Yuchun Lu

Bib: 20677F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F55-59)
#0 / 876
Top 44%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:15
Rank: #17510
Start5K
26:15 | 8:27/mi
10K· 6.21 mi
52:34
Rank: #17285 (+225)
5K10K
26:19 | 8:28/mi
15K· 9.32 mi
1:19:08
Rank: #17028 (+257)
10K15K
26:34 | 8:33/mi
20K· 12.43 mi
1:47:30
Rank: #17232 (-204)
15K20K
28:22 | 9:08/mi
Half· 13.11 mi
1:53:51
Rank: #17359 (-127)
20KHalf
6:21 | 9:18/mi
25K· 15.53 mi
2:17:37
Rank: #17631 (-272)
Half25K
23:46 | 9:48/mi
30K· 18.64 mi
2:50:40
Rank: #18070 (-439)
25K30K
33:03 | 10:38/mi
20M
3:05:29
Rank: #18201 (-131)
30K20M
14:49 | 10:54/mi
21M
3:16:11
Rank: #18024 (+177)
20M21M
10:42 | 10:42/mi
35K· 21.75 mi
3:23:18
Rank: #17918 (+106)
21M35K
7:07 | 9:31/mi
23M
3:36:14
Rank: #17796 (+122)
35K23M
12:56 | 10:20/mi
24M
3:45:50
Rank: #17670 (+126)
23M24M
9:36 | 9:36/mi
40K· 24.85 mi
3:54:33
Rank: #17587 (+83)
24M40K
8:43 | 10:12/mi
25.2M
3:58:58
Rank: #17605 (-18)
40K25.2M
4:25 | 12:48/mi
Finish· 26.22 mi
4:10:14
Rank: #17743 (-138)
25.2MFinish
11:16 | 11:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:51
Pace8:41 /mi
2nd Half
Distance13.11 mi
Time2:16:23
Pace10:24 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:5026:158:2726:15
8:27
-
10K
6.21 mi11:48:0952:348:2826:19
8:28
+0:01
15K
9.32 mi12:14:431:19:088:2926:34
8:33
+0:05
20K
12.43 mi12:43:051:47:308:3928:22
9:08
+0:35
Half
13.11 mi12:49:261:53:518:416:21
9:18
+0:10
25K
15.53 mi13:13:122:17:378:5223:46
9:48
+0:30
30K
18.64 mi13:46:152:50:409:0933:03
10:38
+0:50
20M
20.00 mi14:01:043:05:299:1614:49
10:54
+0:16
21M
21.00 mi14:11:463:16:119:2110:42
10:42
-0:12
35K
21.75 mi14:18:533:23:189:217:07
9:31
-1:11
23M
23.00 mi14:31:493:36:149:2412:56
10:20
+0:49
24M
24.00 mi14:41:253:45:509:259:36
9:36
-0:44
40K
24.85 mi14:50:083:54:339:268:43
10:12
+0:36
25.2M
25.20 mi14:54:333:58:589:294:25
12:48
+2:36
Finish
26.22 mi15:05:494:10:149:3311:16
11:03
-1:45

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

8:27 /mi

Average Pace

9:33 /mi

Slowest Pace

12:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:30

43% of race

Time at Steady Pace

1:08:29

27% of race

Time at Slower Pace

1:14:15

30% of race

Average Pace: 9:33 /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 mi11:21:5026:158:2726:15
8:27
#17510
10K
6.21 mi11:48:0952:348:2826:19
8:28
#17285
15K
9.32 mi12:14:431:19:088:2926:34
8:33
#17028
20K
12.43 mi12:43:051:47:308:3928:22
9:08
#17232
Half
13.11 mi12:49:261:53:518:416:21
9:18
#17359
25K
15.53 mi13:13:122:17:378:5223:46
9:48
#17631
30K
18.64 mi13:46:152:50:409:0933:03
10:38
#18070
20M
20.00 mi14:01:043:05:299:1614:49
10:54
#18201
21M
21.00 mi14:11:463:16:119:2110:42
10:42
#18024
35K
21.75 mi14:18:533:23:189:217:07
9:31
#17918
23M
23.00 mi14:31:493:36:149:2412:56
10:20
#17796
24M
24.00 mi14:41:253:45:509:259:36
9:36
#17670
40K
24.85 mi14:50:083:54:339:268:43
10:12
#17587
25.2M
25.20 mi14:54:333:58:589:294:25
12:48
#17605
Finish
26.22 mi15:05:494:10:149:3311:16
11:03
#17743
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi175106478647816689(Top 65%)5966(Top 55%)5966(Top 681%)
10K6.21 mi3.10 mi17285+2256322+1566322+15617097(Top 67%)6186(Top 57%)6186(Top 706%)
15K9.32 mi3.11 mi17028+2576162+1606162+16016689(Top 65%)5966(Top 55%)5966(Top 681%)
20K12.43 mi3.11 mi17232-2046313-1516313-15117907(Top 70%)6657(Top 61%)6657(Top 760%)
Half13.11 mi0.68 mi17359-1276390-776390-7719442(Top 76%)7568(Top 69%)7568(Top 864%)
25K15.53 mi2.42 mi17631-2726563-1736563-17318551(Top 73%)7130(Top 65%)7130(Top 814%)
30K18.64 mi3.11 mi18070-4396873-3106873-31019117(Top 75%)7635(Top 70%)7635(Top 872%)
20M20.00 mi1.36 mi18201-1316972-996972-9919048(Top 75%)7734(Top 71%)7734(Top 883%)
21M21.00 mi1.00 mi18024+1776895+776895+7715478(Top 61%)6059(Top 55%)6059(Top 692%)
35K21.75 mi0.75 mi17918+1066867+286867+2815570(Top 61%)6133(Top 56%)6133(Top 700%)
23M23.00 mi1.25 mi17796+1226823+446823+4416524(Top 65%)6667(Top 61%)6667(Top 761%)
24M24.00 mi1.00 mi17670+1266773+506773+5014909(Top 58%)5907(Top 54%)5907(Top 674%)
40K24.85 mi0.85 mi17587+836756+176756+1715716(Top 62%)6366(Top 58%)6366(Top 727%)
25.2M25.20 mi0.35 mi17605-186780-246780-2419259(Top 75%)8141(Top 75%)8141(Top 929%)
Finish26.22 mi1.02 mi17743-1386877-976877-9721475(Top 84%)9199(Top 84%)9199(Top 1050%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

16689

Females

5966

F55-59

5966

5K→10K

3.1 - 6.2 mi

Top 67%
×5stories
+79ft-138ft

Overall

17097

Females

6186

F55-59

6186

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

16689

Females

5966

F55-59

5966

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

17907

Females

6657

F55-59

6657

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

19442

Females

7568

F55-59

7568

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

18551

Females

7130

F55-59

7130

25K→30K

15.5 - 18.6 mi

Top 75%
×9stories
+181ft-148ft

Overall

19117

Females

7635

F55-59

7635

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19048

Females

7734

F55-59

7734

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

15478

Females

6059

F55-59

6059

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

15570

Females

6133

F55-59

6133

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

16524

Females

6667

F55-59

6667

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

14909

Females

5907

F55-59

5907

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

15716

Females

6366

F55-59

6366

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19259

Females

8141

F55-59

8141

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

21475

Females

9199

F55-59

9199

Passing Analysis

Category:
Athletes Passed
2083
Passed By
2316
Net Change
-233
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17510
5K10K396171+225#17510#17285
10K15K380123+257#17285#17028
15K20K199403-204#17028#17232
20KHalf14141-127#17232#17359
Half25K122394-272#17359#17631
25K30K131570-439#17631#18070
30K20M59190-131#18070#18201
20M21M19720+177#18201#18024
21M35K12620+106#18024#17918
35K23M16038+122#17918#17796
23M24M13610+126#17796#17670
24M40K9916+83#17670#17587
40K25.2M2846-18#17587#17605
25.2MFinish36174-138#17605#17743
TOTALS20832316-233
📊

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