John Yu

Bib: 10201M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:56
Rank: #12336
Start5K
23:56 | 7:42/mi
10K· 6.21 mi
48:52
Rank: #13344 (-1008)
5K10K
24:56 | 8:02/mi
15K· 9.32 mi
1:14:18
Rank: #13861 (-517)
10K15K
25:26 | 8:11/mi
20K· 12.43 mi
1:41:03
Rank: #14270 (-409)
15K20K
26:45 | 8:37/mi
Half· 13.11 mi
1:46:29
Rank: #14156 (+114)
20KHalf
5:26 | 7:58/mi
25K· 15.53 mi
2:08:26
Rank: #14443 (-287)
Half25K
21:57 | 9:03/mi
30K· 18.64 mi
2:37:07
Rank: #14387 (+56)
25K30K
28:41 | 9:14/mi
20M
2:49:41
Rank: #14283 (+104)
30K20M
12:34 | 9:15/mi
21M
2:59:44
Rank: #14193 (+90)
20M21M
10:03 | 10:03/mi
35K· 21.75 mi
3:07:05
Rank: #14299 (-106)
21M35K
7:21 | 9:49/mi
23M
3:18:39
Rank: #14168 (+131)
35K23M
11:34 | 9:14/mi
24M
3:27:33
Rank: #14035 (+133)
23M24M
8:54 | 8:54/mi
40K· 24.85 mi
3:35:53
Rank: #14033 (+2)
24M40K
8:20 | 9:45/mi
25.2M
3:39:18
Rank: #13953 (+80)
40K25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:48:34
Rank: #13968 (-15)
25.2MFinish
9:16 | 9:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:29
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time2:02:05
Pace9:19 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5423:567:4223:56
7:42
-
10K
6.21 mi11:16:5048:527:5224:56
8:02
+0:20
15K
9.32 mi11:42:161:14:187:5825:26
8:11
+0:09
20K
12.43 mi12:09:011:41:038:0826:45
8:37
+0:26
Half
13.11 mi12:14:271:46:298:075:26
7:58
-0:39
25K
15.53 mi12:36:242:08:268:1621:57
9:03
+1:05
30K
18.64 mi13:05:052:37:078:2628:41
9:14
+0:11
20M
20.00 mi13:17:392:49:418:2912:34
9:15
+0:01
21M
21.00 mi13:27:422:59:448:3410:03
10:03
+0:48
35K
21.75 mi13:35:033:07:058:367:21
9:49
-0:14
23M
23.00 mi13:46:373:18:398:3811:34
9:14
-0:35
24M
24.00 mi13:55:313:27:338:398:54
8:54
-0:20
40K
24.85 mi14:03:513:35:538:418:20
9:45
+0:51
25.2M
25.20 mi14:07:163:39:188:423:25
9:54
+0:09
Finish
26.22 mi14:16:323:48:348:439:16
9:06
-0:48

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

7:42 /mi

Average Pace

8:43 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:29

47% of race

Time at Steady Pace

1:32:56

41% of race

Time at Slower Pace

29:09

13% of race

Average Pace: 8:43 /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 mi10:51:5423:567:4223:56
7:42
#12336
10K
6.21 mi11:16:5048:527:5224:56
8:02
#13344
15K
9.32 mi11:42:161:14:187:5825:26
8:11
#13861
20K
12.43 mi12:09:011:41:038:0826:45
8:37
#14270
Half
13.11 mi12:14:271:46:298:075:26
7:58
#14156
25K
15.53 mi12:36:242:08:268:1621:57
9:03
#14443
30K
18.64 mi13:05:052:37:078:2628:41
9:14
#14387
20M
20.00 mi13:17:392:49:418:2912:34
9:15
#14283
21M
21.00 mi13:27:422:59:448:3410:03
10:03
#14193
35K
21.75 mi13:35:033:07:058:367:21
9:49
#14299
23M
23.00 mi13:46:373:18:398:3811:34
9:14
#14168
24M
24.00 mi13:55:313:27:338:398:54
8:54
#14035
40K
24.85 mi14:03:513:35:538:418:20
9:45
#14033
25.2M
25.20 mi14:07:163:39:188:423:25
9:54
#13953
Finish
26.22 mi14:16:323:48:348:439:16
9:06
#13968
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi123368984898414637(Top 57%)9855(Top 68%)9855(Top 509%)
10K6.21 mi3.10 mi13344-10089385-4019385-40114379(Top 56%)9786(Top 67%)9786(Top 506%)
15K9.32 mi3.11 mi13861-5179563-1789563-17814637(Top 57%)9855(Top 68%)9855(Top 509%)
20K12.43 mi3.11 mi14270-4099714-1519714-15115369(Top 60%)10115(Top 69%)10115(Top 523%)
Half13.11 mi0.68 mi14156+1149661+539661+5312480(Top 49%)8871(Top 61%)8871(Top 458%)
25K15.53 mi2.42 mi14443-2879745-849745-8415731(Top 62%)10124(Top 69%)10124(Top 523%)
30K18.64 mi3.11 mi14387+569642+1039642+10314316(Top 56%)9243(Top 63%)9243(Top 478%)
20M20.00 mi1.36 mi14283+1049553+899553+8913368(Top 52%)8572(Top 59%)8572(Top 443%)
21M21.00 mi1.00 mi14193+909456+979456+9713157(Top 51%)8258(Top 57%)8258(Top 427%)
35K21.75 mi0.75 mi14299-1069477-219477-2116589(Top 65%)9897(Top 68%)9897(Top 511%)
23M23.00 mi1.25 mi14168+1319363+1149363+11412319(Top 48%)7728(Top 53%)7728(Top 399%)
24M24.00 mi1.00 mi14035+1339251+1129251+11211637(Top 46%)7386(Top 51%)7386(Top 382%)
40K24.85 mi0.85 mi14033+29215+369215+3614046(Top 55%)8459(Top 58%)8459(Top 437%)
25.2M25.20 mi0.35 mi13953+809156+599156+5910544(Top 41%)6654(Top 46%)6654(Top 344%)
Finish26.22 mi1.02 mi13968-159137+199137+1914664(Top 57%)8827(Top 61%)8827(Top 456%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

14637

Males

9855

M50-54

9855

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

14379

Males

9786

M50-54

9786

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

14637

Males

9855

M50-54

9855

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15369

Males

10115

M50-54

10115

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12480

Males

8871

M50-54

8871

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

15731

Males

10124

M50-54

10124

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14316

Males

9243

M50-54

9243

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13368

Males

8572

M50-54

8572

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13157

Males

8258

M50-54

8258

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

16589

Males

9897

M50-54

9897

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12319

Males

7728

M50-54

7728

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

11637

Males

7386

M50-54

7386

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

14046

Males

8459

M50-54

8459

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10544

Males

6654

M50-54

6654

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

14664

Males

8827

M50-54

8827

Passing Analysis

Category:
Athletes Passed
1882
Passed By
3514
Net Change
-1632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12336
5K10K581066-1008#12336#13344
10K15K100617-517#13344#13861
15K20K132541-409#13861#14270
20KHalf1173+114#14270#14156
Half25K139426-287#14156#14443
25K30K304248+56#14443#14387
30K20M18884+104#14387#14283
20M21M18090+90#14283#14193
21M35K55161-106#14193#14299
35K23M18857+131#14299#14168
23M24M16936+133#14168#14035
24M40K8684+2#14035#14033
40K25.2M866+80#14033#13953
25.2MFinish8095-15#13953#13968
TOTALS18823514-1632
📊

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