Chi Fai Lee

Bib: 12965M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Masters (Masters Men)
#0 / 9891
Top 30%
Division (M50-54)
#0 / 2052
Top 26%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:14
Rank: #9420
Start5K
23:14 | 7:29/mi
10K· 6.21 mi
45:27
Rank: #8537 (+883)
5K10K
22:13 | 7:09/mi
15K· 9.32 mi
1:07:43
Rank: #8200 (+337)
10K15K
22:16 | 7:10/mi
20K· 12.43 mi
1:30:21
Rank: #8037 (+163)
15K20K
22:38 | 7:17/mi
Half· 13.11 mi
1:35:11
Rank: #7985 (+52)
20KHalf
4:50 | 7:05/mi
25K· 15.53 mi
1:52:59
Rank: #7884 (+101)
Half25K
17:48 | 7:20/mi
30K· 18.64 mi
2:16:58
Rank: #7997 (-113)
25K30K
23:59 | 7:43/mi
20M
2:27:36
Rank: #8018 (-21)
30K20M
10:38 | 7:49/mi
21M
2:36:01
Rank: #8106 (-88)
20M21M
8:25 | 8:25/mi
35K· 21.75 mi
2:41:27
Rank: #8038 (+68)
21M35K
5:26 | 7:16/mi
23M
2:51:09
Rank: #8007 (+31)
35K23M
9:42 | 7:45/mi
24M
2:58:34
Rank: #7946 (+61)
23M24M
7:25 | 7:25/mi
40K· 24.85 mi
3:04:50
Rank: #7829 (+117)
24M40K
6:16 | 7:20/mi
25.2M
3:07:44
Rank: #7847 (-18)
40K25.2M
2:54 | 8:25/mi
Finish· 26.22 mi
3:14:59
Rank: #7720 (+127)
25.2MFinish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:11
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:39:48
Pace7:37 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4023:147:2923:14
7:29
-
10K
6.21 mi11:12:5345:277:1922:13
7:09
-0:20
15K
9.32 mi11:35:091:07:437:1622:16
7:10
+0:01
20K
12.43 mi11:57:471:30:217:1622:38
7:17
+0:07
Half
13.11 mi12:02:371:35:117:164:50
7:05
-0:12
25K
15.53 mi12:20:251:52:597:1617:48
7:20
+0:15
30K
18.64 mi12:44:242:16:587:2123:59
7:43
+0:23
20M
20.00 mi12:55:022:27:367:2310:38
7:49
+0:06
21M
21.00 mi13:03:272:36:017:268:25
8:25
+0:36
35K
21.75 mi13:08:532:41:277:255:26
7:16
-1:09
23M
23.00 mi13:18:352:51:097:269:42
7:45
+0:29
24M
24.00 mi13:26:002:58:347:267:25
7:25
-0:20
40K
24.85 mi13:32:163:04:507:266:16
7:20
-0:05
25.2M
25.20 mi13:35:103:07:447:272:54
8:25
+1:05
Finish
26.22 mi13:42:253:14:597:277:15
7:07
-1:18

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

7:05 /mi

Average Pace

7:27 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:02

89% of race

Time at Steady Pace

10:38

5% of race

Time at Slower Pace

11:19

6% of race

Average Pace: 7:26 /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 mi10:50:4023:147:2923:14
7:29
#9420
10K
6.21 mi11:12:5345:277:1922:13
7:09
#8537
15K
9.32 mi11:35:091:07:437:1622:16
7:10
#8200
20K
12.43 mi11:57:471:30:217:1622:38
7:17
#8037
Half
13.11 mi12:02:371:35:117:164:50
7:05
#7985
25K
15.53 mi12:20:251:52:597:1617:48
7:20
#7884
30K
18.64 mi12:44:242:16:587:2123:59
7:43
#7997
20M
20.00 mi12:55:022:27:367:2310:38
7:49
#8018
21M
21.00 mi13:03:272:36:017:268:25
8:25
#8106
35K
21.75 mi13:08:532:41:277:255:26
7:16
#8038
23M
23.00 mi13:18:352:51:097:269:42
7:45
#8007
24M
24.00 mi13:26:002:58:347:267:25
7:25
#7946
40K
24.85 mi13:32:163:04:507:266:16
7:20
#7829
25.2M
25.20 mi13:35:103:07:447:272:54
8:25
#7847
Finish
26.22 mi13:42:253:14:597:277:15
7:07
#7720
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9420781978197572(Top 28%)6643(Top 44%)6643(Top 324%)
10K6.21 mi3.10 mi8537+8837294+5257294+5257769(Top 29%)6786(Top 45%)6786(Top 331%)
15K9.32 mi3.11 mi8200+3377081+2137081+2137572(Top 28%)6643(Top 44%)6643(Top 324%)
20K12.43 mi3.11 mi8037+1636960+1216960+1217670(Top 29%)6673(Top 44%)6673(Top 325%)
Half13.11 mi0.68 mi7985+526922+386922+387059(Top 27%)6276(Top 41%)6276(Top 306%)
25K15.53 mi2.42 mi7884+1016839+836839+837549(Top 28%)6511(Top 43%)6511(Top 317%)
30K18.64 mi3.11 mi7997-1136872-336872-338766(Top 33%)7135(Top 47%)7135(Top 348%)
20M20.00 mi1.36 mi8018-216869+36869+39024(Top 34%)7199(Top 47%)7199(Top 351%)
21M21.00 mi1.00 mi8106-886905-366905-369926(Top 37%)7555(Top 50%)7555(Top 368%)
35K21.75 mi0.75 mi8038+686849+566849+566897(Top 26%)5831(Top 38%)5831(Top 284%)
23M23.00 mi1.25 mi8007+316806+436806+438019(Top 30%)6418(Top 42%)6418(Top 313%)
24M24.00 mi1.00 mi7946+616748+586748+587153(Top 27%)5803(Top 38%)5803(Top 283%)
40K24.85 mi0.85 mi7829+1176660+886660+885652(Top 21%)4799(Top 32%)4799(Top 234%)
25.2M25.20 mi0.35 mi7847-186664-46664-48886(Top 33%)6659(Top 44%)6659(Top 325%)
Finish26.22 mi1.02 mi7720+1276560+1046560+1045901(Top 22%)4867(Top 32%)4867(Top 237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×21stories
+97ft-345ft

Overall

7572

Males

6643

M50-54

6643

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

7769

Males

6786

M50-54

6786

10K→15K

6.2 - 9.3 mi

Top 28%
×3stories
+67ft-78ft

Overall

7572

Males

6643

M50-54

6643

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7670

Males

6673

M50-54

6673

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7059

Males

6276

M50-54

6276

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7549

Males

6511

M50-54

6511

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8766

Males

7135

M50-54

7135

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9024

Males

7199

M50-54

7199

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

9926

Males

7555

M50-54

7555

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6897

Males

5831

M50-54

5831

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8019

Males

6418

M50-54

6418

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7153

Males

5803

M50-54

5803

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5652

Males

4799

M50-54

4799

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8886

Males

6659

M50-54

6659

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5901

Males

4867

M50-54

4867

Passing Analysis

Category:
Athletes Passed
2455
Passed By
755
Net Change
+1700
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9420
5K10K91633+883#9420#8537
10K15K36730+337#8537#8200
15K20K20744+163#8200#8037
20KHalf542+52#8037#7985
Half25K14746+101#7985#7884
25K30K87200-113#7884#7997
30K20M79100-21#7997#8018
20M21M41129-88#8018#8106
21M35K8113+68#8106#8038
35K23M10069+31#8038#8007
23M24M9332+61#8007#7946
24M40K1214+117#7946#7829
40K25.2M1937-18#7829#7847
25.2MFinish14316+127#7847#7720
TOTALS2455755+1700
📊

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