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BOSTON MARATHON 2026

Thomas Kornelik

Bib: 25051•M

IN

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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 (M65-69)
#0 / 774
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
26:53
3.11 mi
Rank: #20930
Start → 5K
26:53 | 8:40/mi
10K
54:06
6.21 mi
Rank: #21347 (-417)
5K → 10K
27:13 | 8:46/mi
15K
1:21:53
9.32 mi
Rank: #21710 (-363)
10K → 15K
27:47 | 8:57/mi
20K
1:51:07
12.43 mi
Rank: #22221 (-511)
15K → 20K
29:14 | 9:25/mi
HALF
1:57:15
13.11 mi
Rank: #22228 (-7)
20K → HALF
6:08 | 9:00/mi
25K
2:20:07
15.53 mi
Rank: #22335 (-107)
HALF → 25K
22:52 | 9:26/mi
30K
2:51:07
18.64 mi
Rank: #22548 (-213)
25K → 30K
31:00 | 9:59/mi
20M
3:05:37
20.00 mi
Rank: #22707 (-159)
30K → 20M
14:30 | 10:41/mi
21M
3:17:13
21.00 mi
Rank: #22821 (-114)
20M → 21M
11:36 | 11:36/mi
35K
3:25:02
21.75 mi
Rank: #22884 (-63)
21M → 35K
7:49 | 10:27/mi
23M
3:39:19
23.00 mi
Rank: #23058 (-174)
35K → 23M
14:17 | 11:25/mi
24M
3:51:11
24.00 mi
Rank: #23271 (-213)
23M → 24M
11:52 | 11:52/mi
40K
4:01:21
24.85 mi
Rank: #23394 (-123)
24M → 40K
10:10 | 11:54/mi
25.2M
4:05:35
25.20 mi
Rank: #23422 (-28)
40K → 25.2M
4:14 | 12:17/mi
FINISH
4:16:44
26.22 mi
Rank: #23535 (-113)
25.2M → FINISH
11:09 | 10:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:57:15
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:19:29
Pace10:39 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:31:5826:538:4026:53
8:40
-
10K
6.21 mi11:59:1154:068:4327:13
8:46
+0:06
15K
9.32 mi12:26:581:21:538:4827:47
8:57
+0:11
20K
12.43 mi12:56:121:51:078:5729:14
9:25
+0:28
HALF
13.11 mi13:02:201:57:158:576:08
9:00
-0:25
25K
15.53 mi13:25:122:20:079:0222:52
9:26
+0:26
30K
18.64 mi13:56:122:51:079:1131:00
9:59
+0:33
20M
20.00 mi14:10:423:05:379:1714:30
10:41
+0:42
21M
21.00 mi14:22:183:17:139:2411:36
11:36
+0:55
35K
21.75 mi14:30:073:25:029:267:49
10:27
-1:09
23M
23.00 mi14:44:243:39:199:3314:17
11:25
+0:58
24M
24.00 mi14:56:163:51:119:3811:52
11:52
+0:27
40K
24.85 mi15:06:264:01:219:4310:10
11:54
+0:02
25.2M
25.20 mi15:10:404:05:359:454:14
12:17
+0:23
FINISH
26.22 mi15:21:494:16:449:4811:09
10:57
-1:20

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

8:40 /mi

Average Pace

9:48 /mi

Slowest Pace

12:17 /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

2:20:07

55% of race

Time at Steady Pace

1:04:28

25% of race

Time at Slower Pace

52:09

20% of race

Average Pace: 9:47 /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 mi11:31:5826:538:4026:53
8:40
#20930
10K
6.21 mi11:59:1154:068:4327:13
8:46
#21347
15K
9.32 mi12:26:581:21:538:4827:47
8:57
#21710
20K
12.43 mi12:56:121:51:078:5729:14
9:25
#22221
HALF
13.11 mi13:02:201:57:158:576:08
9:00
#22228
25K
15.53 mi13:25:122:20:079:0222:52
9:26
#22335
30K
18.64 mi13:56:122:51:079:1131:00
9:59
#22548
20M
20.00 mi14:10:423:05:379:1714:30
10:41
#22707
21M
21.00 mi14:22:183:17:139:2411:36
11:36
#22821
35K
21.75 mi14:30:073:25:029:267:49
10:27
#22884
23M
23.00 mi14:44:243:39:199:3314:17
11:25
#23058
24M
24.00 mi14:56:163:51:119:3811:52
11:52
#23271
40K
24.85 mi15:06:264:01:219:4310:10
11:54
#23394
25.2M
25.20 mi15:10:404:05:359:454:14
12:17
#23422
FINISH
26.22 mi15:21:494:16:449:4811:09
10:57
#23535
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi20930127181271822406(Top 77%)13486(Top 83%)13486(Top 1742%)
10K6.21 mi3.10 mi21347-41712926-20812926-20821714(Top 75%)13119(Top 80%)13119(Top 1695%)
15K9.32 mi3.11 mi21710-36313103-17713103-17722406(Top 77%)13486(Top 83%)13486(Top 1742%)
20K12.43 mi3.11 mi22221-51113359-25613359-25623458(Top 81%)13941(Top 85%)13941(Top 1801%)
HALF13.11 mi0.68 mi22228-713364-513364-522744(Top 78%)13622(Top 83%)13622(Top 1760%)
25K15.53 mi2.42 mi22335-10713419-5513419-5522810(Top 79%)13614(Top 83%)13614(Top 1759%)
30K18.64 mi3.11 mi22548-21313479-6013479-6023070(Top 79%)13654(Top 84%)13654(Top 1764%)
20M20.00 mi1.36 mi22707-15913546-6713546-6724218(Top 83%)14096(Top 86%)14096(Top 1821%)
21M21.00 mi1.00 mi22821-11413583-3713583-3724357(Top 84%)14090(Top 86%)14090(Top 1820%)
35K21.75 mi0.75 mi22884-6313606-2313606-2324202(Top 83%)14014(Top 86%)14014(Top 1811%)
23M23.00 mi1.25 mi23058-17413668-6213668-6225272(Top 87%)14470(Top 89%)14470(Top 1870%)
24M24.00 mi1.00 mi23271-21313775-10713775-10726430(Top 91%)15003(Top 92%)15003(Top 1938%)
40K24.85 mi0.85 mi23394-12313824-4913824-4925700(Top 89%)14614(Top 89%)14614(Top 1888%)
25.2M25.20 mi0.35 mi23422-2813835-1113835-1124928(Top 86%)14233(Top 87%)14233(Top 1839%)
FINISH26.22 mi1.02 mi23535-11313880-4513880-4526002(Top 90%)14757(Top 90%)14757(Top 1907%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21
+97ft-345ft

Overall

22406

Males

13486

M65-69

13486

5K→10K

3.1 - 6.2 mi

Top 75%
×5
+79ft-138ft

Overall

21714

Males

13119

M65-69

13119

10K→15K

6.2 - 9.3 mi

Top 77%
×3
+67ft-78ft

Overall

22406

Males

13486

M65-69

13486

15K→20K

9.3 - 12.4 mi

Top 81%
×5
+106ft-86ft

Overall

23458

Males

13941

M65-69

13941

20K→HALF

12.4 - 13.1 mi

Top 78%
×2
+19ft-37ft

Overall

22744

Males

13622

M65-69

13622

HALF→25K

13.1 - 15.5 mi

Top 79%
×4
+66ft-88ft

Overall

22810

Males

13614

M65-69

13614

25K→30K

15.5 - 18.6 mi

Top 79%
×9
+181ft-148ft

Overall

23070

Males

13654

M65-69

13654

30K→20M

18.6 - 20.0 mi

Top 83%
×5
+64ft-50ft

Overall

24218

Males

14096

M65-69

14096

20M→21M

20.0 - 21.0 mi

Top 84%
×8
+106ft-24ft

Overall

24357

Males

14090

M65-69

14090

21M→35K

21.0 - 21.8 mi

Top 83%
×7
+17ft-86ft

Overall

24202

Males

14014

M65-69

14014

35K→23M

21.8 - 23.0 mi

Top 87%
×5
+23ft-63ft

Overall

25272

Males

14470

M65-69

14470

23M→24M

23.0 - 24.0 mi

Top 91%
×6
+12ft-82ft

Overall

26430

Males

15003

M65-69

15003

24M→40K

24.0 - 24.9 mi

Top 89%
×1
+6ft-20ft

Overall

25700

Males

14614

M65-69

14614

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1
+13ft-16ft

Overall

24928

Males

14233

M65-69

14233

25.2M→FINISH

25.2 - 26.2 mi

Top 90%
×2
+22ft-21ft

Overall

26002

Males

14757

M65-69

14757

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Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
655
Passed By
3260
Net Change
-2605
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20930
5K → 10K118535-417#20930#21347
10K → 15K70433-363#21347#21710
15K → 20K58569-511#21710#22221
20K → HALF2532-7#22221#22228
HALF → 25K87194-107#22228#22335
25K → 30K125338-213#22335#22548
30K → 20M33192-159#22548#22707
20M → 21M33147-114#22707#22821
21M → 35K1780-63#22821#22884
35K → 23M27201-174#22884#23058
23M → 24M11224-213#23058#23271
24M → 40K23146-123#23271#23394
40K → 25.2M937-28#23394#23422
25.2M → FINISH19132-113#23422#23535
TOTALS6553260-2605

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📊

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