Yi Zeng

Bib: 20650F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 44%
Gender (Female)
#0 / 10924
Top 31%
Masters (Masters Women)
#0 / 6263
Top 18%
Division (F45-49)
#0 / 1753
Top 22%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:16
Rank: #13180
Start5K
24:16 | 7:49/mi
10K· 6.21 mi
49:02
Rank: #13585 (-405)
5K10K
24:46 | 7:58/mi
15K· 9.32 mi
1:13:50
Rank: #13475 (+110)
10K15K
24:48 | 7:59/mi
20K· 12.43 mi
1:38:43
Rank: #12966 (+509)
15K20K
24:53 | 8:01/mi
Half· 13.11 mi
1:44:01
Rank: #12857 (+109)
20KHalf
5:18 | 7:46/mi
25K· 15.53 mi
2:03:54
Rank: #12504 (+353)
Half25K
19:53 | 8:12/mi
30K· 18.64 mi
2:30:48
Rank: #12288 (+216)
25K30K
26:54 | 8:39/mi
20M
2:43:18
Rank: #12307 (-19)
30K20M
12:30 | 9:12/mi
21M
2:53:07
Rank: #12266 (+41)
20M21M
9:49 | 9:49/mi
35K· 21.75 mi
2:59:19
Rank: #12130 (+136)
21M35K
6:12 | 8:17/mi
23M
3:10:12
Rank: #11925 (+205)
35K23M
10:53 | 8:42/mi
24M
3:18:31
Rank: #11733 (+192)
23M24M
8:19 | 8:19/mi
40K· 24.85 mi
3:25:41
Rank: #11490 (+243)
24M40K
7:10 | 8:23/mi
25.2M
3:29:07
Rank: #11458 (+32)
40K25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:37:27
Rank: #11334 (+124)
25.2MFinish
8:20 | 8:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:01
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time1:53:26
Pace8:39 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5824:167:4924:16
7:49
-
10K
6.21 mi11:44:4449:027:5324:46
7:58
+0:09
15K
9.32 mi12:09:321:13:507:5524:48
7:59
+0:01
20K
12.43 mi12:34:251:38:437:5724:53
8:01
+0:02
Half
13.11 mi12:39:431:44:017:565:18
7:46
-0:15
25K
15.53 mi12:59:362:03:547:5919:53
8:12
+0:26
30K
18.64 mi13:26:302:30:488:0526:54
8:39
+0:27
20M
20.00 mi13:39:002:43:188:1012:30
9:12
+0:33
21M
21.00 mi13:48:492:53:078:159:49
9:49
+0:37
35K
21.75 mi13:55:012:59:198:156:12
8:17
-1:32
23M
23.00 mi14:05:543:10:128:1610:53
8:42
+0:25
24M
24.00 mi14:14:133:18:318:168:19
8:19
-0:23
40K
24.85 mi14:21:233:25:418:177:10
8:23
+0:04
25.2M
25.20 mi14:24:493:29:078:183:26
9:57
+1:34
Finish
26.22 mi14:33:093:37:278:188:20
8:11
-1:46

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

7:46 /mi

Average Pace

8:18 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

29:34

14% of race

Time at Steady Pace

2:04:21

57% of race

Time at Slower Pace

1:03:32

29% of race

Average Pace: 8:18 /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 mi11:19:5824:167:4924:16
7:49
#13180
10K
6.21 mi11:44:4449:027:5324:46
7:58
#13585
15K
9.32 mi12:09:321:13:507:5524:48
7:59
#13475
20K
12.43 mi12:34:251:38:437:5724:53
8:01
#12966
Half
13.11 mi12:39:431:44:017:565:18
7:46
#12857
25K
15.53 mi12:59:362:03:547:5919:53
8:12
#12504
30K
18.64 mi13:26:302:30:488:0526:54
8:39
#12288
20M
20.00 mi13:39:002:43:188:1012:30
9:12
#12307
21M
21.00 mi13:48:492:53:078:159:49
9:49
#12266
35K
21.75 mi13:55:012:59:198:156:12
8:17
#12130
23M
23.00 mi14:05:543:10:128:1610:53
8:42
#11925
24M
24.00 mi14:14:133:18:318:168:19
8:19
#11733
40K
24.85 mi14:21:233:25:418:177:10
8:23
#11490
25.2M
25.20 mi14:24:493:29:078:183:26
9:57
#11458
Finish
26.22 mi14:33:093:37:278:188:20
8:11
#11334
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi131803824382413345(Top 52%)3995(Top 37%)3995(Top 228%)
10K6.21 mi3.10 mi13585-4054080-2564080-25614000(Top 55%)4350(Top 40%)4350(Top 248%)
15K9.32 mi3.11 mi13475+1104035+454035+4513345(Top 52%)3995(Top 37%)3995(Top 228%)
20K12.43 mi3.11 mi12966+5093751+2843751+28411901(Top 47%)3263(Top 30%)3263(Top 186%)
Half13.11 mi0.68 mi12857+1093700+513700+5111167(Top 44%)2907(Top 27%)2907(Top 166%)
25K15.53 mi2.42 mi12504+3533541+1593541+15911381(Top 45%)3168(Top 29%)3168(Top 181%)
30K18.64 mi3.11 mi12288+2163512+293512+2911487(Top 45%)3442(Top 32%)3442(Top 196%)
20M20.00 mi1.36 mi12307-193573-613573-6113135(Top 51%)4635(Top 42%)4635(Top 264%)
21M21.00 mi1.00 mi12266+413618-453618-4512214(Top 48%)4367(Top 40%)4367(Top 249%)
35K21.75 mi0.75 mi12130+1363580+383580+389535(Top 37%)2983(Top 27%)2983(Top 170%)
23M23.00 mi1.25 mi11925+2053531+493531+499534(Top 37%)3146(Top 29%)3146(Top 179%)
24M24.00 mi1.00 mi11733+1923474+573474+578414(Top 33%)2674(Top 24%)2674(Top 153%)
40K24.85 mi0.85 mi11490+2433391+833391+837795(Top 31%)2513(Top 23%)2513(Top 143%)
25.2M25.20 mi0.35 mi11458+323389+23389+210800(Top 42%)3993(Top 37%)3993(Top 228%)
Finish26.22 mi1.02 mi11334+1243379+103379+109676(Top 38%)3362(Top 31%)3362(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13345

Females

3995

F45-49

3995

5K→10K

3.1 - 6.2 mi

Top 55%
×5stories
+79ft-138ft

Overall

14000

Females

4350

F45-49

4350

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13345

Females

3995

F45-49

3995

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

11901

Females

3263

F45-49

3263

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11167

Females

2907

F45-49

2907

Half→25K

13.1 - 15.5 mi

Top 45%
×4stories
+66ft-88ft

Overall

11381

Females

3168

F45-49

3168

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

11487

Females

3442

F45-49

3442

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13135

Females

4635

F45-49

4635

20M→21M

20.0 - 21.0 mi

Top 48%
×8stories
+106ft-24ft

Overall

12214

Females

4367

F45-49

4367

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9535

Females

2983

F45-49

2983

35K→23M

21.8 - 23.0 mi

Top 37%
×5stories
+23ft-63ft

Overall

9534

Females

3146

F45-49

3146

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8414

Females

2674

F45-49

2674

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7795

Females

2513

F45-49

2513

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

10800

Females

3993

F45-49

3993

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

9676

Females

3362

F45-49

3362

Passing Analysis

Category:
Athletes Passed
3259
Passed By
1413
Net Change
+1846
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13180
5K10K168573-405#13180#13585
10K15K268158+110#13585#13475
15K20K55748+509#13475#12966
20KHalf1189+109#12966#12857
Half25K41360+353#12857#12504
25K30K402186+216#12504#12288
30K20M131150-19#12288#12307
20M21M147106+41#12307#12266
21M35K15317+136#12266#12130
35K23M23934+205#12130#11925
23M24M20210+192#11925#11733
24M40K2518+243#11733#11490
40K25.2M5220+32#11490#11458
25.2MFinish15834+124#11458#11334
TOTALS32591413+1846
📊

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