Ya Wei Chang

Bib: 12172F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 45%
Masters (Masters Women)
#0 / 6759
Top 33%
Division (F45-49)
#0 / 1813
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:28
Rank: #15485
Start5K
24:28 | 7:53/mi
10K· 6.21 mi
49:16
Rank: #15938 (-453)
5K10K
24:48 | 7:59/mi
15K· 9.32 mi
1:14:38
Rank: #16395 (-457)
10K15K
25:22 | 8:10/mi
20K· 12.43 mi
1:41:54
Rank: #17341 (-946)
15K20K
27:16 | 8:47/mi
Half· 13.11 mi
1:49:02
Rank: #18076 (-735)
20KHalf
7:08 | 10:27/mi
25K· 15.53 mi
2:09:53
Rank: #17994 (+82)
Half25K
20:51 | 8:36/mi
30K· 18.64 mi
2:36:37
Rank: #17476 (+518)
25K30K
26:44 | 8:36/mi
20M
2:49:05
Rank: #17480 (-4)
30K20M
12:28 | 9:10/mi
21M
2:58:02
Rank: #17217 (+263)
20M21M
8:57 | 8:57/mi
35K· 21.75 mi
3:04:12
Rank: #17063 (+154)
21M35K
6:10 | 8:14/mi
23M
3:14:31
Rank: #16729 (+334)
35K23M
10:19 | 8:14/mi
24M
3:22:45
Rank: #16535 (+194)
23M24M
8:14 | 8:14/mi
40K· 24.85 mi
3:29:52
Rank: #16360 (+175)
24M40K
7:07 | 8:19/mi
25.2M
3:33:08
Rank: #16328 (+32)
40K25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:41:19
Rank: #16210 (+118)
25.2MFinish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:02
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:52:17
Pace8:34 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:3324:287:5324:28
7:53
-
10K
6.21 mi11:17:2149:167:5624:48
7:59
+0:06
15K
9.32 mi11:42:431:14:388:0025:22
8:10
+0:11
20K
12.43 mi12:09:591:41:548:1227:16
8:47
+0:37
Half
13.11 mi12:17:071:49:028:197:08
10:27
+1:40
25K
15.53 mi12:37:582:09:538:2220:51
8:36
-1:51
30K
18.64 mi13:04:422:36:378:2426:44
8:36
0:00
20M
20.00 mi13:17:102:49:058:2712:28
9:10
+0:34
21M
21.00 mi13:26:072:58:028:298:57
8:57
-0:13
35K
21.75 mi13:32:173:04:128:286:10
8:14
-0:43
23M
23.00 mi13:42:363:14:318:2710:19
8:14
0:00
24M
24.00 mi13:50:503:22:458:278:14
8:14
0:00
40K
24.85 mi13:57:573:29:528:277:07
8:19
+0:05
25.2M
25.20 mi14:01:133:33:088:273:16
9:28
+1:09
Finish
26.22 mi14:09:243:41:198:278:11
8:02
-1:26

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

7:53 /mi

Average Pace

8:27 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

49:16

22% of race

Time at Steady Pace

1:52:58

51% of race

Time at Slower Pace

59:05

27% of race

Average Pace: 8:26 /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 mi10:52:3324:287:5324:28
7:53
#15485
10K
6.21 mi11:17:2149:167:5624:48
7:59
#15938
15K
9.32 mi11:42:431:14:388:0025:22
8:10
#16395
20K
12.43 mi12:09:591:41:548:1227:16
8:47
#17341
Half
13.11 mi12:17:071:49:028:197:08
10:27
#18076
25K
15.53 mi12:37:582:09:538:2220:51
8:36
#17994
30K
18.64 mi13:04:422:36:378:2426:44
8:36
#17476
20M
20.00 mi13:17:102:49:058:2712:28
9:10
#17480
21M
21.00 mi13:26:072:58:028:298:57
8:57
#17217
35K
21.75 mi13:32:173:04:128:286:10
8:14
#17063
23M
23.00 mi13:42:363:14:318:2710:19
8:14
#16729
24M
24.00 mi13:50:503:22:458:278:14
8:14
#16535
40K
24.85 mi13:57:573:29:528:277:07
8:19
#16360
25.2M
25.20 mi14:01:133:33:088:273:16
9:28
#16328
Finish
26.22 mi14:09:243:41:198:278:11
8:02
#16210
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi154854826482617176(Top 60%)5832(Top 48%)5832(Top 322%)
10K6.21 mi3.10 mi15938-4535099-2735099-27316357(Top 58%)5342(Top 44%)5342(Top 295%)
15K9.32 mi3.11 mi16395-4575374-2755374-27517176(Top 60%)5832(Top 48%)5832(Top 322%)
20K12.43 mi3.11 mi17341-9465941-5675941-56719820(Top 70%)7382(Top 60%)7382(Top 407%)
Half13.11 mi0.68 mi18076-7356383-4426383-44225734(Top 91%)10677(Top 87%)10677(Top 589%)
25K15.53 mi2.42 mi17994+826357+266357+2617823(Top 63%)6329(Top 52%)6329(Top 349%)
30K18.64 mi3.11 mi17476+5186106+2516106+25115406(Top 54%)5130(Top 42%)5130(Top 283%)
20M20.00 mi1.36 mi17480-46138-326138-3217655(Top 62%)6499(Top 53%)6499(Top 358%)
21M21.00 mi1.00 mi17217+2636003+1356003+13513255(Top 47%)4254(Top 35%)4254(Top 235%)
35K21.75 mi0.75 mi17063+1545944+595944+5913831(Top 49%)4611(Top 38%)4611(Top 254%)
23M23.00 mi1.25 mi16729+3345769+1755769+17511589(Top 41%)3544(Top 29%)3544(Top 195%)
24M24.00 mi1.00 mi16535+1945682+875682+8712859(Top 45%)4259(Top 35%)4259(Top 235%)
40K24.85 mi0.85 mi16360+1755610+725610+7212350(Top 43%)4119(Top 34%)4119(Top 227%)
25.2M25.20 mi0.35 mi16328+325600+105600+1014507(Top 51%)5296(Top 43%)5296(Top 292%)
Finish26.22 mi1.02 mi16210+1185546+545546+5413130(Top 46%)4518(Top 37%)4518(Top 249%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17176

Females

5832

F45-49

5832

5K→10K

3.1 - 6.2 mi

Top 58%
×5stories
+79ft-138ft

Overall

16357

Females

5342

F45-49

5342

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17176

Females

5832

F45-49

5832

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

19820

Females

7382

F45-49

7382

20K→Half

12.4 - 13.1 mi

Top 91%
×2stories
+19ft-37ft

Overall

25734

Females

10677

F45-49

10677

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17823

Females

6329

F45-49

6329

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

15406

Females

5130

F45-49

5130

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

17655

Females

6499

F45-49

6499

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13255

Females

4254

F45-49

4254

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13831

Females

4611

F45-49

4611

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11589

Females

3544

F45-49

3544

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12859

Females

4259

F45-49

4259

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12350

Females

4119

F45-49

4119

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14507

Females

5296

F45-49

5296

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

13130

Females

4518

F45-49

4518

Passing Analysis

Category:
Athletes Passed
2496
Passed By
3221
Net Change
-725
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15485
5K10K158611-453#15485#15938
10K15K86543-457#15938#16395
15K20K43989-946#16395#17341
20KHalf3738-735#17341#18076
Half25K204122+82#18076#17994
25K30K54527+518#17994#17476
30K20M111115-4#17476#17480
20M21M27512+263#17480#17217
21M35K1617+154#17217#17063
35K23M3351+334#17063#16729
23M24M2017+194#16729#16535
24M40K1827+175#16535#16360
40K25.2M5018+32#16360#16328
25.2MFinish14224+118#16328#16210
TOTALS24963221-725
📊

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