Carol Chang

Bib: 21924F

BC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 49%
Division (F45-49)
#0 / 1817
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:48
Rank: #16200
Start5K
8:18/mi
25:48 split
10K· 6.21 mi
51:40
Rank: #16625 (-425)
5K10K
8:20/mi
25:52 split
15K· 9.32 mi
1:18:01
Rank: #16994 (-369)
10K15K
8:29/mi
26:21 split
20K· 12.43 mi
1:44:41
Rank: #17095 (-101)
15K20K
8:35/mi
26:40 split
Half· 13.11 mi
1:50:26
Rank: #17112 (-17)
20KHalf
8:26/mi
5:45 split
25K· 15.53 mi
2:12:01
Rank: #17307 (-195)
Half25K
8:54/mi
21:35 split
30K· 18.64 mi
2:40:43
Rank: #17498 (-191)
25K30K
9:14/mi
28:42 split
20M
2:53:24
Rank: #17545 (-47)
30K20M
9:20/mi
12:41 split
21M
3:03:11
Rank: #17517 (+28)
20M21M
9:47/mi
9:47 split
35K· 21.75 mi
3:10:04
Rank: #17578 (-61)
21M35K
9:12/mi
6:53 split
23M
3:21:49
Rank: #17615 (-37)
35K23M
9:23/mi
11:45 split
24M
3:30:50
Rank: #17612 (+3)
23M24M
9:01/mi
9:01 split
40K· 24.85 mi
3:38:43
Rank: #17617 (-5)
24M40K
9:13/mi
7:53 split
25.2M
3:42:13
Rank: #17633 (-16)
40K25.2M
10:09/mi
3:30 split
Finish· 26.22 mi
3:51:26
Rank: #17657 (-24)
25.2MFinish
9:03/mi
9:13 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:26
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:01:00
Pace9:14 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:2225:488:1825:48
8:18
-
10K
6.21 mi12:07:1451:408:1925:52
8:20
+0:02
15K
9.32 mi12:33:351:18:018:2226:21
8:29
+0:09
20K
12.43 mi13:00:151:44:418:2526:40
8:35
+0:06
Half
13.11 mi13:06:001:50:268:255:45
8:26
-0:09
25K
15.53 mi13:27:352:12:018:3021:35
8:54
+0:28
30K
18.64 mi13:56:172:40:438:3728:42
9:14
+0:20
20M
20.00 mi14:08:582:53:248:4012:41
9:20
+0:06
21M
21.00 mi14:18:453:03:118:439:47
9:47
+0:27
35K
21.75 mi14:25:383:10:048:446:53
9:12
-0:35
23M
23.00 mi14:37:233:21:498:4611:45
9:23
+0:11
24M
24.00 mi14:46:243:30:508:479:01
9:01
-0:22
40K
24.85 mi14:54:173:38:438:487:53
9:13
+0:12
25.2M
25.20 mi14:57:473:42:138:493:30
10:09
+0:56
Finish
26.22 mi15:07:003:51:268:509:13
9:03
-1:06

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

8:18 /mi

Average Pace

8:50 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:26

48% of race

Time at Steady Pace

1:23:17

36% of race

Time at Slower Pace

37:43

16% of race

Average Pace: 8:50 /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 mi11:41:2225:488:1825:48
8:18
#16200
10K
6.21 mi12:07:1451:408:1925:52
8:20
#16625
15K
9.32 mi12:33:351:18:018:2226:21
8:29
#16994
20K
12.43 mi13:00:151:44:418:2526:40
8:35
#17095
Half
13.11 mi13:06:001:50:268:255:45
8:26
#17112
25K
15.53 mi13:27:352:12:018:3021:35
8:54
#17307
30K
18.64 mi13:56:172:40:438:3728:42
9:14
#17498
20M
20.00 mi14:08:582:53:248:4012:41
9:20
#17545
21M
21.00 mi14:18:453:03:118:439:47
9:47
#17517
35K
21.75 mi14:25:383:10:048:446:53
9:12
#17578
23M
23.00 mi14:37:233:21:498:4611:45
9:23
#17615
24M
24.00 mi14:46:243:30:508:479:01
9:01
#17612
40K
24.85 mi14:54:173:38:438:487:53
9:13
#17617
25.2M
25.20 mi14:57:473:42:138:493:30
10:09
#17633
Finish
26.22 mi15:07:003:51:268:509:13
9:03
#17657
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi162005410541017694(Top 66%)6329(Top 55%)6329(Top 348%)
10K6.21 mi3.10 mi16625-4255661-2515661-25117110(Top 64%)5942(Top 52%)5942(Top 327%)
15K9.32 mi3.11 mi16994-3695905-2445905-24417694(Top 66%)6329(Top 55%)6329(Top 348%)
20K12.43 mi3.11 mi17095-1015988-835988-8317396(Top 65%)6167(Top 54%)6167(Top 339%)
Half13.11 mi0.68 mi17112-175994-65994-617371(Top 65%)6117(Top 54%)6117(Top 337%)
25K15.53 mi2.42 mi17307-1956121-1276121-12718469(Top 69%)6826(Top 60%)6826(Top 376%)
30K18.64 mi3.11 mi17498-1916254-1336254-13318342(Top 69%)6832(Top 60%)6832(Top 376%)
20M20.00 mi1.36 mi17545-476304-506304-5018166(Top 68%)6829(Top 60%)6829(Top 376%)
21M21.00 mi1.00 mi17517+286307-36307-317214(Top 65%)6314(Top 55%)6314(Top 347%)
35K21.75 mi0.75 mi17578-616356-496356-4918746(Top 70%)7236(Top 63%)7236(Top 398%)
23M23.00 mi1.25 mi17615-376388-326388-3217888(Top 67%)6799(Top 60%)6799(Top 374%)
24M24.00 mi1.00 mi17612+36404-166404-1617329(Top 65%)6535(Top 57%)6535(Top 360%)
40K24.85 mi0.85 mi17617-56415-116415-1117204(Top 65%)6516(Top 57%)6516(Top 359%)
25.2M25.20 mi0.35 mi17633-166430-156430-1517978(Top 68%)6949(Top 61%)6949(Top 382%)
Finish26.22 mi1.02 mi17657-246449-196449-1918198(Top 68%)7005(Top 61%)7005(Top 386%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

17694

Females

6329

F45-49

6329

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

17110

Females

5942

F45-49

5942

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

17694

Females

6329

F45-49

6329

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17396

Females

6167

F45-49

6167

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17371

Females

6117

F45-49

6117

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18469

Females

6826

F45-49

6826

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18342

Females

6832

F45-49

6832

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

18166

Females

6829

F45-49

6829

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17214

Females

6314

F45-49

6314

21M→35K

21.0 - 21.8 mi

Top 70%
×7story building
+17ft-86ft

Overall

18746

Females

7236

F45-49

7236

35K→23M

21.8 - 23.0 mi

Top 67%
×5story building
+23ft-63ft

Overall

17888

Females

6799

F45-49

6799

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17329

Females

6535

F45-49

6535

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17204

Females

6516

F45-49

6516

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17978

Females

6949

F45-49

6949

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2story building
+22ft-21ft

Overall

18198

Females

7005

F45-49

7005

Passing Analysis

Category:
Athletes Passed
1042
Passed By
2499
Net Change
-1457
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16200
5K10K133558-425#16200#16625
10K15K81450-369#16625#16994
15K20K144245-101#16994#17095
20KHalf2441-17#17095#17112
Half25K75270-195#17112#17307
25K30K112303-191#17307#17498
30K20M70117-47#17498#17545
20M21M10072+28#17545#17517
21M35K3495-61#17517#17578
35K23M74111-37#17578#17615
23M24M6764+3#17615#17612
24M40K5459-5#17612#17617
40K25.2M2339-16#17617#17633
25.2MFinish5175-24#17633#17657
TOTALS10422499-1457
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing