Lucy Cheng

Bib: 15903F

NV

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:59
Rank: #20093
Start5K
27:59 | 9:00/mi
10K· 6.21 mi
56:51
Rank: #20464 (-371)
5K10K
28:52 | 9:17/mi
15K· 9.32 mi
1:26:06
Rank: #20446 (+18)
10K15K
29:15 | 9:25/mi
20K· 12.43 mi
1:54:54
Rank: #19924 (+522)
15K20K
28:48 | 9:16/mi
Half· 13.11 mi
2:01:09
Rank: #19881 (+43)
20KHalf
6:15 | 9:10/mi
25K· 15.53 mi
2:24:06
Rank: #19447 (+434)
Half25K
22:57 | 9:28/mi
30K· 18.64 mi
2:55:15
Rank: #19026 (+421)
25K30K
31:09 | 10:02/mi
20M
3:08:53
Rank: #18812 (+214)
30K20M
13:38 | 10:02/mi
21M
3:19:58
Rank: #18668 (+144)
20M21M
11:05 | 11:05/mi
35K· 21.75 mi
3:27:58
Rank: #18678 (-10)
21M35K
8:00 | 10:42/mi
23M
3:40:56
Rank: #18508 (+170)
35K23M
12:58 | 10:21/mi
24M
3:50:34
Rank: #18347 (+161)
23M24M
9:38 | 9:38/mi
40K· 24.85 mi
3:59:19
Rank: #18240 (+107)
24M40K
8:45 | 10:14/mi
25.2M
4:03:56
Rank: #18273 (-33)
40K25.2M
4:37 | 13:23/mi
Finish· 26.22 mi
4:14:52
Rank: #18343 (-70)
25.2MFinish
10:56 | 10:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:09
Pace9:14 /mi
2nd Half
Distance13.11 mi
Time2:13:43
Pace10:12 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:4427:599:0027:59
9:00
-
10K
6.21 mi11:29:3656:519:0928:52
9:17
+0:17
15K
9.32 mi11:58:511:26:069:1429:15
9:25
+0:08
20K
12.43 mi12:27:391:54:549:1528:48
9:16
-0:09
Half
13.11 mi12:33:542:01:099:146:15
9:10
-0:06
25K
15.53 mi12:56:512:24:069:1722:57
9:28
+0:18
30K
18.64 mi13:28:002:55:159:2431:09
10:02
+0:34
20M
20.00 mi13:41:383:08:539:2713:38
10:02
0:00
21M
21.00 mi13:52:433:19:589:3111:05
11:05
+1:03
35K
21.75 mi14:00:433:27:589:348:00
10:42
-0:23
23M
23.00 mi14:13:413:40:569:3612:58
10:21
-0:21
24M
24.00 mi14:23:193:50:349:369:38
9:38
-0:43
40K
24.85 mi14:32:043:59:199:388:45
10:14
+0:36
25.2M
25.20 mi14:36:414:03:569:414:37
13:23
+3:09
Finish
26.22 mi14:47:374:14:529:4410:56
10:44
-2:39

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

9:00 /mi

Average Pace

9:44 /mi

Slowest Pace

13:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:06

57% of race

Time at Steady Pace

1:16:08

30% of race

Time at Slower Pace

34:38

14% of race

Average Pace: 9:43 /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 mi11:00:4427:599:0027:59
9:00
#20093
10K
6.21 mi11:29:3656:519:0928:52
9:17
#20464
15K
9.32 mi11:58:511:26:069:1429:15
9:25
#20446
20K
12.43 mi12:27:391:54:549:1528:48
9:16
#19924
Half
13.11 mi12:33:542:01:099:146:15
9:10
#19881
25K
15.53 mi12:56:512:24:069:1722:57
9:28
#19447
30K
18.64 mi13:28:002:55:159:2431:09
10:02
#19026
20M
20.00 mi13:41:383:08:539:2713:38
10:02
#18812
21M
21.00 mi13:52:433:19:589:3111:05
11:05
#18668
35K
21.75 mi14:00:433:27:589:348:00
10:42
#18678
23M
23.00 mi14:13:413:40:569:3612:58
10:21
#18508
24M
24.00 mi14:23:193:50:349:369:38
9:38
#18347
40K
24.85 mi14:32:043:59:199:388:45
10:14
#18240
25.2M
25.20 mi14:36:414:03:569:414:37
13:23
#18273
Finish
26.22 mi14:47:374:14:529:4410:56
10:44
#18343
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi200937923792320412(Top 80%)8009(Top 73%)8009(Top 914%)
10K6.21 mi3.10 mi20464-3718103-1808103-18020761(Top 81%)8232(Top 75%)8232(Top 940%)
15K9.32 mi3.11 mi20446+188062+418062+4120412(Top 80%)8009(Top 73%)8009(Top 914%)
20K12.43 mi3.11 mi19924+5227789+2737789+27318462(Top 72%)6971(Top 64%)6971(Top 796%)
Half13.11 mi0.68 mi19881+437768+217768+2118962(Top 74%)7315(Top 67%)7315(Top 835%)
25K15.53 mi2.42 mi19447+4347547+2217547+22117436(Top 68%)6511(Top 60%)6511(Top 743%)
30K18.64 mi3.11 mi19026+4217379+1687379+16817440(Top 68%)6756(Top 62%)6756(Top 771%)
20M20.00 mi1.36 mi18812+2147293+867293+8616616(Top 65%)6524(Top 60%)6524(Top 745%)
21M21.00 mi1.00 mi18668+1447246+477246+4716567(Top 65%)6633(Top 61%)6633(Top 757%)
35K21.75 mi0.75 mi18678-107277-317277-3119082(Top 75%)7877(Top 72%)7877(Top 899%)
23M23.00 mi1.25 mi18508+1707198+797198+7916615(Top 65%)6718(Top 61%)6718(Top 767%)
24M24.00 mi1.00 mi18347+1617136+627136+6215048(Top 59%)5986(Top 55%)5986(Top 683%)
40K24.85 mi0.85 mi18240+1077104+327104+3215837(Top 62%)6418(Top 59%)6418(Top 733%)
25.2M25.20 mi0.35 mi18273-337127-237127-2320503(Top 80%)8764(Top 80%)8764(Top 1000%)
Finish26.22 mi1.02 mi18343-707193-667193-6620642(Top 81%)8792(Top 80%)8792(Top 1004%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

20412

Females

8009

F55-59

8009

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

20761

Females

8232

F55-59

8232

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

20412

Females

8009

F55-59

8009

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

18462

Females

6971

F55-59

6971

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

18962

Females

7315

F55-59

7315

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

17436

Females

6511

F55-59

6511

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17440

Females

6756

F55-59

6756

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

16616

Females

6524

F55-59

6524

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

16567

Females

6633

F55-59

6633

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19082

Females

7877

F55-59

7877

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

16615

Females

6718

F55-59

6718

23M→24M

23.0 - 24.0 mi

Top 59%
×6stories
+12ft-82ft

Overall

15048

Females

5986

F55-59

5986

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15837

Females

6418

F55-59

6418

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

20503

Females

8764

F55-59

8764

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

20642

Females

8792

F55-59

8792

Passing Analysis

Category:
Athletes Passed
2899
Passed By
1149
Net Change
+1750
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20093
5K10K137508-371#20093#20464
10K15K216198+18#20464#20446
15K20K54523+522#20446#19924
20KHalf518+43#19924#19881
Half25K45319+434#19881#19447
25K30K46847+421#19447#19026
30K20M22915+214#19026#18812
20M21M17127+144#18812#18668
21M35K6272-10#18668#18678
35K23M20333+170#18678#18508
23M24M1676+161#18508#18347
24M40K11811+107#18347#18240
40K25.2M2457-33#18240#18273
25.2MFinish55125-70#18273#18343
TOTALS28991149+1750
📊

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