Langchieh Yang

Bib: 12056M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Male)
#0 / 16105
Top 47%
Masters (Masters Men)
#0 / 10463
Top 36%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:23
Rank: #12446
Start5K
7:32/mi
23:23 split
10K· 6.21 mi
46:17
Rank: #11676 (+770)
5K10K
7:22/mi
22:54 split
15K· 9.32 mi
1:09:14
Rank: #11320 (+356)
10K15K
7:23/mi
22:57 split
20K· 12.43 mi
1:32:43
Rank: #11318 (+2)
15K20K
7:34/mi
23:29 split
Half· 13.11 mi
1:37:43
Rank: #11247 (+71)
20KHalf
7:20/mi
5:00 split
25K· 15.53 mi
1:56:17
Rank: #11213 (+34)
Half25K
7:39/mi
18:34 split
30K· 18.64 mi
2:20:52
Rank: #11085 (+128)
25K30K
7:55/mi
24:35 split
20M
2:31:26
Rank: #10869 (+216)
30K20M
7:47/mi
10:34 split
21M
2:39:32
Rank: #10650 (+219)
20M21M
8:06/mi
8:06 split
35K· 21.75 mi
2:45:04
Rank: #10521 (+129)
21M35K
7:24/mi
5:32 split
23M
2:54:35
Rank: #10275 (+246)
35K23M
7:36/mi
9:31 split
24M
3:02:06
Rank: #10120 (+155)
23M24M
7:31/mi
7:31 split
40K· 24.85 mi
3:08:36
Rank: #9981 (+139)
24M40K
7:36/mi
6:30 split
25.2M
3:11:28
Rank: #9924 (+57)
40K25.2M
8:19/mi
2:52 split
Finish· 26.22 mi
3:18:33
Rank: #9702 (+222)
25.2MFinish
6:57/mi
7:05 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:43
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:40:50
Pace7:42 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5423:237:3223:23
7:32
-
10K
6.21 mi11:14:4846:177:2722:54
7:22
-0:10
15K
9.32 mi11:37:451:09:147:2622:57
7:23
+0:01
20K
12.43 mi12:01:141:32:437:2823:29
7:34
+0:11
Half
13.11 mi12:06:141:37:437:275:00
7:20
-0:14
25K
15.53 mi12:24:481:56:177:2918:34
7:39
+0:19
30K
18.64 mi12:49:232:20:527:3324:35
7:55
+0:16
20M
20.00 mi12:59:572:31:267:3410:34
7:47
-0:08
21M
21.00 mi13:08:032:39:327:368:06
8:06
+0:19
35K
21.75 mi13:13:352:45:047:355:32
7:24
-0:42
23M
23.00 mi13:23:062:54:357:359:31
7:36
+0:12
24M
24.00 mi13:30:373:02:067:357:31
7:31
-0:05
40K
24.85 mi13:37:073:08:367:356:30
7:36
+0:05
25.2M
25.20 mi13:39:593:11:287:362:52
8:19
+0:43
Finish
26.22 mi13:47:043:18:337:357:05
6:57
-1:22

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

6:57 /mi

Average Pace

7:35 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:52

67% of race

Time at Steady Pace

1:01:49

31% of race

Time at Slower Pace

2:52

1% of race

Average Pace: 7:34 /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 mi10:51:5423:237:3223:23
7:32
#12446
10K
6.21 mi11:14:4846:177:2722:54
7:22
#11676
15K
9.32 mi11:37:451:09:147:2622:57
7:23
#11320
20K
12.43 mi12:01:141:32:437:2823:29
7:34
#11318
Half
13.11 mi12:06:141:37:437:275:00
7:20
#11247
25K
15.53 mi12:24:481:56:177:2918:34
7:39
#11213
30K
18.64 mi12:49:232:20:527:3324:35
7:55
#11085
20M
20.00 mi12:59:572:31:267:3410:34
7:47
#10869
21M
21.00 mi13:08:032:39:327:368:06
8:06
#10650
35K
21.75 mi13:13:352:45:047:355:32
7:24
#10521
23M
23.00 mi13:23:062:54:357:359:31
7:36
#10275
24M
24.00 mi13:30:373:02:067:357:31
7:31
#10120
40K
24.85 mi13:37:073:08:367:356:30
7:36
#9981
25.2M
25.20 mi13:39:593:11:287:362:52
8:19
#9924
Finish
26.22 mi13:47:043:18:337:357:05
6:57
#9702
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi124469372937210730(Top 38%)8464(Top 53%)8464(Top 355%)
10K6.21 mi3.10 mi11676+7709008+3649008+36410907(Top 38%)8614(Top 53%)8614(Top 361%)
15K9.32 mi3.11 mi11320+3568805+2038805+20310730(Top 38%)8464(Top 53%)8464(Top 355%)
20K12.43 mi3.11 mi11318+28775+308775+3011217(Top 39%)8596(Top 53%)8596(Top 360%)
Half13.11 mi0.68 mi11247+718745+308745+3010197(Top 36%)8113(Top 50%)8113(Top 340%)
25K15.53 mi2.42 mi11213+348683+628683+6211191(Top 39%)8474(Top 53%)8474(Top 355%)
30K18.64 mi3.11 mi11085+1288545+1388545+13810727(Top 38%)8040(Top 50%)8040(Top 337%)
20M20.00 mi1.36 mi10869+2168395+1508395+1508861(Top 31%)6927(Top 43%)6927(Top 290%)
21M21.00 mi1.00 mi10650+2198252+1438252+1437950(Top 28%)6232(Top 39%)6232(Top 261%)
35K21.75 mi0.75 mi10521+1298176+768176+767893(Top 28%)6247(Top 39%)6247(Top 262%)
23M23.00 mi1.25 mi10275+2467997+1797997+1797255(Top 26%)5735(Top 36%)5735(Top 240%)
24M24.00 mi1.00 mi10120+1557891+1067891+1067825(Top 28%)6019(Top 37%)6019(Top 252%)
40K24.85 mi0.85 mi9981+1397790+1017790+1017431(Top 26%)5689(Top 35%)5689(Top 238%)
25.2M25.20 mi0.35 mi9924+577744+467744+467701(Top 27%)5760(Top 36%)5760(Top 241%)
Finish26.22 mi1.02 mi9702+2227585+1597585+1595414(Top 19%)4382(Top 27%)4382(Top 184%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10730

Males

8464

M45-49

8464

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10907

Males

8614

M45-49

8614

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10730

Males

8464

M45-49

8464

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11217

Males

8596

M45-49

8596

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10197

Males

8113

M45-49

8113

Half→25K

13.1 - 15.5 mi

Top 39%
×4story building
+66ft-88ft

Overall

11191

Males

8474

M45-49

8474

25K→30K

15.5 - 18.6 mi

Top 38%
×9story building
+181ft-148ft

Overall

10727

Males

8040

M45-49

8040

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8861

Males

6927

M45-49

6927

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7950

Males

6232

M45-49

6232

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7893

Males

6247

M45-49

6247

35K→23M

21.8 - 23.0 mi

Top 26%
×5story building
+23ft-63ft

Overall

7255

Males

5735

M45-49

5735

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7825

Males

6019

M45-49

6019

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7431

Males

5689

M45-49

5689

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7701

Males

5760

M45-49

5760

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

5414

Males

4382

M45-49

4382

Passing Analysis

Category:
Athletes Passed
3419*
Passed By
675
Net Change
+2744
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12446
5K10K82151+770#12446#11676
10K15K39943+356#11676#11320
15K20K181179+2#11320#11318
20KHalf754+71#11318#11247
Half25K179145+34#11247#11213
25K30K292164+128#11213#11085
30K20M23317+216#11085#10869
20M21M23213+219#10869#10650
21M35K1345+129#10650#10521
35K23M26014+246#10521#10275
23M24M1627+155#10275#10120
24M40K161*22+139#10120#9981
40K25.2M658+57#9981#9924
25.2MFinish2253+222#9924#9702
TOTALS3419*675+2744

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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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Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing