Qiang Liu

Bib: 18664M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:32
Rank: #20126
Start5K
26:32 | 8:32/mi
10K· 6.21 mi
52:59
Rank: #19991 (+135)
5K10K
26:27 | 8:31/mi
15K· 9.32 mi
1:19:27
Rank: #19823 (+168)
10K15K
26:28 | 8:31/mi
20K· 12.43 mi
1:47:33
Rank: #20151 (-328)
15K20K
28:06 | 9:03/mi
Half· 13.11 mi
1:55:24
Rank: #20938 (-787)
20KHalf
7:51 | 11:30/mi
25K· 15.53 mi
2:18:23
Rank: #21148 (-210)
Half25K
22:59 | 9:29/mi
30K· 18.64 mi
2:47:37
Rank: #20831 (+317)
25K30K
29:14 | 9:25/mi
20M
3:00:23
Rank: #20640 (+191)
30K20M
12:46 | 9:24/mi
21M
3:11:55
Rank: #20824 (-184)
20M21M
11:32 | 11:32/mi
35K· 21.75 mi
3:19:54
Rank: #20992 (-168)
21M35K
7:59 | 10:40/mi
23M
3:31:29
Rank: #20804 (+188)
35K23M
11:35 | 9:15/mi
24M
3:40:58
Rank: #20762 (+42)
23M24M
9:29 | 9:29/mi
40K· 24.85 mi
3:49:13
Rank: #20708 (+54)
24M40K
8:15 | 9:39/mi
25.2M
3:52:46
Rank: #20673 (+35)
40K25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
4:02:40
Rank: #20734 (-61)
25.2MFinish
9:54 | 9:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:24
Pace8:48 /mi
2nd Half
Distance13.11 mi
Time2:07:16
Pace9:42 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0926:328:3226:32
8:32
-
10K
6.21 mi11:44:3652:598:3226:27
8:31
-0:01
15K
9.32 mi12:11:041:19:278:3126:28
8:31
0:00
20K
12.43 mi12:39:101:47:338:3928:06
9:03
+0:32
Half
13.11 mi12:47:011:55:248:487:51
11:30
+2:27
25K
15.53 mi13:10:002:18:238:5422:59
9:29
-2:01
30K
18.64 mi13:39:142:47:379:0029:14
9:25
-0:04
20M
20.00 mi13:52:003:00:239:0112:46
9:24
-0:01
21M
21.00 mi14:03:323:11:559:0811:32
11:32
+2:08
35K
21.75 mi14:11:313:19:549:117:59
10:40
-0:52
23M
23.00 mi14:23:063:31:299:1211:35
9:15
-1:25
24M
24.00 mi14:32:353:40:589:129:29
9:29
+0:14
40K
24.85 mi14:40:503:49:139:138:15
9:39
+0:10
25.2M
25.20 mi14:44:233:52:469:143:33
10:18
+0:39
Finish
26.22 mi14:54:174:02:409:169:54
9:43
-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

8:31 /mi

Average Pace

9:16 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:27

33% of race

Time at Steady Pace

2:12:18

55% of race

Time at Slower Pace

30:55

13% of race

Average Pace: 9:15 /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 mi11:18:0926:328:3226:32
8:32
#20126
10K
6.21 mi11:44:3652:598:3226:27
8:31
#19991
15K
9.32 mi12:11:041:19:278:3126:28
8:31
#19823
20K
12.43 mi12:39:101:47:338:3928:06
9:03
#20151
Half
13.11 mi12:47:011:55:248:487:51
11:30
#20938
25K
15.53 mi13:10:002:18:238:5422:59
9:29
#21148
30K
18.64 mi13:39:142:47:379:0029:14
9:25
#20831
20M
20.00 mi13:52:003:00:239:0112:46
9:24
#20640
21M
21.00 mi14:03:323:11:559:0811:32
11:32
#20824
35K
21.75 mi14:11:313:19:549:117:59
10:40
#20992
23M
23.00 mi14:23:063:31:299:1211:35
9:15
#20804
24M
24.00 mi14:32:353:40:589:129:29
9:29
#20762
40K
24.85 mi14:40:503:49:139:138:15
9:39
#20708
25.2M
25.20 mi14:44:233:52:469:143:33
10:18
#20673
Finish
26.22 mi14:54:174:02:409:169:54
9:43
#20734
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi20126124951249519437(Top 68%)12248(Top 76%)12248(Top 743%)
10K6.21 mi3.10 mi19991+13512469+2612469+2619876(Top 70%)12423(Top 77%)12423(Top 754%)
15K9.32 mi3.11 mi19823+16812408+6112408+6119437(Top 68%)12248(Top 76%)12248(Top 743%)
20K12.43 mi3.11 mi20151-32812536-12812536-12821188(Top 75%)12976(Top 81%)12976(Top 787%)
Half13.11 mi0.68 mi20938-78712883-34712883-34727058(Top 95%)15533(Top 96%)15533(Top 943%)
25K15.53 mi2.42 mi21148-21012966-8312966-8321778(Top 77%)13184(Top 82%)13184(Top 800%)
30K18.64 mi3.11 mi20831+31712770+19612770+19619567(Top 69%)12089(Top 75%)12089(Top 734%)
20M20.00 mi1.36 mi20640+19112672+9812672+9818720(Top 66%)11558(Top 72%)11558(Top 701%)
21M21.00 mi1.00 mi20824-18412747-7512747-7522661(Top 80%)13272(Top 82%)13272(Top 805%)
35K21.75 mi0.75 mi20992-16812806-5912806-5923507(Top 83%)13635(Top 85%)13635(Top 827%)
23M23.00 mi1.25 mi20804+18812694+11212694+11217560(Top 62%)10759(Top 67%)10759(Top 653%)
24M24.00 mi1.00 mi20762+4212661+3312661+3319576(Top 69%)11661(Top 72%)11661(Top 708%)
40K24.85 mi0.85 mi20708+5412621+4012621+4019269(Top 68%)11455(Top 71%)11455(Top 695%)
25.2M25.20 mi0.35 mi20673+3512600+2112600+2118261(Top 64%)10954(Top 68%)10954(Top 665%)
Finish26.22 mi1.02 mi20734-61126001260021959(Top 77%)12764(Top 79%)12764(Top 775%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

19437

Males

12248

M55-59

12248

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

19876

Males

12423

M55-59

12423

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

19437

Males

12248

M55-59

12248

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

21188

Males

12976

M55-59

12976

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

27058

Males

15533

M55-59

15533

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

21778

Males

13184

M55-59

13184

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

19567

Males

12089

M55-59

12089

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

18720

Males

11558

M55-59

11558

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22661

Males

13272

M55-59

13272

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

23507

Males

13635

M55-59

13635

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

17560

Males

10759

M55-59

10759

23M→24M

23.0 - 24.0 mi

Top 69%
×6stories
+12ft-82ft

Overall

19576

Males

11661

M55-59

11661

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19269

Males

11455

M55-59

11455

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18261

Males

10954

M55-59

10954

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21959

Males

12764

M55-59

12764

Passing Analysis

Category:
Athletes Passed
1889
Passed By
2497
Net Change
-608
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20126
5K10K349214+135#20126#19991
10K15K286118+168#19991#19823
15K20K89417-328#19823#20151
20KHalf0787-787#20151#20938
Half25K86296-210#20938#21148
25K30K37962+317#21148#20831
30K20M20716+191#20831#20640
20M21M44228-184#20640#20824
21M35K24192-168#20824#20992
35K23M19911+188#20992#20804
23M24M8038+42#20804#20762
24M40K7824+54#20762#20708
40K25.2M405+35#20708#20673
25.2MFinish2889-61#20673#20734
TOTALS18892497-608
📊

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