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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Aleksei Leonov

Bib: 5553 •M •Age: N/A

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 11%
Gender (Male)
#0 / 16340
Top 19%
Age Group (M18-39)
#0 / 5723
Top 43%
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
20:11
3.11 mi
Rank: #4149
Start → 5K
20:11 | 6:30/mi
10K
40:11
6.21 mi
Rank: #3909 (+240)
5K → 10K
20:00 | 6:27/mi
15K
1:00:09
9.32 mi
Rank: #3834 (+75)
10K → 15K
19:58 | 6:26/mi
20K
1:20:35
12.43 mi
Rank: #3939 (-105)
15K → 20K
20:26 | 6:35/mi
HALF
1:24:57
13.11 mi
Rank: #3925 (+14)
20K → HALF
4:22 | 6:25/mi
25K
1:40:50
15.53 mi
Rank: #3880 (+45)
HALF → 25K
15:53 | 6:33/mi
30K
2:01:38
18.64 mi
Rank: #3787 (+93)
25K → 30K
20:48 | 6:42/mi
20M
2:10:42
20.00 mi
Rank: #3707 (+80)
30K → 20M
9:04 | 6:41/mi
21M
2:17:42
21.00 mi
Rank: #3667 (+40)
20M → 21M
7:00 | 7:00/mi
35K
2:22:33
21.75 mi
Rank: #3636 (+31)
21M → 35K
4:51 | 6:29/mi
23M
2:30:56
23.00 mi
Rank: #3590 (+46)
35K → 23M
8:23 | 6:42/mi
24M
2:37:19
24.00 mi
Rank: #3507 (+83)
23M → 24M
6:23 | 6:23/mi
40K
2:42:53
24.85 mi
Rank: #3432 (+75)
24M → 40K
5:34 | 6:31/mi
25.2M
2:45:16
25.20 mi
Rank: #3384 (+48)
40K → 25.2M
2:23 | 6:55/mi
FINISH
2:51:25
26.22 mi
Rank: #3283 (+101)
25.2M → FINISH
6:09 | 6:03/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
Time1:24:57
Pace6:29 /mi
2nd Half
Distance13.11 mi
Time1:26:28
Pace6:36 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:4920:116:3020:11
6:30
-
10K
6.21 mi10:43:4940:116:2920:00
6:27
-0:03
15K
9.32 mi11:03:471:00:096:2819:58
6:26
-0:01
20K
12.43 mi11:24:131:20:356:3020:26
6:35
+0:09
HALF
13.11 mi11:28:351:24:576:294:22
6:25
-0:10
25K
15.53 mi11:44:281:40:506:3015:53
6:33
+0:08
30K
18.64 mi12:05:162:01:386:3220:48
6:42
+0:09
20M
20.00 mi12:14:202:10:426:339:04
6:41
-0:01
21M
21.00 mi12:21:202:17:426:347:00
7:00
+0:19
35K
21.75 mi12:26:112:22:336:344:51
6:29
-0:31
23M
23.00 mi12:34:342:30:566:348:23
6:42
+0:13
24M
24.00 mi12:40:572:37:196:346:23
6:23
-0:19
40K
24.85 mi12:46:312:42:536:345:34
6:31
+0:08
25.2M
25.20 mi12:48:542:45:166:342:23
6:55
+0:24
FINISH
26.22 mi12:55:032:51:256:336:09
6:03
-0:52

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

6:03 /mi

Average Pace

6:33 /mi

Slowest Pace

7:00 /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

2:03:47

72% of race

Time at Steady Pace

47:38

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:32 /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 mi10:23:4920:116:3020:11
6:30
#4149
10K
6.21 mi10:43:4940:116:2920:00
6:27
#3909
15K
9.32 mi11:03:471:00:096:2819:58
6:26
#3834
20K
12.43 mi11:24:131:20:356:3020:26
6:35
#3939
HALF
13.11 mi11:28:351:24:576:294:22
6:25
#3925
25K
15.53 mi11:44:281:40:506:3015:53
6:33
#3880
30K
18.64 mi12:05:162:01:386:3220:48
6:42
#3787
20M
20.00 mi12:14:202:10:426:339:04
6:41
#3707
21M
21.00 mi12:21:202:17:426:347:00
7:00
#3667
35K
21.75 mi12:26:112:22:336:344:51
6:29
#3636
23M
23.00 mi12:34:342:30:566:348:23
6:42
#3590
24M
24.00 mi12:40:572:37:196:346:23
6:23
#3507
40K
24.85 mi12:46:312:42:536:345:34
6:31
#3432
25.2M
25.20 mi12:48:542:45:166:342:23
6:55
#3384
FINISH
26.22 mi12:55:032:51:256:336:09
6:03
#3283
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4149393839383682(Top 13%)3515(Top 22%)3515(Top 61%)
10K6.21 mi3.10 mi3909+2403717+2213717+2213761(Top 13%)3577(Top 22%)3577(Top 63%)
15K9.32 mi3.11 mi3834+753650+673650+673682(Top 13%)3515(Top 22%)3515(Top 61%)
20K12.43 mi3.11 mi3939-1053750-1003750-1004252(Top 15%)4008(Top 25%)4008(Top 70%)
HALF13.11 mi0.68 mi3925+143737+133737+133728(Top 13%)3545(Top 22%)3545(Top 62%)
25K15.53 mi2.42 mi3880+453691+463691+463750(Top 13%)3540(Top 22%)3540(Top 62%)
30K18.64 mi3.11 mi3787+933600+913600+913654(Top 13%)3421(Top 21%)3421(Top 60%)
20M20.00 mi1.36 mi3707+803522+783522+783321(Top 11%)3097(Top 19%)3097(Top 54%)
21M21.00 mi1.00 mi3667+403482+403482+403433(Top 12%)3149(Top 19%)3149(Top 55%)
35K21.75 mi0.75 mi3636+313448+343448+343467(Top 12%)3196(Top 20%)3196(Top 56%)
23M23.00 mi1.25 mi3590+463404+443404+443452(Top 12%)3150(Top 19%)3150(Top 55%)
24M24.00 mi1.00 mi3507+833326+783326+782575(Top 9%)2386(Top 15%)2386(Top 42%)
40K24.85 mi0.85 mi3432+753252+743252+742601(Top 9%)2393(Top 15%)2393(Top 42%)
25.2M25.20 mi0.35 mi3384+483208+443208+442294(Top 8%)2115(Top 13%)2115(Top 37%)
FINISH26.22 mi1.02 mi3283+1013113+953113+951783(Top 6%)1664(Top 10%)1664(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21
+97ft-345ft

Overall

3682

Males

3515

M18-39

3515

5K→10K

3.1 - 6.2 mi

Top 13%
×5
+79ft-138ft

Overall

3761

Males

3577

M18-39

3577

10K→15K

6.2 - 9.3 mi

Top 13%
×3
+67ft-78ft

Overall

3682

Males

3515

M18-39

3515

15K→20K

9.3 - 12.4 mi

Top 15%
×5
+106ft-86ft

Overall

4252

Males

4008

M18-39

4008

20K→HALF

12.4 - 13.1 mi

Top 13%
×2
+19ft-37ft

Overall

3728

Males

3545

M18-39

3545

HALF→25K

13.1 - 15.5 mi

Top 13%
×4
+66ft-88ft

Overall

3750

Males

3540

M18-39

3540

25K→30K

15.5 - 18.6 mi

Top 13%
×9
+181ft-148ft

Overall

3654

Males

3421

M18-39

3421

30K→20M

18.6 - 20.0 mi

Top 11%
×5
+64ft-50ft

Overall

3321

Males

3097

M18-39

3097

20M→21M

20.0 - 21.0 mi

Top 12%
×8
+106ft-24ft

Overall

3433

Males

3149

M18-39

3149

21M→35K

21.0 - 21.8 mi

Top 12%
×7
+17ft-86ft

Overall

3467

Males

3196

M18-39

3196

35K→23M

21.8 - 23.0 mi

Top 12%
×5
+23ft-63ft

Overall

3452

Males

3150

M18-39

3150

23M→24M

23.0 - 24.0 mi

Top 9%
×6
+12ft-82ft

Overall

2575

Males

2386

M18-39

2386

24M→40K

24.0 - 24.9 mi

Top 9%
×1
+6ft-20ft

Overall

2601

Males

2393

M18-39

2393

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1
+13ft-16ft

Overall

2294

Males

2115

M18-39

2115

25.2M→FINISH

25.2 - 26.2 mi

Top 6%
×2
+22ft-21ft

Overall

1783

Males

1664

M18-39

1664

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1354*
Passed By
488
Net Change
+866
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4149
5K → 10K303*63+240#4149#3909
10K → 15K12752+75#3909#3834
15K → 20K55160-105#3834#3939
20K → HALF217+14#3939#3925
HALF → 25K9146+45#3925#3880
25K → 30K14754+93#3880#3787
30K → 20M10020+80#3787#3707
20M → 21M6020+40#3707#3667
21M → 35K4110+31#3667#3636
35K → 23M7529+46#3636#3590
23M → 24M9310+83#3590#3507
24M → 40K838+75#3507#3432
40K → 25.2M502+48#3432#3384
25.2M → FINISH1087+101#3384#3283
TOTALS1354*488+866

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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