Johnson Liu

Bib: 27593M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:48
Rank: #21028
Start5K
28:48 | 9:16/mi
10K· 6.21 mi
56:47
Rank: #20415 (+613)
5K10K
27:59 | 9:00/mi
15K· 9.32 mi
1:26:20
Rank: #20518 (-103)
10K15K
29:33 | 9:31/mi
20K· 12.43 mi
1:57:59
Rank: #20665 (-147)
15K20K
31:39 | 10:11/mi
Half· 13.11 mi
2:04:27
Rank: #20625 (+40)
20KHalf
6:28 | 9:29/mi
25K· 15.53 mi
2:30:37
Rank: #20688 (-63)
Half25K
26:10 | 10:48/mi
30K· 18.64 mi
3:06:07
Rank: #20721 (-33)
25K30K
35:30 | 11:26/mi
20M
3:22:24
Rank: #20765 (-44)
30K20M
16:17 | 11:59/mi
21M
3:35:12
Rank: #20747 (+18)
20M21M
12:48 | 12:48/mi
35K· 21.75 mi
3:43:48
Rank: #20761 (-14)
21M35K
8:36 | 11:30/mi
23M
3:58:25
Rank: #20706 (+55)
35K23M
14:37 | 11:40/mi
24M
4:10:33
Rank: #20751 (-45)
23M24M
12:08 | 12:08/mi
40K· 24.85 mi
4:21:31
Rank: #20817 (-66)
24M40K
10:58 | 12:50/mi
25.2M
4:26:36
Rank: #20834 (-17)
40K25.2M
5:05 | 14:44/mi
Finish· 26.22 mi
4:40:27
Rank: #21083 (-249)
25.2MFinish
13:51 | 13:35/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:27
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:36:00
Pace11:54 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:3228:489:1628:48
9:16
-
10K
6.21 mi12:15:3156:479:0827:59
9:00
-0:16
15K
9.32 mi12:45:041:26:209:1629:33
9:31
+0:31
20K
12.43 mi13:16:431:57:599:3031:39
10:11
+0:40
Half
13.11 mi13:23:112:04:279:306:28
9:29
-0:42
25K
15.53 mi13:49:212:30:379:4226:10
10:48
+1:19
30K
18.64 mi14:24:513:06:079:5935:30
11:26
+0:38
20M
20.00 mi14:41:083:22:2410:0716:17
11:59
+0:33
21M
21.00 mi14:53:563:35:1210:1512:48
12:48
+0:49
35K
21.75 mi15:02:323:43:4810:178:36
11:30
-1:18
23M
23.00 mi15:17:093:58:2510:2214:37
11:40
+0:10
24M
24.00 mi15:29:174:10:3310:2612:08
12:08
+0:28
40K
24.85 mi15:40:154:21:3110:3110:58
12:50
+0:42
25.2M
25.20 mi15:45:204:26:3610:355:05
14:44
+1:54
Finish
26.22 mi15:59:114:40:2710:4213:51
13:35
-1:09

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

9:00 /mi

Average Pace

10:42 /mi

Slowest Pace

14:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:27

44% of race

Time at Steady Pace

1:53:18

40% of race

Time at Slower Pace

42:42

15% of race

Average Pace: 10:42 /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 mi11:47:3228:489:1628:48
9:16
#21028
10K
6.21 mi12:15:3156:479:0827:59
9:00
#20415
15K
9.32 mi12:45:041:26:209:1629:33
9:31
#20518
20K
12.43 mi13:16:431:57:599:3031:39
10:11
#20665
Half
13.11 mi13:23:112:04:279:306:28
9:29
#20625
25K
15.53 mi13:49:212:30:379:4226:10
10:48
#20688
30K
18.64 mi14:24:513:06:079:5935:30
11:26
#20721
20M
20.00 mi14:41:083:22:2410:0716:17
11:59
#20765
21M
21.00 mi14:53:563:35:1210:1512:48
12:48
#20747
35K
21.75 mi15:02:323:43:4810:178:36
11:30
#20761
23M
23.00 mi15:17:093:58:2510:2214:37
11:40
#20706
24M
24.00 mi15:29:174:10:3310:2612:08
12:08
#20751
40K
24.85 mi15:40:154:21:3110:3110:58
12:50
#20817
25.2M
25.20 mi15:45:204:26:3610:355:05
14:44
#20834
Finish
26.22 mi15:59:114:40:2710:4213:51
13:35
#21083
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi21028125661256620695(Top 81%)12501(Top 86%)12501(Top 646%)
10K6.21 mi3.10 mi20415+61312301+26512301+26519774(Top 77%)12019(Top 82%)12019(Top 621%)
15K9.32 mi3.11 mi20518-10312380-7912380-7920695(Top 81%)12501(Top 86%)12501(Top 646%)
20K12.43 mi3.11 mi20665-14712444-6412444-6420996(Top 82%)12598(Top 86%)12598(Top 651%)
Half13.11 mi0.68 mi20625+4012418+2612418+2620002(Top 78%)12092(Top 83%)12092(Top 625%)
25K15.53 mi2.42 mi20688-6312433-1512433-1521059(Top 82%)12518(Top 86%)12518(Top 647%)
30K18.64 mi3.11 mi20721-3312403+3012403+3020866(Top 82%)12258(Top 84%)12258(Top 633%)
20M20.00 mi1.36 mi20765-4412389+1412389+1421323(Top 83%)12361(Top 85%)12361(Top 639%)
21M21.00 mi1.00 mi20747+1812350+3912350+3920387(Top 80%)11825(Top 81%)11825(Top 611%)
35K21.75 mi0.75 mi20761-1412338+1212338+1220850(Top 82%)12059(Top 83%)12059(Top 623%)
23M23.00 mi1.25 mi20706+5512289+4912289+4920065(Top 79%)11596(Top 80%)11596(Top 599%)
24M24.00 mi1.00 mi20751-45122891228921697(Top 85%)12372(Top 85%)12372(Top 639%)
40K24.85 mi0.85 mi20817-6612301-1212301-1221970(Top 86%)12467(Top 86%)12467(Top 644%)
25.2M25.20 mi0.35 mi20834-1712313-1212313-1222679(Top 89%)12844(Top 88%)12844(Top 664%)
Finish26.22 mi1.02 mi21083-24912412-9912412-9924743(Top 97%)14010(Top 96%)14010(Top 724%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

20695

Males

12501

M50-54

12501

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

19774

Males

12019

M50-54

12019

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

20695

Males

12501

M50-54

12501

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

20996

Males

12598

M50-54

12598

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

20002

Males

12092

M50-54

12092

Half→25K

13.1 - 15.5 mi

Top 82%
×4stories
+66ft-88ft

Overall

21059

Males

12518

M50-54

12518

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

20866

Males

12258

M50-54

12258

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

21323

Males

12361

M50-54

12361

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

20387

Males

11825

M50-54

11825

21M→35K

21.0 - 21.8 mi

Top 82%
×7stories
+17ft-86ft

Overall

20850

Males

12059

M50-54

12059

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20065

Males

11596

M50-54

11596

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

21697

Males

12372

M50-54

12372

24M→40K

24.0 - 24.9 mi

Top 86%
×1story
+6ft-20ft

Overall

21970

Males

12467

M50-54

12467

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22679

Males

12844

M50-54

12844

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

24743

Males

14010

M50-54

14010

Passing Analysis

Category:
Athletes Passed
1760
Passed By
1815
Net Change
-55
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21028
5K10K67158+613#21028#20415
10K15K179282-103#20415#20518
15K20K128275-147#20518#20665
20KHalf5313+40#20665#20625
Half25K138201-63#20625#20688
25K30K169202-33#20688#20721
30K20M72116-44#20721#20765
20M21M8567+18#20765#20747
21M35K5670-14#20747#20761
35K23M9742+55#20761#20706
23M24M4388-45#20706#20751
24M40K3298-66#20751#20817
40K25.2M1835-17#20817#20834
25.2MFinish19268-249#20834#21083
TOTALS17601815-55
📊

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