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BOSTON MARATHON 2026

Piotr Kostyk

Bib: 2514•M

CT

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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Age Group (M18-39)
#0 / 5723
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
21:26
3.11 mi
Rank: #7742
Start → 5K
21:26 | 6:54/mi
10K
44:53
6.21 mi
Rank: #10406 (-2664)
5K → 10K
23:27 | 7:33/mi
15K
1:06:26
9.32 mi
Rank: #9499 (+907)
10K → 15K
21:33 | 6:57/mi
20K
1:29:40
12.43 mi
Rank: #10028 (-529)
15K → 20K
23:14 | 7:29/mi
HALF
1:34:31
13.11 mi
Rank: #9988 (+40)
20K → HALF
4:51 | 7:07/mi
25K
1:52:27
15.53 mi
Rank: #10051 (-63)
HALF → 25K
17:56 | 7:24/mi
30K
2:30:24
18.64 mi
Rank: #16503 (-6452)
25K → 30K
37:57 | 12:13/mi
20M
2:43:30
20.00 mi
Rank: #16975 (-472)
30K → 20M
13:06 | 9:39/mi
21M
2:51:55
21.00 mi
Rank: #16715 (+260)
20M → 21M
8:25 | 8:25/mi
35K
3:00:28
21.75 mi
Rank: #17387 (-672)
21M → 35K
8:33 | 11:26/mi
23M
3:12:07
23.00 mi
Rank: #17554 (-167)
35K → 23M
11:39 | 9:19/mi
24M
3:22:12
24.00 mi
Rank: #17915 (-361)
23M → 24M
10:05 | 10:05/mi
40K
3:30:54
24.85 mi
Rank: #18185 (-270)
24M → 40K
8:42 | 10:11/mi
25.2M
3:34:49
25.20 mi
Rank: #18309 (-124)
40K → 25.2M
3:55 | 11:22/mi
FINISH
3:42:13
26.22 mi
Rank: #17994 (+315)
25.2M → FINISH
7:24 | 7:16/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:34:31
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time2:07:42
Pace9:45 /mi
📊Positive Split: 35.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4421:266:5421:26
6:54
-
10K
6.21 mi10:46:1144:537:1423:27
7:33
+0:39
15K
9.32 mi11:07:441:06:267:0821:33
6:57
-0:36
20K
12.43 mi11:30:581:29:407:1323:14
7:29
+0:32
HALF
13.11 mi11:35:491:34:317:134:51
7:07
-0:22
25K
15.53 mi11:53:451:52:277:1517:56
7:24
+0:17
30K
18.64 mi12:31:422:30:248:0537:57
12:13
+4:49
20M
20.00 mi12:44:482:43:308:1113:06
9:39
-2:34
21M
21.00 mi12:53:132:51:558:128:25
8:25
-1:14
35K
21.75 mi13:01:463:00:288:188:33
11:26
+3:01
23M
23.00 mi13:13:253:12:078:2211:39
9:19
-2:07
24M
24.00 mi13:23:303:22:128:2610:05
10:05
+0:46
40K
24.85 mi13:32:123:30:548:308:42
10:11
+0:06
25.2M
25.20 mi13:36:073:34:498:323:55
11:22
+1:11
FINISH
26.22 mi13:43:313:42:138:297:24
7:16
-4:06

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

6:54 /mi

Average Pace

8:29 /mi

Slowest Pace

12:13 /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

1:36:24

43% of race

Time at Steady Pace

31:52

14% of race

Time at Slower Pace

1:33:57

42% of race

Average Pace: 8:29 /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 mi10:22:4421:266:5421:26
6:54
#7742
10K
6.21 mi10:46:1144:537:1423:27
7:33
#10406
15K
9.32 mi11:07:441:06:267:0821:33
6:57
#9499
20K
12.43 mi11:30:581:29:407:1323:14
7:29
#10028
HALF
13.11 mi11:35:491:34:317:134:51
7:07
#9988
25K
15.53 mi11:53:451:52:277:1517:56
7:24
#10051
30K
18.64 mi12:31:422:30:248:0537:57
12:13
#16503
20M
20.00 mi12:44:482:43:308:1113:06
9:39
#16975
21M
21.00 mi12:53:132:51:558:128:25
8:25
#16715
35K
21.75 mi13:01:463:00:288:188:33
11:26
#17387
23M
23.00 mi13:13:253:12:078:2211:39
9:19
#17554
24M
24.00 mi13:23:303:22:128:2610:05
10:05
#17915
40K
24.85 mi13:32:123:30:548:308:42
10:11
#18185
25.2M
25.20 mi13:36:073:34:498:323:55
11:22
#18309
FINISH
26.22 mi13:43:313:42:138:297:24
7:16
#17994
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 mi7742673267328101(Top 28%)6930(Top 42%)6930(Top 121%)
10K6.21 mi3.10 mi10406-26648278-15468278-154613360(Top 46%)9563(Top 59%)9563(Top 167%)
15K9.32 mi3.11 mi9499+9077805+4737805+4738101(Top 28%)6930(Top 42%)6930(Top 121%)
20K12.43 mi3.11 mi10028-5298038-2338038-23311771(Top 41%)8753(Top 54%)8753(Top 153%)
HALF13.11 mi0.68 mi9988+408011+278011+279582(Top 33%)7794(Top 48%)7794(Top 136%)
25K15.53 mi2.42 mi10051-638011801110523(Top 36%)8098(Top 50%)8098(Top 141%)
30K18.64 mi3.11 mi16503-645210735-272410735-272427042(Top 93%)15466(Top 95%)15466(Top 270%)
20M20.00 mi1.36 mi16975-47210942-20710942-20721537(Top 74%)12831(Top 79%)12831(Top 224%)
21M21.00 mi1.00 mi16715+26010807+13510807+13512589(Top 43%)8725(Top 53%)8725(Top 152%)
35K21.75 mi0.75 mi17387-67211085-27811085-27825939(Top 89%)14836(Top 91%)14836(Top 259%)
23M23.00 mi1.25 mi17554-16711117-3211117-3219852(Top 68%)11860(Top 73%)11860(Top 207%)
24M24.00 mi1.00 mi17915-36111246-12911246-12923013(Top 79%)13371(Top 82%)13371(Top 234%)
40K24.85 mi0.85 mi18185-27011360-11411360-11422380(Top 77%)13001(Top 80%)13001(Top 227%)
25.2M25.20 mi0.35 mi18309-12411406-4611406-4623179(Top 80%)13376(Top 82%)13376(Top 234%)
FINISH26.22 mi1.02 mi17994+31511260+14611260+1469583(Top 33%)6915(Top 42%)6915(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21
+97ft-345ft

Overall

8101

Males

6930

M18-39

6930

5K→10K

3.1 - 6.2 mi

Top 46%
×5
+79ft-138ft

Overall

13360

Males

9563

M18-39

9563

10K→15K

6.2 - 9.3 mi

Top 28%
×3
+67ft-78ft

Overall

8101

Males

6930

M18-39

6930

15K→20K

9.3 - 12.4 mi

Top 41%
×5
+106ft-86ft

Overall

11771

Males

8753

M18-39

8753

20K→HALF

12.4 - 13.1 mi

Top 33%
×2
+19ft-37ft

Overall

9582

Males

7794

M18-39

7794

HALF→25K

13.1 - 15.5 mi

Top 36%
×4
+66ft-88ft

Overall

10523

Males

8098

M18-39

8098

25K→30K

15.5 - 18.6 mi

Top 93%
×9
+181ft-148ft

Overall

27042

Males

15466

M18-39

15466

30K→20M

18.6 - 20.0 mi

Top 74%
×5
+64ft-50ft

Overall

21537

Males

12831

M18-39

12831

20M→21M

20.0 - 21.0 mi

Top 43%
×8
+106ft-24ft

Overall

12589

Males

8725

M18-39

8725

21M→35K

21.0 - 21.8 mi

Top 89%
×7
+17ft-86ft

Overall

25939

Males

14836

M18-39

14836

35K→23M

21.8 - 23.0 mi

Top 68%
×5
+23ft-63ft

Overall

19852

Males

11860

M18-39

11860

23M→24M

23.0 - 24.0 mi

Top 79%
×6
+12ft-82ft

Overall

23013

Males

13371

M18-39

13371

24M→40K

24.0 - 24.9 mi

Top 77%
×1
+6ft-20ft

Overall

22380

Males

13001

M18-39

13001

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1
+13ft-16ft

Overall

23179

Males

13376

M18-39

13376

25.2M→FINISH

25.2 - 26.2 mi

Top 33%
×2
+22ft-21ft

Overall

9583

Males

6915

M18-39

6915

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1801*
Passed By
1904
Net Change
-10252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7742
5K → 10K4200-2664#7742#10406
10K → 15K912*5+907#10406#9499
15K → 20K54200-529#9499#10028
20K → HALF56*16+40#10028#9988
HALF → 25K88150-63#9988#10051
25K → 30K2200-6452#10051#16503
30K → 20M14200-472#16503#16975
20M → 21M265*5+260#16975#16715
21M → 35K4200-672#16715#17387
35K → 23M51200-167#17387#17554
23M → 24M12200-361#17554#17915
24M → 40K20200-270#17915#18185
40K → 25.2M3127-124#18185#18309
25.2M → FINISH316*1+315#18309#17994
TOTALS1801*1904-10252

* 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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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing