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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Robert Zelisko

Bib: 14829 β€’M β€’Age: N/A

BC

Boston Marathon logo
0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 42%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 44%
Age Group (M50-54)
#0 / 1868
Top 49%
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
23:18
3.11 mi
Rank: #12759
Start β†’ 5K
23:18 | 7:30/mi
10K
46:20
6.21 mi
Rank: #12457 (+302)
5K β†’ 10K
23:02 | 7:25/mi
15K
1:09:29
9.32 mi
Rank: #12418 (+39)
10K β†’ 15K
23:09 | 7:28/mi
20K
1:32:40
12.43 mi
Rank: #12213 (+205)
15K β†’ 20K
23:11 | 7:28/mi
HALF
1:37:47
13.11 mi
Rank: #12245 (-32)
20K β†’ HALF
5:07 | 7:31/mi
25K
1:56:10
15.53 mi
Rank: #12210 (+35)
HALF β†’ 25K
18:23 | 7:35/mi
30K
2:20:43
18.64 mi
Rank: #12273 (-63)
25K β†’ 30K
24:33 | 7:55/mi
20M
2:31:32
20.00 mi
Rank: #12293 (-20)
30K β†’ 20M
10:49 | 7:58/mi
21M
2:40:02
21.00 mi
Rank: #12320 (-27)
20M β†’ 21M
8:30 | 8:30/mi
35K
2:45:58
21.75 mi
Rank: #12378 (-58)
21M β†’ 35K
5:56 | 7:56/mi
23M
2:55:51
23.00 mi
Rank: #12316 (+62)
35K β†’ 23M
9:53 | 7:54/mi
24M
3:03:38
24.00 mi
Rank: #12284 (+32)
23M β†’ 24M
7:47 | 7:47/mi
40K
3:10:25
24.85 mi
Rank: #12244 (+40)
24M β†’ 40K
6:47 | 7:57/mi
25.2M
3:13:21
25.20 mi
Rank: #12222 (+22)
40K β†’ 25.2M
2:56 | 8:31/mi
FINISH
3:21:00
26.22 mi
Rank: #12171 (+51)
25.2M β†’ FINISH
7:39 | 7:31/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:37:47
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:43:13
Pace7:53 /mi
πŸ“ŠPositive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5023:187:3023:18
7:30
-
10K
6.21 mi11:16:5246:207:2823:02
7:25
-0:05
15K
9.32 mi11:40:011:09:297:2823:09
7:28
+0:03
20K
12.43 mi12:03:121:32:407:2823:11
7:28
0:00
HALF
13.11 mi12:08:191:37:477:285:07
7:31
+0:03
25K
15.53 mi12:26:421:56:107:2918:23
7:35
+0:04
30K
18.64 mi12:51:152:20:437:3324:33
7:55
+0:20
20M
20.00 mi13:02:042:31:327:3510:49
7:58
+0:03
21M
21.00 mi13:10:342:40:027:388:30
8:30
+0:32
35K
21.75 mi13:16:302:45:587:385:56
7:56
-0:34
23M
23.00 mi13:26:232:55:517:399:53
7:54
-0:02
24M
24.00 mi13:34:103:03:387:407:47
7:47
-0:07
40K
24.85 mi13:40:573:10:257:406:47
7:57
+0:10
25.2M
25.20 mi13:43:533:13:217:412:56
8:31
+0:34
FINISH
26.22 mi13:51:323:21:007:417:39
7:31
-1:00

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

7:25 /mi

Average Pace

7:40 /mi

Slowest Pace

8:31 /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

3:09:34

94% of race

Time at Steady Pace

11:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:40 /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 mi10:53:5023:187:3023:18
7:30
#12759
10K
6.21 mi11:16:5246:207:2823:02
7:25
#12457
15K
9.32 mi11:40:011:09:297:2823:09
7:28
#12418
20K
12.43 mi12:03:121:32:407:2823:11
7:28
#12213
HALF
13.11 mi12:08:191:37:477:285:07
7:31
#12245
25K
15.53 mi12:26:421:56:107:2918:23
7:35
#12210
30K
18.64 mi12:51:152:20:437:3324:33
7:55
#12273
20M
20.00 mi13:02:042:31:327:3510:49
7:58
#12293
21M
21.00 mi13:10:342:40:027:388:30
8:30
#12320
35K
21.75 mi13:16:302:45:587:385:56
7:56
#12378
23M
23.00 mi13:26:232:55:517:399:53
7:54
#12316
24M
24.00 mi13:34:103:03:387:407:47
7:47
#12284
40K
24.85 mi13:40:573:10:257:406:47
7:57
#12244
25.2M
25.20 mi13:43:533:13:217:412:56
8:31
#12222
FINISH
26.22 mi13:51:323:21:007:417:39
7:31
#12171
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 mi127599361936112386(Top 43%)9108(Top 56%)9108(Top 488%)
10K6.21 mi3.10 mi12457+3029207+1549207+15412187(Top 42%)9076(Top 56%)9076(Top 486%)
15K9.32 mi3.11 mi12418+399175+329175+3212386(Top 43%)9108(Top 56%)9108(Top 488%)
20K12.43 mi3.11 mi12213+2059051+1249051+12411630(Top 40%)8686(Top 53%)8686(Top 465%)
HALF13.11 mi0.68 mi12245-329062-119062-1113006(Top 45%)9355(Top 57%)9355(Top 501%)
25K15.53 mi2.42 mi12210+359014+489014+4812090(Top 42%)8826(Top 54%)8826(Top 472%)
30K18.64 mi3.11 mi12273-638990+248990+2412744(Top 44%)8985(Top 55%)8985(Top 481%)
20M20.00 mi1.36 mi12293-208979+118979+1112541(Top 43%)8800(Top 54%)8800(Top 471%)
21M21.00 mi1.00 mi12320-278965+148965+1413080(Top 45%)8940(Top 55%)8940(Top 479%)
35K21.75 mi0.75 mi12378-588973-88973-813941(Top 48%)9280(Top 57%)9280(Top 497%)
23M23.00 mi1.25 mi12316+628920+538920+5311730(Top 40%)8227(Top 50%)8227(Top 440%)
24M24.00 mi1.00 mi12284+328875+458875+4512144(Top 42%)8313(Top 51%)8313(Top 445%)
40K24.85 mi0.85 mi12244+408843+328843+3212009(Top 41%)8181(Top 50%)8181(Top 438%)
25.2M25.20 mi0.35 mi12222+228819+248819+2411598(Top 40%)7893(Top 48%)7893(Top 423%)
FINISH26.22 mi1.02 mi12171+518776+438776+4311442(Top 39%)7834(Top 48%)7834(Top 419%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
Γ—21
+97ft-345ft

Overall

12386

Males

9108

M50-54

9108

5K→10K

3.1 - 6.2 mi

Top 42%
Γ—5
+79ft-138ft

Overall

12187

Males

9076

M50-54

9076

10K→15K

6.2 - 9.3 mi

Top 43%
Γ—3
+67ft-78ft

Overall

12386

Males

9108

M50-54

9108

15K→20K

9.3 - 12.4 mi

Top 40%
Γ—5
+106ft-86ft

Overall

11630

Males

8686

M50-54

8686

20K→HALF

12.4 - 13.1 mi

Top 45%
Γ—2
+19ft-37ft

Overall

13006

Males

9355

M50-54

9355

HALF→25K

13.1 - 15.5 mi

Top 42%
Γ—4
+66ft-88ft

Overall

12090

Males

8826

M50-54

8826

25K→30K

15.5 - 18.6 mi

Top 44%
Γ—9
+181ft-148ft

Overall

12744

Males

8985

M50-54

8985

30K→20M

18.6 - 20.0 mi

Top 43%
Γ—5
+64ft-50ft

Overall

12541

Males

8800

M50-54

8800

20M→21M

20.0 - 21.0 mi

Top 45%
Γ—8
+106ft-24ft

Overall

13080

Males

8940

M50-54

8940

21M→35K

21.0 - 21.8 mi

Top 48%
Γ—7
+17ft-86ft

Overall

13941

Males

9280

M50-54

9280

35K→23M

21.8 - 23.0 mi

Top 40%
Γ—5
+23ft-63ft

Overall

11730

Males

8227

M50-54

8227

23M→24M

23.0 - 24.0 mi

Top 42%
Γ—6
+12ft-82ft

Overall

12144

Males

8313

M50-54

8313

24M→40K

24.0 - 24.9 mi

Top 41%
Γ—1
+6ft-20ft

Overall

12009

Males

8181

M50-54

8181

40K→25.2M

24.9 - 25.2 mi

Top 40%
Γ—1
+13ft-16ft

Overall

11598

Males

7893

M50-54

7893

25.2M→FINISH

25.2 - 26.2 mi

Top 39%
Γ—2
+22ft-21ft

Overall

11442

Males

7834

M50-54

7834

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1880*
Passed By
1257
Net Change
+588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#12759
5K β†’ 10K438*136+302#12759#12457
10K β†’ 15K209*170+39#12457#12418
15K β†’ 20K281*76+205#12418#12213
20K β†’ HALF1850-32#12213#12245
HALF β†’ 25K12691+35#12245#12210
25K β†’ 30K172200-63#12210#12273
30K β†’ 20M85105-20#12273#12293
20M β†’ 21M77104-27#12293#12320
21M β†’ 35K3492-58#12320#12378
35K β†’ 23M11856+62#12378#12316
23M β†’ 24M9563+32#12316#12284
24M β†’ 40K8343+40#12284#12244
40K β†’ 25.2M4927+22#12244#12222
25.2M β†’ FINISH9544+51#12222#12171
TOTALS1880*1257+588

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

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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