2M → FINISH7545+30#6518#6488
TOTALS19581110+848
📊

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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Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing