George Chang

Bib: 10539M

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:27
Rank: #17633
Start5K
26:27 | 8:31/mi
10K· 6.21 mi
52:20
Rank: #17354 (+279)
5K10K
25:53 | 8:20/mi
15K· 9.32 mi
1:17:47
Rank: #16813 (+541)
10K15K
25:27 | 8:11/mi
20K· 12.43 mi
1:44:17
Rank: #16867 (-54)
15K20K
26:30 | 8:32/mi
Half· 13.11 mi
1:49:59
Rank: #16868 (-1)
20KHalf
5:42 | 8:21/mi
25K· 15.53 mi
2:10:57
Rank: #16917 (-49)
Half25K
20:58 | 8:39/mi
30K· 18.64 mi
2:40:03
Rank: #17270 (-353)
25K30K
29:06 | 9:22/mi
20M
2:52:41
Rank: #17328 (-58)
30K20M
12:38 | 9:18/mi
21M
3:02:53
Rank: #17438 (-110)
20M21M
10:12 | 10:12/mi
35K· 21.75 mi
3:09:06
Rank: #17308 (+130)
21M35K
6:13 | 8:19/mi
23M
3:19:59
Rank: #17134 (+174)
35K23M
10:53 | 8:42/mi
24M
3:28:22
Rank: #16992 (+142)
23M24M
8:23 | 8:23/mi
40K· 24.85 mi
3:35:52
Rank: #16905 (+87)
24M40K
7:30 | 8:46/mi
25.2M
3:39:09
Rank: #16886 (+19)
40K25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:48:17
Rank: #16930 (-44)
25.2MFinish
9:08 | 8:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:59
Pace8:23 /mi
2nd Half
Distance13.11 mi
Time1:58:18
Pace9:01 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:5526:278:3126:27
8:31
-
10K
6.21 mi11:19:4852:208:2525:53
8:20
-0:11
15K
9.32 mi11:45:151:17:478:2125:27
8:11
-0:09
20K
12.43 mi12:11:451:44:178:2326:30
8:32
+0:21
Half
13.11 mi12:17:271:49:598:235:42
8:21
-0:11
25K
15.53 mi12:38:252:10:578:2620:58
8:39
+0:18
30K
18.64 mi13:07:312:40:038:3529:06
9:22
+0:43
20M
20.00 mi13:20:092:52:418:3812:38
9:18
-0:04
21M
21.00 mi13:30:213:02:538:4310:12
10:12
+0:54
35K
21.75 mi13:36:343:09:068:426:13
8:19
-1:53
23M
23.00 mi13:47:273:19:598:4210:53
8:42
+0:23
24M
24.00 mi13:55:503:28:228:418:23
8:23
-0:19
40K
24.85 mi14:03:203:35:528:417:30
8:46
+0:23
25.2M
25.20 mi14:06:373:39:098:423:17
9:31
+0:45
Finish
26.22 mi14:15:453:48:178:439:08
8:58
-0:33

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

8:11 /mi

Average Pace

8:43 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:15

28% of race

Time at Steady Pace

1:40:41

44% of race

Time at Slower Pace

1:04:21

28% of race

Average Pace: 8:42 /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 mi10:53:5526:278:3126:27
8:31
#17633
10K
6.21 mi11:19:4852:208:2525:53
8:20
#17354
15K
9.32 mi11:45:151:17:478:2125:27
8:11
#16813
20K
12.43 mi12:11:451:44:178:2326:30
8:32
#16867
Half
13.11 mi12:17:271:49:598:235:42
8:21
#16868
25K
15.53 mi12:38:252:10:578:2620:58
8:39
#16917
30K
18.64 mi13:07:312:40:038:3529:06
9:22
#17270
20M
20.00 mi13:20:092:52:418:3812:38
9:18
#17328
21M
21.00 mi13:30:213:02:538:4310:12
10:12
#17438
35K
21.75 mi13:36:343:09:068:426:13
8:19
#17308
23M
23.00 mi13:47:273:19:598:4210:53
8:42
#17134
24M
24.00 mi13:55:503:28:228:418:23
8:23
#16992
40K
24.85 mi14:03:203:35:528:417:30
8:46
#16905
25.2M
25.20 mi14:06:373:39:098:423:17
9:31
#16886
Finish
26.22 mi14:15:453:48:178:439:08
8:58
#16930
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17633112791127915798(Top 59%)10616(Top 70%)10616(Top 517%)
10K6.21 mi3.10 mi17354+27911194+8511194+8517121(Top 64%)11153(Top 73%)11153(Top 544%)
15K9.32 mi3.11 mi16813+54110992+20210992+20215798(Top 59%)10616(Top 70%)10616(Top 517%)
20K12.43 mi3.11 mi16867-5410999-710999-717031(Top 64%)11072(Top 73%)11072(Top 540%)
Half13.11 mi0.68 mi16868-111004-511004-516797(Top 63%)10998(Top 72%)10998(Top 536%)
25K15.53 mi2.42 mi16917-4910996+810996+817071(Top 64%)11002(Top 72%)11002(Top 536%)
30K18.64 mi3.11 mi17270-35311130-13411130-13418881(Top 71%)11726(Top 77%)11726(Top 571%)
20M20.00 mi1.36 mi17328-5811132-211132-217992(Top 68%)11227(Top 74%)11227(Top 547%)
21M21.00 mi1.00 mi17438-11011163-3111163-3118691(Top 70%)11510(Top 76%)11510(Top 561%)
35K21.75 mi0.75 mi17308+13011098+6511098+6514142(Top 53%)9497(Top 63%)9497(Top 463%)
23M23.00 mi1.25 mi17134+17411017+8111017+8114326(Top 54%)9505(Top 63%)9505(Top 463%)
24M24.00 mi1.00 mi16992+14210931+8610931+8613758(Top 52%)9217(Top 61%)9217(Top 449%)
40K24.85 mi0.85 mi16905+8710878+5310878+5314923(Top 56%)9657(Top 64%)9657(Top 471%)
25.2M25.20 mi0.35 mi16886+1910860+1810860+1815251(Top 57%)9792(Top 65%)9792(Top 477%)
Finish26.22 mi1.02 mi16930-4410870-1010870-1017769(Top 67%)10953(Top 72%)10953(Top 534%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 59%
×21stories
+97ft-345ft

Overall

15798

Males

10616

M50-54

10616

5K→10K

3.1 - 6.2 mi

Top 64%
×5stories
+79ft-138ft

Overall

17121

Males

11153

M50-54

11153

10K→15K

6.2 - 9.3 mi

Top 59%
×3stories
+67ft-78ft

Overall

15798

Males

10616

M50-54

10616

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17031

Males

11072

M50-54

11072

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

16797

Males

10998

M50-54

10998

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17071

Males

11002

M50-54

11002

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18881

Males

11726

M50-54

11726

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

17992

Males

11227

M50-54

11227

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18691

Males

11510

M50-54

11510

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14142

Males

9497

M50-54

9497

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14326

Males

9505

M50-54

9505

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13758

Males

9217

M50-54

9217

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14923

Males

9657

M50-54

9657

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15251

Males

9792

M50-54

9792

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2stories
+22ft-21ft

Overall

17769

Males

10953

M50-54

10953

Passing Analysis

Category:
Athletes Passed
2223
Passed By
1520
Net Change
+703
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17633
5K10K492213+279#17633#17354
10K15K57534+541#17354#16813
15K20K163217-54#16813#16867
20KHalf3132-1#16867#16868
Half25K98147-49#16868#16917
25K30K87440-353#16917#17270
30K20M68126-58#17270#17328
20M21M46156-110#17328#17438
21M35K1366+130#17438#17308
35K23M18915+174#17308#17134
23M24M1508+142#17134#16992
24M40K10114+87#16992#16905
40K25.2M3819+19#16905#16886
25.2MFinish4993-44#16886#16930
TOTALS22231520+703
📊

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