Sydney Xinyi Chen

Bib: 6951M

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Division (M18-39)
#0 / 4849
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:19
Rank: #8295
Start5K
7:11/mi
22:19 split
10K· 6.21 mi
45:35
Rank: #9164 (-869)
5K10K
7:29/mi
23:16 split
15K· 9.32 mi
1:09:46
Rank: #10047 (-883)
10K15K
7:47/mi
24:11 split
20K· 12.43 mi
1:36:49
Rank: #11821 (-1774)
15K20K
8:42/mi
27:03 split
Half· 13.11 mi
1:42:35
Rank: #12045 (-224)
20KHalf
8:27/mi
5:46 split
25K· 15.53 mi
2:05:16
Rank: #13164 (-1119)
Half25K
9:21/mi
22:41 split
30K· 18.64 mi
2:37:22
Rank: #14481 (-1317)
25K30K
10:20/mi
32:06 split
20M
2:52:13
Rank: #15054 (-573)
30K20M
10:56/mi
14:51 split
21M
3:05:50
Rank: #15810 (-756)
20M21M
13:37/mi
13:37 split
35K· 21.75 mi
3:14:45
Rank: #16204 (-394)
21M35K
11:55/mi
8:55 split
23M
3:29:23
Rank: #16593 (-389)
35K23M
11:41/mi
14:38 split
24M
3:40:58
Rank: #16869 (-276)
23M24M
11:35/mi
11:35 split
40K· 24.85 mi
3:52:32
Rank: #17281 (-412)
24M40K
13:32/mi
11:34 split
25.2M
3:56:06
Rank: #17185 (+96)
40K25.2M
10:21/mi
3:34 split
Finish· 26.22 mi
4:04:59
Rank: #16993 (+192)
25.2MFinish
8:43/mi
8:53 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:35
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time2:22:24
Pace10:52 /mi
📊Positive Split: 38.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:39:0422:197:1122:19
7:11
-
10K
6.21 mi12:02:2045:357:2023:16
7:29
+0:18
15K
9.32 mi12:26:311:09:467:2924:11
7:47
+0:18
20K
12.43 mi12:53:341:36:497:4727:03
8:42
+0:55
Half
13.11 mi12:59:201:42:357:505:46
8:27
-0:15
25K
15.53 mi13:22:012:05:168:0422:41
9:21
+0:54
30K
18.64 mi13:54:072:37:228:2732:06
10:20
+0:59
20M
20.00 mi14:08:582:52:138:3714:51
10:56
+0:36
21M
21.00 mi14:22:353:05:508:5113:37
13:37
+2:41
35K
21.75 mi14:31:303:14:458:578:55
11:55
-1:42
23M
23.00 mi14:46:083:29:239:0614:38
11:41
-0:14
24M
24.00 mi14:57:433:40:589:1211:35
11:35
-0:06
40K
24.85 mi15:09:173:52:329:2111:34
13:32
+1:57
25.2M
25.20 mi15:12:513:56:069:223:34
10:21
-3:11
Finish
26.22 mi15:21:444:04:599:218:53
8:43
-1:38

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

7:11 /mi

Average Pace

9:21 /mi

Slowest Pace

13:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:28

45% of race

Time at Steady Pace

1:13:12

30% of race

Time at Slower Pace

1:00:19

25% of race

Average Pace: 9:21 /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 mi11:39:0422:197:1122:19
7:11
#8295
10K
6.21 mi12:02:2045:357:2023:16
7:29
#9164
15K
9.32 mi12:26:311:09:467:2924:11
7:47
#10047
20K
12.43 mi12:53:341:36:497:4727:03
8:42
#11821
Half
13.11 mi12:59:201:42:357:505:46
8:27
#12045
25K
15.53 mi13:22:012:05:168:0422:41
9:21
#13164
30K
18.64 mi13:54:072:37:228:2732:06
10:20
#14481
20M
20.00 mi14:08:582:52:138:3714:51
10:56
#15054
21M
21.00 mi14:22:353:05:508:5113:37
13:37
#15810
35K
21.75 mi14:31:303:14:458:578:55
11:55
#16204
23M
23.00 mi14:46:083:29:239:0614:38
11:41
#16593
24M
24.00 mi14:57:433:40:589:1211:35
11:35
#16869
40K
24.85 mi15:09:173:52:329:2111:34
13:32
#17281
25.2M
25.20 mi15:12:513:56:069:223:34
10:21
#17185
Finish
26.22 mi15:21:444:04:599:218:53
8:43
#16993
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi82956989698911803(Top 46%)8650(Top 59%)8650(Top 178%)
10K6.21 mi3.10 mi9164-8697465-4767465-47610187(Top 40%)7982(Top 55%)7982(Top 165%)
15K9.32 mi3.11 mi10047-8837909-4447909-44411803(Top 46%)8650(Top 59%)8650(Top 178%)
20K12.43 mi3.11 mi11821-17748676-7678676-76715882(Top 62%)10333(Top 71%)10333(Top 213%)
Half13.11 mi0.68 mi12045-2248765-898765-8915408(Top 60%)10106(Top 69%)10106(Top 208%)
25K15.53 mi2.42 mi13164-11199237-4729237-47216999(Top 67%)10688(Top 73%)10688(Top 220%)
30K18.64 mi3.11 mi14481-13179678-4419678-44118328(Top 72%)11075(Top 76%)11075(Top 228%)
20M20.00 mi1.36 mi15054-5739865-1879865-18719095(Top 75%)11302(Top 78%)11302(Top 233%)
21M21.00 mi1.00 mi15810-75610128-26310128-26321770(Top 85%)12536(Top 86%)12536(Top 259%)
35K21.75 mi0.75 mi16204-39410273-14510273-14521637(Top 85%)12425(Top 85%)12425(Top 256%)
23M23.00 mi1.25 mi16593-38910425-15210425-15220085(Top 79%)11602(Top 80%)11602(Top 239%)
24M24.00 mi1.00 mi16869-27610504-7910504-7920590(Top 81%)11818(Top 81%)11818(Top 244%)
40K24.85 mi0.85 mi17281-41210662-15810662-15823040(Top 90%)13050(Top 90%)13050(Top 269%)
25.2M25.20 mi0.35 mi17185+9610607+5510607+5512237(Top 48%)7508(Top 52%)7508(Top 155%)
Finish26.22 mi1.02 mi16993+19210487+12010487+12012718(Top 50%)7879(Top 54%)7879(Top 162%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

11803

Males

8650

M18-39

8650

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10187

Males

7982

M18-39

7982

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

11803

Males

8650

M18-39

8650

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

15882

Males

10333

M18-39

10333

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15408

Males

10106

M18-39

10106

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

16999

Males

10688

M18-39

10688

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

18328

Males

11075

M18-39

11075

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19095

Males

11302

M18-39

11302

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

21770

Males

12536

M18-39

12536

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

21637

Males

12425

M18-39

12425

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20085

Males

11602

M18-39

11602

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

20590

Males

11818

M18-39

11818

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23040

Males

13050

M18-39

13050

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12237

Males

7508

M18-39

7508

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

12718

Males

7879

M18-39

7879

Passing Analysis

Category:
Athletes Passed
672
Passed By
9368
Net Change
-8698
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8295
5K10K51920-869#8295#9164
10K15K49931-883#9164#10047
15K20K201793-1774#10047#11821
20KHalf10234-224#11821#12045
Half25K591178-1119#12045#13164
25K30K611378-1317#13164#14481
30K20M24597-573#14481#15054
20M21M17773-756#15054#15810
21M35K17411-394#15810#16204
35K23M27416-389#16204#16593
23M24M25301-276#16593#16869
24M40K18430-412#16869#17281
40K25.2M971+96#17281#17185
25.2MFinish1975+192#17185#16993
TOTALS6729368-8698
📊

Passing Visuals

Category:
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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