Amy Zheng

Bib: 22255F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 44%
Masters (Masters Women)
#0 / 6263
Top 34%
Division (F50-54)
#0 / 1187
Top 27%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:44
Rank: #14373
Start5K
24:44 | 7:58/mi
10K· 6.21 mi
49:31
Rank: #14189 (+184)
5K10K
24:47 | 7:59/mi
15K· 9.32 mi
1:14:15
Rank: #13836 (+353)
10K15K
24:44 | 7:58/mi
20K· 12.43 mi
1:41:26
Rank: #14479 (-643)
15K20K
27:11 | 8:45/mi
Half· 13.11 mi
1:46:39
Rank: #14252 (+227)
20KHalf
5:13 | 7:39/mi
25K· 15.53 mi
2:07:24
Rank: #14046 (+206)
Half25K
20:45 | 8:33/mi
30K· 18.64 mi
2:35:46
Rank: #13946 (+100)
25K30K
28:22 | 9:08/mi
20M
2:48:26
Rank: #13918 (+28)
30K20M
12:40 | 9:19/mi
21M
2:58:22
Rank: #13812 (+106)
20M21M
9:56 | 9:56/mi
35K· 21.75 mi
3:05:20
Rank: #13815 (-3)
21M35K
6:58 | 9:19/mi
23M
3:18:43
Rank: #14185 (-370)
35K23M
13:23 | 10:41/mi
24M
3:28:56
Rank: #14365 (-180)
23M24M
10:13 | 10:13/mi
40K· 24.85 mi
3:36:25
Rank: #14160 (+205)
24M40K
7:29 | 8:45/mi
25.2M
3:40:01
Rank: #14116 (+44)
40K25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:49:00
Rank: #14055 (+61)
25.2MFinish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:39
Pace8:08 /mi
2nd Half
Distance13.11 mi
Time2:02:21
Pace9:20 /mi
📊Positive Split: 14.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0024:447:5824:44
7:58
-
10K
6.21 mi11:47:4749:317:5824:47
7:59
+0:01
15K
9.32 mi12:12:311:14:157:5824:44
7:58
-0:01
20K
12.43 mi12:39:421:41:268:1027:11
8:45
+0:47
Half
13.11 mi12:44:551:46:398:085:13
7:39
-1:06
25K
15.53 mi13:05:402:07:248:1220:45
8:33
+0:54
30K
18.64 mi13:34:022:35:468:2128:22
9:08
+0:35
20M
20.00 mi13:46:422:48:268:2512:40
9:19
+0:11
21M
21.00 mi13:56:382:58:228:309:56
9:56
+0:37
35K
21.75 mi14:03:363:05:208:316:58
9:19
-0:37
23M
23.00 mi14:16:593:18:438:3813:23
10:41
+1:22
24M
24.00 mi14:27:123:28:568:4210:13
10:13
-0:28
40K
24.85 mi14:34:413:36:258:427:29
8:45
-1:28
25.2M
25.20 mi14:38:173:40:018:443:36
10:26
+1:41
Finish
26.22 mi14:47:163:49:008:448:59
8:49
-1:37

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

7:39 /mi

Average Pace

8:44 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:28

35% of race

Time at Steady Pace

1:32:46

41% of race

Time at Slower Pace

56:46

25% of race

Average Pace: 8:44 /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 mi11:23:0024:447:5824:44
7:58
#14373
10K
6.21 mi11:47:4749:317:5824:47
7:59
#14189
15K
9.32 mi12:12:311:14:157:5824:44
7:58
#13836
20K
12.43 mi12:39:421:41:268:1027:11
8:45
#14479
Half
13.11 mi12:44:551:46:398:085:13
7:39
#14252
25K
15.53 mi13:05:402:07:248:1220:45
8:33
#14046
30K
18.64 mi13:34:022:35:468:2128:22
9:08
#13946
20M
20.00 mi13:46:422:48:268:2512:40
9:19
#13918
21M
21.00 mi13:56:382:58:228:309:56
9:56
#13812
35K
21.75 mi14:03:363:05:208:316:58
9:19
#13815
23M
23.00 mi14:16:593:18:438:3813:23
10:41
#14185
24M
24.00 mi14:27:123:28:568:4210:13
10:13
#14365
40K
24.85 mi14:34:413:36:258:427:29
8:45
#14160
25.2M
25.20 mi14:38:173:40:018:443:36
10:26
#14116
Finish
26.22 mi14:47:163:49:008:448:59
8:49
#14055
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi143734547454713184(Top 52%)3908(Top 36%)3908(Top 329%)
10K6.21 mi3.10 mi14189+1844450+974450+9714041(Top 55%)4375(Top 40%)4375(Top 369%)
15K9.32 mi3.11 mi13836+3534252+1984252+19813184(Top 52%)3908(Top 36%)3908(Top 329%)
20K12.43 mi3.11 mi14479-6434640-3884640-38816103(Top 63%)5649(Top 52%)5649(Top 476%)
Half13.11 mi0.68 mi14252+2274519+1214519+12110284(Top 40%)2463(Top 23%)2463(Top 207%)
25K15.53 mi2.42 mi14046+2064432+874432+8713381(Top 52%)4262(Top 39%)4262(Top 359%)
30K18.64 mi3.11 mi13946+1004450-184450-1813876(Top 54%)4779(Top 44%)4779(Top 403%)
20M20.00 mi1.36 mi13918+284490-404490-4013722(Top 54%)4970(Top 45%)4970(Top 419%)
21M21.00 mi1.00 mi13812+1064495-54495-512717(Top 50%)4641(Top 42%)4641(Top 391%)
35K21.75 mi0.75 mi13815-34532-374532-3714778(Top 58%)5726(Top 52%)5726(Top 482%)
23M23.00 mi1.25 mi14185-3704782-2504782-25017548(Top 69%)7185(Top 66%)7185(Top 605%)
24M24.00 mi1.00 mi14365-1804943-1614943-16117027(Top 67%)6958(Top 64%)6958(Top 586%)
40K24.85 mi0.85 mi14160+2054853+904853+909674(Top 38%)3413(Top 31%)3413(Top 288%)
25.2M25.20 mi0.35 mi14116+444844+94844+912643(Top 49%)4932(Top 45%)4932(Top 416%)
Finish26.22 mi1.02 mi14055+614854-104854-1013268(Top 52%)5099(Top 47%)5099(Top 430%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13184

Females

3908

F50-54

3908

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14041

Females

4375

F50-54

4375

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13184

Females

3908

F50-54

3908

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16103

Females

5649

F50-54

5649

20K→Half

12.4 - 13.1 mi

Top 40%
×2stories
+19ft-37ft

Overall

10284

Females

2463

F50-54

2463

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13381

Females

4262

F50-54

4262

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

13876

Females

4779

F50-54

4779

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

13722

Females

4970

F50-54

4970

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

12717

Females

4641

F50-54

4641

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

14778

Females

5726

F50-54

5726

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

17548

Females

7185

F50-54

7185

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17027

Females

6958

F50-54

6958

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

9674

Females

3413

F50-54

3413

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12643

Females

4932

F50-54

4932

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13268

Females

5099

F50-54

5099

Passing Analysis

Category:
Athletes Passed
2690
Passed By
2372
Net Change
+318
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14373
5K10K382198+184#14373#14189
10K15K42269+353#14189#13836
15K20K93736-643#13836#14479
20KHalf2270+227#14479#14252
Half25K320114+206#14252#14046
25K30K329229+100#14046#13946
30K20M146118+28#13946#13918
20M21M19387+106#13918#13812
21M35K8790-3#13812#13815
35K23M46416-370#13815#14185
23M24M58238-180#14185#14365
24M40K2105+205#14365#14160
40K25.2M6824+44#14160#14116
25.2MFinish10948+61#14116#14055
TOTALS26902372+318
📊

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