Jun Xie

Bib: 4229M

CA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:04
Rank: #5510
Start5K
21:04 | 6:47/mi
10K· 6.21 mi
43:48
Rank: #7141 (-1631)
5K10K
22:44 | 7:19/mi
15K· 9.32 mi
1:06:51
Rank: #7693 (-552)
10K15K
23:03 | 7:25/mi
20K· 12.43 mi
1:33:30
Rank: #9816 (-2123)
15K20K
26:39 | 8:35/mi
Half· 13.11 mi
1:39:07
Rank: #10079 (-263)
20KHalf
5:37 | 8:14/mi
25K· 15.53 mi
2:00:12
Rank: #10829 (-750)
Half25K
21:05 | 8:42/mi
30K· 18.64 mi
2:32:55
Rank: #12974 (-2145)
25K30K
32:43 | 10:32/mi
20M
2:49:31
Rank: #14235 (-1261)
30K20M
16:36 | 12:13/mi
21M
3:02:08
Rank: #14878 (-643)
20M21M
12:37 | 12:37/mi
35K· 21.75 mi
3:09:39
Rank: #15000 (-122)
21M35K
7:31 | 10:03/mi
23M
3:24:07
Rank: #15488 (-488)
35K23M
14:28 | 11:33/mi
24M
3:35:32
Rank: #15833 (-345)
23M24M
11:25 | 11:25/mi
40K· 24.85 mi
3:45:49
Rank: #16106 (-273)
24M40K
10:17 | 12:02/mi
25.2M
3:50:07
Rank: #16168 (-62)
40K25.2M
4:18 | 12:28/mi
Finish· 26.22 mi
3:59:39
Rank: #16172 (-4)
25.2MFinish
9:32 | 9:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:07
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time2:20:32
Pace10:43 /mi
📊Positive Split: 41.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:5521:046:4721:04
6:47
-
10K
6.21 mi11:45:3943:487:0322:44
7:19
+0:32
15K
9.32 mi12:08:421:06:517:1023:03
7:25
+0:06
20K
12.43 mi12:35:211:33:307:3126:39
8:35
+1:10
Half
13.11 mi12:40:581:39:077:345:37
8:14
-0:21
25K
15.53 mi13:02:032:00:127:4421:05
8:42
+0:28
30K
18.64 mi13:34:462:32:558:1232:43
10:32
+1:50
20M
20.00 mi13:51:222:49:318:2916:36
12:13
+1:41
21M
21.00 mi14:03:593:02:088:4012:37
12:37
+0:24
35K
21.75 mi14:11:303:09:398:437:31
10:03
-2:34
23M
23.00 mi14:25:583:24:078:5214:28
11:33
+1:30
24M
24.00 mi14:37:233:35:328:5911:25
11:25
-0:08
40K
24.85 mi14:47:403:45:499:0510:17
12:02
+0:37
25.2M
25.20 mi14:51:583:50:079:084:18
12:28
+0:26
Finish
26.22 mi15:01:303:59:399:099:32
9:21
-3:07

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

6:47 /mi

Average Pace

9:09 /mi

Slowest Pace

12:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:12

50% of race

Time at Steady Pace

49:46

21% of race

Time at Slower Pace

1:09:41

29% of race

Average Pace: 9:08 /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 mi11:22:5521:046:4721:04
6:47
#5510
10K
6.21 mi11:45:3943:487:0322:44
7:19
#7141
15K
9.32 mi12:08:421:06:517:1023:03
7:25
#7693
20K
12.43 mi12:35:211:33:307:3126:39
8:35
#9816
Half
13.11 mi12:40:581:39:077:345:37
8:14
#10079
25K
15.53 mi13:02:032:00:127:4421:05
8:42
#10829
30K
18.64 mi13:34:462:32:558:1232:43
10:32
#12974
20M
20.00 mi13:51:222:49:318:2916:36
12:13
#14235
21M
21.00 mi14:03:593:02:088:4012:37
12:37
#14878
35K
21.75 mi14:11:303:09:398:437:31
10:03
#15000
23M
23.00 mi14:25:583:24:078:5214:28
11:33
#15488
24M
24.00 mi14:37:233:35:328:5911:25
11:25
#15833
40K
24.85 mi14:47:403:45:499:0510:17
12:02
#16106
25.2M
25.20 mi14:51:583:50:079:084:18
12:28
#16168
Finish
26.22 mi15:01:303:59:399:099:32
9:21
#16172
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5510505650569032(Top 35%)7308(Top 50%)7308(Top 329%)
10K6.21 mi3.10 mi7141-16316245-11896245-11898807(Top 34%)7239(Top 50%)7239(Top 326%)
15K9.32 mi3.11 mi7693-5526579-3346579-3349032(Top 35%)7308(Top 50%)7308(Top 329%)
20K12.43 mi3.11 mi9816-21237741-11627741-116215209(Top 60%)10043(Top 69%)10043(Top 453%)
Half13.11 mi0.68 mi10079-2637856-1157856-11514190(Top 56%)9591(Top 66%)9591(Top 432%)
25K15.53 mi2.42 mi10829-7508163-3078163-30714057(Top 55%)9384(Top 64%)9384(Top 423%)
30K18.64 mi3.11 mi12974-21459051-8889051-88818856(Top 74%)11318(Top 78%)11318(Top 510%)
20M20.00 mi1.36 mi14235-12619529-4789529-47821713(Top 85%)12558(Top 86%)12558(Top 566%)
21M21.00 mi1.00 mi14878-6439744-2159744-21520068(Top 79%)11656(Top 80%)11656(Top 526%)
35K21.75 mi0.75 mi15000-1229764-209764-2017293(Top 68%)10262(Top 70%)10262(Top 463%)
23M23.00 mi1.25 mi15488-4889924-1609924-16019757(Top 77%)11440(Top 78%)11440(Top 516%)
24M24.00 mi1.00 mi15833-34510050-12610050-12620240(Top 79%)11645(Top 80%)11645(Top 525%)
40K24.85 mi0.85 mi16106-27310148-9810148-9820483(Top 80%)11684(Top 80%)11684(Top 527%)
25.2M25.20 mi0.35 mi16168-6210155-710155-718412(Top 72%)10645(Top 73%)10645(Top 480%)
Finish26.22 mi1.02 mi16172-410132+2310132+2315854(Top 62%)9376(Top 64%)9376(Top 423%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9032

Males

7308

M45-49

7308

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

8807

Males

7239

M45-49

7239

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9032

Males

7308

M45-49

7308

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15209

Males

10043

M45-49

10043

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14190

Males

9591

M45-49

9591

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14057

Males

9384

M45-49

9384

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

18856

Males

11318

M45-49

11318

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

21713

Males

12558

M45-49

12558

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

20068

Males

11656

M45-49

11656

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

17293

Males

10262

M45-49

10262

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

19757

Males

11440

M45-49

11440

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

20240

Males

11645

M45-49

11645

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

20483

Males

11684

M45-49

11684

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

18412

Males

10645

M45-49

10645

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2stories
+22ft-21ft

Overall

15854

Males

9376

M45-49

9376

Passing Analysis

Category:
Athletes Passed
424
Passed By
11082
Net Change
-10662
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5510
5K10K101641-1631#5510#7141
10K15K45597-552#7141#7693
15K20K122134-2123#7693#9816
20KHalf2263-263#9816#10079
Half25K71820-750#10079#10829
25K30K172162-2145#10829#12974
30K20M91270-1261#12974#14235
20M21M24667-643#14235#14878
21M35K38160-122#14878#15000
35K23M41529-488#15000#15488
23M24M23368-345#15488#15833
24M40K29302-273#15833#16106
40K25.2M2486-62#16106#16168
25.2MFinish7983-4#16168#16172
TOTALS42411082-10662
📊

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