Juan Du

Bib: 17461F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 46%
Division (F50-54)
#0 / 1187
Top 42%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:36
Rank: #16284
Start5K
25:36 | 8:14/mi
10K· 6.21 mi
51:38
Rank: #16412 (-128)
5K10K
26:02 | 8:23/mi
15K· 9.32 mi
1:19:08
Rank: #17027 (-615)
10K15K
27:30 | 8:51/mi
20K· 12.43 mi
1:47:39
Rank: #17292 (-265)
15K20K
28:31 | 9:11/mi
Half· 13.11 mi
1:53:35
Rank: #17240 (+52)
20KHalf
5:56 | 8:42/mi
25K· 15.53 mi
2:16:33
Rank: #17324 (-84)
Half25K
22:58 | 9:28/mi
30K· 18.64 mi
2:45:24
Rank: #16747 (+577)
25K30K
28:51 | 9:17/mi
20M
2:59:08
Rank: #16794 (-47)
30K20M
13:44 | 10:06/mi
21M
3:09:53
Rank: #16739 (+55)
20M21M
10:45 | 10:45/mi
35K· 21.75 mi
3:16:23
Rank: #16570 (+169)
21M35K
6:30 | 8:41/mi
23M
3:27:53
Rank: #16288 (+282)
35K23M
11:30 | 9:11/mi
24M
3:37:00
Rank: #16113 (+175)
23M24M
9:07 | 9:07/mi
40K· 24.85 mi
3:45:04
Rank: #15961 (+152)
24M40K
8:04 | 9:26/mi
25.2M
3:49:10
Rank: #15995 (-34)
40K25.2M
4:06 | 11:53/mi
Finish· 26.22 mi
3:58:12
Rank: #15885 (+110)
25.2MFinish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:35
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time2:04:37
Pace9:30 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1625:368:1425:36
8:14
-
10K
6.21 mi11:43:1851:388:1926:02
8:23
+0:09
15K
9.32 mi12:10:481:19:088:2927:30
8:51
+0:28
20K
12.43 mi12:39:191:47:398:4028:31
9:11
+0:20
Half
13.11 mi12:45:151:53:358:405:56
8:42
-0:29
25K
15.53 mi13:08:132:16:338:4722:58
9:28
+0:46
30K
18.64 mi13:37:042:45:248:5228:51
9:17
-0:11
20M
20.00 mi13:50:482:59:088:5713:44
10:06
+0:49
21M
21.00 mi14:01:333:09:539:0310:45
10:45
+0:39
35K
21.75 mi14:08:033:16:239:026:30
8:41
-2:04
23M
23.00 mi14:19:333:27:539:0211:30
9:11
+0:30
24M
24.00 mi14:28:403:37:009:039:07
9:07
-0:04
40K
24.85 mi14:36:443:45:049:038:04
9:26
+0:19
25.2M
25.20 mi14:40:503:49:109:064:06
11:53
+2:27
Finish
26.22 mi14:49:523:58:129:059:02
8:52
-3:01

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

8:14 /mi

Average Pace

9:05 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:04:04

27% of race

Time at Steady Pace

2:25:33

61% of race

Time at Slower Pace

28:35

12% of race

Average Pace: 9:05 /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 mi11:17:1625:368:1425:36
8:14
#16284
10K
6.21 mi11:43:1851:388:1926:02
8:23
#16412
15K
9.32 mi12:10:481:19:088:2927:30
8:51
#17027
20K
12.43 mi12:39:191:47:398:4028:31
9:11
#17292
Half
13.11 mi12:45:151:53:358:405:56
8:42
#17240
25K
15.53 mi13:08:132:16:338:4722:58
9:28
#17324
30K
18.64 mi13:37:042:45:248:5228:51
9:17
#16747
20M
20.00 mi13:50:482:59:088:5713:44
10:06
#16794
21M
21.00 mi14:01:333:09:539:0310:45
10:45
#16739
35K
21.75 mi14:08:033:16:239:026:30
8:41
#16570
23M
23.00 mi14:19:333:27:539:0211:30
9:11
#16288
24M
24.00 mi14:28:403:37:009:039:07
9:07
#16113
40K
24.85 mi14:36:443:45:049:038:04
9:26
#15961
25.2M
25.20 mi14:40:503:49:109:064:06
11:53
#15995
Finish
26.22 mi14:49:523:58:129:059:02
8:52
#15885
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi162845733573318212(Top 71%)6817(Top 62%)6817(Top 574%)
10K6.21 mi3.10 mi16412-1285809-765809-7616587(Top 65%)5881(Top 54%)5881(Top 495%)
15K9.32 mi3.11 mi17027-6156161-3526161-35218212(Top 71%)6817(Top 62%)6817(Top 574%)
20K12.43 mi3.11 mi17292-2656341-1806341-18018096(Top 71%)6754(Top 62%)6754(Top 569%)
Half13.11 mi0.68 mi17240+526328+136328+1316845(Top 66%)6128(Top 56%)6128(Top 516%)
25K15.53 mi2.42 mi17324-846386-586386-5817456(Top 68%)6516(Top 60%)6516(Top 549%)
30K18.64 mi3.11 mi16747+5776114+2726114+27214572(Top 57%)5184(Top 47%)5184(Top 437%)
20M20.00 mi1.36 mi16794-476174-606174-6016830(Top 66%)6628(Top 61%)6628(Top 558%)
21M21.00 mi1.00 mi16739+556178-46178-415638(Top 61%)6130(Top 56%)6130(Top 516%)
35K21.75 mi0.75 mi16570+1696083+956083+9511799(Top 46%)4192(Top 38%)4192(Top 353%)
23M23.00 mi1.25 mi16288+2825967+1165967+11612094(Top 47%)4462(Top 41%)4462(Top 376%)
24M24.00 mi1.00 mi16113+1755905+625905+6212750(Top 50%)4807(Top 44%)4807(Top 405%)
40K24.85 mi0.85 mi15961+1525850+555850+5512871(Top 50%)4984(Top 46%)4984(Top 420%)
25.2M25.20 mi0.35 mi15995-345877-275877-2717101(Top 67%)7095(Top 65%)7095(Top 598%)
Finish26.22 mi1.02 mi15885+1105843+345843+3413562(Top 53%)5267(Top 48%)5267(Top 444%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18212

Females

6817

F50-54

6817

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

16587

Females

5881

F50-54

5881

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18212

Females

6817

F50-54

6817

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18096

Females

6754

F50-54

6754

20K→Half

12.4 - 13.1 mi

Top 66%
×2stories
+19ft-37ft

Overall

16845

Females

6128

F50-54

6128

Half→25K

13.1 - 15.5 mi

Top 68%
×4stories
+66ft-88ft

Overall

17456

Females

6516

F50-54

6516

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

14572

Females

5184

F50-54

5184

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

16830

Females

6628

F50-54

6628

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

15638

Females

6130

F50-54

6130

21M→35K

21.0 - 21.8 mi

Top 46%
×7stories
+17ft-86ft

Overall

11799

Females

4192

F50-54

4192

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

12094

Females

4462

F50-54

4462

23M→24M

23.0 - 24.0 mi

Top 50%
×6stories
+12ft-82ft

Overall

12750

Females

4807

F50-54

4807

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

12871

Females

4984

F50-54

4984

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17101

Females

7095

F50-54

7095

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

13562

Females

5267

F50-54

5267

Passing Analysis

Category:
Athletes Passed
2560
Passed By
2161
Net Change
+399
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16284
5K10K230358-128#16284#16412
10K15K91706-615#16412#17027
15K20K185450-265#17027#17292
20KHalf6816+52#17292#17240
Half25K170254-84#17240#17324
25K30K61336+577#17324#16747
30K20M96143-47#16747#16794
20M21M14186+55#16794#16739
21M35K1712+169#16739#16570
35K23M2886+282#16570#16288
23M24M1827+175#16288#16113
24M40K16715+152#16113#15961
40K25.2M2458-34#15961#15995
25.2MFinish13424+110#15995#15885
TOTALS25602161+399
📊

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