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BOSTON MARATHON 2023

Jan Struhar

Bib: 5582•M

IL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 9%
Gender (Male)
#0 / 15176
Top 15%
Division (M18-39)
#0 / 5285
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:37
Rank: #3116
Start → 5K
20:37 | 6:38/mi
10K· 6.21 mi
40:58
Rank: #3101 (+15)
5K → 10K
20:21 | 6:33/mi
15K· 9.32 mi
1:01:12
Rank: #2938 (+163)
10K → 15K
20:14 | 6:31/mi
20K· 12.43 mi
1:21:19
Rank: #2692 (+246)
15K → 20K
20:07 | 6:28/mi
Half· 13.11 mi
1:25:46
Rank: #2693 (-1)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:41:30
Rank: #2594 (+99)
Half → 25K
15:44 | 6:29/mi
30K· 18.64 mi
2:01:42
Rank: #2369 (+225)
25K → 30K
20:12 | 6:30/mi
20M
2:10:57
Rank: #2373 (-4)
30K → 20M
9:15 | 6:48/mi
21M
2:18:07
Rank: #2375 (-2)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:23:03
Rank: #2368 (+7)
21M → 35K
4:56 | 6:36/mi
23M
2:31:52
Rank: #2410 (-42)
35K → 23M
8:49 | 7:03/mi
24M
2:38:47
Rank: #2444 (-34)
23M → 24M
6:55 | 6:55/mi
40K· 24.85 mi
2:44:43
Rank: #2456 (-12)
24M → 40K
5:56 | 6:56/mi
25.2M
2:47:12
Rank: #2444 (+12)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:53:45
Rank: #2419 (+25)
25.2M → Finish
6:33 | 6:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:46
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:27:59
Pace6:43 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5620:376:3820:37
6:38
-
10K
6.21 mi10:43:1740:586:3620:21
6:33
-0:05
15K
9.32 mi11:03:311:01:126:3420:14
6:31
-0:02
20K
12.43 mi11:23:381:21:196:3320:07
6:28
-0:03
Half
13.11 mi11:28:051:25:466:334:27
6:31
+0:03
25K
15.53 mi11:43:491:41:306:3215:44
6:29
-0:02
30K
18.64 mi12:04:012:01:426:3220:12
6:30
+0:01
20M
20.00 mi12:13:162:10:576:339:15
6:48
+0:18
21M
21.00 mi12:20:262:18:076:357:10
7:10
+0:22
35K
21.75 mi12:25:222:23:036:354:56
6:36
-0:34
23M
23.00 mi12:34:112:31:526:368:49
7:03
+0:27
24M
24.00 mi12:41:062:38:476:376:55
6:55
-0:08
40K
24.85 mi12:47:022:44:436:385:56
6:56
+0:01
25.2M
25.20 mi12:49:312:47:126:382:29
7:12
+0:16
Finish
26.22 mi12:56:042:53:456:386:33
6:26
-0:46

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

6:26 /mi

Average Pace

6:38 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:06

94% of race

Time at Steady Pace

9:39

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:22:5620:376:3820:37
6:38
#3116
10K
6.21 mi10:43:1740:586:3620:21
6:33
#3101
15K
9.32 mi11:03:311:01:126:3420:14
6:31
#2938
20K
12.43 mi11:23:381:21:196:3320:07
6:28
#2692
Half
13.11 mi11:28:051:25:466:334:27
6:31
#2693
25K
15.53 mi11:43:491:41:306:3215:44
6:29
#2594
30K
18.64 mi12:04:012:01:426:3220:12
6:30
#2369
20M
20.00 mi12:13:162:10:576:339:15
6:48
#2373
21M
21.00 mi12:20:262:18:076:357:10
7:10
#2375
35K
21.75 mi12:25:222:23:036:354:56
6:36
#2368
23M
23.00 mi12:34:112:31:526:368:49
7:03
#2410
24M
24.00 mi12:41:062:38:476:376:55
6:55
#2444
40K
24.85 mi12:47:022:44:436:385:56
6:56
#2456
25.2M
25.20 mi12:49:312:47:126:382:29
7:12
#2444
Finish
26.22 mi12:56:042:53:456:386:33
6:26
#2419
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3116294429442709(Top 10%)2588(Top 17%)2588(Top 49%)
10K6.21 mi3.10 mi3101+152949-52949-53113(Top 12%)2969(Top 20%)2969(Top 56%)
15K9.32 mi3.11 mi2938+1632801+1482801+1482709(Top 10%)2588(Top 17%)2588(Top 49%)
20K12.43 mi3.11 mi2692+2462571+2302571+2302164(Top 8%)2076(Top 14%)2076(Top 39%)
Half13.11 mi0.68 mi2693-12573-22573-22890(Top 11%)2765(Top 18%)2765(Top 52%)
25K15.53 mi2.42 mi2594+992481+922481+922122(Top 8%)2035(Top 13%)2035(Top 39%)
30K18.64 mi3.11 mi2369+2252270+2112270+2111571(Top 6%)1504(Top 10%)1504(Top 28%)
20M20.00 mi1.36 mi2373-42274-42274-42836(Top 11%)2671(Top 18%)2671(Top 51%)
21M21.00 mi1.00 mi2375-22276-22276-22901(Top 11%)2718(Top 18%)2718(Top 51%)
35K21.75 mi0.75 mi2368+72268+82268+82929(Top 11%)2740(Top 18%)2740(Top 52%)
23M23.00 mi1.25 mi2410-422306-382306-383958(Top 15%)3639(Top 24%)3639(Top 69%)
24M24.00 mi1.00 mi2444-342338-322338-324221(Top 16%)3833(Top 25%)3833(Top 73%)
40K24.85 mi0.85 mi2456-122347-92347-93501(Top 13%)3180(Top 21%)3180(Top 60%)
25.2M25.20 mi0.35 mi2444+122334+132334+132491(Top 9%)2304(Top 15%)2304(Top 44%)
Finish26.22 mi1.02 mi2419+252310+242310+242126(Top 8%)1971(Top 13%)1971(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2709

Males

2588

M18-39

2588

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3113

Males

2969

M18-39

2969

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2709

Males

2588

M18-39

2588

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2164

Males

2076

M18-39

2076

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2890

Males

2765

M18-39

2765

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2122

Males

2035

M18-39

2035

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1571

Males

1504

M18-39

1504

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

2836

Males

2671

M18-39

2671

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2901

Males

2718

M18-39

2718

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

2929

Males

2740

M18-39

2740

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3958

Males

3639

M18-39

3639

23M→24M

23.0 - 24.0 mi

Top 16%
×6stories
+12ft-82ft

Overall

4221

Males

3833

M18-39

3833

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3501

Males

3180

M18-39

3180

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2491

Males

2304

M18-39

2304

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2126

Males

1971

M18-39

1971

Passing Analysis

Category:
Athletes Passed
1176
Passed By
479
Net Change
+697
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3116
5K → 10K159144+15#3116#3101
10K → 15K19734+163#3101#2938
15K → 20K2515+246#2938#2692
20K → Half1718-1#2692#2693
Half → 25K1045+99#2693#2594
25K → 30K2261+225#2594#2369
30K → 20M3337-4#2369#2373
20M → 21M2931-2#2373#2375
21M → 35K2720+7#2375#2368
35K → 23M2668-42#2368#2410
23M → 24M1246-34#2410#2444
24M → 40K2234-12#2444#2456
40K → 25.2M219+12#2456#2444
25.2M → Finish5227+25#2444#2419
TOTALS1176479+697
📊

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