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BOSTON MARATHON 2026

Piotr Czyzowicz

Bib: P134•M

QC

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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 (M45-49)
#0 / 2413
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
24:10
3.11 mi
Rank: #15222
Start → 5K
24:10 | 7:47/mi
10K
49:02
6.21 mi
Rank: #16230 (-1008)
5K → 10K
24:52 | 8:01/mi
15K
1:15:03
9.32 mi
Rank: #17441 (-1211)
10K → 15K
26:01 | 8:23/mi
20K
1:41:35
12.43 mi
Rank: #18003 (-562)
15K → 20K
26:32 | 8:33/mi
HALF
1:47:09
13.11 mi
Rank: #18005 (-2)
20K → HALF
5:34 | 8:10/mi
25K
2:08:01
15.53 mi
Rank: #18191 (-186)
HALF → 25K
20:52 | 8:37/mi
30K
2:35:37
18.64 mi
Rank: #18312 (-121)
25K → 30K
27:36 | 8:54/mi
20M
2:47:50
20.00 mi
Rank: #18347 (-35)
30K → 20M
12:13 | 9:00/mi
21M
2:57:09
21.00 mi
Rank: #18284 (+63)
20M → 21M
9:19 | 9:19/mi
35K
3:03:18
21.75 mi
Rank: #18202 (+82)
21M → 35K
6:09 | 8:14/mi
23M
3:14:25
23.00 mi
Rank: #18179 (+23)
35K → 23M
11:07 | 8:53/mi
24M
3:22:57
24.00 mi
Rank: #18117 (+62)
23M → 24M
8:32 | 8:32/mi
40K
3:30:47
24.85 mi
Rank: #18154 (-37)
24M → 40K
7:50 | 9:10/mi
25.2M
3:34:19
25.20 mi
Rank: #18190 (-36)
40K → 25.2M
3:32 | 10:15/mi
FINISH
3:44:05
26.22 mi
Rank: #18424 (-234)
25.2M → FINISH
9:46 | 9:36/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
Time1:47:09
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:56:56
Pace8:56 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:14:1224:107:4724:10
7:47
-
10K
6.21 mi10:39:0449:027:5424:52
8:01
+0:14
15K
9.32 mi11:05:051:15:038:0426:01
8:23
+0:22
20K
12.43 mi11:31:371:41:358:1126:32
8:33
+0:10
HALF
13.11 mi11:37:111:47:098:115:34
8:10
-0:23
25K
15.53 mi11:58:032:08:018:1520:52
8:37
+0:27
30K
18.64 mi12:25:392:35:378:2127:36
8:54
+0:17
20M
20.00 mi12:37:522:47:508:2412:13
9:00
+0:06
21M
21.00 mi12:47:112:57:098:279:19
9:19
+0:19
35K
21.75 mi12:53:203:03:188:266:09
8:14
-1:05
23M
23.00 mi13:04:273:14:258:2811:07
8:53
+0:39
24M
24.00 mi13:12:593:22:578:288:32
8:32
-0:21
40K
24.85 mi13:20:493:30:478:297:50
9:10
+0:38
25.2M
25.20 mi13:24:213:34:198:313:32
10:15
+1:05
FINISH
26.22 mi13:34:073:44:058:349:46
9:36
-0:39

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

7:47 /mi

Average Pace

8:33 /mi

Slowest Pace

10:15 /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

1:00:45

27% of race

Time at Steady Pace

2:00:40

54% of race

Time at Slower Pace

42:40

19% of race

Average Pace: 8:33 /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 mi10:14:1224:107:4724:10
7:47
#15222
10K
6.21 mi10:39:0449:027:5424:52
8:01
#16230
15K
9.32 mi11:05:051:15:038:0426:01
8:23
#17441
20K
12.43 mi11:31:371:41:358:1126:32
8:33
#18003
HALF
13.11 mi11:37:111:47:098:115:34
8:10
#18005
25K
15.53 mi11:58:032:08:018:1520:52
8:37
#18191
30K
18.64 mi12:25:392:35:378:2127:36
8:54
#18312
20M
20.00 mi12:37:522:47:508:2412:13
9:00
#18347
21M
21.00 mi12:47:112:57:098:279:19
9:19
#18284
35K
21.75 mi12:53:203:03:188:266:09
8:14
#18202
23M
23.00 mi13:04:273:14:258:2811:07
8:53
#18179
24M
24.00 mi13:12:593:22:578:288:32
8:32
#18117
40K
24.85 mi13:20:493:30:478:297:50
9:10
#18154
25.2M
25.20 mi13:24:213:34:198:313:32
10:15
#18190
FINISH
26.22 mi13:34:073:44:058:349:46
9:36
#18424
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi15222103371033719413(Top 67%)12059(Top 74%)12059(Top 500%)
10K6.21 mi3.10 mi16230-100810688-35110688-35117258(Top 59%)11124(Top 68%)11124(Top 461%)
15K9.32 mi3.11 mi17441-121111178-49011178-49019413(Top 67%)12059(Top 74%)12059(Top 500%)
20K12.43 mi3.11 mi18003-56211431-25311431-25319523(Top 67%)12060(Top 74%)12060(Top 500%)
HALF13.11 mi0.68 mi18005-211437-611437-618178(Top 63%)11524(Top 71%)11524(Top 478%)
25K15.53 mi2.42 mi18191-18611512-7511512-7519191(Top 66%)11871(Top 73%)11871(Top 492%)
30K18.64 mi3.11 mi18312-12111522-1011522-1018984(Top 65%)11705(Top 72%)11705(Top 485%)
20M20.00 mi1.36 mi18347-3511514+811514+818896(Top 65%)11589(Top 71%)11589(Top 480%)
21M21.00 mi1.00 mi18284+6311467+4711467+4717679(Top 61%)11005(Top 67%)11005(Top 456%)
35K21.75 mi0.75 mi18202+8211426+4111426+4115938(Top 55%)10177(Top 62%)10177(Top 422%)
23M23.00 mi1.25 mi18179+2311388+3811388+3817890(Top 62%)10924(Top 67%)10924(Top 453%)
24M24.00 mi1.00 mi18117+6211342+4611342+4617091(Top 59%)10511(Top 64%)10511(Top 436%)
40K24.85 mi0.85 mi18154-3711347-511347-519114(Top 66%)11409(Top 70%)11409(Top 473%)
25.2M25.20 mi0.35 mi18190-3611354-711354-720211(Top 70%)11956(Top 73%)11956(Top 495%)
FINISH26.22 mi1.02 mi18424-23411441-8711441-8722612(Top 78%)13126(Top 80%)13126(Top 544%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21
+97ft-345ft

Overall

19413

Males

12059

M45-49

12059

5K→10K

3.1 - 6.2 mi

Top 59%
×5
+79ft-138ft

Overall

17258

Males

11124

M45-49

11124

10K→15K

6.2 - 9.3 mi

Top 67%
×3
+67ft-78ft

Overall

19413

Males

12059

M45-49

12059

15K→20K

9.3 - 12.4 mi

Top 67%
×5
+106ft-86ft

Overall

19523

Males

12060

M45-49

12060

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18178

Males

11524

M45-49

11524

HALF→25K

13.1 - 15.5 mi

Top 66%
×4
+66ft-88ft

Overall

19191

Males

11871

M45-49

11871

25K→30K

15.5 - 18.6 mi

Top 65%
×9
+181ft-148ft

Overall

18984

Males

11705

M45-49

11705

30K→20M

18.6 - 20.0 mi

Top 65%
×5
+64ft-50ft

Overall

18896

Males

11589

M45-49

11589

20M→21M

20.0 - 21.0 mi

Top 61%
×8
+106ft-24ft

Overall

17679

Males

11005

M45-49

11005

21M→35K

21.0 - 21.8 mi

Top 55%
×7
+17ft-86ft

Overall

15938

Males

10177

M45-49

10177

35K→23M

21.8 - 23.0 mi

Top 62%
×5
+23ft-63ft

Overall

17890

Males

10924

M45-49

10924

23M→24M

23.0 - 24.0 mi

Top 59%
×6
+12ft-82ft

Overall

17091

Males

10511

M45-49

10511

24M→40K

24.0 - 24.9 mi

Top 66%
×1
+6ft-20ft

Overall

19114

Males

11409

M45-49

11409

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1
+13ft-16ft

Overall

20211

Males

11956

M45-49

11956

25.2M→FINISH

25.2 - 26.2 mi

Top 78%
×2
+22ft-21ft

Overall

22612

Males

13126

M45-49

13126

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
972
Passed By
4174
Net Change
-3202
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15222
5K → 10K571065-1008#15222#16230
10K → 15K181229-1211#16230#17441
15K → 20K51613-562#17441#18003
20K → HALF3638-2#18003#18005
HALF → 25K77263-186#18005#18191
25K → 30K157278-121#18191#18312
30K → 20M81116-35#18312#18347
20M → 21M11350+63#18347#18284
21M → 35K9513+82#18284#18202
35K → 23M10178+23#18202#18179
23M → 24M9533+62#18179#18117
24M → 40K6198-37#18117#18154
40K → 25.2M1248-36#18154#18190
25.2M → FINISH18252-234#18190#18424
TOTALS9724174-3202
📊

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