Xin Li

Bib: 20096F

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0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F50-54)
#0 / 1187
Top 48%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:29
Rank: #16045
Start5K
8:12/mi
25:29 split
10K· 6.21 mi
51:36
Rank: #16384 (-339)
5K10K
8:24/mi
26:07 split
15K· 9.32 mi
1:18:02
Rank: #16366 (+18)
10K15K
8:30/mi
26:26 split
20K· 12.43 mi
1:45:57
Rank: #16565 (-199)
15K20K
8:59/mi
27:55 split
Half· 13.11 mi
1:52:04
Rank: #16660 (-95)
20KHalf
8:58/mi
6:07 split
25K· 15.53 mi
2:15:09
Rank: #16827 (-167)
Half25K
9:31/mi
23:05 split
30K· 18.64 mi
2:46:08
Rank: #16948 (-121)
25K30K
9:58/mi
30:59 split
20M
2:59:17
Rank: #16832 (+116)
30K20M
9:41/mi
13:09 split
21M
3:10:28
Rank: #16864 (-32)
20M21M
11:11/mi
11:11 split
35K· 21.75 mi
3:17:30
Rank: #16777 (+87)
21M35K
9:24/mi
7:02 split
23M
3:29:57
Rank: #16702 (+75)
35K23M
9:57/mi
12:27 split
24M
3:39:49
Rank: #16670 (+32)
23M24M
9:52/mi
9:52 split
40K· 24.85 mi
3:48:36
Rank: #16619 (+51)
24M40K
10:16/mi
8:47 split
25.2M
3:52:37
Rank: #16610 (+9)
40K25.2M
11:39/mi
4:01 split
Finish· 26.22 mi
4:03:03
Rank: #16698 (-88)
25.2MFinish
10:14/mi
10:26 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:04
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:10:59
Pace10:00 /mi
📊Positive Split: 16.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4225:298:1225:29
8:12
-
10K
6.21 mi11:45:4951:368:1826:07
8:24
+0:12
15K
9.32 mi12:12:151:18:028:2226:26
8:30
+0:06
20K
12.43 mi12:40:101:45:578:3227:55
8:59
+0:29
Half
13.11 mi12:46:171:52:048:336:07
8:58
-0:01
25K
15.53 mi13:09:222:15:098:4223:05
9:31
+0:33
30K
18.64 mi13:40:212:46:088:5530:59
9:58
+0:27
20M
20.00 mi13:53:302:59:178:5813:09
9:41
-0:17
21M
21.00 mi14:04:413:10:289:0411:11
11:11
+1:30
35K
21.75 mi14:11:433:17:309:057:02
9:24
-1:47
23M
23.00 mi14:24:103:29:579:0812:27
9:57
+0:33
24M
24.00 mi14:34:023:39:499:109:52
9:52
-0:05
40K
24.85 mi14:42:493:48:369:128:47
10:16
+0:24
25.2M
25.20 mi14:46:503:52:379:144:01
11:39
+1:23
Finish
26.22 mi14:57:164:03:039:1710:26
10:14
-1:25

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

8:12 /mi

Average Pace

9:17 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:04

46% of race

Time at Steady Pace

1:36:34

40% of race

Time at Slower Pace

34:25

14% of race

Average Pace: 9:16 /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 mi11:19:4225:298:1225:29
8:12
#16045
10K
6.21 mi11:45:4951:368:1826:07
8:24
#16384
15K
9.32 mi12:12:151:18:028:2226:26
8:30
#16366
20K
12.43 mi12:40:101:45:578:3227:55
8:59
#16565
Half
13.11 mi12:46:171:52:048:336:07
8:58
#16660
25K
15.53 mi13:09:222:15:098:4223:05
9:31
#16827
30K
18.64 mi13:40:212:46:088:5530:59
9:58
#16948
20M
20.00 mi13:53:302:59:178:5813:09
9:41
#16832
21M
21.00 mi14:04:413:10:289:0411:11
11:11
#16864
35K
21.75 mi14:11:433:17:309:057:02
9:24
#16777
23M
23.00 mi14:24:103:29:579:0812:27
9:57
#16702
24M
24.00 mi14:34:023:39:499:109:52
9:52
#16670
40K
24.85 mi14:42:493:48:369:128:47
10:16
#16619
25.2M
25.20 mi14:46:503:52:379:144:01
11:39
#16610
Finish
26.22 mi14:57:164:03:039:1710:26
10:14
#16698
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi160455587558716458(Top 64%)5841(Top 53%)5841(Top 492%)
10K6.21 mi3.10 mi16384-3395791-2045791-20416738(Top 66%)5979(Top 55%)5979(Top 504%)
15K9.32 mi3.11 mi16366+185782+95782+916458(Top 64%)5841(Top 53%)5841(Top 492%)
20K12.43 mi3.11 mi16565-1995896-1145896-11417287(Top 68%)6316(Top 58%)6316(Top 532%)
Half13.11 mi0.68 mi16660-955962-665962-6618116(Top 71%)6844(Top 63%)6844(Top 577%)
25K15.53 mi2.42 mi16827-1676090-1286090-12817630(Top 69%)6614(Top 61%)6614(Top 557%)
30K18.64 mi3.11 mi16948-1216233-1436233-14317270(Top 68%)6662(Top 61%)6662(Top 561%)
20M20.00 mi1.36 mi16832+1166197+366197+3615274(Top 60%)5828(Top 53%)5828(Top 491%)
21M21.00 mi1.00 mi16864-326250-536250-5316833(Top 66%)6762(Top 62%)6762(Top 570%)
35K21.75 mi0.75 mi16777+876217+336217+3315147(Top 59%)5909(Top 54%)5909(Top 498%)
23M23.00 mi1.25 mi16702+756200+176200+1715291(Top 60%)6069(Top 56%)6069(Top 511%)
24M24.00 mi1.00 mi16670+326209-96209-915870(Top 62%)6379(Top 58%)6379(Top 537%)
40K24.85 mi0.85 mi16619+516218-96218-915974(Top 63%)6488(Top 59%)6488(Top 547%)
25.2M25.20 mi0.35 mi16610+96223-56223-516473(Top 64%)6771(Top 62%)6771(Top 570%)
Finish26.22 mi1.02 mi16698-886306-836306-8319209(Top 75%)8076(Top 74%)8076(Top 680%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

16458

Females

5841

F50-54

5841

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

16738

Females

5979

F50-54

5979

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

16458

Females

5841

F50-54

5841

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

17287

Females

6316

F50-54

6316

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18116

Females

6844

F50-54

6844

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

17630

Females

6614

F50-54

6614

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

17270

Females

6662

F50-54

6662

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15274

Females

5828

F50-54

5828

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

16833

Females

6762

F50-54

6762

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15147

Females

5909

F50-54

5909

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15291

Females

6069

F50-54

6069

23M→24M

23.0 - 24.0 mi

Top 62%
×6story building
+12ft-82ft

Overall

15870

Females

6379

F50-54

6379

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

15974

Females

6488

F50-54

6488

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16473

Females

6771

F50-54

6771

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2story building
+22ft-21ft

Overall

19209

Females

8076

F50-54

8076

Passing Analysis

Category:
Athletes Passed
1808
Passed By
2461
Net Change
-653
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16045
5K10K163502-339#16045#16384
10K15K247229+18#16384#16366
15K20K200399-199#16366#16565
20KHalf14109-95#16565#16660
Half25K167334-167#16660#16827
25K30K201322-121#16827#16948
30K20M17559+116#16948#16832
20M21M89121-32#16832#16864
21M35K11730+87#16864#16777
35K23M14267+75#16777#16702
23M24M8755+32#16702#16670
24M40K11261+51#16670#16619
40K25.2M3526+9#16619#16610
25.2MFinish59147-88#16610#16698
TOTALS18082461-653
📊

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