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BOSTON MARATHON 2026

Mark Leskowyak

Bib: 32376•M

OH

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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
29:39
3.11 mi
Rank: #24601
Start → 5K
29:39 | 9:33/mi
10K
58:16
6.21 mi
Rank: #24160 (+441)
5K → 10K
28:37 | 9:13/mi
15K
1:25:56
9.32 mi
Rank: #23625 (+535)
10K → 15K
27:40 | 8:55/mi
20K
1:54:16
12.43 mi
Rank: #23335 (+290)
15K → 20K
28:20 | 9:08/mi
HALF
2:00:24
13.11 mi
Rank: #23309 (+26)
20K → HALF
6:08 | 9:00/mi
25K
2:22:25
15.53 mi
Rank: #22992 (+317)
HALF → 25K
22:01 | 9:05/mi
30K
2:52:00
18.64 mi
Rank: #22743 (+249)
25K → 30K
29:35 | 9:32/mi
20M
3:05:10
20.00 mi
Rank: #22639 (+104)
30K → 20M
13:10 | 9:42/mi
21M
3:15:29
21.00 mi
Rank: #22549 (+90)
20M → 21M
10:19 | 10:19/mi
35K
3:22:46
21.75 mi
Rank: #22554 (-5)
21M → 35K
7:17 | 9:45/mi
23M
3:35:18
23.00 mi
Rank: #22512 (+42)
35K → 23M
12:32 | 10:01/mi
24M
3:45:29
24.00 mi
Rank: #22560 (-48)
23M → 24M
10:11 | 10:11/mi
40K
3:54:21
24.85 mi
Rank: #22559 (+1)
24M → 40K
8:52 | 10:23/mi
25.2M
3:58:02
25.20 mi
Rank: #22539 (+20)
40K → 25.2M
3:41 | 10:41/mi
FINISH
4:07:37
26.22 mi
Rank: #22527 (+12)
25.2M → FINISH
9:35 | 9:25/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:00:24
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:07:13
Pace9:43 /mi
📊Positive Split: 5.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:5229:399:3329:39
9:33
-
10K
6.21 mi12:27:2958:169:2328:37
9:13
-0:20
15K
9.32 mi12:55:091:25:569:1427:40
8:55
-0:18
20K
12.43 mi13:23:291:54:169:1228:20
9:08
+0:13
HALF
13.11 mi13:29:372:00:249:126:08
9:00
-0:08
25K
15.53 mi13:51:382:22:259:1122:01
9:05
+0:05
30K
18.64 mi14:21:132:52:009:1429:35
9:32
+0:27
20M
20.00 mi14:34:233:05:109:1613:10
9:42
+0:10
21M
21.00 mi14:44:423:15:299:1910:19
10:19
+0:37
35K
21.75 mi14:51:593:22:469:207:17
9:45
-0:34
23M
23.00 mi15:04:313:35:189:2212:32
10:01
+0:16
24M
24.00 mi15:14:423:45:299:2410:11
10:11
+0:10
40K
24.85 mi15:23:343:54:219:268:52
10:23
+0:12
25.2M
25.20 mi15:27:153:58:029:273:41
10:41
+0:18
FINISH
26.22 mi15:36:504:07:379:289:35
9:25
-1:16

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

8:55 /mi

Average Pace

9:27 /mi

Slowest Pace

10:41 /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

3:22:02

82% of race

Time at Steady Pace

41:54

17% of race

Time at Slower Pace

3:41

1% of race

Average Pace: 9:27 /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 mi11:58:5229:399:3329:39
9:33
#24601
10K
6.21 mi12:27:2958:169:2328:37
9:13
#24160
15K
9.32 mi12:55:091:25:569:1427:40
8:55
#23625
20K
12.43 mi13:23:291:54:169:1228:20
9:08
#23335
HALF
13.11 mi13:29:372:00:249:126:08
9:00
#23309
25K
15.53 mi13:51:382:22:259:1122:01
9:05
#22992
30K
18.64 mi14:21:132:52:009:1429:35
9:32
#22743
20M
20.00 mi14:34:233:05:109:1613:10
9:42
#22639
21M
21.00 mi14:44:423:15:299:1910:19
10:19
#22549
35K
21.75 mi14:51:593:22:469:207:17
9:45
#22554
23M
23.00 mi15:04:313:35:189:2212:32
10:01
#22512
24M
24.00 mi15:14:423:45:299:2410:11
10:11
#22560
40K
24.85 mi15:23:343:54:219:268:52
10:23
#22559
25.2M
25.20 mi15:27:153:58:029:273:41
10:41
#22539
FINISH
26.22 mi15:36:504:07:379:289:35
9:25
#22527
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 mi24601145301453022235(Top 77%)13395(Top 82%)13395(Top 555%)
10K6.21 mi3.10 mi24160+44114333+19714333+19723657(Top 82%)14075(Top 86%)14075(Top 583%)
15K9.32 mi3.11 mi23625+53514064+26914064+26922235(Top 77%)13395(Top 82%)13395(Top 555%)
20K12.43 mi3.11 mi23335+29013913+15113913+15122435(Top 77%)13462(Top 82%)13462(Top 558%)
HALF13.11 mi0.68 mi23309+2613891+2213891+2222732(Top 78%)13610(Top 83%)13610(Top 564%)
25K15.53 mi2.42 mi22992+31713733+15813733+15821524(Top 74%)13006(Top 80%)13006(Top 539%)
30K18.64 mi3.11 mi22743+24913584+14913584+14921713(Top 75%)13005(Top 80%)13005(Top 539%)
20M20.00 mi1.36 mi22639+10413512+7213512+7221700(Top 75%)12921(Top 79%)12921(Top 535%)
21M21.00 mi1.00 mi22549+9013456+5613456+5621446(Top 74%)12754(Top 78%)12754(Top 529%)
35K21.75 mi0.75 mi22554-513454+213454+222435(Top 77%)13182(Top 81%)13182(Top 546%)
23M23.00 mi1.25 mi22512+4213413+4113413+4122174(Top 76%)13002(Top 80%)13002(Top 539%)
24M24.00 mi1.00 mi22560-4813415-213415-223297(Top 80%)13511(Top 83%)13511(Top 560%)
40K24.85 mi0.85 mi22559+113396+1913396+1922880(Top 79%)13249(Top 81%)13249(Top 549%)
25.2M25.20 mi0.35 mi22539+2013384+1213384+1221581(Top 74%)12639(Top 77%)12639(Top 524%)
FINISH26.22 mi1.02 mi22527+1213374+1013374+1022022(Top 76%)12866(Top 79%)12866(Top 533%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22235

Males

13395

M45-49

13395

5K→10K

3.1 - 6.2 mi

Top 82%
×5
+79ft-138ft

Overall

23657

Males

14075

M45-49

14075

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22235

Males

13395

M45-49

13395

15K→20K

9.3 - 12.4 mi

Top 77%
×5
+106ft-86ft

Overall

22435

Males

13462

M45-49

13462

20K→HALF

12.4 - 13.1 mi

Top 78%
×2
+19ft-37ft

Overall

22732

Males

13610

M45-49

13610

HALF→25K

13.1 - 15.5 mi

Top 74%
×4
+66ft-88ft

Overall

21524

Males

13006

M45-49

13006

25K→30K

15.5 - 18.6 mi

Top 75%
×9
+181ft-148ft

Overall

21713

Males

13005

M45-49

13005

30K→20M

18.6 - 20.0 mi

Top 75%
×5
+64ft-50ft

Overall

21700

Males

12921

M45-49

12921

20M→21M

20.0 - 21.0 mi

Top 74%
×8
+106ft-24ft

Overall

21446

Males

12754

M45-49

12754

21M→35K

21.0 - 21.8 mi

Top 77%
×7
+17ft-86ft

Overall

22435

Males

13182

M45-49

13182

35K→23M

21.8 - 23.0 mi

Top 76%
×5
+23ft-63ft

Overall

22174

Males

13002

M45-49

13002

23M→24M

23.0 - 24.0 mi

Top 80%
×6
+12ft-82ft

Overall

23297

Males

13511

M45-49

13511

24M→40K

24.0 - 24.9 mi

Top 79%
×1
+6ft-20ft

Overall

22880

Males

13249

M45-49

13249

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1
+13ft-16ft

Overall

21581

Males

12639

M45-49

12639

25.2M→FINISH

25.2 - 26.2 mi

Top 76%
×2
+22ft-21ft

Overall

22022

Males

12866

M45-49

12866

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2579
Passed By
505
Net Change
+2074
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24601
5K → 10K50160+441#24601#24160
10K → 15K54611+535#24160#23625
15K → 20K32030+290#23625#23335
20K → HALF4519+26#23335#23309
HALF → 25K32811+317#23309#22992
25K → 30K29041+249#22992#22743
30K → 20M13026+104#22743#22639
20M → 21M11626+90#22639#22549
21M → 35K4045-5#22549#22554
35K → 23M9755+42#22554#22512
23M → 24M3684-48#22512#22560
24M → 40K4746+1#22560#22559
40K → 25.2M3919+20#22559#22539
25.2M → FINISH4432+12#22539#22527
TOTALS2579505+2074
📊

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