Zhiyuan Cai

Bib: 11704M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 26%
Gender (Male)
#0 / 15176
Top 40%
Masters (Masters Men)
#0 / 9891
Top 27%
Division (M45-49)
#0 / 2252
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:40
Rank: #8073
Start5K
22:40 | 7:18/mi
10K· 6.21 mi
45:10
Rank: #8231 (-158)
5K10K
22:30 | 7:15/mi
15K· 9.32 mi
1:07:39
Rank: #8151 (+80)
10K15K
22:29 | 7:14/mi
20K· 12.43 mi
1:30:19
Rank: #8015 (+136)
15K20K
22:40 | 7:18/mi
Half· 13.11 mi
1:35:07
Rank: #7945 (+70)
20KHalf
4:48 | 7:02/mi
25K· 15.53 mi
1:52:40
Rank: #7735 (+210)
Half25K
17:33 | 7:14/mi
30K· 18.64 mi
2:15:54
Rank: #7571 (+164)
25K30K
23:14 | 7:29/mi
20M
2:26:12
Rank: #7509 (+62)
30K20M
10:18 | 7:35/mi
21M
2:34:16
Rank: #7503 (+6)
20M21M
8:04 | 8:04/mi
35K· 21.75 mi
2:39:44
Rank: #7470 (+33)
21M35K
5:28 | 7:18/mi
23M
2:49:08
Rank: #7369 (+101)
35K23M
9:24 | 7:30/mi
24M
2:56:15
Rank: #7249 (+120)
23M24M
7:07 | 7:07/mi
40K· 24.85 mi
3:02:23
Rank: #7117 (+132)
24M40K
6:08 | 7:10/mi
25.2M
3:05:08
Rank: #7082 (+35)
40K25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:12:28
Rank: #7005 (+77)
25.2MFinish
7:20 | 7:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:07
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:37:21
Pace7:26 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3322:407:1822:40
7:18
-
10K
6.21 mi11:12:0345:107:1622:30
7:15
-0:03
15K
9.32 mi11:34:321:07:397:1522:29
7:14
-0:01
20K
12.43 mi11:57:121:30:197:1622:40
7:18
+0:04
Half
13.11 mi12:02:001:35:077:154:48
7:02
-0:16
25K
15.53 mi12:19:331:52:407:1517:33
7:14
+0:12
30K
18.64 mi12:42:472:15:547:1723:14
7:29
+0:15
20M
20.00 mi12:53:052:26:127:1910:18
7:35
+0:06
21M
21.00 mi13:01:092:34:167:218:04
8:04
+0:29
35K
21.75 mi13:06:372:39:447:215:28
7:18
-0:46
23M
23.00 mi13:16:012:49:087:219:24
7:30
+0:12
24M
24.00 mi13:23:082:56:157:217:07
7:07
-0:23
40K
24.85 mi13:29:163:02:237:206:08
7:10
+0:03
25.2M
25.20 mi13:32:013:05:087:212:45
7:58
+0:48
Finish
26.22 mi13:39:213:12:287:217:20
7:12
-0:46

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

7:02 /mi

Average Pace

7:21 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:39

94% of race

Time at Steady Pace

10:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:20 /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 mi10:49:3322:407:1822:40
7:18
#8073
10K
6.21 mi11:12:0345:107:1622:30
7:15
#8231
15K
9.32 mi11:34:321:07:397:1522:29
7:14
#8151
20K
12.43 mi11:57:121:30:197:1622:40
7:18
#8015
Half
13.11 mi12:02:001:35:077:154:48
7:02
#7945
25K
15.53 mi12:19:331:52:407:1517:33
7:14
#7735
30K
18.64 mi12:42:472:15:547:1723:14
7:29
#7571
20M
20.00 mi12:53:052:26:127:1910:18
7:35
#7509
21M
21.00 mi13:01:092:34:167:218:04
8:04
#7503
35K
21.75 mi13:06:372:39:447:215:28
7:18
#7470
23M
23.00 mi13:16:012:49:087:219:24
7:30
#7369
24M
24.00 mi13:23:082:56:157:217:07
7:07
#7249
40K
24.85 mi13:29:163:02:237:206:08
7:10
#7117
25.2M
25.20 mi13:32:013:05:087:212:45
7:58
#7082
Finish
26.22 mi13:39:213:12:287:217:20
7:12
#7005
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8073701870188041(Top 30%)6944(Top 46%)6944(Top 308%)
10K6.21 mi3.10 mi8231-1587105-877105-878401(Top 32%)7191(Top 47%)7191(Top 319%)
15K9.32 mi3.11 mi8151+807049+567049+568041(Top 30%)6944(Top 46%)6944(Top 308%)
20K12.43 mi3.11 mi8015+1366944+1056944+1057733(Top 29%)6708(Top 44%)6708(Top 298%)
Half13.11 mi0.68 mi7945+706897+476897+476740(Top 25%)6047(Top 40%)6047(Top 269%)
25K15.53 mi2.42 mi7735+2106746+1516746+1516886(Top 26%)6079(Top 40%)6079(Top 270%)
30K18.64 mi3.11 mi7571+1646606+1406606+1407065(Top 27%)6112(Top 40%)6112(Top 271%)
20M20.00 mi1.36 mi7509+626537+696537+697338(Top 28%)6176(Top 41%)6176(Top 274%)
21M21.00 mi1.00 mi7503+66518+196518+197754(Top 29%)6337(Top 42%)6337(Top 281%)
35K21.75 mi0.75 mi7470+336483+356483+357144(Top 27%)5984(Top 39%)5984(Top 266%)
23M23.00 mi1.25 mi7369+1016394+896394+896455(Top 24%)5477(Top 36%)5477(Top 243%)
24M24.00 mi1.00 mi7249+1206301+936301+935297(Top 20%)4642(Top 31%)4642(Top 206%)
40K24.85 mi0.85 mi7117+1326199+1026199+1024758(Top 18%)4185(Top 28%)4185(Top 186%)
25.2M25.20 mi0.35 mi7082+356163+366163+366318(Top 24%)5154(Top 34%)5154(Top 229%)
Finish26.22 mi1.02 mi7005+776087+766087+766383(Top 24%)5191(Top 34%)5191(Top 231%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8041

Males

6944

M45-49

6944

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8401

Males

7191

M45-49

7191

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8041

Males

6944

M45-49

6944

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7733

Males

6708

M45-49

6708

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6740

Males

6047

M45-49

6047

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6886

Males

6079

M45-49

6079

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7065

Males

6112

M45-49

6112

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7338

Males

6176

M45-49

6176

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

7754

Males

6337

M45-49

6337

21M→35K

21.0 - 21.8 mi

Top 27%
×7stories
+17ft-86ft

Overall

7144

Males

5984

M45-49

5984

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6455

Males

5477

M45-49

5477

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5297

Males

4642

M45-49

4642

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4758

Males

4185

M45-49

4185

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6318

Males

5154

M45-49

5154

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6383

Males

5191

M45-49

5191

Passing Analysis

Category:
Athletes Passed
1791
Passed By
723
Net Change
+1068
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8073
5K10K160318-158#8073#8231
10K15K17494+80#8231#8151
15K20K19054+136#8151#8015
20KHalf711+70#8015#7945
Half25K22111+210#7945#7735
25K30K21753+164#7735#7571
30K20M10442+62#7571#7509
20M21M6862+6#7509#7503
21M35K5219+33#7503#7470
35K23M12221+101#7470#7369
23M24M1277+120#7369#7249
24M40K1342+132#7249#7117
40K25.2M4611+35#7117#7082
25.2MFinish10528+77#7082#7005
TOTALS1791723+1068
📊

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