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BOSTON MARATHON 2023

Marek Vesely

Bib: 12804•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M50-54)
#0 / 2052
Top 41%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:58
Rank: #11558
Start → 5K
23:58 | 7:43/mi
10K· 6.21 mi
48:30
Rank: #12738 (-1180)
5K → 10K
24:32 | 7:54/mi
15K· 9.32 mi
1:11:52
Rank: #11874 (+864)
10K → 15K
23:22 | 7:31/mi
20K· 12.43 mi
1:35:37
Rank: #11480 (+394)
15K → 20K
23:45 | 7:39/mi
Half· 13.11 mi
1:40:46
Rank: #11420 (+60)
20K → Half
5:09 | 7:33/mi
25K· 15.53 mi
1:59:20
Rank: #11154 (+266)
Half → 25K
18:34 | 7:39/mi
30K· 18.64 mi
2:23:33
Rank: #10776 (+378)
25K → 30K
24:13 | 7:48/mi
20M
2:34:15
Rank: #10656 (+120)
30K → 20M
10:42 | 7:52/mi
21M
2:42:27
Rank: #10498 (+158)
20M → 21M
8:12 | 8:12/mi
35K· 21.75 mi
2:47:51
Rank: #10338 (+160)
21M → 35K
5:24 | 7:13/mi
23M
2:57:38
Rank: #10202 (+136)
35K → 23M
9:47 | 7:49/mi
24M
3:05:32
Rank: #10173 (+29)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:12:11
Rank: #10096 (+77)
24M → 40K
6:39 | 7:47/mi
25.2M
3:15:04
Rank: #10051 (+45)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:22:57
Rank: #10036 (+15)
25.2M → Finish
7:53 | 7:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:46
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:42:11
Pace7:48 /mi
📊Positive Split: 1.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0323:587:4323:58
7:43
-
10K
6.21 mi11:16:3548:307:4824:32
7:54
+0:11
15K
9.32 mi11:39:571:11:527:4323:22
7:31
-0:23
20K
12.43 mi12:03:421:35:377:4223:45
7:39
+0:08
Half
13.11 mi12:08:511:40:467:415:09
7:33
-0:06
25K
15.53 mi12:27:251:59:207:4118:34
7:39
+0:06
30K
18.64 mi12:51:382:23:337:4224:13
7:48
+0:09
20M
20.00 mi13:02:202:34:157:4310:42
7:52
+0:04
21M
21.00 mi13:10:322:42:277:448:12
8:12
+0:20
35K
21.75 mi13:15:562:47:517:435:24
7:13
-0:59
23M
23.00 mi13:25:432:57:387:439:47
7:49
+0:36
24M
24.00 mi13:33:373:05:327:447:54
7:54
+0:05
40K
24.85 mi13:40:163:12:117:446:39
7:47
-0:07
25.2M
25.20 mi13:43:093:15:047:442:53
8:22
+0:35
Finish
26.22 mi13:51:023:22:577:457:53
7:44
-0:38

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

7:13 /mi

Average Pace

7:45 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:11:52

95% of race

Time at Steady Pace

11:05

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:44 /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 mi10:52:0323:587:4323:58
7:43
#11558
10K
6.21 mi11:16:3548:307:4824:32
7:54
#12738
15K
9.32 mi11:39:571:11:527:4323:22
7:31
#11874
20K
12.43 mi12:03:421:35:377:4223:45
7:39
#11480
Half
13.11 mi12:08:511:40:467:415:09
7:33
#11420
25K
15.53 mi12:27:251:59:207:4118:34
7:39
#11154
30K
18.64 mi12:51:382:23:337:4224:13
7:48
#10776
20M
20.00 mi13:02:202:34:157:4310:42
7:52
#10656
21M
21.00 mi13:10:322:42:277:448:12
8:12
#10498
35K
21.75 mi13:15:562:47:517:435:24
7:13
#10338
23M
23.00 mi13:25:432:57:387:439:47
7:49
#10202
24M
24.00 mi13:33:373:05:327:447:54
7:54
#10173
40K
24.85 mi13:40:163:12:117:446:39
7:47
#10096
25.2M
25.20 mi13:43:093:15:047:442:53
8:22
#10051
Finish
26.22 mi13:51:023:22:577:457:53
7:44
#10036
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi115588920892010337(Top 39%)8321(Top 55%)8321(Top 406%)
10K6.21 mi3.10 mi12738-11809438-5189438-51813939(Top 52%)9908(Top 65%)9908(Top 483%)
15K9.32 mi3.11 mi11874+8649037+4019037+40110337(Top 39%)8321(Top 55%)8321(Top 406%)
20K12.43 mi3.11 mi11480+3948857+1808857+18010451(Top 39%)8315(Top 55%)8315(Top 405%)
Half13.11 mi0.68 mi11420+608826+318826+3110546(Top 40%)8368(Top 55%)8368(Top 408%)
25K15.53 mi2.42 mi11154+2668698+1288698+1289953(Top 37%)7956(Top 52%)7956(Top 388%)
30K18.64 mi3.11 mi10776+3788473+2258473+2259315(Top 35%)7464(Top 49%)7464(Top 364%)
20M20.00 mi1.36 mi10656+1208382+918382+919381(Top 35%)7409(Top 49%)7409(Top 361%)
21M21.00 mi1.00 mi10498+1588279+1038279+1038614(Top 32%)6850(Top 45%)6850(Top 334%)
35K21.75 mi0.75 mi10338+1608193+868193+866650(Top 25%)5687(Top 37%)5687(Top 277%)
23M23.00 mi1.25 mi10202+1368092+1018092+1018507(Top 32%)6708(Top 44%)6708(Top 327%)
24M24.00 mi1.00 mi10173+298050+428050+4210497(Top 39%)7652(Top 50%)7652(Top 373%)
40K24.85 mi0.85 mi10096+777980+707980+708518(Top 32%)6570(Top 43%)6570(Top 320%)
25.2M25.20 mi0.35 mi10051+457939+417939+418647(Top 32%)6548(Top 43%)6548(Top 319%)
Finish26.22 mi1.02 mi10036+157913+267913+2610193(Top 38%)7393(Top 49%)7393(Top 360%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10337

Males

8321

M50-54

8321

5K→10K

3.1 - 6.2 mi

Top 52%
×5stories
+79ft-138ft

Overall

13939

Males

9908

M50-54

9908

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10337

Males

8321

M50-54

8321

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10451

Males

8315

M50-54

8315

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10546

Males

8368

M50-54

8368

Half→25K

13.1 - 15.5 mi

Top 37%
×4stories
+66ft-88ft

Overall

9953

Males

7956

M50-54

7956

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

9315

Males

7464

M50-54

7464

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9381

Males

7409

M50-54

7409

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8614

Males

6850

M50-54

6850

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6650

Males

5687

M50-54

5687

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8507

Males

6708

M50-54

6708

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10497

Males

7652

M50-54

7652

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8518

Males

6570

M50-54

6570

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8647

Males

6548

M50-54

6548

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10193

Males

7393

M50-54

7393

Passing Analysis

Category:
Athletes Passed
3055*
Passed By
1533
Net Change
+1522
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11558
5K → 10K421222-1180#11558#12738
10K → 15K87612+864#12738#11874
15K → 20K42228+394#11874#11480
20K → Half7010+60#11480#11420
Half → 25K28115+266#11420#11154
25K → 30K40426+378#11154#10776
30K → 20M148*28+120#10776#10656
20M → 21M17517+158#10656#10498
21M → 35K1600+160#10498#10338
35K → 23M15418+136#10338#10202
23M → 24M8758+29#10202#10173
24M → 40K10023+77#10173#10096
40K → 25.2M56*11+45#10096#10051
25.2M → Finish8065+15#10051#10036
TOTALS3055*1533+1522

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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