Xiaoyu Feng

Bib: 8668M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 30%
Gender (Male)
#0 / 14578
Top 42%
Masters (Masters Men)
#0 / 9729
Top 31%
Division (M45-49)
#0 / 2218
Top 43%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:51
Rank: #4934
Start5K
20:51 | 6:43/mi
10K· 6.21 mi
42:32
Rank: #5759 (-825)
5K10K
21:41 | 6:59/mi
15K· 9.32 mi
1:04:56
Rank: #6371 (-612)
10K15K
22:24 | 7:13/mi
20K· 12.43 mi
1:28:10
Rank: #6742 (-371)
15K20K
23:14 | 7:29/mi
Half· 13.11 mi
1:33:10
Rank: #6799 (-57)
20KHalf
5:00 | 7:20/mi
25K· 15.53 mi
1:52:11
Rank: #7092 (-293)
Half25K
19:01 | 7:51/mi
30K· 18.64 mi
2:18:15
Rank: #7562 (-470)
25K30K
26:04 | 8:23/mi
20M
2:29:48
Rank: #7668 (-106)
30K20M
11:33 | 8:30/mi
21M
2:39:31
Rank: #7875 (-207)
20M21M
9:43 | 9:43/mi
35K· 21.75 mi
2:45:38
Rank: #7868 (+7)
21M35K
6:07 | 8:11/mi
23M
2:57:04
Rank: #8035 (-167)
35K23M
11:26 | 9:08/mi
24M
3:05:27
Rank: #8016 (+19)
23M24M
8:23 | 8:23/mi
40K· 24.85 mi
3:12:31
Rank: #7932 (+84)
24M40K
7:04 | 8:16/mi
25.2M
3:15:45
Rank: #7911 (+21)
40K25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:23:17
Rank: #7716 (+195)
25.2MFinish
7:32 | 7:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:10
Pace7:06 /mi
2nd Half
Distance13.11 mi
Time1:50:07
Pace8:24 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:1520:516:4320:51
6:43
-
10K
6.21 mi11:07:5642:326:5121:41
6:59
+0:16
15K
9.32 mi11:30:201:04:566:5822:24
7:13
+0:14
20K
12.43 mi11:53:341:28:107:0623:14
7:29
+0:16
Half
13.11 mi11:58:341:33:107:065:00
7:20
-0:09
25K
15.53 mi12:17:351:52:117:1319:01
7:51
+0:31
30K
18.64 mi12:43:392:18:157:2526:04
8:23
+0:32
20M
20.00 mi12:55:122:29:487:2911:33
8:30
+0:07
21M
21.00 mi13:04:552:39:317:369:43
9:43
+1:13
35K
21.75 mi13:11:022:45:387:376:07
8:11
-1:32
23M
23.00 mi13:22:282:57:047:4211:26
9:08
+0:57
24M
24.00 mi13:30:513:05:277:448:23
8:23
-0:45
40K
24.85 mi13:37:553:12:317:457:04
8:16
-0:07
25.2M
25.20 mi13:41:093:15:457:463:14
9:23
+1:07
Finish
26.22 mi13:48:413:23:177:467:32
7:24
-1:59

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

7:46 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:42

50% of race

Time at Steady Pace

1:18:12

38% of race

Time at Slower Pace

24:23

12% of race

Average Pace: 7:45 /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 mi10:46:1520:516:4320:51
6:43
#4934
10K
6.21 mi11:07:5642:326:5121:41
6:59
#5759
15K
9.32 mi11:30:201:04:566:5822:24
7:13
#6371
20K
12.43 mi11:53:341:28:107:0623:14
7:29
#6742
Half
13.11 mi11:58:341:33:107:065:00
7:20
#6799
25K
15.53 mi12:17:351:52:117:1319:01
7:51
#7092
30K
18.64 mi12:43:392:18:157:2526:04
8:23
#7562
20M
20.00 mi12:55:122:29:487:2911:33
8:30
#7668
21M
21.00 mi13:04:552:39:317:369:43
9:43
#7875
35K
21.75 mi13:11:022:45:387:376:07
8:11
#7868
23M
23.00 mi13:22:282:57:047:4211:26
9:08
#8035
24M
24.00 mi13:30:513:05:277:448:23
8:23
#8016
40K
24.85 mi13:37:553:12:317:457:04
8:16
#7932
25.2M
25.20 mi13:41:093:15:457:463:14
9:23
#7911
Finish
26.22 mi13:48:413:23:177:467:32
7:24
#7716
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4934457645767529(Top 29%)6422(Top 44%)6422(Top 290%)
10K6.21 mi3.10 mi5759-8255255-6795255-6796521(Top 26%)5777(Top 40%)5777(Top 260%)
15K9.32 mi3.11 mi6371-6125693-4385693-4387529(Top 29%)6422(Top 44%)6422(Top 290%)
20K12.43 mi3.11 mi6742-3715926-2335926-2338207(Top 32%)6716(Top 46%)6716(Top 303%)
Half13.11 mi0.68 mi6799-575965-395965-397838(Top 31%)6523(Top 45%)6523(Top 294%)
25K15.53 mi2.42 mi7092-2936112-1476112-1479195(Top 36%)7078(Top 49%)7078(Top 319%)
30K18.64 mi3.11 mi7562-4706345-2336345-23310049(Top 39%)7288(Top 50%)7288(Top 329%)
20M20.00 mi1.36 mi7668-1066364-196364-199415(Top 37%)6727(Top 46%)6727(Top 303%)
21M21.00 mi1.00 mi7875-2076421-576421-5711748(Top 46%)7585(Top 52%)7585(Top 342%)
35K21.75 mi0.75 mi7868+76393+286393+288812(Top 34%)6158(Top 42%)6158(Top 278%)
23M23.00 mi1.25 mi8035-1676416-236416-2311814(Top 46%)7474(Top 51%)7474(Top 337%)
24M24.00 mi1.00 mi8016+196368+486368+488732(Top 34%)5886(Top 40%)5886(Top 265%)
40K24.85 mi0.85 mi7932+846269+996269+997131(Top 28%)4932(Top 34%)4932(Top 222%)
25.2M25.20 mi0.35 mi7911+216238+316238+318185(Top 32%)5414(Top 37%)5414(Top 244%)
Finish26.22 mi1.02 mi7716+1956080+1586080+1584997(Top 20%)3793(Top 26%)3793(Top 171%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7529

Males

6422

M45-49

6422

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6521

Males

5777

M45-49

5777

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7529

Males

6422

M45-49

6422

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8207

Males

6716

M45-49

6716

20K→Half

12.4 - 13.1 mi

Top 31%
×2stories
+19ft-37ft

Overall

7838

Males

6523

M45-49

6523

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9195

Males

7078

M45-49

7078

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

10049

Males

7288

M45-49

7288

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9415

Males

6727

M45-49

6727

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

11748

Males

7585

M45-49

7585

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

8812

Males

6158

M45-49

6158

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

11814

Males

7474

M45-49

7474

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

8732

Males

5886

M45-49

5886

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7131

Males

4932

M45-49

4932

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8185

Males

5414

M45-49

5414

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2stories
+22ft-21ft

Overall

4997

Males

3793

M45-49

3793

Passing Analysis

Category:
Athletes Passed
1170
Passed By
3952
Net Change
-2782
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4934
5K10K39864-825#4934#5759
10K15K27639-612#5759#6371
15K20K79450-371#6371#6742
20KHalf1168-57#6742#6799
Half25K110403-293#6799#7092
25K30K92562-470#7092#7562
30K20M97203-106#7562#7668
20M21M76283-207#7668#7875
21M35K6659+7#7875#7868
35K23M99266-167#7868#8035
23M24M9374+19#8035#8016
24M40K13147+84#8016#7932
40K25.2M4625+21#7932#7911
25.2MFinish2049+195#7911#7716
TOTALS11703952-2782
📊

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