Yunzhe Xiao

Bib: 4924M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 11%
Gender (Male)
#0 / 14578
Top 18%
Masters (Masters Men)
#0 / 9729
Top 8%
Division (M40-44)
#0 / 2009
Top 22%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:51
Rank: #2620
Start5K
19:51 | 6:23/mi
10K· 6.21 mi
40:11
Rank: #2947 (-327)
5K10K
20:20 | 6:33/mi
15K· 9.32 mi
1:01:11
Rank: #3352 (-405)
10K15K
21:00 | 6:46/mi
20K· 12.43 mi
1:22:24
Rank: #3471 (-119)
15K20K
21:13 | 6:50/mi
Half· 13.11 mi
1:26:59
Rank: #3483 (-12)
20KHalf
4:35 | 6:43/mi
25K· 15.53 mi
1:43:36
Rank: #3428 (+55)
Half25K
16:37 | 6:51/mi
30K· 18.64 mi
2:05:21
Rank: #3212 (+216)
25K30K
21:45 | 7:00/mi
20M
2:14:57
Rank: #3105 (+107)
30K20M
9:36 | 7:04/mi
21M
2:22:39
Rank: #3076 (+29)
20M21M
7:42 | 7:42/mi
35K· 21.75 mi
2:27:42
Rank: #3009 (+67)
21M35K
5:03 | 6:45/mi
23M
2:36:37
Rank: #2915 (+94)
35K23M
8:55 | 7:07/mi
24M
2:43:40
Rank: #2860 (+55)
23M24M
7:03 | 7:03/mi
40K· 24.85 mi
2:49:50
Rank: #2818 (+42)
24M40K
6:10 | 7:13/mi
25.2M
2:52:41
Rank: #2825 (-7)
40K25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
2:59:51
Rank: #2860 (-35)
25.2MFinish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:59
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:32:52
Pace7:05 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0119:516:2319:51
6:23
-
10K
6.21 mi10:43:2140:116:2820:20
6:33
+0:10
15K
9.32 mi11:04:211:01:116:3421:00
6:46
+0:13
20K
12.43 mi11:25:341:22:246:3821:13
6:50
+0:04
Half
13.11 mi11:30:091:26:596:384:35
6:43
-0:07
25K
15.53 mi11:46:461:43:366:4016:37
6:51
+0:08
30K
18.64 mi12:08:312:05:216:4321:45
7:00
+0:09
20M
20.00 mi12:18:072:14:576:459:36
7:04
+0:04
21M
21.00 mi12:25:492:22:396:487:42
7:42
+0:38
35K
21.75 mi12:30:522:27:426:475:03
6:45
-0:57
23M
23.00 mi12:39:472:36:376:498:55
7:07
+0:22
24M
24.00 mi12:46:502:43:406:497:03
7:03
-0:04
40K
24.85 mi12:53:002:49:506:506:10
7:13
+0:10
25.2M
25.20 mi12:55:512:52:416:512:51
8:16
+1:03
Finish
26.22 mi13:03:012:59:516:527:10
7:02
-1:14

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

6:23 /mi

Average Pace

6:52 /mi

Slowest Pace

8:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:49

39% of race

Time at Steady Pace

1:38:29

55% of race

Time at Slower Pace

10:33

6% of race

Average Pace: 6:52 /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 mi10:23:0119:516:2319:51
6:23
#2620
10K
6.21 mi10:43:2140:116:2820:20
6:33
#2947
15K
9.32 mi11:04:211:01:116:3421:00
6:46
#3352
20K
12.43 mi11:25:341:22:246:3821:13
6:50
#3471
Half
13.11 mi11:30:091:26:596:384:35
6:43
#3483
25K
15.53 mi11:46:461:43:366:4016:37
6:51
#3428
30K
18.64 mi12:08:312:05:216:4321:45
7:00
#3212
20M
20.00 mi12:18:072:14:576:459:36
7:04
#3105
21M
21.00 mi12:25:492:22:396:487:42
7:42
#3076
35K
21.75 mi12:30:522:27:426:475:03
6:45
#3009
23M
23.00 mi12:39:472:36:376:498:55
7:07
#2915
24M
24.00 mi12:46:502:43:406:497:03
7:03
#2860
40K
24.85 mi12:53:002:49:506:506:10
7:13
#2818
25.2M
25.20 mi12:55:512:52:416:512:51
8:16
#2825
Finish
26.22 mi13:03:012:59:516:527:10
7:02
#2860
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2620252025204350(Top 17%)4060(Top 28%)4060(Top 202%)
10K6.21 mi3.10 mi2947-3272818-2982818-2983275(Top 13%)3114(Top 21%)3114(Top 155%)
15K9.32 mi3.11 mi3352-4053189-3713189-3714350(Top 17%)4060(Top 28%)4060(Top 202%)
20K12.43 mi3.11 mi3471-1193298-1093298-1094079(Top 16%)3806(Top 26%)3806(Top 189%)
Half13.11 mi0.68 mi3483-123306-83306-83846(Top 15%)3594(Top 25%)3594(Top 179%)
25K15.53 mi2.42 mi3428+553251+553251+553498(Top 14%)3265(Top 22%)3265(Top 163%)
30K18.64 mi3.11 mi3212+2163046+2053046+2052868(Top 11%)2676(Top 18%)2676(Top 133%)
20M20.00 mi1.36 mi3105+1072940+1062940+1062625(Top 10%)2437(Top 17%)2437(Top 121%)
21M21.00 mi1.00 mi3076+292902+382902+383136(Top 12%)2808(Top 19%)2808(Top 140%)
35K21.75 mi0.75 mi3009+672837+652837+652109(Top 8%)1948(Top 13%)1948(Top 97%)
23M23.00 mi1.25 mi2915+942746+912746+912317(Top 9%)2099(Top 14%)2099(Top 104%)
24M24.00 mi1.00 mi2860+552690+562690+562488(Top 10%)2212(Top 15%)2212(Top 110%)
40K24.85 mi0.85 mi2818+422646+442646+442527(Top 10%)2210(Top 15%)2210(Top 110%)
25.2M25.20 mi0.35 mi2825-72644+22644+23550(Top 14%)2881(Top 20%)2881(Top 143%)
Finish26.22 mi1.02 mi2860-352669-252669-253263(Top 13%)2706(Top 19%)2706(Top 135%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4350

Males

4060

M40-44

4060

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3275

Males

3114

M40-44

3114

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4350

Males

4060

M40-44

4060

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4079

Males

3806

M40-44

3806

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

3846

Males

3594

M40-44

3594

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3498

Males

3265

M40-44

3265

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

2868

Males

2676

M40-44

2676

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2625

Males

2437

M40-44

2437

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3136

Males

2808

M40-44

2808

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2109

Males

1948

M40-44

1948

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2317

Males

2099

M40-44

2099

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2488

Males

2212

M40-44

2212

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2527

Males

2210

M40-44

2210

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3550

Males

2881

M40-44

2881

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3263

Males

2706

M40-44

2706

Passing Analysis

Category:
Athletes Passed
1213
Passed By
1453
Net Change
-240
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2620
5K10K51378-327#2620#2947
10K15K25430-405#2947#3352
15K20K82201-119#3352#3471
20KHalf1628-12#3471#3483
Half25K15095+55#3483#3428
25K30K27963+216#3428#3212
30K20M13124+107#3212#3105
20M21M8657+29#3105#3076
21M35K747+67#3076#3009
35K23M12430+94#3009#2915
23M24M7419+55#2915#2860
24M40K6422+42#2860#2818
40K25.2M2835-7#2818#2825
25.2MFinish2964-35#2825#2860
TOTALS12131453-240
📊

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