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BOSTON MARATHON 2026

Slawomir Mekarski

Bib: 21120•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 (M60-64)
#0 / 1514
Top 29%
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
24:34
3.11 mi
Rank: #16246
Start → 5K
24:34 | 7:55/mi
10K
49:08
6.21 mi
Rank: #16356 (-110)
5K → 10K
24:34 | 7:55/mi
15K
1:13:42
9.32 mi
Rank: #16323 (+33)
10K → 15K
24:34 | 7:55/mi
20K
1:38:39
12.43 mi
Rank: #16330 (-7)
15K → 20K
24:57 | 8:02/mi
HALF
1:44:01
13.11 mi
Rank: #16312 (+18)
20K → HALF
5:22 | 7:53/mi
25K
2:03:45
15.53 mi
Rank: #16312
HALF → 25K
19:44 | 8:09/mi
30K
2:29:38
18.64 mi
Rank: #16187 (+125)
25K → 30K
25:53 | 8:20/mi
20M
2:41:12
20.00 mi
Rank: #16185 (+2)
30K → 20M
11:34 | 8:31/mi
21M
2:50:44
21.00 mi
Rank: #16316 (-131)
20M → 21M
9:32 | 9:32/mi
35K
2:56:49
21.75 mi
Rank: #16256 (+60)
21M → 35K
6:05 | 8:08/mi
23M
3:07:56
23.00 mi
Rank: #16337 (-81)
35K → 23M
11:07 | 8:53/mi
24M
3:16:16
24.00 mi
Rank: #16293 (+44)
23M → 24M
8:20 | 8:20/mi
40K
3:23:56
24.85 mi
Rank: #16358 (-65)
24M → 40K
7:40 | 8:59/mi
25.2M
3:27:20
25.20 mi
Rank: #16413 (-55)
40K → 25.2M
3:24 | 9:52/mi
FINISH
3:36:13
26.22 mi
Rank: #16532 (-119)
25.2M → FINISH
8:53 | 8:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:44:01
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:52:12
Pace8:34 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:1924:347:5524:34
7:55
-
10K
6.21 mi11:34:5349:087:5524:34
7:55
0:00
15K
9.32 mi11:59:271:13:427:5524:34
7:55
0:00
20K
12.43 mi12:24:241:38:397:5724:57
8:02
+0:07
HALF
13.11 mi12:29:461:44:017:575:22
7:53
-0:09
25K
15.53 mi12:49:302:03:457:5819:44
8:09
+0:16
30K
18.64 mi13:15:232:29:388:0225:53
8:20
+0:11
20M
20.00 mi13:26:572:41:128:0411:34
8:31
+0:11
21M
21.00 mi13:36:292:50:448:089:32
9:32
+1:01
35K
21.75 mi13:42:342:56:498:086:05
8:08
-1:24
23M
23.00 mi13:53:413:07:568:1111:07
8:53
+0:45
24M
24.00 mi14:02:013:16:168:118:20
8:20
-0:33
40K
24.85 mi14:09:413:23:568:137:40
8:59
+0:39
25.2M
25.20 mi14:13:053:27:208:143:24
9:52
+0:53
FINISH
26.22 mi14:21:583:36:138:168:53
8:44
-1:08

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

7:53 /mi

Average Pace

8:15 /mi

Slowest Pace

9:52 /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

1:44:01

48% of race

Time at Steady Pace

1:11:36

33% of race

Time at Slower Pace

40:36

19% of race

Average Pace: 8:15 /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 mi11:10:1924:347:5524:34
7:55
#16246
10K
6.21 mi11:34:5349:087:5524:34
7:55
#16356
15K
9.32 mi11:59:271:13:427:5524:34
7:55
#16323
20K
12.43 mi12:24:241:38:397:5724:57
8:02
#16330
HALF
13.11 mi12:29:461:44:017:575:22
7:53
#16312
25K
15.53 mi12:49:302:03:457:5819:44
8:09
#16312
30K
18.64 mi13:15:232:29:388:0225:53
8:20
#16187
20M
20.00 mi13:26:572:41:128:0411:34
8:31
#16185
21M
21.00 mi13:36:292:50:448:089:32
9:32
#16316
35K
21.75 mi13:42:342:56:498:086:05
8:08
#16256
23M
23.00 mi13:53:413:07:568:1111:07
8:53
#16337
24M
24.00 mi14:02:013:16:168:118:20
8:20
#16293
40K
24.85 mi14:09:413:23:568:137:40
8:59
#16358
25.2M
25.20 mi14:13:053:27:208:143:24
9:52
#16413
FINISH
26.22 mi14:21:583:36:138:168:53
8:44
#16532
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi16246107131071316250(Top 56%)10703(Top 66%)10703(Top 707%)
10K6.21 mi3.10 mi16356-11010745-3210745-3216514(Top 57%)10812(Top 66%)10812(Top 714%)
15K9.32 mi3.11 mi16323+3310717+2810717+2816250(Top 56%)10703(Top 66%)10703(Top 707%)
20K12.43 mi3.11 mi16330-710721-410721-416326(Top 56%)10693(Top 65%)10693(Top 706%)
HALF13.11 mi0.68 mi16312+1810703+1810703+1816104(Top 55%)10642(Top 65%)10642(Top 703%)
25K15.53 mi2.42 mi1631210694+910694+916371(Top 56%)10671(Top 65%)10671(Top 705%)
30K18.64 mi3.11 mi16187+12510597+9710597+9715826(Top 55%)10342(Top 63%)10342(Top 683%)
20M20.00 mi1.36 mi16185+210588+910588+916275(Top 56%)10424(Top 64%)10424(Top 689%)
21M21.00 mi1.00 mi16316-13110629-4110629-4118630(Top 64%)11427(Top 70%)11427(Top 755%)
35K21.75 mi0.75 mi16256+6010581+4810581+4815335(Top 53%)9916(Top 61%)9916(Top 655%)
23M23.00 mi1.25 mi16337-8110610-2910610-2917884(Top 62%)10918(Top 67%)10918(Top 721%)
24M24.00 mi1.00 mi16293+4410561+4910561+4915896(Top 55%)9999(Top 61%)9999(Top 660%)
40K24.85 mi0.85 mi16358-6510571-1010571-1018208(Top 63%)10987(Top 67%)10987(Top 726%)
25.2M25.20 mi0.35 mi16413-5510585-1410585-1418805(Top 65%)11271(Top 69%)11271(Top 744%)
FINISH26.22 mi1.02 mi16532-11910620-3510620-3519217(Top 66%)11476(Top 70%)11476(Top 758%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21
+97ft-345ft

Overall

16250

Males

10703

M60-64

10703

5K→10K

3.1 - 6.2 mi

Top 57%
×5
+79ft-138ft

Overall

16514

Males

10812

M60-64

10812

10K→15K

6.2 - 9.3 mi

Top 56%
×3
+67ft-78ft

Overall

16250

Males

10703

M60-64

10703

15K→20K

9.3 - 12.4 mi

Top 56%
×5
+106ft-86ft

Overall

16326

Males

10693

M60-64

10693

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

16104

Males

10642

M60-64

10642

HALF→25K

13.1 - 15.5 mi

Top 56%
×4
+66ft-88ft

Overall

16371

Males

10671

M60-64

10671

25K→30K

15.5 - 18.6 mi

Top 55%
×9
+181ft-148ft

Overall

15826

Males

10342

M60-64

10342

30K→20M

18.6 - 20.0 mi

Top 56%
×5
+64ft-50ft

Overall

16275

Males

10424

M60-64

10424

20M→21M

20.0 - 21.0 mi

Top 64%
×8
+106ft-24ft

Overall

18630

Males

11427

M60-64

11427

21M→35K

21.0 - 21.8 mi

Top 53%
×7
+17ft-86ft

Overall

15335

Males

9916

M60-64

9916

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

17884

Males

10918

M60-64

10918

23M→24M

23.0 - 24.0 mi

Top 55%
×6
+12ft-82ft

Overall

15896

Males

9999

M60-64

9999

24M→40K

24.0 - 24.9 mi

Top 63%
×1
+6ft-20ft

Overall

18208

Males

10987

M60-64

10987

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1
+13ft-16ft

Overall

18805

Males

11271

M60-64

11271

25.2M→FINISH

25.2 - 26.2 mi

Top 66%
×2
+22ft-21ft

Overall

19217

Males

11476

M60-64

11476

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1562
Passed By
1848
Net Change
-286
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16246
5K → 10K219329-110#16246#16356
10K → 15K221188+33#16356#16323
15K → 20K182189-7#16323#16330
20K → HALF4022+18#16330#16312
HALF → 25K1501500#16312#16312
25K → 30K251126+125#16312#16187
30K → 20M9189+2#16187#16185
20M → 21M61192-131#16185#16316
21M → 35K8828+60#16316#16256
35K → 23M68149-81#16256#16337
23M → 24M9248+44#16337#16293
24M → 40K49114-65#16293#16358
40K → 25.2M1873-55#16358#16413
25.2M → FINISH32151-119#16413#16532
TOTALS15621848-286
📊

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