Shengxi Duan

Bib: 7934M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 36%
Masters (Masters Men)
#0 / 10463
Top 22%
Division (M50-54)
#0 / 1996
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:53
Rank: #5646
Start5K
20:53 | 6:43/mi
10K· 6.21 mi
42:11
Rank: #6202 (-556)
5K10K
21:18 | 6:51/mi
15K· 9.32 mi
1:03:48
Rank: #6623 (-421)
10K15K
21:37 | 6:57/mi
20K· 12.43 mi
1:25:56
Rank: #6936 (-313)
15K20K
22:08 | 7:07/mi
Half· 13.11 mi
1:30:39
Rank: #6941 (-5)
20KHalf
4:43 | 6:55/mi
25K· 15.53 mi
1:48:18
Rank: #7075 (-134)
Half25K
17:39 | 7:17/mi
30K· 18.64 mi
2:11:33
Rank: #7043 (+32)
25K30K
23:15 | 7:29/mi
20M
2:21:57
Rank: #7056 (-13)
30K20M
10:24 | 7:39/mi
21M
2:30:05
Rank: #7034 (+22)
20M21M
8:08 | 8:08/mi
35K· 21.75 mi
2:35:29
Rank: #7000 (+34)
21M35K
5:24 | 7:13/mi
23M
2:44:55
Rank: #6912 (+88)
35K23M
9:26 | 7:32/mi
24M
2:52:12
Rank: #6814 (+98)
23M24M
7:17 | 7:17/mi
40K· 24.85 mi
2:58:30
Rank: #6737 (+77)
24M40K
6:18 | 7:22/mi
25.2M
3:01:17
Rank: #6695 (+42)
40K25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:08:24
Rank: #6598 (+97)
25.2MFinish
7:07 | 6:59/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:39
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:37:45
Pace7:27 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:1120:536:4320:53
6:43
-
10K
6.21 mi10:49:2942:116:4721:18
6:51
+0:08
15K
9.32 mi11:11:061:03:486:5121:37
6:57
+0:06
20K
12.43 mi11:33:141:25:566:5522:08
7:07
+0:10
Half
13.11 mi11:37:571:30:396:554:43
6:55
-0:12
25K
15.53 mi11:55:361:48:186:5817:39
7:17
+0:22
30K
18.64 mi12:18:512:11:337:0323:15
7:29
+0:12
20M
20.00 mi12:29:152:21:577:0610:24
7:39
+0:10
21M
21.00 mi12:37:232:30:057:098:08
8:08
+0:29
35K
21.75 mi12:42:472:35:297:095:24
7:13
-0:55
23M
23.00 mi12:52:132:44:557:109:26
7:32
+0:19
24M
24.00 mi12:59:302:52:127:117:17
7:17
-0:15
40K
24.85 mi13:05:482:58:307:116:18
7:22
+0:05
25.2M
25.20 mi13:08:353:01:177:122:47
8:04
+0:42
Finish
26.22 mi13:15:423:08:247:117:07
6:59
-1:05

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

6:43 /mi

Average Pace

7:11 /mi

Slowest Pace

8:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:38

40% of race

Time at Steady Pace

1:22:01

44% of race

Time at Slower Pace

30:45

16% of race

Average Pace: 7:11 /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 mi10:28:1120:536:4320:53
6:43
#5646
10K
6.21 mi10:49:2942:116:4721:18
6:51
#6202
15K
9.32 mi11:11:061:03:486:5121:37
6:57
#6623
20K
12.43 mi11:33:141:25:566:5522:08
7:07
#6936
Half
13.11 mi11:37:571:30:396:554:43
6:55
#6941
25K
15.53 mi11:55:361:48:186:5817:39
7:17
#7075
30K
18.64 mi12:18:512:11:337:0323:15
7:29
#7043
20M
20.00 mi12:29:152:21:577:0610:24
7:39
#7056
21M
21.00 mi12:37:232:30:057:098:08
8:08
#7034
35K
21.75 mi12:42:472:35:297:095:24
7:13
#7000
23M
23.00 mi12:52:132:44:557:109:26
7:32
#6912
24M
24.00 mi12:59:302:52:127:117:17
7:17
#6814
40K
24.85 mi13:05:482:58:307:116:18
7:22
#6737
25.2M
25.20 mi13:08:353:01:177:122:47
8:04
#6695
Finish
26.22 mi13:15:423:08:247:117:07
6:59
#6598
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5646522252227352(Top 26%)6515(Top 40%)6515(Top 326%)
10K6.21 mi3.10 mi6202-5565682-4605682-4606915(Top 24%)6209(Top 39%)6209(Top 311%)
15K9.32 mi3.11 mi6623-4215984-3025984-3027352(Top 26%)6515(Top 40%)6515(Top 326%)
20K12.43 mi3.11 mi6936-3136229-2456229-2457658(Top 27%)6649(Top 41%)6649(Top 333%)
Half13.11 mi0.68 mi6941-56230-16230-16976(Top 25%)6196(Top 38%)6196(Top 310%)
25K15.53 mi2.42 mi7075-1346313-836313-838187(Top 29%)6869(Top 43%)6869(Top 344%)
30K18.64 mi3.11 mi7043+326241+726241+727619(Top 27%)6355(Top 39%)6355(Top 318%)
20M20.00 mi1.36 mi7056-136219+226219+228028(Top 28%)6455(Top 40%)6455(Top 323%)
21M21.00 mi1.00 mi7034+226176+436176+438135(Top 29%)6328(Top 39%)6328(Top 317%)
35K21.75 mi0.75 mi7000+346140+366140+366704(Top 24%)5523(Top 34%)5523(Top 277%)
23M23.00 mi1.25 mi6912+886042+986042+986812(Top 24%)5479(Top 34%)5479(Top 274%)
24M24.00 mi1.00 mi6814+985941+1015941+1016313(Top 22%)5113(Top 32%)5113(Top 256%)
40K24.85 mi0.85 mi6737+775862+795862+796012(Top 21%)4858(Top 30%)4858(Top 243%)
25.2M25.20 mi0.35 mi6695+425813+495813+496290(Top 22%)4923(Top 31%)4923(Top 247%)
Finish26.22 mi1.02 mi6598+975720+935720+935636(Top 20%)4507(Top 28%)4507(Top 226%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7352

Males

6515

M50-54

6515

5K→10K

3.1 - 6.2 mi

Top 24%
×5stories
+79ft-138ft

Overall

6915

Males

6209

M50-54

6209

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7352

Males

6515

M50-54

6515

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7658

Males

6649

M50-54

6649

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6976

Males

6196

M50-54

6196

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8187

Males

6869

M50-54

6869

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7619

Males

6355

M50-54

6355

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

8028

Males

6455

M50-54

6455

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8135

Males

6328

M50-54

6328

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6704

Males

5523

M50-54

5523

35K→23M

21.8 - 23.0 mi

Top 24%
×5stories
+23ft-63ft

Overall

6812

Males

5479

M50-54

5479

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6313

Males

5113

M50-54

5113

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

6012

Males

4858

M50-54

4858

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6290

Males

4923

M50-54

4923

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

5636

Males

4507

M50-54

4507

Passing Analysis

Category:
Athletes Passed
1251
Passed By
2203
Net Change
-952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5646
5K10K51607-556#5646#6202
10K15K57478-421#6202#6623
15K20K51364-313#6623#6936
20KHalf2126-5#6936#6941
Half25K80214-134#6941#7075
25K30K190158+32#7075#7043
30K20M98111-13#7043#7056
20M21M9573+22#7056#7034
21M35K6733+34#7034#7000
35K23M13648+88#7000#6912
23M24M12022+98#6912#6814
24M40K10932+77#6814#6737
40K25.2M6018+42#6737#6695
25.2MFinish11619+97#6695#6598
TOTALS12512203-952
📊

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