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

Lukasz Zalewski

Bib: 3102β€’M

NY

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 14%
Gender (Male)
#0 / 16340
Top 24%
Masters (Masters Men)
#0 / 10617
Top 10%
Age Group (M40-44)
#0 / 2198
Top 27%
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
19:07
3.11 mi
Rank: #1877
Start β†’ 5K
19:07 | 6:10/mi
10K
38:29
6.21 mi
Rank: #2163 (-286)
5K β†’ 10K
19:22 | 6:15/mi
15K
57:59
9.32 mi
Rank: #2302 (-139)
10K β†’ 15K
19:30 | 6:17/mi
20K
1:17:52
12.43 mi
Rank: #2475 (-173)
15K β†’ 20K
19:53 | 6:24/mi
HALF
1:22:07
13.11 mi
Rank: #2489 (-14)
20K β†’ HALF
4:15 | 6:15/mi
25K
1:38:07
15.53 mi
Rank: #2729 (-240)
HALF β†’ 25K
16:00 | 6:36/mi
30K
1:59:19
18.64 mi
Rank: #3017 (-288)
25K β†’ 30K
21:12 | 6:50/mi
20M
2:08:58
20.00 mi
Rank: #3165 (-148)
30K β†’ 20M
9:39 | 7:07/mi
21M
2:16:39
21.00 mi
Rank: #3366 (-201)
20M β†’ 21M
7:41 | 7:41/mi
35K
2:21:49
21.75 mi
Rank: #3442 (-76)
21M β†’ 35K
5:10 | 6:55/mi
23M
2:31:04
23.00 mi
Rank: #3629 (-187)
35K β†’ 23M
9:15 | 7:24/mi
24M
2:38:27
24.00 mi
Rank: #3814 (-185)
23M β†’ 24M
7:23 | 7:23/mi
40K
2:45:02
24.85 mi
Rank: #3993 (-179)
24M β†’ 40K
6:35 | 7:42/mi
25.2M
2:47:52
25.20 mi
Rank: #4069 (-76)
40K β†’ 25.2M
2:50 | 8:13/mi
FINISH
2:55:02
26.22 mi
Rank: #4203 (-134)
25.2M β†’ FINISH
7:10 | 7:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:22:07
Pace6:16 /mi
2nd Half
Distance13.11 mi
Time1:32:55
Pace7:06 /mi
πŸ“ŠPositive Split: 13.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0619:076:1019:07
6:10
-
10K
6.21 mi10:39:2838:296:1219:22
6:15
+0:05
15K
9.32 mi10:58:5857:596:1419:30
6:17
+0:02
20K
12.43 mi11:18:511:17:526:1619:53
6:24
+0:07
HALF
13.11 mi11:23:061:22:076:164:15
6:15
-0:09
25K
15.53 mi11:39:061:38:076:1916:00
6:36
+0:21
30K
18.64 mi12:00:181:59:196:2521:12
6:50
+0:14
20M
20.00 mi12:09:572:08:586:279:39
7:07
+0:17
21M
21.00 mi12:17:382:16:396:317:41
7:41
+0:34
35K
21.75 mi12:22:482:21:496:325:10
6:55
-0:46
23M
23.00 mi12:32:032:31:046:359:15
7:24
+0:29
24M
24.00 mi12:39:262:38:276:377:23
7:23
-0:01
40K
24.85 mi12:46:012:45:026:396:35
7:42
+0:19
25.2M
25.20 mi12:48:512:47:526:402:50
8:13
+0:31
FINISH
26.22 mi12:56:012:55:026:417:10
7:02
-1:11

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

6:10 /mi

Average Pace

6:41 /mi

Slowest Pace

8:13 /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

1:38:07

56% of race

Time at Steady Pace

43:11

25% of race

Time at Slower Pace

33:44

19% of race

Average Pace: 6:41 /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 mi10:20:0619:076:1019:07
6:10
#1877
10K
6.21 mi10:39:2838:296:1219:22
6:15
#2163
15K
9.32 mi10:58:5857:596:1419:30
6:17
#2302
20K
12.43 mi11:18:511:17:526:1619:53
6:24
#2475
HALF
13.11 mi11:23:061:22:076:164:15
6:15
#2489
25K
15.53 mi11:39:061:38:076:1916:00
6:36
#2729
30K
18.64 mi12:00:181:59:196:2521:12
6:50
#3017
20M
20.00 mi12:09:572:08:586:279:39
7:07
#3165
21M
21.00 mi12:17:382:16:396:317:41
7:41
#3366
35K
21.75 mi12:22:482:21:496:325:10
6:55
#3442
23M
23.00 mi12:32:032:31:046:359:15
7:24
#3629
24M
24.00 mi12:39:262:38:276:377:23
7:23
#3814
40K
24.85 mi12:46:012:45:026:396:35
7:42
#3993
25.2M
25.20 mi12:48:512:47:526:402:50
8:13
#4069
FINISH
26.22 mi12:56:012:55:026:417:10
7:02
#4203
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi1877181018102733(Top 9%)2628(Top 16%)2628(Top 120%)
10K6.21 mi3.10 mi2163-2862086-2762086-2762457(Top 8%)2367(Top 14%)2367(Top 108%)
15K9.32 mi3.11 mi2302-1392219-1332219-1332733(Top 9%)2628(Top 16%)2628(Top 120%)
20K12.43 mi3.11 mi2475-1732387-1682387-1683155(Top 11%)3028(Top 19%)3028(Top 138%)
HALF13.11 mi0.68 mi2489-142400-132400-132719(Top 9%)2623(Top 16%)2623(Top 119%)
25K15.53 mi2.42 mi2729-2402626-2262626-2264111(Top 14%)3854(Top 24%)3854(Top 175%)
30K18.64 mi3.11 mi3017-2882895-2692895-2694529(Top 16%)4148(Top 25%)4148(Top 189%)
20M20.00 mi1.36 mi3165-1483028-1333028-1336235(Top 21%)5389(Top 33%)5389(Top 245%)
21M21.00 mi1.00 mi3366-2013210-1823210-1827666(Top 26%)6156(Top 38%)6156(Top 280%)
35K21.75 mi0.75 mi3442-763279-693279-696381(Top 22%)5402(Top 33%)5402(Top 246%)
23M23.00 mi1.25 mi3629-1873437-1583437-1588031(Top 28%)6344(Top 39%)6344(Top 289%)
24M24.00 mi1.00 mi3814-1853579-1423579-1429165(Top 32%)6860(Top 42%)6860(Top 312%)
40K24.85 mi0.85 mi3993-1793740-1613740-16110248(Top 35%)7326(Top 45%)7326(Top 333%)
25.2M25.20 mi0.35 mi4069-763804-643804-649581(Top 33%)6870(Top 42%)6870(Top 313%)
FINISH26.22 mi1.02 mi4203-1343903-993903-997784(Top 27%)5926(Top 36%)5926(Top 270%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
Γ—21
+97ft-345ft

Overall

2733

Males

2628

M40-44

2628

5K→10K

3.1 - 6.2 mi

Top 8%
Γ—5
+79ft-138ft

Overall

2457

Males

2367

M40-44

2367

10K→15K

6.2 - 9.3 mi

Top 9%
Γ—3
+67ft-78ft

Overall

2733

Males

2628

M40-44

2628

15K→20K

9.3 - 12.4 mi

Top 11%
Γ—5
+106ft-86ft

Overall

3155

Males

3028

M40-44

3028

20K→HALF

12.4 - 13.1 mi

Top 9%
Γ—2
+19ft-37ft

Overall

2719

Males

2623

M40-44

2623

HALF→25K

13.1 - 15.5 mi

Top 14%
Γ—4
+66ft-88ft

Overall

4111

Males

3854

M40-44

3854

25K→30K

15.5 - 18.6 mi

Top 16%
Γ—9
+181ft-148ft

Overall

4529

Males

4148

M40-44

4148

30K→20M

18.6 - 20.0 mi

Top 21%
Γ—5
+64ft-50ft

Overall

6235

Males

5389

M40-44

5389

20M→21M

20.0 - 21.0 mi

Top 26%
Γ—8
+106ft-24ft

Overall

7666

Males

6156

M40-44

6156

21M→35K

21.0 - 21.8 mi

Top 22%
Γ—7
+17ft-86ft

Overall

6381

Males

5402

M40-44

5402

35K→23M

21.8 - 23.0 mi

Top 28%
Γ—5
+23ft-63ft

Overall

8031

Males

6344

M40-44

6344

23M→24M

23.0 - 24.0 mi

Top 32%
Γ—6
+12ft-82ft

Overall

9165

Males

6860

M40-44

6860

24M→40K

24.0 - 24.9 mi

Top 35%
Γ—1
+6ft-20ft

Overall

10248

Males

7326

M40-44

7326

40K→25.2M

24.9 - 25.2 mi

Top 33%
Γ—1
+13ft-16ft

Overall

9581

Males

6870

M40-44

6870

25.2M→FINISH

25.2 - 26.2 mi

Top 27%
Γ—2
+22ft-21ft

Overall

7784

Males

5926

M40-44

5926

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
259
Passed By
2585
Net Change
-2326
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1877
5K β†’ 10K28314-286#1877#2163
10K β†’ 15K23162-139#2163#2302
15K β†’ 20K22195-173#2302#2475
20K β†’ HALF721-14#2475#2489
HALF β†’ 25K23263-240#2489#2729
25K β†’ 30K35323-288#2729#3017
30K β†’ 20M20168-148#3017#3165
20M β†’ 21M14215-201#3165#3366
21M β†’ 35K1490-76#3366#3442
35K β†’ 23M23210-187#3442#3629
23M β†’ 24M17202-185#3629#3814
24M β†’ 40K13192-179#3814#3993
40K β†’ 25.2M682-76#3993#4069
25.2M β†’ FINISH14148-134#4069#4203
TOTALS2592585-2326
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...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

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