David Langkam

Bib: 12757M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 34%
Gender (Male)
#0 / 15176
Top 48%
Masters (Masters Men)
#0 / 9891
Top 37%
Division (M50-54)
#0 / 2052
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:01
Rank: #11708
Start5K
24:01 | 7:44/mi
10K· 6.21 mi
47:23
Rank: #11138 (+570)
5K10K
23:22 | 7:31/mi
15K· 9.32 mi
1:10:46
Rank: #10858 (+280)
10K15K
23:23 | 7:32/mi
20K· 12.43 mi
1:34:11
Rank: #10503 (+355)
15K20K
23:25 | 7:32/mi
Half· 13.11 mi
1:39:14
Rank: #10447 (+56)
20KHalf
5:03 | 7:24/mi
25K· 15.53 mi
1:57:28
Rank: #10154 (+293)
Half25K
18:14 | 7:31/mi
30K· 18.64 mi
2:20:54
Rank: #9651 (+503)
25K30K
23:26 | 7:33/mi
20M
2:31:21
Rank: #9504 (+147)
30K20M
10:27 | 7:41/mi
21M
2:39:22
Rank: #9334 (+170)
20M21M
8:01 | 8:01/mi
35K· 21.75 mi
2:44:52
Rank: #9248 (+86)
21M35K
5:30 | 7:21/mi
23M
2:54:38
Rank: #9178 (+70)
35K23M
9:46 | 7:48/mi
24M
3:02:06
Rank: #9076 (+102)
23M24M
7:28 | 7:28/mi
40K· 24.85 mi
3:08:44
Rank: #9027 (+49)
24M40K
6:38 | 7:45/mi
25.2M
3:11:42
Rank: #9032 (-5)
40K25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:19:23
Rank: #9007 (+25)
25.2MFinish
7:41 | 7:32/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:39:14
Pace7:34 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:40:09
Pace7:38 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2724:017:4424:01
7:44
-
10K
6.21 mi11:14:4947:237:3823:22
7:31
-0:13
15K
9.32 mi11:38:121:10:467:3623:23
7:32
+0:01
20K
12.43 mi12:01:371:34:117:3523:25
7:32
0:00
Half
13.11 mi12:06:401:39:147:345:03
7:24
-0:08
25K
15.53 mi12:24:541:57:287:3418:14
7:31
+0:07
30K
18.64 mi12:48:202:20:547:3423:26
7:33
+0:02
20M
20.00 mi12:58:472:31:217:3410:27
7:41
+0:08
21M
21.00 mi13:06:482:39:227:358:01
8:01
+0:20
35K
21.75 mi13:12:182:44:527:355:30
7:21
-0:40
23M
23.00 mi13:22:042:54:387:369:46
7:48
+0:27
24M
24.00 mi13:29:323:02:067:357:28
7:28
-0:20
40K
24.85 mi13:36:103:08:447:366:38
7:45
+0:17
25.2M
25.20 mi13:39:083:11:427:362:58
8:36
+0:51
Finish
26.22 mi13:46:493:19:237:377:41
7:32
-1:04

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

7:21 /mi

Average Pace

7:37 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:16:25

99% of race

Time at Steady Pace

2:58

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:36 /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 mi10:51:2724:017:4424:01
7:44
#11708
10K
6.21 mi11:14:4947:237:3823:22
7:31
#11138
15K
9.32 mi11:38:121:10:467:3623:23
7:32
#10858
20K
12.43 mi12:01:371:34:117:3523:25
7:32
#10503
Half
13.11 mi12:06:401:39:147:345:03
7:24
#10447
25K
15.53 mi12:24:541:57:287:3418:14
7:31
#10154
30K
18.64 mi12:48:202:20:547:3423:26
7:33
#9651
20M
20.00 mi12:58:472:31:217:3410:27
7:41
#9504
21M
21.00 mi13:06:482:39:227:358:01
8:01
#9334
35K
21.75 mi13:12:182:44:527:355:30
7:21
#9248
23M
23.00 mi13:22:042:54:387:369:46
7:48
#9178
24M
24.00 mi13:29:323:02:067:357:28
7:28
#9076
40K
24.85 mi13:36:103:08:447:366:38
7:45
#9027
25.2M
25.20 mi13:39:083:11:427:362:58
8:36
#9032
Finish
26.22 mi13:46:493:19:237:377:41
7:32
#9007
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi117088989898910372(Top 39%)8340(Top 55%)8340(Top 406%)
10K6.21 mi3.10 mi11138+5708722+2678722+26710602(Top 40%)8481(Top 56%)8481(Top 413%)
15K9.32 mi3.11 mi10858+2808581+1418581+14110372(Top 39%)8340(Top 55%)8340(Top 406%)
20K12.43 mi3.11 mi10503+3558414+1678414+1679601(Top 36%)7854(Top 52%)7854(Top 383%)
Half13.11 mi0.68 mi10447+568384+308384+309395(Top 35%)7745(Top 51%)7745(Top 377%)
25K15.53 mi2.42 mi10154+2938211+1738211+1738911(Top 33%)7376(Top 49%)7376(Top 359%)
30K18.64 mi3.11 mi9651+5037898+3137898+3137524(Top 28%)6405(Top 42%)6405(Top 312%)
20M20.00 mi1.36 mi9504+1477785+1137785+1138098(Top 30%)6658(Top 44%)6658(Top 324%)
21M21.00 mi1.00 mi9334+1707654+1317654+1317452(Top 28%)6156(Top 41%)6156(Top 300%)
35K21.75 mi0.75 mi9248+867586+687586+687486(Top 28%)6190(Top 41%)6190(Top 302%)
23M23.00 mi1.25 mi9178+707519+677519+678406(Top 32%)6648(Top 44%)6648(Top 324%)
24M24.00 mi1.00 mi9076+1027441+787441+787474(Top 28%)5999(Top 40%)5999(Top 292%)
40K24.85 mi0.85 mi9027+497396+457396+458368(Top 31%)6474(Top 43%)6474(Top 315%)
25.2M25.20 mi0.35 mi9032-57390+67390+610104(Top 38%)7338(Top 48%)7338(Top 358%)
Finish26.22 mi1.02 mi9007+257344+467344+468821(Top 33%)6649(Top 44%)6649(Top 324%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10372

Males

8340

M50-54

8340

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10602

Males

8481

M50-54

8481

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10372

Males

8340

M50-54

8340

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9601

Males

7854

M50-54

7854

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9395

Males

7745

M50-54

7745

Half→25K

13.1 - 15.5 mi

Top 33%
×4stories
+66ft-88ft

Overall

8911

Males

7376

M50-54

7376

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7524

Males

6405

M50-54

6405

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8098

Males

6658

M50-54

6658

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7452

Males

6156

M50-54

6156

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7486

Males

6190

M50-54

6190

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8406

Males

6648

M50-54

6648

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7474

Males

5999

M50-54

5999

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8368

Males

6474

M50-54

6474

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10104

Males

7338

M50-54

7338

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8821

Males

6649

M50-54

6649

Passing Analysis

Category:
Athletes Passed
3154*
Passed By
453
Net Change
+2701
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11708
5K10K672102+570#11708#11138
10K15K35272+280#11138#10858
15K20K39035+355#10858#10503
20KHalf6913+56#10503#10447
Half25K31522+293#10447#10154
25K30K511*8+503#10154#9651
30K20M16013+147#9651#9504
20M21M18616+170#9504#9334
21M35K937+86#9334#9248
35K23M11646+70#9248#9178
23M24M11513+102#9178#9076
24M40K7122+49#9076#9027
40K25.2M2328-5#9027#9032
25.2MFinish8156+25#9032#9007
TOTALS3154*453+2701

* 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