Tsz Yin Leung

Bib: 9929M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 28%
Gender (Male)
#0 / 14578
Top 40%
Masters (Masters Men)
#0 / 9729
Top 29%
Division (M45-49)
#0 / 2218
Top 40%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:19
Rank: #10794
Start5K
7:30/mi
23:19 split
10K· 6.21 mi
46:35
Rank: #10441 (+353)
5K10K
7:29/mi
23:16 split
15K· 9.32 mi
1:10:08
Rank: #10363 (+78)
10K15K
7:35/mi
23:33 split
20K· 12.43 mi
1:33:48
Rank: #10003 (+360)
15K20K
7:37/mi
23:40 split
Half· 13.11 mi
1:38:47
Rank: #9856 (+147)
20KHalf
7:18/mi
4:59 split
25K· 15.53 mi
1:57:05
Rank: #9340 (+516)
Half25K
7:33/mi
18:18 split
30K· 18.64 mi
2:21:12
Rank: #8663 (+677)
25K30K
7:46/mi
24:07 split
20M
2:31:56
Rank: #8391 (+272)
30K20M
7:54/mi
10:44 split
21M
2:40:20
Rank: #8144 (+247)
20M21M
8:24/mi
8:24 split
35K· 21.75 mi
2:46:09
Rank: #8031 (+113)
21M35K
7:46/mi
5:49 split
23M
2:55:57
Rank: #7718 (+313)
35K23M
7:50/mi
9:48 split
24M
3:03:43
Rank: #7523 (+195)
23M24M
7:46/mi
7:46 split
40K· 24.85 mi
3:10:39
Rank: #7419 (+104)
24M40K
8:07/mi
6:56 split
25.2M
3:13:38
Rank: #7322 (+97)
40K25.2M
8:39/mi
2:59 split
Finish· 26.22 mi
3:21:11
Rank: #7170 (+152)
25.2MFinish
7:25/mi
7:33 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:47
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:42:24
Pace7:49 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4623:197:3023:19
7:30
-
10K
6.21 mi11:17:0246:357:3023:16
7:29
-0:01
15K
9.32 mi11:40:351:10:087:3123:33
7:35
+0:06
20K
12.43 mi12:04:151:33:487:3323:40
7:37
+0:02
Half
13.11 mi12:09:141:38:477:324:59
7:18
-0:19
25K
15.53 mi12:27:321:57:057:3218:18
7:33
+0:15
30K
18.64 mi12:51:392:21:127:3424:07
7:46
+0:13
20M
20.00 mi13:02:232:31:567:3610:44
7:54
+0:08
21M
21.00 mi13:10:472:40:207:388:24
8:24
+0:30
35K
21.75 mi13:16:362:46:097:385:49
7:46
-0:38
23M
23.00 mi13:26:242:55:577:399:48
7:50
+0:04
24M
24.00 mi13:34:103:03:437:397:46
7:46
-0:04
40K
24.85 mi13:41:063:10:397:406:56
8:07
+0:21
25.2M
25.20 mi13:44:053:13:387:412:59
8:39
+0:32
Finish
26.22 mi13:51:383:21:117:417:33
7:25
-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

7:18 /mi

Average Pace

7:41 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:02:52

91% of race

Time at Steady Pace

15:20

8% of race

Time at Slower Pace

2:59

1% of race

Average Pace: 7:40 /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 mi10:53:4623:197:3023:19
7:30
#10794
10K
6.21 mi11:17:0246:357:3023:16
7:29
#10441
15K
9.32 mi11:40:351:10:087:3123:33
7:35
#10363
20K
12.43 mi12:04:151:33:487:3323:40
7:37
#10003
Half
13.11 mi12:09:141:38:477:324:59
7:18
#9856
25K
15.53 mi12:27:321:57:057:3218:18
7:33
#9340
30K
18.64 mi12:51:392:21:127:3424:07
7:46
#8663
20M
20.00 mi13:02:232:31:567:3610:44
7:54
#8391
21M
21.00 mi13:10:472:40:207:388:24
8:24
#8144
35K
21.75 mi13:16:362:46:097:385:49
7:46
#8031
23M
23.00 mi13:26:242:55:577:399:48
7:50
#7718
24M
24.00 mi13:34:103:03:437:397:46
7:46
#7523
40K
24.85 mi13:41:063:10:397:406:56
8:07
#7419
25.2M
25.20 mi13:44:053:13:387:412:59
8:39
#7322
Finish
26.22 mi13:51:383:21:117:417:33
7:25
#7170
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi107948314831410260(Top 40%)7921(Top 54%)7921(Top 357%)
10K6.21 mi3.10 mi10441+3538124+1908124+19010168(Top 40%)7963(Top 55%)7963(Top 359%)
15K9.32 mi3.11 mi10363+788067+578067+5710260(Top 40%)7921(Top 54%)7921(Top 357%)
20K12.43 mi3.11 mi10003+3607831+2367831+2369177(Top 36%)7255(Top 50%)7255(Top 327%)
Half13.11 mi0.68 mi9856+1477750+817750+817651(Top 30%)6397(Top 44%)6397(Top 288%)
25K15.53 mi2.42 mi9340+5167447+3037447+3037280(Top 28%)5988(Top 41%)5988(Top 270%)
30K18.64 mi3.11 mi8663+6776992+4556992+4556478(Top 25%)5316(Top 36%)5316(Top 240%)
20M20.00 mi1.36 mi8391+2726766+2266766+2266208(Top 24%)4980(Top 34%)4980(Top 225%)
21M21.00 mi1.00 mi8144+2476568+1986568+1985764(Top 23%)4557(Top 31%)4557(Top 205%)
35K21.75 mi0.75 mi8031+1136478+906478+906451(Top 25%)4940(Top 34%)4940(Top 223%)
23M23.00 mi1.25 mi7718+3136239+2396239+2394932(Top 19%)3942(Top 27%)3942(Top 178%)
24M24.00 mi1.00 mi7523+1956077+1626077+1625366(Top 21%)4118(Top 28%)4118(Top 186%)
40K24.85 mi0.85 mi7419+1045980+975980+976310(Top 25%)4502(Top 31%)4502(Top 203%)
25.2M25.20 mi0.35 mi7322+975905+755905+755046(Top 20%)3767(Top 26%)3767(Top 170%)
Finish26.22 mi1.02 mi7170+1525775+1305775+1305110(Top 20%)3860(Top 26%)3860(Top 174%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10260

Males

7921

M45-49

7921

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10168

Males

7963

M45-49

7963

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10260

Males

7921

M45-49

7921

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9177

Males

7255

M45-49

7255

20K→Half

12.4 - 13.1 mi

Top 30%
×2stories
+19ft-37ft

Overall

7651

Males

6397

M45-49

6397

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7280

Males

5988

M45-49

5988

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6478

Males

5316

M45-49

5316

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6208

Males

4980

M45-49

4980

20M→21M

20.0 - 21.0 mi

Top 23%
×8stories
+106ft-24ft

Overall

5764

Males

4557

M45-49

4557

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6451

Males

4940

M45-49

4940

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

4932

Males

3942

M45-49

3942

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5366

Males

4118

M45-49

4118

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6310

Males

4502

M45-49

4502

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5046

Males

3767

M45-49

3767

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5110

Males

3860

M45-49

3860

Passing Analysis

Category:
Athletes Passed
4133*
Passed By
509
Net Change
+3624
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10794
5K10K488135+353#10794#10441
10K15K241163+78#10441#10363
15K20K41858+360#10363#10003
20KHalf148*1+147#10003#9856
Half25K52610+516#9856#9340
25K30K69316+677#9340#8663
30K20M29523+272#8663#8391
20M21M26922+247#8391#8144
21M35K12512+113#8144#8031
35K23M32512+313#8031#7718
23M24M20510+195#7718#7523
24M40K12824+104#7523#7419
40K25.2M1058+97#7419#7322
25.2MFinish16715+152#7322#7170
TOTALS4133*509+3624

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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