David Ly

Bib: 15630M

NJ

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:02
Rank: #11770
Start5K
24:02 | 7:44/mi
10K· 6.21 mi
47:54
Rank: #11894 (-124)
5K10K
23:52 | 7:41/mi
15K· 9.32 mi
1:11:46
Rank: #11776 (+118)
10K15K
23:52 | 7:41/mi
20K· 12.43 mi
1:36:36
Rank: #12147 (-371)
15K20K
24:50 | 8:00/mi
Half· 13.11 mi
1:42:06
Rank: #12310 (-163)
20KHalf
5:30 | 8:04/mi
25K· 15.53 mi
2:02:41
Rank: #13020 (-710)
Half25K
20:35 | 8:29/mi
30K· 18.64 mi
2:32:24
Rank: #14628 (-1608)
25K30K
29:43 | 9:34/mi
20M
2:46:09
Rank: #15285 (-657)
30K20M
13:45 | 10:07/mi
21M
2:57:34
Rank: #15908 (-623)
20M21M
11:25 | 11:25/mi
35K· 21.75 mi
3:04:39
Rank: #16073 (-165)
21M35K
7:05 | 9:28/mi
23M
3:17:29
Rank: #16501 (-428)
35K23M
12:50 | 10:15/mi
24M
3:27:32
Rank: #16800 (-299)
23M24M
10:03 | 10:03/mi
40K· 24.85 mi
3:36:38
Rank: #17089 (-289)
24M40K
9:06 | 10:39/mi
25.2M
3:40:48
Rank: #17279 (-190)
40K25.2M
4:10 | 12:05/mi
Finish· 26.22 mi
3:52:01
Rank: #17776 (-497)
25.2MFinish
11:13 | 11:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:06
Pace7:47 /mi
2nd Half
Distance13.11 mi
Time2:09:55
Pace9:55 /mi
📊Positive Split: 27.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:4324:027:4424:02
7:44
-
10K
6.21 mi11:17:3547:547:4323:52
7:41
-0:03
15K
9.32 mi11:41:271:11:467:4223:52
7:41
0:00
20K
12.43 mi12:06:171:36:367:4624:50
8:00
+0:19
Half
13.11 mi12:11:471:42:067:475:30
8:04
+0:04
25K
15.53 mi12:32:222:02:417:5420:35
8:29
+0:25
30K
18.64 mi13:02:052:32:248:1129:43
9:34
+1:05
20M
20.00 mi13:15:502:46:098:1813:45
10:07
+0:33
21M
21.00 mi13:27:152:57:348:2711:25
11:25
+1:18
35K
21.75 mi13:34:203:04:398:297:05
9:28
-1:57
23M
23.00 mi13:47:103:17:298:3512:50
10:15
+0:47
24M
24.00 mi13:57:133:27:328:3910:03
10:03
-0:12
40K
24.85 mi14:06:193:36:388:439:06
10:39
+0:36
25.2M
25.20 mi14:10:293:40:488:464:10
12:05
+1:26
Finish
26.22 mi14:21:423:52:018:5111:13
11:00
-1:05

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

7:41 /mi

Average Pace

8:51 /mi

Slowest Pace

12:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:41

53% of race

Time at Steady Pace

1:13:26

32% of race

Time at Slower Pace

35:54

15% of race

Average Pace: 8:51 /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 mi10:53:4324:027:4424:02
7:44
#11770
10K
6.21 mi11:17:3547:547:4323:52
7:41
#11894
15K
9.32 mi11:41:271:11:467:4223:52
7:41
#11776
20K
12.43 mi12:06:171:36:367:4624:50
8:00
#12147
Half
13.11 mi12:11:471:42:067:475:30
8:04
#12310
25K
15.53 mi12:32:222:02:417:5420:35
8:29
#13020
30K
18.64 mi13:02:052:32:248:1129:43
9:34
#14628
20M
20.00 mi13:15:502:46:098:1813:45
10:07
#15285
21M
21.00 mi13:27:152:57:348:2711:25
11:25
#15908
35K
21.75 mi13:34:203:04:398:297:05
9:28
#16073
23M
23.00 mi13:47:103:17:298:3512:50
10:15
#16501
24M
24.00 mi13:57:133:27:328:3910:03
10:03
#16800
40K
24.85 mi14:06:193:36:388:439:06
10:39
#17089
25.2M
25.20 mi14:10:293:40:488:464:10
12:05
#17279
Finish
26.22 mi14:21:423:52:018:5111:13
11:00
#17776
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi117709026902611697(Top 44%)8956(Top 59%)8956(Top 436%)
10K6.21 mi3.10 mi11894-1249067-419067-4112068(Top 45%)9147(Top 60%)9147(Top 446%)
15K9.32 mi3.11 mi11776+1188989+788989+7811697(Top 44%)8956(Top 59%)8956(Top 436%)
20K12.43 mi3.11 mi12147-3719123-1349123-13413360(Top 50%)9611(Top 63%)9611(Top 468%)
Half13.11 mi0.68 mi12310-1639193-709193-7014835(Top 56%)10252(Top 68%)10252(Top 500%)
25K15.53 mi2.42 mi13020-7109493-3009493-30016125(Top 61%)10594(Top 70%)10594(Top 516%)
30K18.64 mi3.11 mi14628-160810097-60410097-60419669(Top 74%)12074(Top 80%)12074(Top 588%)
20M20.00 mi1.36 mi15285-65710305-20810305-20820775(Top 78%)12463(Top 82%)12463(Top 607%)
21M21.00 mi1.00 mi15908-62310530-22510530-22521707(Top 82%)12848(Top 85%)12848(Top 626%)
35K21.75 mi0.75 mi16073-16510572-4210572-4219726(Top 74%)11932(Top 79%)11932(Top 581%)
23M23.00 mi1.25 mi16501-42810750-17810750-17820697(Top 78%)12326(Top 81%)12326(Top 601%)
24M24.00 mi1.00 mi16800-29910853-10310853-10320910(Top 79%)12393(Top 82%)12393(Top 604%)
40K24.85 mi0.85 mi17089-28910958-10510958-10521551(Top 81%)12614(Top 83%)12614(Top 615%)
25.2M25.20 mi0.35 mi17279-19011033-7511033-7522613(Top 85%)13126(Top 86%)13126(Top 640%)
Finish26.22 mi1.02 mi17776-49711237-20411237-20423969(Top 90%)13796(Top 91%)13796(Top 672%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11697

Males

8956

M50-54

8956

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12068

Males

9147

M50-54

9147

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11697

Males

8956

M50-54

8956

15K→20K

9.3 - 12.4 mi

Top 50%
×5stories
+106ft-86ft

Overall

13360

Males

9611

M50-54

9611

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14835

Males

10252

M50-54

10252

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

16125

Males

10594

M50-54

10594

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

19669

Males

12074

M50-54

12074

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

20775

Males

12463

M50-54

12463

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21707

Males

12848

M50-54

12848

21M→35K

21.0 - 21.8 mi

Top 74%
×7stories
+17ft-86ft

Overall

19726

Males

11932

M50-54

11932

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

20697

Males

12326

M50-54

12326

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

20910

Males

12393

M50-54

12393

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21551

Males

12614

M50-54

12614

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22613

Males

13126

M50-54

13126

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2stories
+22ft-21ft

Overall

23969

Males

13796

M50-54

13796

Passing Analysis

Category:
Athletes Passed
689
Passed By
6695
Net Change
-6006
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11770
5K10K242366-124#11770#11894
10K15K249131+118#11894#11776
15K20K74445-371#11776#12147
20KHalf1164-163#12147#12310
Half25K24734-710#12310#13020
25K30K141622-1608#13020#14628
30K20M9666-657#14628#15285
20M21M8631-623#15285#15908
21M35K24189-165#15908#16073
35K23M13441-428#16073#16501
23M24M14313-299#16501#16800
24M40K11300-289#16800#17089
40K25.2M3193-190#17089#17279
25.2MFinish3500-497#17279#17776
TOTALS6896695-6006
📊

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