Yi Cao

Bib: 6261M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:52
Rank: #7276
Start5K
21:52 | 7:02/mi
10K· 6.21 mi
45:03
Rank: #8511 (-1235)
5K10K
23:11 | 7:28/mi
15K· 9.32 mi
1:09:25
Rank: #9725 (-1214)
10K15K
24:22 | 7:51/mi
20K· 12.43 mi
1:34:13
Rank: #10256 (-531)
15K20K
24:48 | 7:59/mi
Half· 13.11 mi
1:39:52
Rank: #10480 (-224)
20KHalf
5:39 | 8:17/mi
25K· 15.53 mi
2:01:40
Rank: #11512 (-1032)
Half25K
21:48 | 8:59/mi
30K· 18.64 mi
2:43:03
Rank: #16131 (-4619)
25K30K
41:23 | 13:19/mi
20M
3:05:43
Rank: #18240 (-2109)
30K20M
22:40 | 16:41/mi
21M
3:18:45
Rank: #18468 (-228)
20M21M
13:02 | 13:02/mi
35K· 21.75 mi
3:27:48
Rank: #18644 (-176)
21M35K
9:03 | 12:06/mi
23M
3:41:38
Rank: #18614 (+30)
35K23M
13:50 | 11:03/mi
24M
3:52:16
Rank: #18588 (+26)
23M24M
10:38 | 10:38/mi
40K· 24.85 mi
4:00:28
Rank: #18414 (+174)
24M40K
8:12 | 9:35/mi
25.2M
4:04:40
Rank: #18385 (+29)
40K25.2M
4:12 | 12:11/mi
Finish· 26.22 mi
4:13:21
Rank: #18153 (+232)
25.2MFinish
8:41 | 8:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:52
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time2:33:29
Pace11:42 /mi
📊Positive Split: 53.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3221:527:0221:52
7:02
-
10K
6.21 mi11:10:4345:037:1523:11
7:28
+0:26
15K
9.32 mi11:35:051:09:257:2724:22
7:51
+0:23
20K
12.43 mi11:59:531:34:137:3524:48
7:59
+0:08
Half
13.11 mi12:05:321:39:527:375:39
8:17
+0:18
25K
15.53 mi12:27:202:01:407:5021:48
8:59
+0:42
30K
18.64 mi13:08:432:43:038:4541:23
13:19
+4:20
20M
20.00 mi13:31:233:05:439:1722:40
16:41
+3:22
21M
21.00 mi13:44:253:18:459:2813:02
13:02
-3:39
35K
21.75 mi13:53:283:27:489:339:03
12:06
-0:56
23M
23.00 mi14:07:183:41:389:3813:50
11:03
-1:03
24M
24.00 mi14:17:563:52:169:4110:38
10:38
-0:25
40K
24.85 mi14:26:084:00:289:408:12
9:35
-1:03
25.2M
25.20 mi14:30:204:04:409:434:12
12:11
+2:36
Finish
26.22 mi14:39:014:13:219:408:41
8:31
-3:40

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

9:40 /mi

Slowest Pace

16:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:13

37% of race

Time at Steady Pace

54:58

22% of race

Time at Slower Pace

1:44:10

41% of race

Average Pace: 9:40 /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 mi10:47:3221:527:0221:52
7:02
#7276
10K
6.21 mi11:10:4345:037:1523:11
7:28
#8511
15K
9.32 mi11:35:051:09:257:2724:22
7:51
#9725
20K
12.43 mi11:59:531:34:137:3524:48
7:59
#10256
Half
13.11 mi12:05:321:39:527:375:39
8:17
#10480
25K
15.53 mi12:27:202:01:407:5021:48
8:59
#11512
30K
18.64 mi13:08:432:43:038:4541:23
13:19
#16131
20M
20.00 mi13:31:233:05:439:1722:40
16:41
#18240
21M
21.00 mi13:44:253:18:459:2813:02
13:02
#18468
35K
21.75 mi13:53:283:27:489:339:03
12:06
#18644
23M
23.00 mi14:07:183:41:389:3813:50
11:03
#18614
24M
24.00 mi14:17:563:52:169:4110:38
10:38
#18588
40K
24.85 mi14:26:084:00:289:408:12
9:35
#18414
25.2M
25.20 mi14:30:204:04:409:434:12
12:11
#18385
Finish
26.22 mi14:39:014:13:219:408:41
8:31
#18153
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi72766354635412285(Top 48%)8859(Top 61%)8859(Top 441%)
10K6.21 mi3.10 mi8511-12357079-7257079-7259950(Top 39%)7859(Top 54%)7859(Top 391%)
15K9.32 mi3.11 mi9725-12147739-6607739-66012285(Top 48%)8859(Top 61%)8859(Top 441%)
20K12.43 mi3.11 mi10256-5317950-2117950-21111703(Top 46%)8515(Top 58%)8515(Top 424%)
Half13.11 mi0.68 mi10480-2248051-1018051-10114481(Top 57%)9715(Top 67%)9715(Top 484%)
25K15.53 mi2.42 mi11512-10328499-4488499-44815481(Top 61%)10018(Top 69%)10018(Top 499%)
30K18.64 mi3.11 mi16131-461910344-184510344-184523638(Top 93%)13615(Top 93%)13615(Top 678%)
20M20.00 mi1.36 mi18240-210911209-86511209-86525322(Top 99%)14434(Top 99%)14434(Top 718%)
21M21.00 mi1.00 mi18468-22811289-8011289-8020779(Top 81%)12037(Top 83%)12037(Top 599%)
35K21.75 mi0.75 mi18644-17611351-6211351-6221953(Top 86%)12577(Top 86%)12577(Top 626%)
23M23.00 mi1.25 mi18614+3011317+3411317+3418548(Top 73%)10837(Top 74%)10837(Top 539%)
24M24.00 mi1.00 mi18588+2611285+3211285+3218242(Top 71%)10621(Top 73%)10621(Top 529%)
40K24.85 mi0.85 mi18414+17411192+9311192+9313463(Top 53%)8175(Top 56%)8175(Top 407%)
25.2M25.20 mi0.35 mi18385+2911166+2611166+2617739(Top 69%)10293(Top 71%)10293(Top 512%)
Finish26.22 mi1.02 mi18153+23211017+14911017+14911628(Top 46%)7323(Top 50%)7323(Top 365%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12285

Males

8859

M40-44

8859

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

9950

Males

7859

M40-44

7859

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12285

Males

8859

M40-44

8859

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

11703

Males

8515

M40-44

8515

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

14481

Males

9715

M40-44

9715

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

15481

Males

10018

M40-44

10018

25K→30K

15.5 - 18.6 mi

Top 93%
×9stories
+181ft-148ft

Overall

23638

Males

13615

M40-44

13615

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

25322

Males

14434

M40-44

14434

20M→21M

20.0 - 21.0 mi

Top 81%
×8stories
+106ft-24ft

Overall

20779

Males

12037

M40-44

12037

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

21953

Males

12577

M40-44

12577

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

18548

Males

10837

M40-44

10837

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18242

Males

10621

M40-44

10621

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

13463

Males

8175

M40-44

8175

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

17739

Males

10293

M40-44

10293

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

11628

Males

7323

M40-44

7323

Passing Analysis

Category:
Athletes Passed
925
Passed By
11800
Net Change
-10877
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7276
5K10K201255-1235#7276#8511
10K15K251239-1214#8511#9725
15K20K92621-531#9725#10256
20KHalf8232-224#10256#10480
Half25K581090-1032#10480#11512
25K30K44623-4619#11512#16131
30K20M42113-2109#16131#18240
20M21M34262-228#18240#18468
21M35K25201-176#18468#18644
35K23M12595+30#18644#18614
23M24M7549+26#18614#18588
24M40K1762+174#18588#18414
40K25.2M4516+29#18414#18385
25.2MFinish2342+232#18385#18153
TOTALS92511800-10877
📊

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