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Public Race Data

Enhanced athlete results built from publicly available data.

Race managed by

Boston Athletic Association

Race timed by

Mika Timing

BOSTON MARATHON 2026

Alexandr Semenov

Bib: 2582 •M •Age: N/A

0:00

0:00

/ mi

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Overall

#0 / 29021

Top 6%

Gender (Male)

#0 / 16340

Top 11%

Age Group (M18-39)

#0 / 5723

Top 26%

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

Start

0:00:00

Race begins

19:05

3.11 mi

Rank: #1794

Start → 5K

19:05 | 6:09/mi

19:05

3.11 mi

Rank: #1794

Start → 5K

19:05 | 6:09/mi

10K

38:14

6.21 mi

Rank: #1949 (-155)

5K → 10K

19:09 | 6:10/mi

10K

38:14

6.21 mi

Rank: #1949 (-155)

5K → 10K

19:09 | 6:10/mi

15K

57:27

9.32 mi

Rank: #2033 (-84)

10K → 15K

19:13 | 6:12/mi

15K

57:27

9.32 mi

Rank: #2033 (-84)

10K → 15K

19:13 | 6:12/mi

20K

1:16:54

12.43 mi

Rank: #2098 (-65)

15K → 20K

19:27 | 6:16/mi

20K

1:16:54

12.43 mi

Rank: #2098 (-65)

15K → 20K

19:27 | 6:16/mi

HALF

1:21:08

13.11 mi

Rank: #2112 (-14)

20K → HALF

4:14 | 6:13/mi

HALF

1:21:08

13.11 mi

Rank: #2112 (-14)

20K → HALF

4:14 | 6:13/mi

25K

1:36:14

15.53 mi

Rank: #2072 (+40)

HALF → 25K

15:06 | 6:14/mi

25K

1:36:14

15.53 mi

Rank: #2072 (+40)

HALF → 25K

15:06 | 6:14/mi

30K

1:55:45

18.64 mi

Rank: #1954 (+118)

25K → 30K

19:31 | 6:17/mi

30K

1:55:45

18.64 mi

Rank: #1954 (+118)

25K → 30K

19:31 | 6:17/mi

20M

2:04:18

20.00 mi

Rank: #1880 (+74)

30K → 20M

8:33 | 6:18/mi

20M

2:04:18

20.00 mi

Rank: #1880 (+74)

30K → 20M

8:33 | 6:18/mi

21M

2:10:57

21.00 mi

Rank: #1849 (+31)

20M → 21M

6:39 | 6:39/mi

21M

2:10:57

21.00 mi

Rank: #1849 (+31)

20M → 21M

6:39 | 6:39/mi

35K

2:15:32

21.75 mi

Rank: #1828 (+21)

21M → 35K

4:35 | 6:08/mi

35K

2:15:32

21.75 mi

Rank: #1828 (+21)

21M → 35K

4:35 | 6:08/mi

23M

2:23:49

23.00 mi

Rank: #1863 (-35)

35K → 23M

8:17 | 6:38/mi

23M

2:23:49

23.00 mi

Rank: #1863 (-35)

35K → 23M

8:17 | 6:38/mi

24M

2:29:50

24.00 mi

Rank: #1794 (+69)

23M → 24M

6:01 | 6:01/mi

24M

2:29:50

24.00 mi

Rank: #1794 (+69)

23M → 24M

6:01 | 6:01/mi

40K

2:35:35

24.85 mi

Rank: #1836 (-42)

24M → 40K

5:45 | 6:44/mi

40K

2:35:35

24.85 mi

Rank: #1836 (-42)

24M → 40K

5:45 | 6:44/mi

25.2M

2:37:57

25.20 mi

Rank: #1823 (+13)

40K → 25.2M

2:22 | 6:52/mi

25.2M

2:37:57

25.20 mi

Rank: #1823 (+13)

40K → 25.2M

2:22 | 6:52/mi

FINISH

2:44:06

26.22 mi

Rank: #1789 (+34)

25.2M → FINISH

6:09 | 6:03/mi

FINISH

2:44:06

26.22 mi

Rank: #1789 (+34)

25.2M → FINISH

6:09 | 6:03/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster

via HALF

Distance13.11 mi

Time1:21:08

Pace6:12 /mi

2nd Half

Spacer

Distance13.11 mi

Time1:22:58

Pace6:20 /mi

📊Positive Split: 2.3% slower second half

Checkpoint Splits

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment Time	Segment Pace	Diff
5K	3.11 mi	10:19:46	19:05	6:09	19:05	6:09	-
10K	6.21 mi	10:38:55	38:14	6:10	19:09	6:10	+0:01
15K	9.32 mi	10:58:08	57:27	6:10	19:13	6:12	+0:02
20K	12.43 mi	11:17:35	1:16:54	6:12	19:27	6:16	+0:04
HALF	13.11 mi	11:21:49	1:21:08	6:12	4:14	6:13	-0:03
25K	15.53 mi	11:36:55	1:36:14	6:12	15:06	6:14	+0:01
30K	18.64 mi	11:56:26	1:55:45	6:13	19:31	6:17	+0:03
20M	20.00 mi	12:04:59	2:04:18	6:13	8:33	6:18	+0:01
21M	21.00 mi	12:11:38	2:10:57	6:15	6:39	6:39	+0:21
35K	21.75 mi	12:16:13	2:15:32	6:14	4:35	6:08	-0:31
23M	23.00 mi	12:24:30	2:23:49	6:16	8:17	6:38	+0:30
24M	24.00 mi	12:30:31	2:29:50	6:15	6:01	6:01	-0:37
40K	24.85 mi	12:36:16	2:35:35	6:16	5:45	6:44	+0:43
25.2M	25.20 mi	12:38:38	2:37:57	6:17	2:22	6:52	+0:08
FINISH	26.22 mi	12:44:47	2:44:06	6:16	6:09	6:03	-0:49

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

6:01 /mi

Average Pace

6:16 /mi

Slowest Pace

6:52 /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

2:21:03

86% of race

Time at Steady Pace

23:03

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:16 /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.

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

Checkpoint	Distance	Time of Day	Time	Avg Pace	Segment	Pace	Rank
5K	3.11 mi	10:19:46	19:05	6:09	19:05	6:09	#1794
10K	6.21 mi	10:38:55	38:14	6:10	19:09	6:10	#1949
15K	9.32 mi	10:58:08	57:27	6:10	19:13	6:12	#2033
20K	12.43 mi	11:17:35	1:16:54	6:12	19:27	6:16	#2098
HALF	13.11 mi	11:21:49	1:21:08	6:12	4:14	6:13	#2112
25K	15.53 mi	11:36:55	1:36:14	6:12	15:06	6:14	#2072
30K	18.64 mi	11:56:26	1:55:45	6:13	19:31	6:17	#1954
20M	20.00 mi	12:04:59	2:04:18	6:13	8:33	6:18	#1880
21M	21.00 mi	12:11:38	2:10:57	6:15	6:39	6:39	#1849
35K	21.75 mi	12:16:13	2:15:32	6:14	4:35	6:08	#1828
23M	23.00 mi	12:24:30	2:23:49	6:16	8:17	6:38	#1863
24M	24.00 mi	12:30:31	2:29:50	6:15	6:01	6:01	#1794
40K	24.85 mi	12:36:16	2:35:35	6:16	5:45	6:44	#1836
25.2M	25.20 mi	12:38:38	2:37:57	6:17	2:22	6:52	#1823
FINISH	26.22 mi	12:44:47	2:44:06	6:16	6:09	6:03	#1789

Faster pace

Steady pace

Slower pace

Rankings

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

Checkpoint and Segment Rankings

Checkpoint	Distance	Seg. Dist	Overall	Males	M18-39	Seg. Overall	Seg. Males	Seg. M18-39
5K	3.11 mi	3.11 mi	1794	1727	1727	2205(Top 8%)	2126(Top 13%)	2126(Top 37%)
10K	6.21 mi	3.10 mi	1949-155	1881-154	1881-154	2079(Top 7%)	2005(Top 12%)	2005(Top 35%)
15K	9.32 mi	3.11 mi	2033-84	1960-79	1960-79	2205(Top 8%)	2126(Top 13%)	2126(Top 37%)
20K	12.43 mi	3.11 mi	2098-65	2025-65	2025-65	2332(Top 8%)	2246(Top 14%)	2246(Top 39%)
HALF	13.11 mi	0.68 mi	2112-14	2037-12	2037-12	2469(Top 9%)	2377(Top 15%)	2377(Top 42%)
25K	15.53 mi	2.42 mi	2072+40	1998+39	1998+39	1954(Top 7%)	1884(Top 12%)	1884(Top 33%)
30K	18.64 mi	3.11 mi	1954+118	1883+115	1883+115	1550(Top 5%)	1492(Top 9%)	1492(Top 26%)
20M	20.00 mi	1.36 mi	1880+74	1810+73	1810+73	1523(Top 5%)	1460(Top 9%)	1460(Top 26%)
21M	21.00 mi	1.00 mi	1849+31	1782+28	1782+28	1808(Top 6%)	1732(Top 11%)	1732(Top 30%)
35K	21.75 mi	0.75 mi	1828+21	1760+22	1760+22	1690(Top 6%)	1612(Top 10%)	1612(Top 28%)
23M	23.00 mi	1.25 mi	1863-35	1793-33	1793-33	2999(Top 10%)	2771(Top 17%)	2771(Top 48%)
24M	24.00 mi	1.00 mi	1794+69	1727+66	1727+66	1137(Top 4%)	1086(Top 7%)	1086(Top 19%)
40K	24.85 mi	0.85 mi	1836-42	1766-39	1766-39	3698(Top 13%)	3281(Top 20%)	3281(Top 57%)
25.2M	25.20 mi	0.35 mi	1823+13	1753+13	1753+13	2050(Top 7%)	1898(Top 12%)	1898(Top 33%)
FINISH	26.22 mi	1.02 mi	1789+34	1720+33	1720+33	1755(Top 6%)	1636(Top 10%)	1636(Top 29%)

1636

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:

Athletes Passed

637

Passed By

632

Net Change

Segment	Athletes Passed	Passed By	Net Change	Start Rank	End Rank
Start → 5K	-	-	-	-	#1794
5K → 10K	36	191	-155	#1794	#1949
10K → 15K	33	117	-84	#1949	#2033
15K → 20K	29	94	-65	#2033	#2098
20K → HALF	5	19	-14	#2098	#2112
HALF → 25K	59	19	+40	#2112	#2072
25K → 30K	137	19	+118	#2072	#1954
30K → 20M	79	5	+74	#1954	#1880
20M → 21M	48	17	+31	#1880	#1849
21M → 35K	33	12	+21	#1849	#1828
35K → 23M	23	58	-35	#1828	#1863
23M → 24M	71	2	+69	#1863	#1794
24M → 40K	18	60	-42	#1794	#1836
40K → 25.2M	19	6	+13	#1836	#1823
25.2M → FINISH	47	13	+34	#1823	#1789
TOTALS	637	632	+5

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:

Category:

📈Position Graph

🎨Heatmap Timeline

🔄Passing Circle

🌊Position Flow

🏃Race Lanes

AI Key Insights

Activity Data

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Results processed 3 months ago

Public Race Data

Alexandr Semenov

Race Timeline and Course Information

⏱️ Race Timeline

Race Animation with Course Map

Splits & Pacing

Half Splits

Checkpoint Splits

Checkpoint Splits Visualizations

📈Pace Line

Pace Progression

📊Segments

Segment Time Comparison

🎨Heatmap

Pace Heatmap

✨Sparklines

Checkpoint Splits with Pace Trends

Rankings

Checkpoint and Segment Rankings

Segment Performance Analysis

10K→15K

5K→10K

10K→15K

15K→20K

20K→HALF

HALF→25K

25K→30K

30K→20M

20M→21M

21M→35K

35K→23M

23M→24M

24M→40K

40K→25.2M

25.2M→FINISH