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BOSTON MARATHON 2023

Bruce Langerak

Bib: 2607•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Masters (Masters Men)
#0 / 9891
Top 4%
Division (M50-54)
#0 / 2052
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:23
Rank: #2608
Start → 5K
20:23 | 6:34/mi
10K· 6.21 mi
40:32
Rank: #2640 (-32)
5K → 10K
20:09 | 6:29/mi
15K· 9.32 mi
1:00:44
Rank: #2623 (+17)
10K → 15K
20:12 | 6:30/mi
20K· 12.43 mi
1:21:01
Rank: #2561 (+62)
15K → 20K
20:17 | 6:32/mi
Half· 13.11 mi
1:25:25
Rank: #2550 (+11)
20K → Half
4:24 | 6:27/mi
25K· 15.53 mi
1:41:17
Rank: #2515 (+35)
Half → 25K
15:52 | 6:33/mi
30K· 18.64 mi
2:01:58
Rank: #2436 (+79)
25K → 30K
20:41 | 6:39/mi
20M
2:11:03
Rank: #2395 (+41)
30K → 20M
9:05 | 6:41/mi
21M
2:18:04
Rank: #2364 (+31)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:22:53
Rank: #2336 (+28)
21M → 35K
4:49 | 6:26/mi
23M
2:31:16
Rank: #2303 (+33)
35K → 23M
8:23 | 6:42/mi
24M
2:37:43
Rank: #2274 (+29)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:43:16
Rank: #2218 (+56)
24M → 40K
5:33 | 6:29/mi
25.2M
2:45:42
Rank: #2201 (+17)
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:52:14
Rank: #2146 (+55)
25.2M → Finish
6:32 | 6:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:25
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:26:49
Pace6:37 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3020:236:3420:23
6:34
-
10K
6.21 mi10:41:3940:326:3120:09
6:29
-0:05
15K
9.32 mi11:01:511:00:446:3120:12
6:30
+0:01
20K
12.43 mi11:22:081:21:016:3120:17
6:32
+0:02
Half
13.11 mi11:26:321:25:256:314:24
6:27
-0:05
25K
15.53 mi11:42:241:41:176:3115:52
6:33
+0:06
30K
18.64 mi12:03:052:01:586:3320:41
6:39
+0:06
20M
20.00 mi12:12:102:11:036:339:05
6:41
+0:02
21M
21.00 mi12:19:112:18:046:347:01
7:01
+0:20
35K
21.75 mi12:24:002:22:536:344:49
6:26
-0:35
23M
23.00 mi12:32:232:31:166:358:23
6:42
+0:16
24M
24.00 mi12:38:502:37:436:346:27
6:27
-0:15
40K
24.85 mi12:44:232:43:166:345:33
6:29
+0:02
25.2M
25.20 mi12:46:492:45:426:352:26
7:03
+0:34
Finish
26.22 mi12:53:212:52:146:346:32
6:25
-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

6:25 /mi

Average Pace

6:34 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:47

95% of race

Time at Steady Pace

9:27

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:34 /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 mi10:21:3020:236:3420:23
6:34
#2608
10K
6.21 mi10:41:3940:326:3120:09
6:29
#2640
15K
9.32 mi11:01:511:00:446:3120:12
6:30
#2623
20K
12.43 mi11:22:081:21:016:3120:17
6:32
#2561
Half
13.11 mi11:26:321:25:256:314:24
6:27
#2550
25K
15.53 mi11:42:241:41:176:3115:52
6:33
#2515
30K
18.64 mi12:03:052:01:586:3320:41
6:39
#2436
20M
20.00 mi12:12:102:11:036:339:05
6:41
#2395
21M
21.00 mi12:19:112:18:046:347:01
7:01
#2364
35K
21.75 mi12:24:002:22:536:344:49
6:26
#2336
23M
23.00 mi12:32:232:31:166:358:23
6:42
#2303
24M
24.00 mi12:38:502:37:436:346:27
6:27
#2274
40K
24.85 mi12:44:232:43:166:345:33
6:29
#2218
25.2M
25.20 mi12:46:492:45:426:352:26
7:03
#2201
Finish
26.22 mi12:53:212:52:146:346:32
6:25
#2146
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi2608248524852639(Top 10%)2524(Top 17%)2524(Top 123%)
10K6.21 mi3.10 mi2640-322520-352520-352697(Top 10%)2579(Top 17%)2579(Top 126%)
15K9.32 mi3.11 mi2623+172504+162504+162639(Top 10%)2524(Top 17%)2524(Top 123%)
20K12.43 mi3.11 mi2561+622450+542450+542443(Top 9%)2339(Top 15%)2339(Top 114%)
Half13.11 mi0.68 mi2550+112443+72443+72460(Top 9%)2359(Top 16%)2359(Top 115%)
25K15.53 mi2.42 mi2515+352408+352408+352391(Top 9%)2290(Top 15%)2290(Top 112%)
30K18.64 mi3.11 mi2436+792333+752333+752203(Top 8%)2103(Top 14%)2103(Top 102%)
20M20.00 mi1.36 mi2395+412294+392294+392199(Top 8%)2091(Top 14%)2091(Top 102%)
21M21.00 mi1.00 mi2364+312265+292265+292203(Top 8%)2081(Top 14%)2081(Top 101%)
35K21.75 mi0.75 mi2336+282238+272238+272121(Top 8%)2014(Top 13%)2014(Top 98%)
23M23.00 mi1.25 mi2303+332207+312207+312157(Top 8%)2037(Top 13%)2037(Top 99%)
24M24.00 mi1.00 mi2274+292178+292178+291893(Top 7%)1779(Top 12%)1779(Top 87%)
40K24.85 mi0.85 mi2218+562129+492129+491506(Top 6%)1420(Top 9%)1420(Top 69%)
25.2M25.20 mi0.35 mi2201+172112+172112+171913(Top 7%)1796(Top 12%)1796(Top 88%)
Finish26.22 mi1.02 mi2146+552058+542058+542055(Top 8%)1910(Top 13%)1910(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2639

Males

2524

M50-54

2524

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2697

Males

2579

M50-54

2579

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2639

Males

2524

M50-54

2524

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2443

Males

2339

M50-54

2339

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2460

Males

2359

M50-54

2359

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2391

Males

2290

M50-54

2290

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2203

Males

2103

M50-54

2103

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2199

Males

2091

M50-54

2091

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2203

Males

2081

M50-54

2081

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2121

Males

2014

M50-54

2014

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2157

Males

2037

M50-54

2037

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1893

Males

1779

M50-54

1779

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1506

Males

1420

M50-54

1420

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1913

Males

1796

M50-54

1796

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2055

Males

1910

M50-54

1910

Passing Analysis

Category:
Athletes Passed
886
Passed By
424
Net Change
+462
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2608
5K → 10K133165-32#2608#2640
10K → 15K8467+17#2640#2623
15K → 20K9735+62#2623#2561
20K → Half187+11#2561#2550
Half → 25K6732+35#2550#2515
25K → 30K10930+79#2515#2436
30K → 20M5615+41#2436#2395
20M → 21M4716+31#2395#2364
21M → 35K357+28#2364#2336
35K → 23M5219+33#2336#2303
23M → 24M4516+29#2303#2274
24M → 40K615+56#2274#2218
40K → 25.2M203+17#2218#2201
25.2M → Finish627+55#2201#2146
TOTALS886424+462
📊

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