Jun Cao

Bib: 11596M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Masters (Masters Men)
#0 / 9891
Top 17%
Division (M50-54)
#0 / 2052
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:36
Rank: #7943
Start5K
22:36 | 7:16/mi
10K· 6.21 mi
44:36
Rank: #7608 (+335)
5K10K
22:00 | 7:05/mi
15K· 9.32 mi
1:06:30
Rank: #7320 (+288)
10K15K
21:54 | 7:03/mi
20K· 12.43 mi
1:28:30
Rank: #7060 (+260)
15K20K
22:00 | 7:05/mi
Half· 13.11 mi
1:33:18
Rank: #7034 (+26)
20KHalf
4:48 | 7:02/mi
25K· 15.53 mi
1:50:29
Rank: #6839 (+195)
Half25K
17:11 | 7:05/mi
30K· 18.64 mi
2:12:47
Rank: #6536 (+303)
25K30K
22:18 | 7:11/mi
20M
2:22:20
Rank: #6328 (+208)
30K20M
9:33 | 7:02/mi
21M
2:29:31
Rank: #6115 (+213)
20M21M
7:11 | 7:11/mi
35K· 21.75 mi
2:34:34
Rank: #5997 (+118)
21M35K
5:03 | 6:45/mi
23M
2:43:10
Rank: #5784 (+213)
35K23M
8:36 | 6:52/mi
24M
2:49:50
Rank: #5598 (+186)
23M24M
6:40 | 6:40/mi
40K· 24.85 mi
2:55:36
Rank: #5441 (+157)
24M40K
5:46 | 6:45/mi
25.2M
2:58:02
Rank: #5343 (+98)
40K25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
3:04:41
Rank: #5185 (+158)
25.2MFinish
6:39 | 6:32/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:33:18
Pace7:07 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:31:23
Pace6:58 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3522:367:1622:36
7:16
-
10K
6.21 mi11:11:3544:367:1122:00
7:05
-0:11
15K
9.32 mi11:33:291:06:307:0821:54
7:03
-0:02
20K
12.43 mi11:55:291:28:307:0722:00
7:05
+0:02
Half
13.11 mi12:00:171:33:187:074:48
7:02
-0:03
25K
15.53 mi12:17:281:50:297:0717:11
7:05
+0:03
30K
18.64 mi12:39:462:12:477:0722:18
7:11
+0:06
20M
20.00 mi12:49:192:22:207:079:33
7:02
-0:09
21M
21.00 mi12:56:302:29:317:077:11
7:11
+0:09
35K
21.75 mi13:01:332:34:347:065:03
6:45
-0:26
23M
23.00 mi13:10:092:43:107:068:36
6:52
+0:07
24M
24.00 mi13:16:492:49:507:056:40
6:40
-0:12
40K
24.85 mi13:22:352:55:367:045:46
6:45
+0:05
25.2M
25.20 mi13:25:012:58:027:042:26
7:03
+0:18
Finish
26.22 mi13:31:403:04:417:036:39
6:32
-0:31

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

6:32 /mi

Average Pace

7:03 /mi

Slowest Pace

7:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:42:05

88% of race

Time at Steady Pace

22:36

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:03 /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 mi10:49:3522:367:1622:36
7:16
#7943
10K
6.21 mi11:11:3544:367:1122:00
7:05
#7608
15K
9.32 mi11:33:291:06:307:0821:54
7:03
#7320
20K
12.43 mi11:55:291:28:307:0722:00
7:05
#7060
Half
13.11 mi12:00:171:33:187:074:48
7:02
#7034
25K
15.53 mi12:17:281:50:297:0717:11
7:05
#6839
30K
18.64 mi12:39:462:12:477:0722:18
7:11
#6536
20M
20.00 mi12:49:192:22:207:079:33
7:02
#6328
21M
21.00 mi12:56:302:29:317:077:11
7:11
#6115
35K
21.75 mi13:01:332:34:347:065:03
6:45
#5997
23M
23.00 mi13:10:092:43:107:068:36
6:52
#5784
24M
24.00 mi13:16:492:49:507:056:40
6:40
#5598
40K
24.85 mi13:22:352:55:367:045:46
6:45
#5441
25.2M
25.20 mi13:25:012:58:027:042:26
7:03
#5343
Finish
26.22 mi13:31:403:04:417:036:39
6:32
#5185
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi7943693569356840(Top 26%)6119(Top 40%)6119(Top 298%)
10K6.21 mi3.10 mi7608+3356710+2256710+2257305(Top 27%)6456(Top 43%)6456(Top 315%)
15K9.32 mi3.11 mi7320+2886490+2206490+2206840(Top 26%)6119(Top 40%)6119(Top 298%)
20K12.43 mi3.11 mi7060+2606291+1996291+1996443(Top 24%)5797(Top 38%)5797(Top 283%)
Half13.11 mi0.68 mi7034+266271+206271+206681(Top 25%)5988(Top 39%)5988(Top 292%)
25K15.53 mi2.42 mi6839+1956117+1546117+1546031(Top 23%)5467(Top 36%)5467(Top 266%)
30K18.64 mi3.11 mi6536+3035871+2465871+2465365(Top 20%)4890(Top 32%)4890(Top 238%)
20M20.00 mi1.36 mi6328+2085701+1705701+1704217(Top 16%)3896(Top 26%)3896(Top 190%)
21M21.00 mi1.00 mi6115+2135525+1765525+1763037(Top 11%)2848(Top 19%)2848(Top 139%)
35K21.75 mi0.75 mi5997+1185429+965429+963909(Top 15%)3603(Top 24%)3603(Top 176%)
23M23.00 mi1.25 mi5784+2135253+1765253+1763073(Top 12%)2868(Top 19%)2868(Top 140%)
24M24.00 mi1.00 mi5598+1865099+1545099+1542958(Top 11%)2750(Top 18%)2750(Top 134%)
40K24.85 mi0.85 mi5441+1574965+1344965+1342584(Top 10%)2398(Top 16%)2398(Top 117%)
25.2M25.20 mi0.35 mi5343+984877+884877+882000(Top 8%)1883(Top 12%)1883(Top 92%)
Finish26.22 mi1.02 mi5185+1584749+1284749+1282636(Top 10%)2422(Top 16%)2422(Top 118%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

6840

Males

6119

M50-54

6119

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7305

Males

6456

M50-54

6456

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

6840

Males

6119

M50-54

6119

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6443

Males

5797

M50-54

5797

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6681

Males

5988

M50-54

5988

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6031

Males

5467

M50-54

5467

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5365

Males

4890

M50-54

4890

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4217

Males

3896

M50-54

3896

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3037

Males

2848

M50-54

2848

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

3909

Males

3603

M50-54

3603

35K→23M

21.8 - 23.0 mi

Top 12%
×5stories
+23ft-63ft

Overall

3073

Males

2868

M50-54

2868

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

2958

Males

2750

M50-54

2750

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2584

Males

2398

M50-54

2398

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2000

Males

1883

M50-54

1883

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2636

Males

2422

M50-54

2422

Passing Analysis

Category:
Athletes Passed
2949
Passed By
191
Net Change
+2758
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7943
5K10K440105+335#7943#7608
10K15K32537+288#7608#7320
15K20K27515+260#7320#7060
20KHalf348+26#7060#7034
Half25K2038+195#7034#6839
25K30K3107+303#6839#6536
30K20M2113+208#6536#6328
20M21M2152+213#6328#6115
21M35K1202+118#6115#5997
35K23M2130+213#5997#5784
23M24M1871+186#5784#5598
24M40K1581+157#5598#5441
40K25.2M991+98#5441#5343
25.2MFinish1591+158#5343#5185
TOTALS2949191+2758
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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