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BOSTON MARATHON 2026

Grzegorz Józwik

Bib: 31813•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
27:13
3.11 mi
Rank: #21481
Start → 5K
27:13 | 8:46/mi
10K
54:33
6.21 mi
Rank: #21724 (-243)
5K → 10K
27:20 | 8:48/mi
15K
1:22:00
9.32 mi
Rank: #21778 (-54)
10K → 15K
27:27 | 8:51/mi
20K
1:49:50
12.43 mi
Rank: #21718 (+60)
15K → 20K
27:50 | 8:58/mi
HALF
1:55:50
13.11 mi
Rank: #21724 (-6)
20K → HALF
6:00 | 8:49/mi
25K
2:17:55
15.53 mi
Rank: #21686 (+38)
HALF → 25K
22:05 | 9:07/mi
30K
2:47:03
18.64 mi
Rank: #21601 (+85)
25K → 30K
29:08 | 9:23/mi
20M
3:00:03
20.00 mi
Rank: #21555 (+46)
30K → 20M
13:00 | 9:35/mi
21M
3:10:13
21.00 mi
Rank: #21541 (+14)
20M → 21M
10:10 | 10:10/mi
35K
3:17:03
21.75 mi
Rank: #21501 (+40)
21M → 35K
6:50 | 9:09/mi
23M
3:28:50
23.00 mi
Rank: #21431 (+70)
35K → 23M
11:47 | 9:25/mi
24M
3:38:08
24.00 mi
Rank: #21409 (+22)
23M → 24M
9:18 | 9:18/mi
40K
3:46:03
24.85 mi
Rank: #21352 (+57)
24M → 40K
7:55 | 9:16/mi
25.2M
3:49:32
25.20 mi
Rank: #21334 (+18)
40K → 25.2M
3:29 | 10:07/mi
FINISH
3:58:44
26.22 mi
Rank: #21341 (-7)
25.2M → FINISH
9:12 | 9:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:55:50
Pace8:51 /mi
2nd Half
Distance13.11 mi
Time2:02:54
Pace9:23 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:2527:138:4627:13
8:46
-
10K
6.21 mi12:24:4554:338:4727:20
8:48
+0:02
15K
9.32 mi12:52:121:22:008:4827:27
8:51
+0:03
20K
12.43 mi13:20:021:49:508:5127:50
8:58
+0:07
HALF
13.11 mi13:26:021:55:508:516:00
8:49
-0:09
25K
15.53 mi13:48:072:17:558:5322:05
9:07
+0:18
30K
18.64 mi14:17:152:47:038:5829:08
9:23
+0:16
20M
20.00 mi14:30:153:00:039:0113:00
9:35
+0:12
21M
21.00 mi14:40:253:10:139:0410:10
10:10
+0:35
35K
21.75 mi14:47:153:17:039:046:50
9:09
-1:01
23M
23.00 mi14:59:023:28:509:0511:47
9:25
+0:16
24M
24.00 mi15:08:203:38:089:069:18
9:18
-0:07
40K
24.85 mi15:16:153:46:039:067:55
9:16
-0:02
25.2M
25.20 mi15:19:443:49:329:073:29
10:07
+0:51
FINISH
26.22 mi15:28:563:58:449:079:12
9:02
-1:05

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

8:46 /mi

Average Pace

9:07 /mi

Slowest Pace

10:10 /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

3:45:05

94% of race

Time at Steady Pace

13:39

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:06 /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 mi11:57:2527:138:4627:13
8:46
#21481
10K
6.21 mi12:24:4554:338:4727:20
8:48
#21724
15K
9.32 mi12:52:121:22:008:4827:27
8:51
#21778
20K
12.43 mi13:20:021:49:508:5127:50
8:58
#21718
HALF
13.11 mi13:26:021:55:508:516:00
8:49
#21724
25K
15.53 mi13:48:072:17:558:5322:05
9:07
#21686
30K
18.64 mi14:17:152:47:038:5829:08
9:23
#21601
20M
20.00 mi14:30:153:00:039:0113:00
9:35
#21555
21M
21.00 mi14:40:253:10:139:0410:10
10:10
#21541
35K
21.75 mi14:47:153:17:039:046:50
9:09
#21501
23M
23.00 mi14:59:023:28:509:0511:47
9:25
#21431
24M
24.00 mi15:08:203:38:089:069:18
9:18
#21409
40K
24.85 mi15:16:153:46:039:067:55
9:16
#21352
25.2M
25.20 mi15:19:443:49:329:073:29
10:07
#21334
FINISH
26.22 mi15:28:563:58:449:079:12
9:02
#21341
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 mi21481129521295221901(Top 75%)13216(Top 81%)13216(Top 707%)
10K6.21 mi3.10 mi21724-24313099-14713099-14721893(Top 75%)13202(Top 81%)13202(Top 707%)
15K9.32 mi3.11 mi21778-5413136-3713136-3721901(Top 75%)13216(Top 81%)13216(Top 707%)
20K12.43 mi3.11 mi21718+6013103+3313103+3321742(Top 75%)13118(Top 80%)13118(Top 702%)
HALF13.11 mi0.68 mi21724-613112-913112-921797(Top 75%)13169(Top 81%)13169(Top 705%)
25K15.53 mi2.42 mi21686+3813090+2213090+2221632(Top 75%)13053(Top 80%)13053(Top 699%)
30K18.64 mi3.11 mi21601+8513032+5813032+5821225(Top 73%)12759(Top 78%)12759(Top 683%)
20M20.00 mi1.36 mi21555+4612989+4312989+4321322(Top 73%)12729(Top 78%)12729(Top 681%)
21M21.00 mi1.00 mi21541+1412974+1512974+1520956(Top 72%)12529(Top 77%)12529(Top 671%)
35K21.75 mi0.75 mi21501+4012952+2212952+2220542(Top 71%)12256(Top 75%)12256(Top 656%)
23M23.00 mi1.25 mi21431+7012914+3812914+3820296(Top 70%)12112(Top 74%)12112(Top 648%)
24M24.00 mi1.00 mi21409+2212887+2712887+2720630(Top 71%)12196(Top 75%)12196(Top 653%)
40K24.85 mi0.85 mi21352+5712847+4012847+4019505(Top 67%)11606(Top 71%)11606(Top 621%)
25.2M25.20 mi0.35 mi21334+1812830+1712830+1719739(Top 68%)11737(Top 72%)11737(Top 628%)
FINISH26.22 mi1.02 mi21341-712823+712823+720619(Top 71%)12165(Top 74%)12165(Top 651%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21
+97ft-345ft

Overall

21901

Males

13216

M50-54

13216

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21893

Males

13202

M50-54

13202

10K→15K

6.2 - 9.3 mi

Top 75%
×3
+67ft-78ft

Overall

21901

Males

13216

M50-54

13216

15K→20K

9.3 - 12.4 mi

Top 75%
×5
+106ft-86ft

Overall

21742

Males

13118

M50-54

13118

20K→HALF

12.4 - 13.1 mi

Top 75%
×2
+19ft-37ft

Overall

21797

Males

13169

M50-54

13169

HALF→25K

13.1 - 15.5 mi

Top 75%
×4
+66ft-88ft

Overall

21632

Males

13053

M50-54

13053

25K→30K

15.5 - 18.6 mi

Top 73%
×9
+181ft-148ft

Overall

21225

Males

12759

M50-54

12759

30K→20M

18.6 - 20.0 mi

Top 73%
×5
+64ft-50ft

Overall

21322

Males

12729

M50-54

12729

20M→21M

20.0 - 21.0 mi

Top 72%
×8
+106ft-24ft

Overall

20956

Males

12529

M50-54

12529

21M→35K

21.0 - 21.8 mi

Top 71%
×7
+17ft-86ft

Overall

20542

Males

12256

M50-54

12256

35K→23M

21.8 - 23.0 mi

Top 70%
×5
+23ft-63ft

Overall

20296

Males

12112

M50-54

12112

23M→24M

23.0 - 24.0 mi

Top 71%
×6
+12ft-82ft

Overall

20630

Males

12196

M50-54

12196

24M→40K

24.0 - 24.9 mi

Top 67%
×1
+6ft-20ft

Overall

19505

Males

11606

M50-54

11606

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1
+13ft-16ft

Overall

19739

Males

11737

M50-54

11737

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
×2
+22ft-21ft

Overall

20619

Males

12165

M50-54

12165

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
1463
Passed By
1323
Net Change
+140
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21481
5K → 10K184427-243#21481#21724
10K → 15K135189-54#21724#21778
15K → 20K186126+60#21778#21718
20K → HALF2935-6#21718#21724
HALF → 25K141103+38#21724#21686
25K → 30K198113+85#21686#21601
30K → 20M11569+46#21601#21555
20M → 21M9278+14#21555#21541
21M → 35K5414+40#21541#21501
35K → 23M10737+70#21501#21431
23M → 24M5937+22#21431#21409
24M → 40K8023+57#21409#21352
40K → 25.2M3416+18#21352#21334
25.2M → FINISH4956-7#21334#21341
TOTALS14631323+140
📊

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