All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Zbigniew Olech

Bib: 6279β€’M

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
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
30:18
3.11 mi
Rank: #25238
Start β†’ 5K
30:18 | 9:46/mi
10K
1:02:28
6.21 mi
Rank: #26041 (-803)
5K β†’ 10K
32:10 | 10:22/mi
15K
1:35:48
9.32 mi
Rank: #26475 (-434)
10K β†’ 15K
33:20 | 10:44/mi
20K
2:10:13
12.43 mi
Rank: #26642 (-167)
15K β†’ 20K
34:25 | 11:05/mi
HALF
2:18:08
13.11 mi
Rank: #26745 (-103)
20K β†’ HALF
7:55 | 11:37/mi
25K
2:45:21
15.53 mi
Rank: #26729 (+16)
HALF β†’ 25K
27:13 | 11:14/mi
30K
3:26:55
18.64 mi
Rank: #27136 (-407)
25K β†’ 30K
41:34 | 13:23/mi
20M
3:44:15
20.00 mi
Rank: #27149 (-13)
30K β†’ 20M
17:20 | 12:46/mi
21M
3:58:06
21.00 mi
Rank: #27185 (-36)
20M β†’ 21M
13:51 | 13:51/mi
35K
4:06:51
21.75 mi
Rank: #27173 (+12)
21M β†’ 35K
8:45 | 11:42/mi
23M
4:22:28
23.00 mi
Rank: #27159 (+14)
35K β†’ 23M
15:37 | 12:29/mi
24M
4:34:20
24.00 mi
Rank: #27145 (+14)
23M β†’ 24M
11:52 | 11:52/mi
40K
4:44:25
24.85 mi
Rank: #27104 (+41)
24M β†’ 40K
10:05 | 11:48/mi
25.2M
4:49:01
25.20 mi
Rank: #27107 (-3)
40K β†’ 25.2M
4:36 | 13:21/mi
FINISH
4:59:57
26.22 mi
Rank: #27069 (+38)
25.2M β†’ FINISH
10:56 | 10:44/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:18:08
Pace10:33 /mi
2nd Half
Distance13.11 mi
Time2:41:49
Pace12:21 /mi
πŸ“ŠPositive Split: 17.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:35:0230:189:4630:18
9:46
-
10K
6.21 mi11:07:121:02:2810:0432:10
10:22
+0:36
15K
9.32 mi11:40:321:35:4810:1733:20
10:44
+0:22
20K
12.43 mi12:14:572:10:1310:2934:25
11:05
+0:21
HALF
13.11 mi12:22:522:18:0810:337:55
11:37
+0:32
25K
15.53 mi12:50:052:45:2110:3927:13
11:14
-0:23
30K
18.64 mi13:31:393:26:5511:0741:34
13:23
+2:09
20M
20.00 mi13:48:593:44:1511:1317:20
12:46
-0:37
21M
21.00 mi14:02:503:58:0611:2113:51
13:51
+1:05
35K
21.75 mi14:11:354:06:5111:228:45
11:42
-2:09
23M
23.00 mi14:27:124:22:2811:2515:37
12:29
+0:47
24M
24.00 mi14:39:044:34:2011:2611:52
11:52
-0:37
40K
24.85 mi14:49:094:44:2511:2710:05
11:48
-0:04
25.2M
25.20 mi14:53:454:49:0111:294:36
13:21
+1:33
FINISH
26.22 mi15:04:414:59:5711:2710:56
10:44
-2:37

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

9:46 /mi

Average Pace

11:27 /mi

Slowest Pace

13:51 /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

2:21:09

47% of race

Time at Steady Pace

1:05:50

22% of race

Time at Slower Pace

1:32:58

31% of race

Average Pace: 11:26 /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 mi10:35:0230:189:4630:18
9:46
#25238
10K
6.21 mi11:07:121:02:2810:0432:10
10:22
#26041
15K
9.32 mi11:40:321:35:4810:1733:20
10:44
#26475
20K
12.43 mi12:14:572:10:1310:2934:25
11:05
#26642
HALF
13.11 mi12:22:522:18:0810:337:55
11:37
#26745
25K
15.53 mi12:50:052:45:2110:3927:13
11:14
#26729
30K
18.64 mi13:31:393:26:5511:0741:34
13:23
#27136
20M
20.00 mi13:48:593:44:1511:1317:20
12:46
#27149
21M
21.00 mi14:02:503:58:0611:2113:51
13:51
#27185
35K
21.75 mi14:11:354:06:5111:228:45
11:42
#27173
23M
23.00 mi14:27:124:22:2811:2515:37
12:29
#27159
24M
24.00 mi14:39:044:34:2011:2611:52
11:52
#27145
40K
24.85 mi14:49:094:44:2511:2710:05
11:48
#27104
25.2M
25.20 mi14:53:454:49:0111:294:36
13:21
#27107
FINISH
26.22 mi15:04:414:59:5711:2710:56
10:44
#27069
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 mi25238148471484727064(Top 93%)15626(Top 96%)15626(Top 648%)
10K6.21 mi3.10 mi26041-80315207-36015207-36026651(Top 92%)15451(Top 95%)15451(Top 640%)
15K9.32 mi3.11 mi26475-43415390-18315390-18327064(Top 93%)15626(Top 96%)15626(Top 648%)
20K12.43 mi3.11 mi26642-16715448-5815448-5827053(Top 93%)15611(Top 96%)15611(Top 647%)
HALF13.11 mi0.68 mi26745-10315488-4015488-4027976(Top 96%)15928(Top 97%)15928(Top 660%)
25K15.53 mi2.42 mi26729+1615468+2015468+2026658(Top 92%)15386(Top 94%)15386(Top 638%)
30K18.64 mi3.11 mi27136-40715614-14615614-14628003(Top 96%)15901(Top 97%)15901(Top 659%)
20M20.00 mi1.36 mi27149-1315615-115615-127211(Top 94%)15504(Top 95%)15504(Top 643%)
21M21.00 mi1.00 mi27185-3615622-715622-727199(Top 94%)15448(Top 95%)15448(Top 640%)
35K21.75 mi0.75 mi27173+1215617+515617+526360(Top 91%)15040(Top 92%)15040(Top 623%)
23M23.00 mi1.25 mi27159+1415600+1715600+1726749(Top 92%)15199(Top 93%)15199(Top 630%)
24M24.00 mi1.00 mi27145+1415585+1515585+1526442(Top 91%)15015(Top 92%)15015(Top 622%)
40K24.85 mi0.85 mi27104+4115558+2715558+2725571(Top 88%)14551(Top 89%)14551(Top 603%)
25.2M25.20 mi0.35 mi27107-315553+515553+526483(Top 91%)15038(Top 92%)15038(Top 623%)
FINISH26.22 mi1.02 mi27069+3815528+2515528+2525574(Top 88%)14558(Top 89%)14558(Top 603%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
Γ—21
+97ft-345ft

Overall

27064

Males

15626

M45-49

15626

5K→10K

3.1 - 6.2 mi

Top 92%
Γ—5
+79ft-138ft

Overall

26651

Males

15451

M45-49

15451

10K→15K

6.2 - 9.3 mi

Top 93%
Γ—3
+67ft-78ft

Overall

27064

Males

15626

M45-49

15626

15K→20K

9.3 - 12.4 mi

Top 93%
Γ—5
+106ft-86ft

Overall

27053

Males

15611

M45-49

15611

20K→HALF

12.4 - 13.1 mi

Top 96%
Γ—2
+19ft-37ft

Overall

27976

Males

15928

M45-49

15928

HALF→25K

13.1 - 15.5 mi

Top 92%
Γ—4
+66ft-88ft

Overall

26658

Males

15386

M45-49

15386

25K→30K

15.5 - 18.6 mi

Top 96%
Γ—9
+181ft-148ft

Overall

28003

Males

15901

M45-49

15901

30K→20M

18.6 - 20.0 mi

Top 94%
Γ—5
+64ft-50ft

Overall

27211

Males

15504

M45-49

15504

20M→21M

20.0 - 21.0 mi

Top 94%
Γ—8
+106ft-24ft

Overall

27199

Males

15448

M45-49

15448

21M→35K

21.0 - 21.8 mi

Top 91%
Γ—7
+17ft-86ft

Overall

26360

Males

15040

M45-49

15040

35K→23M

21.8 - 23.0 mi

Top 92%
Γ—5
+23ft-63ft

Overall

26749

Males

15199

M45-49

15199

23M→24M

23.0 - 24.0 mi

Top 91%
Γ—6
+12ft-82ft

Overall

26442

Males

15015

M45-49

15015

24M→40K

24.0 - 24.9 mi

Top 88%
Γ—1
+6ft-20ft

Overall

25571

Males

14551

M45-49

14551

40K→25.2M

24.9 - 25.2 mi

Top 91%
Γ—1
+13ft-16ft

Overall

26483

Males

15038

M45-49

15038

25.2M→FINISH

25.2 - 26.2 mi

Top 88%
Γ—2
+22ft-21ft

Overall

25574

Males

14558

M45-49

14558

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
503
Passed By
1180
Net Change
-1831
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#25238
5K β†’ 10K28200-803#25238#26041
10K β†’ 15K33200-434#26041#26475
15K β†’ 20K62200-167#26475#26642
20K β†’ HALF10113-103#26642#26745
HALF β†’ 25K8367+16#26745#26729
25K β†’ 30K20200-407#26729#27136
30K β†’ 20M4457-13#27136#27149
20M β†’ 21M2359-36#27149#27185
21M β†’ 35K2614+12#27185#27173
35K β†’ 23M4329+14#27173#27159
23M β†’ 24M2915+14#27159#27145
24M β†’ 40K476+41#27145#27104
40K β†’ 25.2M912-3#27104#27107
25.2M β†’ FINISH468+38#27107#27069
TOTALS5031180-1831
πŸ“Š

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

πŸ“ˆPosition Graph

Loading...

🎨Heatmap Timeline

Loading...

πŸ”„Passing Circle

Loading...

🌊Position Flow

Loading...

πŸƒRace Lanes

Loading...

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing