Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing

Aleksandr Zaitsev

Bib: 5435 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 15%
Gender (Male)
#0 / 16340
Top 25%
Masters (Masters Men)
#0 / 10617
Top 11%
Age Group (M40-44)
#0 / 2198
Top 30%
Race Day Weather
51Β°/41Β°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
19:48
3.11 mi
Rank: #3246
Start β†’ 5K
19:48 | 6:23/mi
10K
39:44
6.21 mi
Rank: #3448 (-202)
5K β†’ 10K
19:56 | 6:25/mi
15K
59:49
9.32 mi
Rank: #3596 (-148)
10K β†’ 15K
20:05 | 6:28/mi
20K
1:20:13
12.43 mi
Rank: #3737 (-141)
15K β†’ 20K
20:24 | 6:34/mi
HALF
1:24:35
13.11 mi
Rank: #3740 (-3)
20K β†’ HALF
4:22 | 6:25/mi
25K
1:40:45
15.53 mi
Rank: #3844 (-104)
HALF β†’ 25K
16:10 | 6:40/mi
30K
2:01:56
18.64 mi
Rank: #3919 (-75)
25K β†’ 30K
21:11 | 6:50/mi
20M
2:11:26
20.00 mi
Rank: #3971 (-52)
30K β†’ 20M
9:30 | 7:00/mi
21M
2:19:01
21.00 mi
Rank: #4109 (-138)
20M β†’ 21M
7:35 | 7:35/mi
35K
2:24:06
21.75 mi
Rank: #4130 (-21)
21M β†’ 35K
5:05 | 6:48/mi
23M
2:33:01
23.00 mi
Rank: #4210 (-80)
35K β†’ 23M
8:55 | 7:08/mi
24M
2:40:03
24.00 mi
Rank: #4276 (-66)
23M β†’ 24M
7:02 | 7:02/mi
40K
2:46:14
24.85 mi
Rank: #4379 (-103)
24M β†’ 40K
6:11 | 7:14/mi
25.2M
2:48:56
25.20 mi
Rank: #4406 (-27)
40K β†’ 25.2M
2:42 | 7:50/mi
FINISH
2:55:58
26.22 mi
Rank: #4485 (-79)
25.2M β†’ FINISH
7:02 | 6:55/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
Time1:24:35
Pace6:28 /mi
2nd Half
Distance13.11 mi
Time1:31:23
Pace6:59 /mi
πŸ“ŠPositive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:5819:486:2319:48
6:23
-
10K
6.21 mi10:43:5439:446:2419:56
6:25
+0:02
15K
9.32 mi11:03:5959:496:2620:05
6:28
+0:03
20K
12.43 mi11:24:231:20:136:2820:24
6:34
+0:06
HALF
13.11 mi11:28:451:24:356:284:22
6:25
-0:09
25K
15.53 mi11:44:551:40:456:3016:10
6:40
+0:15
30K
18.64 mi12:06:062:01:566:3321:11
6:50
+0:10
20M
20.00 mi12:15:362:11:266:359:30
7:00
+0:10
21M
21.00 mi12:23:112:19:016:387:35
7:35
+0:35
35K
21.75 mi12:28:162:24:066:385:05
6:48
-0:47
23M
23.00 mi12:37:112:33:016:408:55
7:08
+0:20
24M
24.00 mi12:44:132:40:036:417:02
7:02
-0:06
40K
24.85 mi12:50:242:46:146:426:11
7:14
+0:12
25.2M
25.20 mi12:53:062:48:566:432:42
7:50
+0:36
FINISH
26.22 mi13:00:082:55:586:437:02
6:55
-0:55

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

πŸ“ˆPace 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

6:23 /mi

Average Pace

6:43 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

1:24:35

48% of race

Time at Steady Pace

1:06:00

38% of race

Time at Slower Pace

25:23

14% of race

Average Pace: 6:43 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:23:5819:486:2319:48
6:23
#3246
10K
6.21 mi10:43:5439:446:2419:56
6:25
#3448
15K
9.32 mi11:03:5959:496:2620:05
6:28
#3596
20K
12.43 mi11:24:231:20:136:2820:24
6:34
#3737
HALF
13.11 mi11:28:451:24:356:284:22
6:25
#3740
25K
15.53 mi11:44:551:40:456:3016:10
6:40
#3844
30K
18.64 mi12:06:062:01:566:3321:11
6:50
#3919
20M
20.00 mi12:15:362:11:266:359:30
7:00
#3971
21M
21.00 mi12:23:112:19:016:387:35
7:35
#4109
35K
21.75 mi12:28:162:24:066:385:05
6:48
#4130
23M
23.00 mi12:37:112:33:016:408:55
7:08
#4210
24M
24.00 mi12:44:132:40:036:417:02
7:02
#4276
40K
24.85 mi12:50:242:46:146:426:11
7:14
#4379
25.2M
25.20 mi12:53:062:48:566:432:42
7:50
#4406
FINISH
26.22 mi13:00:082:55:586:437:02
6:55
#4485
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3246310031003966(Top 14%)3772(Top 23%)3772(Top 172%)
10K6.21 mi3.10 mi3448-2023296-1963296-1963636(Top 13%)3464(Top 21%)3464(Top 158%)
15K9.32 mi3.11 mi3596-1483431-1353431-1353966(Top 14%)3772(Top 23%)3772(Top 172%)
20K12.43 mi3.11 mi3737-1413561-1303561-1304206(Top 14%)3971(Top 24%)3971(Top 181%)
HALF13.11 mi0.68 mi3740-33563-23563-23787(Top 13%)3604(Top 22%)3604(Top 164%)
25K15.53 mi2.42 mi3844-1043662-993662-994594(Top 16%)4273(Top 26%)4273(Top 194%)
30K18.64 mi3.11 mi3919-753712-503712-504507(Top 16%)4134(Top 25%)4134(Top 188%)
20M20.00 mi1.36 mi3971-523748-363748-365468(Top 19%)4853(Top 30%)4853(Top 221%)
21M21.00 mi1.00 mi4109-1383862-1143862-1146984(Top 24%)5754(Top 35%)5754(Top 262%)
35K21.75 mi0.75 mi4130-213875-133875-135588(Top 19%)4858(Top 30%)4858(Top 221%)
23M23.00 mi1.25 mi4210-803942-673942-676272(Top 22%)5273(Top 32%)5273(Top 240%)
24M24.00 mi1.00 mi4276-663983-413983-416656(Top 23%)5458(Top 33%)5458(Top 248%)
40K24.85 mi0.85 mi4379-1034056-734056-736912(Top 24%)5543(Top 34%)5543(Top 252%)
25.2M25.20 mi0.35 mi4406-274073-174073-177152(Top 25%)5598(Top 34%)5598(Top 255%)
FINISH26.22 mi1.02 mi4485-794134-614134-616770(Top 23%)5352(Top 33%)5352(Top 243%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
Γ—21
+97ft-345ft

Overall

3966

Males

3772

M40-44

3772

5K→10K

3.1 - 6.2 mi

Top 13%
Γ—5
+79ft-138ft

Overall

3636

Males

3464

M40-44

3464

10K→15K

6.2 - 9.3 mi

Top 14%
Γ—3
+67ft-78ft

Overall

3966

Males

3772

M40-44

3772

15K→20K

9.3 - 12.4 mi

Top 14%
Γ—5
+106ft-86ft

Overall

4206

Males

3971

M40-44

3971

20K→HALF

12.4 - 13.1 mi

Top 13%
Γ—2
+19ft-37ft

Overall

3787

Males

3604

M40-44

3604

HALF→25K

13.1 - 15.5 mi

Top 16%
Γ—4
+66ft-88ft

Overall

4594

Males

4273

M40-44

4273

25K→30K

15.5 - 18.6 mi

Top 16%
Γ—9
+181ft-148ft

Overall

4507

Males

4134

M40-44

4134

30K→20M

18.6 - 20.0 mi

Top 19%
Γ—5
+64ft-50ft

Overall

5468

Males

4853

M40-44

4853

20M→21M

20.0 - 21.0 mi

Top 24%
Γ—8
+106ft-24ft

Overall

6984

Males

5754

M40-44

5754

21M→35K

21.0 - 21.8 mi

Top 19%
Γ—7
+17ft-86ft

Overall

5588

Males

4858

M40-44

4858

35K→23M

21.8 - 23.0 mi

Top 22%
Γ—5
+23ft-63ft

Overall

6272

Males

5273

M40-44

5273

23M→24M

23.0 - 24.0 mi

Top 23%
Γ—6
+12ft-82ft

Overall

6656

Males

5458

M40-44

5458

24M→40K

24.0 - 24.9 mi

Top 24%
Γ—1
+6ft-20ft

Overall

6912

Males

5543

M40-44

5543

40K→25.2M

24.9 - 25.2 mi

Top 25%
Γ—1
+13ft-16ft

Overall

7152

Males

5598

M40-44

5598

25.2M→FINISH

25.2 - 26.2 mi

Top 23%
Γ—2
+22ft-21ft

Overall

6770

Males

5352

M40-44

5352

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
543
Passed By
1704
Net Change
-1239
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#3246
5K β†’ 10K76200-202#3246#3448
10K β†’ 15K35183-148#3448#3596
15K β†’ 20K49190-141#3596#3737
20K β†’ HALF1215-3#3737#3740
HALF β†’ 25K46150-104#3740#3844
25K β†’ 30K69144-75#3844#3919
30K β†’ 20M4597-52#3919#3971
20M β†’ 21M22160-138#3971#4109
21M β†’ 35K2748-21#4109#4130
35K β†’ 23M46126-80#4130#4210
23M β†’ 24M35101-66#4210#4276
24M β†’ 40K26129-103#4276#4379
40K β†’ 25.2M1845-27#4379#4406
25.2M β†’ FINISH37116-79#4406#4485
TOTALS5431704-1239
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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Activity Data

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