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BOSTON MARATHON 2026

Lenka Kubkova

Bib: 15808•F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 43%
Gender (Female)
#0 / 12578
Top 28%
Masters (Masters Women)
#0 / 6862
Top 12%
Age Group (F50-54)
#0 / 1233
Top 7%
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
22:49
3.11 mi
Rank: #11444
Start → 5K
22:49 | 7:21/mi
10K
45:35
6.21 mi
Rank: #11401 (+43)
5K → 10K
22:46 | 7:20/mi
15K
1:08:41
9.32 mi
Rank: #11694 (-293)
10K → 15K
23:06 | 7:27/mi
20K
1:32:08
12.43 mi
Rank: #11854 (-160)
15K → 20K
23:27 | 7:33/mi
HALF
1:37:11
13.11 mi
Rank: #11853 (+1)
20K → HALF
5:03 | 7:25/mi
25K
1:55:29
15.53 mi
Rank: #11842 (+11)
HALF → 25K
18:18 | 7:33/mi
30K
2:19:46
18.64 mi
Rank: #11857 (-15)
25K → 30K
24:17 | 7:49/mi
20M
2:30:38
20.00 mi
Rank: #11918 (-61)
30K → 20M
10:52 | 8:01/mi
21M
2:39:11
21.00 mi
Rank: #12002 (-84)
20M → 21M
8:33 | 8:33/mi
35K
2:45:07
21.75 mi
Rank: #12070 (-68)
21M → 35K
5:56 | 7:56/mi
23M
2:55:32
23.00 mi
Rank: #12216 (-146)
35K → 23M
10:25 | 8:20/mi
24M
3:03:37
24.00 mi
Rank: #12281 (-65)
23M → 24M
8:05 | 8:05/mi
40K
3:10:41
24.85 mi
Rank: #12342 (-61)
24M → 40K
7:04 | 8:16/mi
25.2M
3:13:46
25.20 mi
Rank: #12365 (-23)
40K → 25.2M
3:05 | 8:57/mi
FINISH
3:21:57
26.22 mi
Rank: #12458 (-93)
25.2M → FINISH
8:11 | 8:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:11
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:44:46
Pace8:00 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:2622:497:2122:49
7:21
-
10K
6.21 mi11:17:1245:357:2122:46
7:20
-0:01
15K
9.32 mi11:40:181:08:417:2323:06
7:27
+0:07
20K
12.43 mi12:03:451:32:087:2523:27
7:33
+0:06
HALF
13.11 mi12:08:481:37:117:255:03
7:25
-0:08
25K
15.53 mi12:27:061:55:297:2718:18
7:33
+0:08
30K
18.64 mi12:51:232:19:467:3024:17
7:49
+0:16
20M
20.00 mi13:02:152:30:387:3210:52
8:01
+0:12
21M
21.00 mi13:10:482:39:117:358:33
8:33
+0:32
35K
21.75 mi13:16:442:45:077:365:56
7:56
-0:37
23M
23.00 mi13:27:092:55:327:3810:25
8:20
+0:24
24M
24.00 mi13:35:143:03:377:408:05
8:05
-0:15
40K
24.85 mi13:42:183:10:417:417:04
8:16
+0:11
25.2M
25.20 mi13:45:233:13:467:423:05
8:57
+0:41
FINISH
26.22 mi13:53:343:21:577:438:11
8:02
-0:55

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

7:20 /mi

Average Pace

7:42 /mi

Slowest Pace

8:57 /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

1:55:29

57% of race

Time at Steady Pace

57:21

28% of race

Time at Slower Pace

29:07

14% of race

Average Pace: 7:42 /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 mi10:54:2622:497:2122:49
7:21
#11444
10K
6.21 mi11:17:1245:357:2122:46
7:20
#11401
15K
9.32 mi11:40:181:08:417:2323:06
7:27
#11694
20K
12.43 mi12:03:451:32:087:2523:27
7:33
#11854
HALF
13.11 mi12:08:481:37:117:255:03
7:25
#11853
25K
15.53 mi12:27:061:55:297:2718:18
7:33
#11842
30K
18.64 mi12:51:232:19:467:3024:17
7:49
#11857
20M
20.00 mi13:02:152:30:387:3210:52
8:01
#11918
21M
21.00 mi13:10:482:39:117:358:33
8:33
#12002
35K
21.75 mi13:16:442:45:077:365:56
7:56
#12070
23M
23.00 mi13:27:092:55:327:3810:25
8:20
#12216
24M
24.00 mi13:35:143:03:377:408:05
8:05
#12281
40K
24.85 mi13:42:183:10:417:417:04
8:16
#12342
25.2M
25.20 mi13:45:233:13:467:423:05
8:57
#12365
FINISH
26.22 mi13:53:343:21:577:438:11
8:02
#12458
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 mi114442617261712278(Top 42%)3168(Top 25%)3168(Top 257%)
10K6.21 mi3.10 mi11401+432613+42613+411420(Top 39%)2666(Top 21%)2666(Top 216%)
15K9.32 mi3.11 mi11694-2932806-1932806-19312278(Top 42%)3168(Top 25%)3168(Top 257%)
20K12.43 mi3.11 mi11854-1602915-1092915-10912395(Top 43%)3322(Top 26%)3322(Top 269%)
HALF13.11 mi0.68 mi11853+12919-42919-412287(Top 42%)3192(Top 25%)3192(Top 259%)
25K15.53 mi2.42 mi11842+112948-292948-2911828(Top 41%)3084(Top 25%)3084(Top 250%)
30K18.64 mi3.11 mi11857-153005-573005-5712101(Top 42%)3362(Top 27%)3362(Top 273%)
20M20.00 mi1.36 mi11918-613058-533058-5312853(Top 44%)3857(Top 31%)3857(Top 313%)
21M21.00 mi1.00 mi12002-843120-623120-6213462(Top 46%)4290(Top 34%)4290(Top 348%)
35K21.75 mi0.75 mi12070-683175-553175-5514001(Top 48%)4630(Top 37%)4630(Top 376%)
23M23.00 mi1.25 mi12216-1463297-1223297-12214616(Top 50%)5056(Top 40%)5056(Top 410%)
24M24.00 mi1.00 mi12281-653369-723369-7214322(Top 49%)4966(Top 39%)4966(Top 403%)
40K24.85 mi0.85 mi12342-613413-443413-4414225(Top 49%)4996(Top 40%)4996(Top 405%)
25.2M25.20 mi0.35 mi12365-233432-193432-1914397(Top 50%)5089(Top 40%)5089(Top 413%)
FINISH26.22 mi1.02 mi12458-933515-833515-8315381(Top 53%)5617(Top 45%)5617(Top 456%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21
+97ft-345ft

Overall

12278

Females

3168

F50-54

3168

5K→10K

3.1 - 6.2 mi

Top 39%
×5
+79ft-138ft

Overall

11420

Females

2666

F50-54

2666

10K→15K

6.2 - 9.3 mi

Top 42%
×3
+67ft-78ft

Overall

12278

Females

3168

F50-54

3168

15K→20K

9.3 - 12.4 mi

Top 43%
×5
+106ft-86ft

Overall

12395

Females

3322

F50-54

3322

20K→HALF

12.4 - 13.1 mi

Top 42%
×2
+19ft-37ft

Overall

12287

Females

3192

F50-54

3192

HALF→25K

13.1 - 15.5 mi

Top 41%
×4
+66ft-88ft

Overall

11828

Females

3084

F50-54

3084

25K→30K

15.5 - 18.6 mi

Top 42%
×9
+181ft-148ft

Overall

12101

Females

3362

F50-54

3362

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12853

Females

3857

F50-54

3857

20M→21M

20.0 - 21.0 mi

Top 46%
×8
+106ft-24ft

Overall

13462

Females

4290

F50-54

4290

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

14001

Females

4630

F50-54

4630

35K→23M

21.8 - 23.0 mi

Top 50%
×5
+23ft-63ft

Overall

14616

Females

5056

F50-54

5056

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14322

Females

4966

F50-54

4966

24M→40K

24.0 - 24.9 mi

Top 49%
×1
+6ft-20ft

Overall

14225

Females

4996

F50-54

4996

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1
+13ft-16ft

Overall

14397

Females

5089

F50-54

5089

25.2M→FINISH

25.2 - 26.2 mi

Top 53%
×2
+22ft-21ft

Overall

15381

Females

5617

F50-54

5617

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1235
Passed By
2248
Net Change
-1014
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11444
5K → 10K268224+43#11444#11401
10K → 15K107400-293#11401#11694
15K → 20K107267-160#11694#11854
20K → HALF2524+1#11854#11853
HALF → 25K133122+11#11853#11842
25K → 30K175190-15#11842#11857
30K → 20M73134-61#11857#11918
20M → 21M62146-84#11918#12002
21M → 35K32100-68#12002#12070
35K → 23M69215-146#12070#12216
23M → 24M63128-65#12216#12281
24M → 40K44105-61#12281#12342
40K → 25.2M3255-23#12342#12365
25.2M → FINISH45138-93#12365#12458
TOTALS12352248-1014
📊

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