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BOSTON MARATHON 2023

Michael Berg

Bib: 10472•M

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 37%
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
24:06
Rank: #11960
Start → 5K
24:06 | 7:45/mi
10K· 6.21 mi
47:13
Rank: #10900 (+1060)
5K → 10K
23:07 | 7:26/mi
15K· 9.32 mi
1:10:28
Rank: #10583 (+317)
10K → 15K
23:15 | 7:29/mi
20K· 12.43 mi
1:34:01
Rank: #10390 (+193)
15K → 20K
23:33 | 7:35/mi
Half· 13.11 mi
1:39:06
Rank: #10362 (+28)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:57:26
Rank: #10131 (+231)
Half → 25K
18:20 | 7:34/mi
30K· 18.64 mi
2:21:25
Rank: #9864 (+267)
25K → 30K
23:59 | 7:43/mi
20M
2:31:58
Rank: #9719 (+145)
30K → 20M
10:33 | 7:46/mi
21M
2:40:02
Rank: #9591 (+128)
20M → 21M
8:04 | 8:04/mi
35K· 21.75 mi
2:45:42
Rank: #9555 (+36)
21M → 35K
5:40 | 7:34/mi
23M
2:55:21
Rank: #9400 (+155)
35K → 23M
9:39 | 7:42/mi
24M
3:02:56
Rank: #9311 (+89)
23M → 24M
7:35 | 7:35/mi
40K· 24.85 mi
3:09:28
Rank: #9226 (+85)
24M → 40K
6:32 | 7:38/mi
25.2M
3:12:17
Rank: #9191 (+35)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:19:42
Rank: #9110 (+81)
25.2M → Finish
7:25 | 7:17/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:06
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:40:36
Pace7:40 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2824:067:4524:06
7:45
-
10K
6.21 mi11:13:3547:137:3623:07
7:26
-0:19
15K
9.32 mi11:36:501:10:287:3423:15
7:29
+0:03
20K
12.43 mi12:00:231:34:017:3423:33
7:35
+0:06
Half
13.11 mi12:05:281:39:067:345:05
7:27
-0:08
25K
15.53 mi12:23:481:57:267:3418:20
7:34
+0:07
30K
18.64 mi12:47:472:21:257:3523:59
7:43
+0:09
20M
20.00 mi12:58:202:31:587:3610:33
7:46
+0:03
21M
21.00 mi13:06:242:40:027:378:04
8:04
+0:18
35K
21.75 mi13:12:042:45:427:375:40
7:34
-0:30
23M
23.00 mi13:21:432:55:217:379:39
7:42
+0:08
24M
24.00 mi13:29:183:02:567:377:35
7:35
-0:07
40K
24.85 mi13:35:503:09:287:376:32
7:38
+0:03
25.2M
25.20 mi13:38:393:12:177:382:49
8:10
+0:32
Finish
26.22 mi13:46:043:19:427:377:25
7:17
-0:53

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

7:17 /mi

Average Pace

7:37 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:08:49

95% of race

Time at Steady Pace

10:53

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:50:2824:067:4524:06
7:45
#11960
10K
6.21 mi11:13:3547:137:3623:07
7:26
#10900
15K
9.32 mi11:36:501:10:287:3423:15
7:29
#10583
20K
12.43 mi12:00:231:34:017:3423:33
7:35
#10390
Half
13.11 mi12:05:281:39:067:345:05
7:27
#10362
25K
15.53 mi12:23:481:57:267:3418:20
7:34
#10131
30K
18.64 mi12:47:472:21:257:3523:59
7:43
#9864
20M
20.00 mi12:58:202:31:587:3610:33
7:46
#9719
21M
21.00 mi13:06:242:40:027:378:04
8:04
#9591
35K
21.75 mi13:12:042:45:427:375:40
7:34
#9555
23M
23.00 mi13:21:432:55:217:379:39
7:42
#9400
24M
24.00 mi13:29:183:02:567:377:35
7:35
#9311
40K
24.85 mi13:35:503:09:287:376:32
7:38
#9226
25.2M
25.20 mi13:38:393:12:177:382:49
8:10
#9191
Finish
26.22 mi13:46:043:19:427:377:25
7:17
#9110
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi119609092909210034(Top 38%)8160(Top 54%)8160(Top 362%)
10K6.21 mi3.10 mi10900+10608608+4848608+4849966(Top 37%)8150(Top 54%)8150(Top 362%)
15K9.32 mi3.11 mi10583+3178456+1528456+15210034(Top 38%)8160(Top 54%)8160(Top 362%)
20K12.43 mi3.11 mi10390+1938360+968360+969935(Top 37%)8034(Top 53%)8034(Top 357%)
Half13.11 mi0.68 mi10362+288338+228338+229759(Top 37%)7952(Top 52%)7952(Top 353%)
25K15.53 mi2.42 mi10131+2318199+1398199+1399234(Top 35%)7573(Top 50%)7573(Top 336%)
30K18.64 mi3.11 mi9864+2678018+1818018+1818783(Top 33%)7152(Top 47%)7152(Top 318%)
20M20.00 mi1.36 mi9719+1457908+1107908+1108571(Top 32%)6938(Top 46%)6938(Top 308%)
21M21.00 mi1.00 mi9591+1287815+937815+937784(Top 29%)6367(Top 42%)6367(Top 283%)
35K21.75 mi0.75 mi9555+367776+397776+399062(Top 34%)7105(Top 47%)7105(Top 315%)
23M23.00 mi1.25 mi9400+1557661+1157661+1157763(Top 29%)6288(Top 41%)6288(Top 279%)
24M24.00 mi1.00 mi9311+897581+807581+808274(Top 31%)6479(Top 43%)6479(Top 288%)
40K24.85 mi0.85 mi9226+857503+787503+787564(Top 28%)5976(Top 39%)5976(Top 265%)
25.2M25.20 mi0.35 mi9191+357469+347469+347484(Top 28%)5884(Top 39%)5884(Top 261%)
Finish26.22 mi1.02 mi9110+817404+657404+656962(Top 26%)5545(Top 37%)5545(Top 246%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

10034

Males

8160

M45-49

8160

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9966

Males

8150

M45-49

8150

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

10034

Males

8160

M45-49

8160

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9935

Males

8034

M45-49

8034

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9759

Males

7952

M45-49

7952

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9234

Males

7573

M45-49

7573

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8783

Males

7152

M45-49

7152

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8571

Males

6938

M45-49

6938

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7784

Males

6367

M45-49

6367

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

9062

Males

7105

M45-49

7105

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7763

Males

6288

M45-49

6288

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8274

Males

6479

M45-49

6479

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7564

Males

5976

M45-49

5976

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7484

Males

5884

M45-49

5884

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6962

Males

5545

M45-49

5545

Passing Analysis

Category:
Athletes Passed
3276*
Passed By
426
Net Change
+2850
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11960
5K → 10K110848+1060#11960#10900
10K → 15K38164+317#10900#10583
15K → 20K25360+193#10583#10390
20K → Half4820+28#10390#10362
Half → 25K26534+231#10362#10131
25K → 30K315*48+267#10131#9864
30K → 20M16520+145#9864#9719
20M → 21M14416+128#9719#9591
21M → 35K6428+36#9591#9555
35K → 23M16813+155#9555#9400
23M → 24M11324+89#9400#9311
24M → 40K11126+85#9311#9226
40K → 25.2M427+35#9226#9191
25.2M → Finish9918+81#9191#9110
TOTALS3276*426+2850

* 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