Chin Min Chang

Bib: 22653F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Top 32%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:13
Rank: #17150
Start5K
8:26/mi
26:13 split
10K· 6.21 mi
51:47
Rank: #16746 (+404)
5K10K
8:14/mi
25:34 split
15K· 9.32 mi
1:17:42
Rank: #16764 (-18)
10K15K
8:21/mi
25:55 split
20K· 12.43 mi
1:44:29
Rank: #16996 (-232)
15K20K
8:37/mi
26:47 split
Half· 13.11 mi
1:50:17
Rank: #17035 (-39)
20KHalf
8:30/mi
5:48 split
25K· 15.53 mi
2:11:29
Rank: #17116 (-81)
Half25K
8:45/mi
21:12 split
30K· 18.64 mi
2:40:20
Rank: #17361 (-245)
25K30K
9:17/mi
28:51 split
20M
2:53:02
Rank: #17431 (-70)
30K20M
9:21/mi
12:42 split
21M
3:03:26
Rank: #17599 (-168)
20M21M
10:24/mi
10:24 split
35K· 21.75 mi
3:10:05
Rank: #17585 (+14)
21M35K
8:53/mi
6:39 split
23M
3:22:02
Rank: #17668 (-83)
35K23M
9:33/mi
11:57 split
24M
3:31:35
Rank: #17818 (-150)
23M24M
9:33/mi
9:33 split
40K· 24.85 mi
3:39:59
Rank: #17899 (-81)
24M40K
9:49/mi
8:24 split
25.2M
3:43:50
Rank: #17977 (-78)
40K25.2M
11:10/mi
3:51 split
Finish· 26.22 mi
3:54:19
Rank: #18228 (-251)
25.2MFinish
10:17/mi
10:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:17
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:04:02
Pace9:28 /mi
📊Positive Split: 12.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:0326:138:2626:13
8:26
-
10K
6.21 mi11:45:3751:478:2025:34
8:14
-0:12
15K
9.32 mi12:11:321:17:428:2025:55
8:21
+0:07
20K
12.43 mi12:38:191:44:298:2426:47
8:37
+0:16
Half
13.11 mi12:44:071:50:178:255:48
8:30
-0:07
25K
15.53 mi13:05:192:11:298:2821:12
8:45
+0:15
30K
18.64 mi13:34:102:40:208:3628:51
9:17
+0:32
20M
20.00 mi13:46:522:53:028:3912:42
9:21
+0:04
21M
21.00 mi13:57:163:03:268:4410:24
10:24
+1:03
35K
21.75 mi14:03:553:10:058:446:39
8:53
-1:31
23M
23.00 mi14:15:523:22:028:4711:57
9:33
+0:40
24M
24.00 mi14:25:253:31:358:499:33
9:33
0:00
40K
24.85 mi14:33:493:39:598:518:24
9:49
+0:16
25.2M
25.20 mi14:37:403:43:508:533:51
11:10
+1:21
Finish
26.22 mi14:48:093:54:198:5710:29
10:17
-0:53

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

8:14 /mi

Average Pace

8:57 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:11:29

56% of race

Time at Steady Pace

1:09:42

30% of race

Time at Slower Pace

33:08

14% of race

Average Pace: 8:56 /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 mi11:20:0326:138:2626:13
8:26
#17150
10K
6.21 mi11:45:3751:478:2025:34
8:14
#16746
15K
9.32 mi12:11:321:17:428:2025:55
8:21
#16764
20K
12.43 mi12:38:191:44:298:2426:47
8:37
#16996
Half
13.11 mi12:44:071:50:178:255:48
8:30
#17035
25K
15.53 mi13:05:192:11:298:2821:12
8:45
#17116
30K
18.64 mi13:34:102:40:208:3628:51
9:17
#17361
20M
20.00 mi13:46:522:53:028:3912:42
9:21
#17431
21M
21.00 mi13:57:163:03:268:4410:24
10:24
#17599
35K
21.75 mi14:03:553:10:058:446:39
8:53
#17585
23M
23.00 mi14:15:523:22:028:4711:57
9:33
#17668
24M
24.00 mi14:25:253:31:358:499:33
9:33
#17818
40K
24.85 mi14:33:493:39:598:518:24
9:49
#17899
25.2M
25.20 mi14:37:403:43:508:533:51
11:10
#17977
Finish
26.22 mi14:48:093:54:198:5710:29
10:17
#18228
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi171506032603216816(Top 63%)5808(Top 51%)5808(Top 713%)
10K6.21 mi3.10 mi16746+4045744+2885744+28816469(Top 62%)5559(Top 49%)5559(Top 682%)
15K9.32 mi3.11 mi16764-185776-325776-3216816(Top 63%)5808(Top 51%)5808(Top 713%)
20K12.43 mi3.11 mi16996-2325925-1495925-14917647(Top 66%)6319(Top 55%)6319(Top 775%)
Half13.11 mi0.68 mi17035-395952-275952-2717772(Top 67%)6350(Top 56%)6350(Top 779%)
25K15.53 mi2.42 mi17116-816013-616013-6117647(Top 66%)6370(Top 56%)6370(Top 782%)
30K18.64 mi3.11 mi17361-2456168-1556168-15518559(Top 70%)6952(Top 61%)6952(Top 853%)
20M20.00 mi1.36 mi17431-706236-686236-6818228(Top 68%)6865(Top 60%)6865(Top 842%)
21M21.00 mi1.00 mi17599-1686357-1216357-12119277(Top 72%)7501(Top 66%)7501(Top 920%)
35K21.75 mi0.75 mi17585+146359-26359-217423(Top 65%)6516(Top 57%)6516(Top 800%)
23M23.00 mi1.25 mi17668-836424-656424-6518501(Top 69%)7128(Top 62%)7128(Top 875%)
24M24.00 mi1.00 mi17818-1506517-936517-9319398(Top 73%)7661(Top 67%)7661(Top 940%)
40K24.85 mi0.85 mi17899-816574-576574-5719470(Top 73%)7751(Top 68%)7751(Top 951%)
25.2M25.20 mi0.35 mi17977-786631-576631-5720835(Top 78%)8487(Top 74%)8487(Top 1041%)
Finish26.22 mi1.02 mi18228-2516783-1526783-15222523(Top 85%)9398(Top 82%)9398(Top 1153%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16816

Females

5808

F55-59

5808

5K→10K

3.1 - 6.2 mi

Top 62%
×5stories
+79ft-138ft

Overall

16469

Females

5559

F55-59

5559

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16816

Females

5808

F55-59

5808

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

17647

Females

6319

F55-59

6319

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17772

Females

6350

F55-59

6350

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17647

Females

6370

F55-59

6370

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18559

Females

6952

F55-59

6952

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18228

Females

6865

F55-59

6865

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19277

Females

7501

F55-59

7501

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

17423

Females

6516

F55-59

6516

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18501

Females

7128

F55-59

7128

23M→24M

23.0 - 24.0 mi

Top 73%
×6stories
+12ft-82ft

Overall

19398

Females

7661

F55-59

7661

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19470

Females

7751

F55-59

7751

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20835

Females

8487

F55-59

8487

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22523

Females

9398

F55-59

9398

Passing Analysis

Category:
Athletes Passed
1369
Passed By
2447
Net Change
-1078
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17150
5K10K558154+404#17150#16746
10K15K195213-18#16746#16764
15K20K113345-232#16764#16996
20KHalf1453-39#16996#17035
Half25K98179-81#17035#17116
25K30K99344-245#17116#17361
30K20M66136-70#17361#17431
20M21M45213-168#17431#17599
21M35K5339+14#17599#17585
35K23M58141-83#17585#17668
23M24M28178-150#17668#17818
24M40K27108-81#17818#17899
40K25.2M482-78#17899#17977
25.2MFinish11262-251#17977#18228
TOTALS13692447-1078
📊

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