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BOSTON MARATHON 2023

Aleksander Bayer

Bib: 11775•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 26%
Masters (Masters Men)
#0 / 9891
Top 12%
Division (M50-54)
#0 / 2052
Top 8%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:18
Rank: #7352
Start → 5K
7:11/mi
22:18 split
10K· 6.21 mi
43:55
Rank: #6891 (+461)
5K → 10K
6:57/mi
21:37 split
15K· 9.32 mi
1:05:08
Rank: #6422 (+469)
10K → 15K
6:50/mi
21:13 split
20K· 12.43 mi
1:26:34
Rank: #6131 (+291)
15K → 20K
6:54/mi
21:26 split
Half· 13.11 mi
1:31:12
Rank: #6091 (+40)
20K → Half
6:47/mi
4:38 split
25K· 15.53 mi
1:47:46
Rank: #5818 (+273)
Half → 25K
6:50/mi
16:34 split
30K· 18.64 mi
2:09:08
Rank: #5382 (+436)
25K → 30K
6:53/mi
21:22 split
20M
2:18:26
Rank: #5163 (+219)
30K → 20M
6:51/mi
9:18 split
21M
2:25:37
Rank: #4982 (+181)
20M → 21M
7:11/mi
7:11 split
35K· 21.75 mi
2:30:28
Rank: #4853 (+129)
21M → 35K
6:29/mi
4:51 split
23M
2:38:55
Rank: #4654 (+199)
35K → 23M
6:45/mi
8:27 split
24M
2:45:30
Rank: #4525 (+129)
23M → 24M
6:35/mi
6:35 split
40K· 24.85 mi
2:51:03
Rank: #4363 (+162)
24M → 40K
6:29/mi
5:33 split
25.2M
2:53:32
Rank: #4310 (+53)
40K → 25.2M
7:12/mi
2:29 split
Finish· 26.22 mi
3:00:01
Rank: #4195 (+115)
25.2M → Finish
6:22/mi
6:29 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:31:12
Pace6:57 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:49
Pace6:47 /mi
📊Negative Split: 2.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0422:187:1122:18
7:11
-
10K
6.21 mi11:11:4143:557:0421:37
6:57
-0:14
15K
9.32 mi11:32:541:05:086:5921:13
6:50
-0:07
20K
12.43 mi11:54:201:26:346:5821:26
6:54
+0:04
Half
13.11 mi11:58:581:31:126:574:38
6:47
-0:07
25K
15.53 mi12:15:321:47:466:5616:34
6:50
+0:03
30K
18.64 mi12:36:542:09:086:5621:22
6:53
+0:03
20M
20.00 mi12:46:122:18:266:559:18
6:51
-0:02
21M
21.00 mi12:53:232:25:376:567:11
7:11
+0:20
35K
21.75 mi12:58:142:30:286:554:51
6:29
-0:42
23M
23.00 mi13:06:412:38:556:558:27
6:45
+0:16
24M
24.00 mi13:13:162:45:306:546:35
6:35
-0:10
40K
24.85 mi13:18:492:51:036:535:33
6:29
-0:06
25.2M
25.20 mi13:21:182:53:326:532:29
7:12
+0:43
Finish
26.22 mi13:27:473:00:016:526:29
6:22
-0:50

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

6:22 /mi

Average Pace

6:52 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:03

82% of race

Time at Steady Pace

31:58

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:52 /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 mi10:50:0422:187:1122:18
7:11
#7352
10K
6.21 mi11:11:4143:557:0421:37
6:57
#6891
15K
9.32 mi11:32:541:05:086:5921:13
6:50
#6422
20K
12.43 mi11:54:201:26:346:5821:26
6:54
#6131
Half
13.11 mi11:58:581:31:126:574:38
6:47
#6091
25K
15.53 mi12:15:321:47:466:5616:34
6:50
#5818
30K
18.64 mi12:36:542:09:086:5621:22
6:53
#5382
20M
20.00 mi12:46:122:18:266:559:18
6:51
#5163
21M
21.00 mi12:53:232:25:376:567:11
7:11
#4982
35K
21.75 mi12:58:142:30:286:554:51
6:29
#4853
23M
23.00 mi13:06:412:38:556:558:27
6:45
#4654
24M
24.00 mi13:13:162:45:306:546:35
6:35
#4525
40K
24.85 mi13:18:492:51:036:535:33
6:29
#4363
25.2M
25.20 mi13:21:182:53:326:532:29
7:12
#4310
Finish
26.22 mi13:27:473:00:016:526:29
6:22
#4195
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7352653965395363(Top 20%)4948(Top 33%)4948(Top 241%)
10K6.21 mi3.10 mi6891+4616182+3576182+3576520(Top 24%)5870(Top 39%)5870(Top 286%)
15K9.32 mi3.11 mi6422+4695804+3785804+3785363(Top 20%)4948(Top 33%)4948(Top 241%)
20K12.43 mi3.11 mi6131+2915576+2285576+2285321(Top 20%)4911(Top 32%)4911(Top 239%)
Half13.11 mi0.68 mi6091+405548+285548+285129(Top 19%)4739(Top 31%)4739(Top 231%)
25K15.53 mi2.42 mi5818+2735336+2125336+2124433(Top 17%)4131(Top 27%)4131(Top 201%)
30K18.64 mi3.11 mi5382+4364965+3714965+3713514(Top 13%)3305(Top 22%)3305(Top 161%)
20M20.00 mi1.36 mi5163+2194774+1914774+1913101(Top 12%)2915(Top 19%)2915(Top 142%)
21M21.00 mi1.00 mi4982+1814613+1614613+1613024(Top 11%)2835(Top 19%)2835(Top 138%)
35K21.75 mi0.75 mi4853+1294507+1064507+1062366(Top 9%)2246(Top 15%)2246(Top 109%)
23M23.00 mi1.25 mi4654+1994327+1804327+1802400(Top 9%)2257(Top 15%)2257(Top 110%)
24M24.00 mi1.00 mi4525+1294218+1094218+1092504(Top 9%)2340(Top 15%)2340(Top 114%)
40K24.85 mi0.85 mi4363+1624074+1444074+1441531(Top 6%)1445(Top 10%)1445(Top 70%)
25.2M25.20 mi0.35 mi4310+534024+504024+502574(Top 10%)2387(Top 16%)2387(Top 116%)
Finish26.22 mi1.02 mi4195+1153920+1043920+1041885(Top 7%)1763(Top 12%)1763(Top 86%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5363

Males

4948

M50-54

4948

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6520

Males

5870

M50-54

5870

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5363

Males

4948

M50-54

4948

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5321

Males

4911

M50-54

4911

20K→Half

12.4 - 13.1 mi

Top 19%
×2story building
+19ft-37ft

Overall

5129

Males

4739

M50-54

4739

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4433

Males

4131

M50-54

4131

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3514

Males

3305

M50-54

3305

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3101

Males

2915

M50-54

2915

20M→21M

20.0 - 21.0 mi

Top 11%
×8story building
+106ft-24ft

Overall

3024

Males

2835

M50-54

2835

21M→35K

21.0 - 21.8 mi

Top 9%
×7story building
+17ft-86ft

Overall

2366

Males

2246

M50-54

2246

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2400

Males

2257

M50-54

2257

23M→24M

23.0 - 24.0 mi

Top 9%
×6story building
+12ft-82ft

Overall

2504

Males

2340

M50-54

2340

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1531

Males

1445

M50-54

1445

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2574

Males

2387

M50-54

2387

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1885

Males

1763

M50-54

1763

Passing Analysis

Category:
Athletes Passed
3254
Passed By
97
Net Change
+3157
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7352
5K → 10K51049+461#7352#6891
10K → 15K4767+469#6891#6422
15K → 20K2965+291#6422#6131
20K → Half444+40#6131#6091
Half → 25K2796+273#6091#5818
25K → 30K4393+436#5818#5382
30K → 20M2245+219#5382#5163
20M → 21M1810+181#5163#4982
21M → 35K1301+129#4982#4853
35K → 23M2034+199#4853#4654
23M → 24M1334+129#4654#4525
24M → 40K1631+162#4525#4363
40K → 25.2M563+53#4363#4310
25.2M → Finish1205+115#4310#4195
TOTALS325497+3157
📊

Passing Visuals

Category:
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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