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BOSTON MARATHON 2026

Laurent Kocinski

Bib: 31863•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M50-54)
#0 / 1868
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
28:27
3.11 mi
Rank: #23301
Start → 5K
28:27 | 9:10/mi
10K
57:22
6.21 mi
Rank: #23662 (-361)
5K → 10K
28:55 | 9:19/mi
15K
1:25:27
9.32 mi
Rank: #23439 (+223)
10K → 15K
28:05 | 9:03/mi
20K
1:54:18
12.43 mi
Rank: #23349 (+90)
15K → 20K
28:51 | 9:18/mi
HALF
2:00:36
13.11 mi
Rank: #23368 (-19)
20K → HALF
6:18 | 9:15/mi
25K
2:22:07
15.53 mi
Rank: #22932 (+436)
HALF → 25K
21:31 | 8:53/mi
30K
2:51:23
18.64 mi
Rank: #22608 (+324)
25K → 30K
29:16 | 9:26/mi
20M
3:04:40
20.00 mi
Rank: #22561 (+47)
30K → 20M
13:17 | 9:47/mi
21M
3:15:05
21.00 mi
Rank: #22498 (+63)
20M → 21M
10:25 | 10:25/mi
35K
3:22:05
21.75 mi
Rank: #22435 (+63)
21M → 35K
7:00 | 9:22/mi
23M
3:33:59
23.00 mi
Rank: #22330 (+105)
35K → 23M
11:54 | 9:31/mi
24M
3:43:33
24.00 mi
Rank: #22279 (+51)
23M → 24M
9:34 | 9:34/mi
40K
3:52:18
24.85 mi
Rank: #22292 (-13)
24M → 40K
8:45 | 10:15/mi
25.2M
3:56:17
25.20 mi
Rank: #22318 (-26)
40K → 25.2M
3:59 | 11:34/mi
FINISH
4:06:22
26.22 mi
Rank: #22372 (-54)
25.2M → FINISH
10:05 | 9:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:00:36
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:05:46
Pace9:36 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4428:279:1028:27
9:10
-
10K
6.21 mi12:24:3957:229:1428:55
9:19
+0:09
15K
9.32 mi12:52:441:25:279:1128:05
9:03
-0:16
20K
12.43 mi13:21:351:54:189:1228:51
9:18
+0:15
HALF
13.11 mi13:27:532:00:369:126:18
9:15
-0:03
25K
15.53 mi13:49:242:22:079:0921:31
8:53
-0:22
30K
18.64 mi14:18:402:51:239:1229:16
9:26
+0:33
20M
20.00 mi14:31:573:04:409:1513:17
9:47
+0:21
21M
21.00 mi14:42:223:15:059:1810:25
10:25
+0:38
35K
21.75 mi14:49:223:22:059:187:00
9:22
-1:03
23M
23.00 mi15:01:163:33:599:1911:54
9:31
+0:09
24M
24.00 mi15:10:503:43:339:199:34
9:34
+0:03
40K
24.85 mi15:19:353:52:189:218:45
10:15
+0:41
25.2M
25.20 mi15:23:343:56:179:233:59
11:34
+1:19
FINISH
26.22 mi15:33:394:06:229:2510:05
9:54
-1:40

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

8:53 /mi

Average Pace

9:24 /mi

Slowest Pace

11:34 /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

49:36

20% of race

Time at Steady Pace

2:30:15

61% of race

Time at Slower Pace

46:31

19% of race

Average Pace: 9:24 /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 mi11:55:4428:279:1028:27
9:10
#23301
10K
6.21 mi12:24:3957:229:1428:55
9:19
#23662
15K
9.32 mi12:52:441:25:279:1128:05
9:03
#23439
20K
12.43 mi13:21:351:54:189:1228:51
9:18
#23349
HALF
13.11 mi13:27:532:00:369:126:18
9:15
#23368
25K
15.53 mi13:49:242:22:079:0921:31
8:53
#22932
30K
18.64 mi14:18:402:51:239:1229:16
9:26
#22608
20M
20.00 mi14:31:573:04:409:1513:17
9:47
#22561
21M
21.00 mi14:42:223:15:059:1810:25
10:25
#22498
35K
21.75 mi14:49:223:22:059:187:00
9:22
#22435
23M
23.00 mi15:01:163:33:599:1911:54
9:31
#22330
24M
24.00 mi15:10:503:43:339:199:34
9:34
#22279
40K
24.85 mi15:19:353:52:189:218:45
10:15
#22292
25.2M
25.20 mi15:23:343:56:179:233:59
11:34
#22318
FINISH
26.22 mi15:33:394:06:229:2510:05
9:54
#22372
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23301138851388522879(Top 79%)13707(Top 84%)13707(Top 734%)
10K6.21 mi3.10 mi23662-36114071-18614071-18623990(Top 83%)14238(Top 87%)14238(Top 762%)
15K9.32 mi3.11 mi23439+22313961+11013961+11022879(Top 79%)13707(Top 84%)13707(Top 734%)
20K12.43 mi3.11 mi23349+9013922+3913922+3923082(Top 80%)13771(Top 84%)13771(Top 737%)
HALF13.11 mi0.68 mi23368-1913926-413926-423587(Top 81%)14012(Top 86%)14012(Top 750%)
25K15.53 mi2.42 mi22932+43613702+22413702+22420571(Top 71%)12535(Top 77%)12535(Top 671%)
30K18.64 mi3.11 mi22608+32413509+19313509+19321363(Top 74%)12828(Top 79%)12828(Top 687%)
20M20.00 mi1.36 mi22561+4713472+3713472+3721966(Top 76%)13045(Top 80%)13045(Top 698%)
21M21.00 mi1.00 mi22498+6313434+3813434+3821718(Top 75%)12891(Top 79%)12891(Top 690%)
35K21.75 mi0.75 mi22435+6313400+3413400+3421339(Top 74%)12650(Top 77%)12650(Top 677%)
23M23.00 mi1.25 mi22330+10513332+6813332+6820624(Top 71%)12280(Top 75%)12280(Top 657%)
24M24.00 mi1.00 mi22279+5113290+4213290+4221551(Top 74%)12650(Top 77%)12650(Top 677%)
40K24.85 mi0.85 mi22292-1313283+713283+722525(Top 78%)13077(Top 80%)13077(Top 700%)
25.2M25.20 mi0.35 mi22318-2613287-413287-423561(Top 81%)13563(Top 83%)13563(Top 726%)
FINISH26.22 mi1.02 mi22372-5413298-1113298-1123547(Top 81%)13566(Top 83%)13566(Top 726%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21
+97ft-345ft

Overall

22879

Males

13707

M50-54

13707

5K→10K

3.1 - 6.2 mi

Top 83%
×5
+79ft-138ft

Overall

23990

Males

14238

M50-54

14238

10K→15K

6.2 - 9.3 mi

Top 79%
×3
+67ft-78ft

Overall

22879

Males

13707

M50-54

13707

15K→20K

9.3 - 12.4 mi

Top 80%
×5
+106ft-86ft

Overall

23082

Males

13771

M50-54

13771

20K→HALF

12.4 - 13.1 mi

Top 81%
×2
+19ft-37ft

Overall

23587

Males

14012

M50-54

14012

HALF→25K

13.1 - 15.5 mi

Top 71%
×4
+66ft-88ft

Overall

20571

Males

12535

M50-54

12535

25K→30K

15.5 - 18.6 mi

Top 74%
×9
+181ft-148ft

Overall

21363

Males

12828

M50-54

12828

30K→20M

18.6 - 20.0 mi

Top 76%
×5
+64ft-50ft

Overall

21966

Males

13045

M50-54

13045

20M→21M

20.0 - 21.0 mi

Top 75%
×8
+106ft-24ft

Overall

21718

Males

12891

M50-54

12891

21M→35K

21.0 - 21.8 mi

Top 74%
×7
+17ft-86ft

Overall

21339

Males

12650

M50-54

12650

35K→23M

21.8 - 23.0 mi

Top 71%
×5
+23ft-63ft

Overall

20624

Males

12280

M50-54

12280

23M→24M

23.0 - 24.0 mi

Top 74%
×6
+12ft-82ft

Overall

21551

Males

12650

M50-54

12650

24M→40K

24.0 - 24.9 mi

Top 78%
×1
+6ft-20ft

Overall

22525

Males

13077

M50-54

13077

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1
+13ft-16ft

Overall

23561

Males

13563

M50-54

13563

25.2M→FINISH

25.2 - 26.2 mi

Top 81%
×2
+22ft-21ft

Overall

23547

Males

13566

M50-54

13566

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1955*
Passed By
766
Net Change
+929
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23301
5K → 10K99200-361#23301#23662
10K → 15K288*65+223#23662#23439
15K → 20K193103+90#23439#23349
20K → HALF2342-19#23349#23368
HALF → 25K440*4+436#23368#22932
25K → 30K344*20+324#22932#22608
30K → 20M10659+47#22608#22561
20M → 21M9936+63#22561#22498
21M → 35K7714+63#22498#22435
35K → 23M12924+105#22435#22330
23M → 24M8635+51#22330#22279
24M → 40K4457-13#22279#22292
40K → 25.2M834-26#22292#22318
25.2M → FINISH1973-54#22318#22372
TOTALS1955*766+929

* 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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing