Zheng Feng

Bib: 29376M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:48
Rank: #26885
Start5K
32:48 | 10:33/mi
10K· 6.21 mi
1:08:40
Rank: #27387 (-502)
5K10K
35:52 | 11:33/mi
15K· 9.32 mi
1:46:28
Rank: #27558 (-171)
10K15K
37:48 | 12:10/mi
20K· 12.43 mi
2:26:07
Rank: #27630 (-72)
15K20K
39:39 | 12:46/mi
Half· 13.11 mi
2:34:13
Rank: #27615 (+15)
20KHalf
8:06 | 11:52/mi
25K· 15.53 mi
3:07:35
Rank: #27657 (-42)
Half25K
33:22 | 13:46/mi
30K· 18.64 mi
3:53:12
Rank: #27736 (-79)
25K30K
45:37 | 14:41/mi
20M
4:12:40
Rank: #27728 (+8)
30K20M
19:28 | 14:19/mi
21M
4:28:14
Rank: #27723 (+5)
20M21M
15:34 | 15:34/mi
35K· 21.75 mi
4:37:28
Rank: #27694 (+29)
21M35K
9:14 | 12:21/mi
23M
4:54:45
Rank: #27676 (+18)
35K23M
17:17 | 13:48/mi
24M
5:07:46
Rank: #27661 (+15)
23M24M
13:01 | 13:01/mi
40K· 24.85 mi
5:19:59
Rank: #27671 (-10)
24M40K
12:13 | 14:17/mi
25.2M
5:25:26
Rank: #27679 (-8)
40K25.2M
5:27 | 15:48/mi
Finish· 26.22 mi
5:38:27
Rank: #27680 (-1)
25.2MFinish
13:01 | 12:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:13
Pace11:46 /mi
2nd Half
Distance13.11 mi
Time3:04:14
Pace14:03 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1232:4810:3332:48
10:33
-
10K
6.21 mi12:33:041:08:4011:0335:52
11:33
+1:00
15K
9.32 mi13:10:521:46:2811:2537:48
12:10
+0:37
20K
12.43 mi13:50:312:26:0711:4539:39
12:46
+0:36
Half
13.11 mi13:58:372:34:1311:468:06
11:52
-0:54
25K
15.53 mi14:31:593:07:3512:0533:22
13:46
+1:54
30K
18.64 mi15:17:363:53:1212:3145:37
14:41
+0:55
20M
20.00 mi15:37:044:12:4012:3819:28
14:19
-0:22
21M
21.00 mi15:52:384:28:1412:4615:34
15:34
+1:15
35K
21.75 mi16:01:524:37:2812:459:14
12:21
-3:13
23M
23.00 mi16:19:094:54:4512:4917:17
13:48
+1:27
24M
24.00 mi16:32:105:07:4612:4913:01
13:01
-0:47
40K
24.85 mi16:44:235:19:5912:5212:13
14:17
+1:16
25.2M
25.20 mi16:49:505:25:2612:555:27
15:48
+1:31
Finish
26.22 mi17:02:515:38:2712:5513:01
12:46
-3:02

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

10:33 /mi

Average Pace

12:55 /mi

Slowest Pace

15:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:34

34% of race

Time at Steady Pace

1:14:55

22% of race

Time at Slower Pace

2:28:58

44% of race

Average Pace: 12:54 /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 mi11:57:1232:4810:3332:48
10:33
#26885
10K
6.21 mi12:33:041:08:4011:0335:52
11:33
#27387
15K
9.32 mi13:10:521:46:2811:2537:48
12:10
#27558
20K
12.43 mi13:50:312:26:0711:4539:39
12:46
#27630
Half
13.11 mi13:58:372:34:1311:468:06
11:52
#27615
25K
15.53 mi14:31:593:07:3512:0533:22
13:46
#27657
30K
18.64 mi15:17:363:53:1212:3145:37
14:41
#27736
20M
20.00 mi15:37:044:12:4012:3819:28
14:19
#27728
21M
21.00 mi15:52:384:28:1412:4615:34
15:34
#27723
35K
21.75 mi16:01:524:37:2812:459:14
12:21
#27694
23M
23.00 mi16:19:094:54:4512:4917:17
13:48
#27676
24M
24.00 mi16:32:105:07:4612:4913:01
13:01
#27661
40K
24.85 mi16:44:235:19:5912:5212:13
14:17
#27671
25.2M
25.20 mi16:49:505:25:2612:555:27
15:48
#27679
Finish
26.22 mi17:02:515:38:2712:5513:01
12:46
#27680
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi26885155591555927741(Top 98%)15846(Top 98%)15846(Top 794%)
10K6.21 mi3.10 mi27387-50215736-17715736-17727646(Top 97%)15827(Top 98%)15827(Top 793%)
15K9.32 mi3.11 mi27558-17115796-6015796-6027741(Top 98%)15846(Top 98%)15846(Top 794%)
20K12.43 mi3.11 mi27630-7215812-1615812-1627687(Top 97%)15808(Top 98%)15808(Top 792%)
Half13.11 mi0.68 mi27615+1515804+815804+827361(Top 96%)15671(Top 97%)15671(Top 785%)
25K15.53 mi2.42 mi27657-4215818-1415818-1427767(Top 98%)15826(Top 98%)15826(Top 793%)
30K18.64 mi3.11 mi27736-7915838-2015838-2027889(Top 98%)15825(Top 98%)15825(Top 793%)
20M20.00 mi1.36 mi27728+815821+1715821+1727526(Top 97%)15623(Top 97%)15623(Top 783%)
21M21.00 mi1.00 mi27723+515812+915812+927582(Top 97%)15662(Top 97%)15662(Top 785%)
35K21.75 mi0.75 mi27694+2915799+1315799+1326294(Top 93%)14992(Top 93%)14992(Top 751%)
23M23.00 mi1.25 mi27676+1815787+1215787+1227165(Top 96%)15412(Top 96%)15412(Top 772%)
24M24.00 mi1.00 mi27661+1515771+1615771+1626879(Top 95%)15238(Top 95%)15238(Top 763%)
40K24.85 mi0.85 mi27671-1015769+215769+227390(Top 96%)15503(Top 96%)15503(Top 777%)
25.2M25.20 mi0.35 mi27679-815768+115768+127616(Top 97%)15606(Top 97%)15606(Top 782%)
Finish26.22 mi1.02 mi27680-115763+515763+527478(Top 97%)15549(Top 97%)15549(Top 779%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21stories
+97ft-345ft

Overall

27741

Males

15846

M50-54

15846

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

27646

Males

15827

M50-54

15827

10K→15K

6.2 - 9.3 mi

Top 98%
×3stories
+67ft-78ft

Overall

27741

Males

15846

M50-54

15846

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27687

Males

15808

M50-54

15808

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

27361

Males

15671

M50-54

15671

Half→25K

13.1 - 15.5 mi

Top 98%
×4stories
+66ft-88ft

Overall

27767

Males

15826

M50-54

15826

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

27889

Males

15825

M50-54

15825

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

27526

Males

15623

M50-54

15623

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

27582

Males

15662

M50-54

15662

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

26294

Males

14992

M50-54

14992

35K→23M

21.8 - 23.0 mi

Top 96%
×5stories
+23ft-63ft

Overall

27165

Males

15412

M50-54

15412

23M→24M

23.0 - 24.0 mi

Top 95%
×6stories
+12ft-82ft

Overall

26879

Males

15238

M50-54

15238

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27390

Males

15503

M50-54

15503

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27616

Males

15606

M50-54

15606

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

27478

Males

15549

M50-54

15549

Passing Analysis

Category:
Athletes Passed
392
Passed By
1187
Net Change
-795
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26885
5K10K26528-502#26885#27387
10K15K40211-171#27387#27558
15K20K46118-72#27558#27630
20KHalf2611+15#27630#27615
Half25K4587-42#27615#27657
25K30K28107-79#27657#27736
30K20M3729+8#27736#27728
20M21M2318+5#27728#27723
21M35K290+29#27723#27694
35K23M3517+18#27694#27676
23M24M2712+15#27676#27661
24M40K1323-10#27661#27671
40K25.2M513-8#27671#27679
25.2MFinish1213-1#27679#27680
TOTALS3921187-795
📊

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