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BOSTON MARATHON 2023

Tomasz Sekman

Bib: 11041•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 43%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 48%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:04
Rank: #9030
Start → 5K
23:04 | 7:25/mi
10K· 6.21 mi
45:41
Rank: #8828 (+202)
5K → 10K
22:37 | 7:17/mi
15K· 9.32 mi
1:08:09
Rank: #8544 (+284)
10K → 15K
22:28 | 7:14/mi
20K· 12.43 mi
1:30:58
Rank: #8387 (+157)
15K → 20K
22:49 | 7:21/mi
Half· 13.11 mi
1:36:03
Rank: #8461 (-74)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:54:44
Rank: #8724 (-263)
Half → 25K
18:41 | 7:42/mi
30K· 18.64 mi
2:21:12
Rank: #9776 (-1052)
25K → 30K
26:28 | 8:31/mi
20M
2:32:54
Rank: #10118 (-342)
30K → 20M
11:42 | 8:37/mi
21M
2:42:06
Rank: #10382 (-264)
20M → 21M
9:12 | 9:12/mi
35K· 21.75 mi
2:48:19
Rank: #10498 (-116)
21M → 35K
6:13 | 8:19/mi
23M
2:59:32
Rank: #10840 (-342)
35K → 23M
11:13 | 8:58/mi
24M
3:08:21
Rank: #11140 (-300)
23M → 24M
8:49 | 8:49/mi
40K· 24.85 mi
3:15:55
Rank: #11324 (-184)
24M → 40K
7:34 | 8:51/mi
25.2M
3:19:07
Rank: #11371 (-47)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:27:52
Rank: #11575 (-204)
25.2M → Finish
8:45 | 8:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:03
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:51:49
Pace8:32 /mi
📊Positive Split: 16.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4123:047:2523:04
7:25
-
10K
6.21 mi11:12:1845:417:2122:37
7:17
-0:08
15K
9.32 mi11:34:461:08:097:1922:28
7:14
-0:03
20K
12.43 mi11:57:351:30:587:1922:49
7:21
+0:07
Half
13.11 mi12:02:401:36:037:205:05
7:27
+0:06
25K
15.53 mi12:21:211:54:447:2318:41
7:42
+0:15
30K
18.64 mi12:47:492:21:127:3426:28
8:31
+0:49
20M
20.00 mi12:59:312:32:547:3911:42
8:37
+0:06
21M
21.00 mi13:08:432:42:067:439:12
9:12
+0:35
35K
21.75 mi13:14:562:48:197:446:13
8:19
-0:53
23M
23.00 mi13:26:092:59:327:4811:13
8:58
+0:39
24M
24.00 mi13:34:583:08:217:518:49
8:49
-0:09
40K
24.85 mi13:42:323:15:557:537:34
8:51
+0:02
25.2M
25.20 mi13:45:443:19:077:543:12
9:17
+0:26
Finish
26.22 mi13:54:293:27:527:568:45
8:35
-0:42

Checkpoints & Pacing

📈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

7:14 /mi

Average Pace

7:56 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:44

55% of race

Time at Steady Pace

1:09:31

33% of race

Time at Slower Pace

23:37

11% of race

Average Pace: 7:56 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:49:4123:047:2523:04
7:25
#9030
10K
6.21 mi11:12:1845:417:2122:37
7:17
#8828
15K
9.32 mi11:34:461:08:097:1922:28
7:14
#8544
20K
12.43 mi11:57:351:30:587:1922:49
7:21
#8387
Half
13.11 mi12:02:401:36:037:205:05
7:27
#8461
25K
15.53 mi12:21:211:54:447:2318:41
7:42
#8724
30K
18.64 mi12:47:492:21:127:3426:28
8:31
#9776
20M
20.00 mi12:59:312:32:547:3911:42
8:37
#10118
21M
21.00 mi13:08:432:42:067:439:12
9:12
#10382
35K
21.75 mi13:14:562:48:197:446:13
8:19
#10498
23M
23.00 mi13:26:092:59:327:4811:13
8:58
#10840
24M
24.00 mi13:34:583:08:217:518:49
8:49
#11140
40K
24.85 mi13:42:323:15:557:537:34
8:51
#11324
25.2M
25.20 mi13:45:443:19:077:543:12
9:17
#11371
Finish
26.22 mi13:54:293:27:527:568:45
8:35
#11575
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9030761776178020(Top 30%)6938(Top 46%)6938(Top 308%)
10K6.21 mi3.10 mi8828+2027478+1397478+1398715(Top 33%)7398(Top 49%)7398(Top 329%)
15K9.32 mi3.11 mi8544+2847297+1817297+1818020(Top 30%)6938(Top 46%)6938(Top 308%)
20K12.43 mi3.11 mi8387+1577189+1087189+1088111(Top 30%)6963(Top 46%)6963(Top 309%)
Half13.11 mi0.68 mi8461-747227-387227-389819(Top 37%)8012(Top 53%)8012(Top 356%)
25K15.53 mi2.42 mi8724-2637372-1457372-14510328(Top 39%)8172(Top 54%)8172(Top 363%)
30K18.64 mi3.11 mi9776-10527971-5997971-59914428(Top 54%)9827(Top 65%)9827(Top 436%)
20M20.00 mi1.36 mi10118-3428124-1538124-15314293(Top 54%)9677(Top 64%)9677(Top 430%)
21M21.00 mi1.00 mi10382-2648230-1068230-10614446(Top 54%)9686(Top 64%)9686(Top 430%)
35K21.75 mi0.75 mi10498-1168268-388268-3814108(Top 53%)9463(Top 62%)9463(Top 420%)
23M23.00 mi1.25 mi10840-3428405-1378405-13715812(Top 59%)10144(Top 67%)10144(Top 450%)
24M24.00 mi1.00 mi11140-3008528-1238528-12316250(Top 61%)10274(Top 68%)10274(Top 456%)
40K24.85 mi0.85 mi11324-1848594-668594-6615319(Top 58%)9817(Top 65%)9817(Top 436%)
25.2M25.20 mi0.35 mi11371-478601-78601-714006(Top 53%)9224(Top 61%)9224(Top 410%)
Finish26.22 mi1.02 mi11575-2048661-608661-6015873(Top 60%)10109(Top 67%)10109(Top 449%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8020

Males

6938

M45-49

6938

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8715

Males

7398

M45-49

7398

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8020

Males

6938

M45-49

6938

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8111

Males

6963

M45-49

6963

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9819

Males

8012

M45-49

8012

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10328

Males

8172

M45-49

8172

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14428

Males

9827

M45-49

9827

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14293

Males

9677

M45-49

9677

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14446

Males

9686

M45-49

9686

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14108

Males

9463

M45-49

9463

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15812

Males

10144

M45-49

10144

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

16250

Males

10274

M45-49

10274

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15319

Males

9817

M45-49

9817

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14006

Males

9224

M45-49

9224

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15873

Males

10109

M45-49

10109

Passing Analysis

Category:
Athletes Passed
1163
Passed By
3707
Net Change
-2545
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9030
5K → 10K377175+202#9030#8828
10K → 15K31531+284#8828#8544
15K → 20K21962+157#8544#8387
20K → Half680-74#8387#8461
Half → 25K37300-263#8461#8724
25K → 30K191071-1052#8724#9776
30K → 20M23364-342#9776#10118
20M → 21M36300-264#10118#10382
21M → 35K22138-116#10382#10498
35K → 23M19361-342#10498#10840
23M → 24M22322-300#10840#11140
24M → 40K20204-184#11140#11324
40K → 25.2M2067-47#11324#11371
25.2M → Finish28232-204#11371#11575
TOTALS11633707-2545
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing