Bo-Kuai Lai

Bib: 13305M

OH

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 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:26
Rank: #9995
Start5K
7:33/mi
23:26 split
10K· 6.21 mi
46:14
Rank: #9495 (+500)
5K10K
7:20/mi
22:48 split
15K· 9.32 mi
1:08:56
Rank: #9147 (+348)
10K15K
7:18/mi
22:42 split
20K· 12.43 mi
1:31:50
Rank: #8914 (+233)
15K20K
7:22/mi
22:54 split
Half· 13.11 mi
1:36:54
Rank: #8939 (-25)
20KHalf
7:26/mi
5:04 split
25K· 15.53 mi
1:55:09
Rank: #8915 (+24)
Half25K
7:32/mi
18:15 split
30K· 18.64 mi
2:18:41
Rank: #8673 (+242)
25K30K
7:34/mi
23:32 split
20M
2:29:03
Rank: #8575 (+98)
30K20M
7:38/mi
10:22 split
21M
2:37:05
Rank: #8506 (+69)
20M21M
8:02/mi
8:02 split
35K· 21.75 mi
2:42:41
Rank: #8480 (+26)
21M35K
7:29/mi
5:36 split
23M
2:51:54
Rank: #8259 (+221)
35K23M
7:22/mi
9:13 split
24M
2:59:04
Rank: #8094 (+165)
23M24M
7:10/mi
7:10 split
40K· 24.85 mi
3:05:10
Rank: #7919 (+175)
24M40K
7:08/mi
6:06 split
25.2M
3:07:46
Rank: #7852 (+67)
40K25.2M
7:32/mi
2:36 split
Finish· 26.22 mi
3:14:51
Rank: #7695 (+157)
25.2MFinish
6:57/mi
7:05 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:54
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time1:37:57
Pace7:28 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:1223:267:3323:26
7:33
-
10K
6.21 mi11:14:0046:147:2622:48
7:20
-0:13
15K
9.32 mi11:36:421:08:567:2422:42
7:18
-0:02
20K
12.43 mi11:59:361:31:507:2322:54
7:22
+0:04
Half
13.11 mi12:04:401:36:547:235:04
7:26
+0:04
25K
15.53 mi12:22:551:55:097:2518:15
7:32
+0:06
30K
18.64 mi12:46:272:18:417:2623:32
7:34
+0:02
20M
20.00 mi12:56:492:29:037:2710:22
7:38
+0:04
21M
21.00 mi13:04:512:37:057:298:02
8:02
+0:24
35K
21.75 mi13:10:272:42:417:295:36
7:29
-0:33
23M
23.00 mi13:19:402:51:547:289:13
7:22
-0:07
24M
24.00 mi13:26:502:59:047:287:10
7:10
-0:12
40K
24.85 mi13:32:563:05:107:276:06
7:08
-0:02
25.2M
25.20 mi13:35:323:07:467:272:36
7:32
+0:24
Finish
26.22 mi13:42:373:14:517:267:05
6:57
-0:35

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

6:57 /mi

Average Pace

7:26 /mi

Slowest Pace

8:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:49

96% of race

Time at Steady Pace

8:02

4% of race

Time at Slower Pace

0:00

0% 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 mi10:51:1223:267:3323:26
7:33
#9995
10K
6.21 mi11:14:0046:147:2622:48
7:20
#9495
15K
9.32 mi11:36:421:08:567:2422:42
7:18
#9147
20K
12.43 mi11:59:361:31:507:2322:54
7:22
#8914
Half
13.11 mi12:04:401:36:547:235:04
7:26
#8939
25K
15.53 mi12:22:551:55:097:2518:15
7:32
#8915
30K
18.64 mi12:46:272:18:417:2623:32
7:34
#8673
20M
20.00 mi12:56:492:29:037:2710:22
7:38
#8575
21M
21.00 mi13:04:512:37:057:298:02
8:02
#8506
35K
21.75 mi13:10:272:42:417:295:36
7:29
#8480
23M
23.00 mi13:19:402:51:547:289:13
7:22
#8259
24M
24.00 mi13:26:502:59:047:287:10
7:10
#8094
40K
24.85 mi13:32:563:05:107:276:06
7:08
#7919
25.2M
25.20 mi13:35:323:07:467:272:36
7:32
#7852
Finish
26.22 mi13:42:373:14:517:267:05
6:57
#7695
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9995812081208583(Top 32%)7292(Top 48%)7292(Top 355%)
10K6.21 mi3.10 mi9495+5007873+2477873+2479135(Top 34%)7649(Top 50%)7649(Top 373%)
15K9.32 mi3.11 mi9147+3487656+2177656+2178583(Top 32%)7292(Top 48%)7292(Top 355%)
20K12.43 mi3.11 mi8914+2337499+1577499+1578285(Top 31%)7063(Top 47%)7063(Top 344%)
Half13.11 mi0.68 mi8939-257509-107509-109536(Top 36%)7817(Top 52%)7817(Top 381%)
25K15.53 mi2.42 mi8915+247487+227487+228948(Top 34%)7395(Top 49%)7395(Top 360%)
30K18.64 mi3.11 mi8673+2427297+1907297+1907745(Top 29%)6537(Top 43%)6537(Top 319%)
20M20.00 mi1.36 mi8575+987218+797218+797666(Top 29%)6382(Top 42%)6382(Top 311%)
21M21.00 mi1.00 mi8506+697156+627156+627536(Top 28%)6204(Top 41%)6204(Top 302%)
35K21.75 mi0.75 mi8480+267129+277129+278404(Top 32%)6735(Top 44%)6735(Top 328%)
23M23.00 mi1.25 mi8259+2216970+1596970+1595651(Top 21%)4953(Top 33%)4953(Top 241%)
24M24.00 mi1.00 mi8094+1656846+1246846+1245566(Top 21%)4828(Top 32%)4828(Top 235%)
40K24.85 mi0.85 mi7919+1756716+1306716+1304560(Top 17%)4042(Top 27%)4042(Top 197%)
25.2M25.20 mi0.35 mi7852+676669+476669+474121(Top 15%)3663(Top 24%)3663(Top 179%)
Finish26.22 mi1.02 mi7695+1576548+1216548+1214932(Top 19%)4229(Top 28%)4229(Top 206%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8583

Males

7292

M50-54

7292

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9135

Males

7649

M50-54

7649

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8583

Males

7292

M50-54

7292

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8285

Males

7063

M50-54

7063

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9536

Males

7817

M50-54

7817

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8948

Males

7395

M50-54

7395

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

7745

Males

6537

M50-54

6537

30K→20M

18.6 - 20.0 mi

Top 29%
×5story building
+64ft-50ft

Overall

7666

Males

6382

M50-54

6382

20M→21M

20.0 - 21.0 mi

Top 28%
×8story building
+106ft-24ft

Overall

7536

Males

6204

M50-54

6204

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8404

Males

6735

M50-54

6735

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5651

Males

4953

M50-54

4953

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5566

Males

4828

M50-54

4828

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4560

Males

4042

M50-54

4042

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4121

Males

3663

M50-54

3663

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

4932

Males

4229

M50-54

4229

Passing Analysis

Category:
Athletes Passed
2774
Passed By
474
Net Change
+2300
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9995
5K10K615115+500#9995#9495
10K15K37729+348#9495#9147
15K20K26633+233#9147#8914
20KHalf2247-25#8914#8939
Half25K10480+24#8939#8915
25K30K29553+242#8915#8673
30K20M12830+98#8673#8575
20M21M10738+69#8575#8506
21M35K5226+26#8506#8480
35K23M2287+221#8480#8259
23M24M1683+165#8259#8094
24M40K1772+175#8094#7919
40K25.2M692+67#7919#7852
25.2MFinish1669+157#7852#7695
TOTALS2774474+2300
📊

Passing Visuals

Category:
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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