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BOSTON MARATHON 2023

Peter Heinzl

Bib: 11569•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
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
22:52
Rank: #8510
Start → 5K
22:52 | 7:22/mi
10K· 6.21 mi
45:50
Rank: #9008 (-498)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:08:58
Rank: #9177 (-169)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:32:19
Rank: #9217 (-40)
15K → 20K
23:21 | 7:31/mi
Half· 13.11 mi
1:37:24
Rank: #9249 (-32)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:55:59
Rank: #9364 (-115)
Half → 25K
18:35 | 7:40/mi
30K· 18.64 mi
2:21:37
Rank: #9946 (-582)
25K → 30K
25:38 | 8:15/mi
20M
2:32:57
Rank: #10140 (-194)
30K → 20M
11:20 | 8:20/mi
21M
2:42:28
Rank: #10507 (-367)
20M → 21M
9:31 | 9:31/mi
35K· 21.75 mi
2:48:15
Rank: #10471 (+36)
21M → 35K
5:47 | 7:44/mi
23M
2:58:55
Rank: #10629 (-158)
35K → 23M
10:40 | 8:31/mi
24M
3:06:56
Rank: #10660 (-31)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:14:05
Rank: #10695 (-35)
24M → 40K
7:09 | 8:22/mi
25.2M
3:17:30
Rank: #10829 (-134)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:25:55
Rank: #10946 (-117)
25.2M → Finish
8:25 | 8:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:24
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:48:31
Pace8:17 /mi
📊Positive Split: 11.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4822:527:2222:52
7:22
-
10K
6.21 mi11:12:4645:507:2322:58
7:24
+0:02
15K
9.32 mi11:35:541:08:587:2423:08
7:27
+0:03
20K
12.43 mi11:59:151:32:197:2623:21
7:31
+0:04
Half
13.11 mi12:04:201:37:247:265:05
7:27
-0:04
25K
15.53 mi12:22:551:55:597:2818:35
7:40
+0:13
30K
18.64 mi12:48:332:21:377:3625:38
8:15
+0:35
20M
20.00 mi12:59:532:32:577:3911:20
8:20
+0:05
21M
21.00 mi13:09:242:42:287:449:31
9:31
+1:11
35K
21.75 mi13:15:112:48:157:445:47
7:44
-1:47
23M
23.00 mi13:25:512:58:557:4710:40
8:31
+0:47
24M
24.00 mi13:33:523:06:567:478:01
8:01
-0:30
40K
24.85 mi13:41:013:14:057:497:09
8:22
+0:21
25.2M
25.20 mi13:44:263:17:307:503:25
9:54
+1:32
Finish
26.22 mi13:52:513:25:557:528:25
8:16
-1:38

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

7:22 /mi

Average Pace

7:52 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:24

47% of race

Time at Steady Pace

1:24:55

41% of race

Time at Slower Pace

23:36

11% of race

Average Pace: 7:51 /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 mi10:49:4822:527:2222:52
7:22
#8510
10K
6.21 mi11:12:4645:507:2322:58
7:24
#9008
15K
9.32 mi11:35:541:08:587:2423:08
7:27
#9177
20K
12.43 mi11:59:151:32:197:2623:21
7:31
#9217
Half
13.11 mi12:04:201:37:247:265:05
7:27
#9249
25K
15.53 mi12:22:551:55:597:2818:35
7:40
#9364
30K
18.64 mi12:48:332:21:377:3625:38
8:15
#9946
20M
20.00 mi12:59:532:32:577:3911:20
8:20
#10140
21M
21.00 mi13:09:242:42:287:449:31
9:31
#10507
35K
21.75 mi13:15:112:48:157:445:47
7:44
#10471
23M
23.00 mi13:25:512:58:557:4710:40
8:31
#10629
24M
24.00 mi13:33:523:06:567:478:01
8:01
#10660
40K
24.85 mi13:41:013:14:057:497:09
8:22
#10695
25.2M
25.20 mi13:44:263:17:307:503:25
9:54
#10829
Finish
26.22 mi13:52:513:25:557:528:25
8:16
#10946
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8510731073109731(Top 37%)8001(Top 53%)8001(Top 355%)
10K6.21 mi3.10 mi9008-4987580-2707580-2709554(Top 36%)7904(Top 52%)7904(Top 351%)
15K9.32 mi3.11 mi9177-1697676-967676-969731(Top 37%)8001(Top 53%)8001(Top 355%)
20K12.43 mi3.11 mi9217-407684-87684-89433(Top 35%)7759(Top 51%)7759(Top 345%)
Half13.11 mi0.68 mi9249-327698-147698-149808(Top 37%)8001(Top 53%)8001(Top 355%)
25K15.53 mi2.42 mi9364-1157764-667764-6610028(Top 38%)8002(Top 53%)8002(Top 355%)
30K18.64 mi3.11 mi9946-5828065-3018065-30112673(Top 48%)9085(Top 60%)9085(Top 403%)
20M20.00 mi1.36 mi10140-1948131-668131-6612593(Top 47%)8935(Top 59%)8935(Top 397%)
21M21.00 mi1.00 mi10507-3678284-1538284-15315998(Top 60%)10341(Top 68%)10341(Top 459%)
35K21.75 mi0.75 mi10471+368254+308254+3010136(Top 38%)7696(Top 51%)7696(Top 342%)
23M23.00 mi1.25 mi10629-1588297-438297-4313330(Top 50%)9053(Top 60%)9053(Top 402%)
24M24.00 mi1.00 mi10660-318291+68291+611330(Top 43%)8061(Top 53%)8061(Top 358%)
40K24.85 mi0.85 mi10695-358281+108281+1012426(Top 47%)8507(Top 56%)8507(Top 378%)
25.2M25.20 mi0.35 mi10829-1348333-528333-5216930(Top 64%)10507(Top 69%)10507(Top 467%)
Finish26.22 mi1.02 mi10946-1178366-338366-3313808(Top 52%)9149(Top 60%)9149(Top 406%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9731

Males

8001

M45-49

8001

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9554

Males

7904

M45-49

7904

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9731

Males

8001

M45-49

8001

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

9433

Males

7759

M45-49

7759

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9808

Males

8001

M45-49

8001

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10028

Males

8002

M45-49

8002

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12673

Males

9085

M45-49

9085

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12593

Males

8935

M45-49

8935

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15998

Males

10341

M45-49

10341

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10136

Males

7696

M45-49

7696

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13330

Males

9053

M45-49

9053

23M→24M

23.0 - 24.0 mi

Top 43%
×6stories
+12ft-82ft

Overall

11330

Males

8061

M45-49

8061

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12426

Males

8507

M45-49

8507

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16930

Males

10507

M45-49

10507

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13808

Males

9149

M45-49

9149

Passing Analysis

Category:
Athletes Passed
773*
Passed By
3208
Net Change
-2436
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8510
5K → 10K93591-498#8510#9008
10K → 15K91260-169#9008#9177
15K → 20K118158-40#9177#9217
20K → Half1850-32#9217#9249
Half → 25K77192-115#9249#9364
25K → 30K46*628-582#9364#9946
30K → 20M42235-194#9946#10140
20M → 21M23390-367#10140#10507
21M → 35K6428+36#10507#10471
35K → 23M41199-158#10471#10629
23M → 24M6394-31#10629#10660
24M → 40K5792-35#10660#10695
40K → 25.2M6140-134#10695#10829
25.2M → Finish34151-117#10829#10946
TOTALS773*3208-2436

* 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