Liu Chunxiu

Bib: 19744F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:37
Rank: #16328
Start5K
25:37 | 8:15/mi
10K· 6.21 mi
52:28
Rank: #17182 (-854)
5K10K
26:51 | 8:39/mi
15K· 9.32 mi
1:22:02
Rank: #18710 (-1528)
10K15K
29:34 | 9:31/mi
20K· 12.43 mi
1:53:39
Rank: #19539 (-829)
15K20K
31:37 | 10:11/mi
Half· 13.11 mi
1:59:37
Rank: #19436 (+103)
20KHalf
5:58 | 8:45/mi
25K· 15.53 mi
2:24:18
Rank: #19495 (-59)
Half25K
24:41 | 10:11/mi
30K· 18.64 mi
2:58:02
Rank: #19521 (-26)
25K30K
33:44 | 10:51/mi
20M
3:12:09
Rank: #19374 (+147)
30K20M
14:07 | 10:23/mi
21M
3:25:29
Rank: #19509 (-135)
20M21M
13:20 | 13:20/mi
35K· 21.75 mi
3:32:22
Rank: #19327 (+182)
21M35K
6:53 | 9:12/mi
23M
3:44:53
Rank: #19059 (+268)
35K23M
12:31 | 10:00/mi
24M
3:55:08
Rank: #18952 (+107)
23M24M
10:15 | 10:15/mi
40K· 24.85 mi
4:02:45
Rank: #18684 (+268)
24M40K
7:37 | 8:54/mi
25.2M
4:07:36
Rank: #18748 (-64)
40K25.2M
4:51 | 14:04/mi
Finish· 26.22 mi
4:15:54
Rank: #18474 (+274)
25.2MFinish
8:18 | 8:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:37
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:16:17
Pace10:24 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:1325:378:1525:37
8:15
-
10K
6.21 mi11:47:0452:288:2726:51
8:39
+0:24
15K
9.32 mi12:16:381:22:028:4829:34
9:31
+0:52
20K
12.43 mi12:48:151:53:399:0931:37
10:11
+0:40
Half
13.11 mi12:54:131:59:379:075:58
8:45
-1:26
25K
15.53 mi13:18:542:24:189:1724:41
10:11
+1:26
30K
18.64 mi13:52:382:58:029:3333:44
10:51
+0:40
20M
20.00 mi14:06:453:12:099:3614:07
10:23
-0:28
21M
21.00 mi14:20:053:25:299:4713:20
13:20
+2:57
35K
21.75 mi14:26:583:32:229:466:53
9:12
-4:08
23M
23.00 mi14:39:293:44:539:4712:31
10:00
+0:48
24M
24.00 mi14:49:443:55:089:4810:15
10:15
+0:15
40K
24.85 mi14:57:214:02:459:467:37
8:54
-1:21
25.2M
25.20 mi15:02:124:07:369:504:51
14:04
+5:10
Finish
26.22 mi15:10:304:15:549:468:18
8:09
-5:55

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

8:09 /mi

Average Pace

9:46 /mi

Slowest Pace

14:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:14:21

29% of race

Time at Steady Pace

2:09:38

51% of race

Time at Slower Pace

51:55

20% of race

Average Pace: 9:46 /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 mi11:20:1325:378:1525:37
8:15
#16328
10K
6.21 mi11:47:0452:288:2726:51
8:39
#17182
15K
9.32 mi12:16:381:22:028:4829:34
9:31
#18710
20K
12.43 mi12:48:151:53:399:0931:37
10:11
#19539
Half
13.11 mi12:54:131:59:379:075:58
8:45
#19436
25K
15.53 mi13:18:542:24:189:1724:41
10:11
#19495
30K
18.64 mi13:52:382:58:029:3333:44
10:51
#19521
20M
20.00 mi14:06:453:12:099:3614:07
10:23
#19374
21M
21.00 mi14:20:053:25:299:4713:20
13:20
#19509
35K
21.75 mi14:26:583:32:229:466:53
9:12
#19327
23M
23.00 mi14:39:293:44:539:4712:31
10:00
#19059
24M
24.00 mi14:49:443:55:089:4810:15
10:15
#18952
40K
24.85 mi14:57:214:02:459:467:37
8:54
#18684
25.2M
25.20 mi15:02:124:07:369:504:51
14:04
#18748
Finish
26.22 mi15:10:304:15:549:468:18
8:09
#18474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi163285763576320713(Top 81%)8162(Top 75%)8162(Top 688%)
10K6.21 mi3.10 mi17182-8546260-4976260-49718091(Top 71%)6779(Top 62%)6779(Top 571%)
15K9.32 mi3.11 mi18710-15287142-8827142-88220713(Top 81%)8162(Top 75%)8162(Top 688%)
20K12.43 mi3.11 mi19539-8297583-4417583-44120967(Top 82%)8334(Top 76%)8334(Top 702%)
Half13.11 mi0.68 mi19436+1037532+517532+5117129(Top 67%)6310(Top 58%)6310(Top 532%)
25K15.53 mi2.42 mi19495-597573-417573-4119612(Top 77%)7705(Top 71%)7705(Top 649%)
30K18.64 mi3.11 mi19521-267652-797652-7919661(Top 77%)7933(Top 73%)7933(Top 668%)
20M20.00 mi1.36 mi19374+1477608+447608+4417680(Top 69%)7052(Top 65%)7052(Top 594%)
21M21.00 mi1.00 mi19509-1357693-857693-8521287(Top 83%)8933(Top 82%)8933(Top 753%)
35K21.75 mi0.75 mi19327+1827616+777616+7714305(Top 56%)5501(Top 50%)5501(Top 463%)
23M23.00 mi1.25 mi19059+2687496+1207496+12015482(Top 61%)6166(Top 56%)6166(Top 519%)
24M24.00 mi1.00 mi18952+1077457+397457+3917146(Top 67%)7033(Top 64%)7033(Top 593%)
40K24.85 mi0.85 mi18684+2687338+1197338+11910471(Top 41%)3806(Top 35%)3806(Top 321%)
25.2M25.20 mi0.35 mi18748-647383-457383-4521703(Top 85%)9320(Top 85%)9320(Top 785%)
Finish26.22 mi1.02 mi18474+2747260+1237260+1239504(Top 37%)3293(Top 30%)3293(Top 277%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

20713

Females

8162

F50-54

8162

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18091

Females

6779

F50-54

6779

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

20713

Females

8162

F50-54

8162

15K→20K

9.3 - 12.4 mi

Top 82%
×5stories
+106ft-86ft

Overall

20967

Females

8334

F50-54

8334

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17129

Females

6310

F50-54

6310

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

19612

Females

7705

F50-54

7705

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

19661

Females

7933

F50-54

7933

30K→20M

18.6 - 20.0 mi

Top 69%
×5stories
+64ft-50ft

Overall

17680

Females

7052

F50-54

7052

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

21287

Females

8933

F50-54

8933

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14305

Females

5501

F50-54

5501

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

15482

Females

6166

F50-54

6166

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17146

Females

7033

F50-54

7033

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10471

Females

3806

F50-54

3806

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

21703

Females

9320

F50-54

9320

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

9504

Females

3293

F50-54

3293

Passing Analysis

Category:
Athletes Passed
1975
Passed By
4121
Net Change
-2146
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16328
5K10K75929-854#16328#17182
10K15K201548-1528#17182#18710
15K20K70899-829#18710#19539
20KHalf1074+103#19539#19436
Half25K167226-59#19436#19495
25K30K190216-26#19495#19521
30K20M16518+147#19521#19374
20M21M45180-135#19374#19509
21M35K1820+182#19509#19327
35K23M2746+268#19327#19059
23M24M12619+107#19059#18952
24M40K2680+268#18952#18684
40K25.2M1175-64#18684#18748
25.2MFinish2751+274#18748#18474
TOTALS19754121-2146
📊

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