Shaobing Li

Bib: 28722M

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
34:28
Rank: #24921
Start5K
11:06/mi
34:28 split
10K· 6.21 mi
1:10:06
Rank: #24848 (+73)
5K10K
11:28/mi
35:38 split
15K· 9.32 mi
1:49:03
Rank: #24973 (-125)
10K15K
12:32/mi
38:57 split
20K· 12.43 mi
2:30:24
Rank: #25032 (-59)
15K20K
13:19/mi
41:21 split
Half· 13.11 mi
2:39:05
Rank: #25049 (-17)
20KHalf
12:44/mi
8:41 split
25K· 15.53 mi
3:12:18
Rank: #25029 (+20)
Half25K
13:42/mi
33:13 split
30K· 18.64 mi
3:58:35
Rank: #25040 (-11)
25K30K
14:54/mi
46:17 split
20M
4:18:36
Rank: #25032 (+8)
30K20M
14:44/mi
20:01 split
21M
4:33:11
Rank: #24994 (+38)
20M21M
14:35/mi
14:35 split
35K· 21.75 mi
4:43:10
Rank: #24956 (+38)
21M35K
13:21/mi
9:59 split
23M
5:02:40
Rank: #24989 (-33)
35K23M
15:34/mi
19:30 split
24M
5:16:59
Rank: #25003 (-14)
23M24M
14:19/mi
14:19 split
40K· 24.85 mi
5:28:43
Rank: #24972 (+31)
24M40K
13:43/mi
11:44 split
25.2M
5:33:50
Rank: #24963 (+9)
40K25.2M
14:50/mi
5:07 split
Finish· 26.22 mi
5:46:25
Rank: #24940 (+23)
25.2MFinish
12:21/mi
12:35 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:39:05
Pace12:08 /mi
2nd Half
Distance13.11 mi
Time3:07:20
Pace14:17 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:2534:2811:0634:28
11:06
-
10K
6.21 mi12:31:031:10:0611:1735:38
11:28
+0:22
15K
9.32 mi13:10:001:49:0311:4238:57
12:32
+1:04
20K
12.43 mi13:51:212:30:2412:0641:21
13:19
+0:47
Half
13.11 mi14:00:022:39:0512:088:41
12:44
-0:35
25K
15.53 mi14:33:153:12:1812:2333:13
13:42
+0:58
30K
18.64 mi15:19:323:58:3512:4846:17
14:54
+1:12
20M
20.00 mi15:39:334:18:3612:5620:01
14:44
-0:10
21M
21.00 mi15:54:084:33:1113:0114:35
14:35
-0:09
35K
21.75 mi16:04:074:43:1013:019:59
13:21
-1:14
23M
23.00 mi16:23:375:02:4013:1019:30
15:34
+2:13
24M
24.00 mi16:37:565:16:5913:1214:19
14:19
-1:15
40K
24.85 mi16:49:405:28:4313:1411:44
13:43
-0:36
25.2M
25.20 mi16:54:475:33:5013:155:07
14:50
+1:07
Finish
26.22 mi17:07:225:46:2513:1312:35
12:21
-2:29

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

11:06 /mi

Average Pace

13:13 /mi

Slowest Pace

15:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:19

38% of race

Time at Steady Pace

1:50:36

32% of race

Time at Slower Pace

1:45:30

30% of race

Average Pace: 13:13 /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 mi11:55:2534:2811:0634:28
11:06
#24921
10K
6.21 mi12:31:031:10:0611:1735:38
11:28
#24848
15K
9.32 mi13:10:001:49:0311:4238:57
12:32
#24973
20K
12.43 mi13:51:212:30:2412:0641:21
13:19
#25032
Half
13.11 mi14:00:022:39:0512:088:41
12:44
#25049
25K
15.53 mi14:33:153:12:1812:2333:13
13:42
#25029
30K
18.64 mi15:19:323:58:3512:4846:17
14:54
#25040
20M
20.00 mi15:39:334:18:3612:5620:01
14:44
#25032
21M
21.00 mi15:54:084:33:1113:0114:35
14:35
#24994
35K
21.75 mi16:04:074:43:1013:019:59
13:21
#24956
23M
23.00 mi16:23:375:02:4013:1019:30
15:34
#24989
24M
24.00 mi16:37:565:16:5913:1214:19
14:19
#25003
40K
24.85 mi16:49:405:28:4313:1411:44
13:43
#24972
25.2M
25.20 mi16:54:475:33:5013:155:07
14:50
#24963
Finish
26.22 mi17:07:225:46:2513:1312:35
12:21
#24940
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24921143591435925090(Top 98%)14414(Top 99%)14414(Top 297%)
10K6.21 mi3.10 mi24848+7314332+2714332+2724745(Top 97%)14286(Top 98%)14286(Top 295%)
15K9.32 mi3.11 mi24973-12514378-4614378-4625090(Top 98%)14414(Top 99%)14414(Top 297%)
20K12.43 mi3.11 mi25032-5914398-2014398-2025065(Top 98%)14386(Top 99%)14386(Top 297%)
Half13.11 mi0.68 mi25049-17143981439825046(Top 98%)14344(Top 98%)14344(Top 296%)
25K15.53 mi2.42 mi25029+2014383+1514383+1524737(Top 97%)14197(Top 97%)14197(Top 293%)
30K18.64 mi3.11 mi25040-1114368+1514368+1524863(Top 97%)14206(Top 97%)14206(Top 293%)
20M20.00 mi1.36 mi25032+814367+114367+124563(Top 96%)14017(Top 96%)14017(Top 289%)
21M21.00 mi1.00 mi24994+3814347+2014347+2023083(Top 90%)13211(Top 91%)13211(Top 272%)
35K21.75 mi0.75 mi24956+3814325+2214325+2223660(Top 93%)13482(Top 92%)13482(Top 278%)
23M23.00 mi1.25 mi24989-3314331-614331-624938(Top 98%)14177(Top 97%)14177(Top 292%)
24M24.00 mi1.00 mi25003-1414334-314334-324427(Top 96%)13840(Top 95%)13840(Top 285%)
40K24.85 mi0.85 mi24972+3114313+2114313+2123299(Top 91%)13184(Top 90%)13184(Top 272%)
25.2M25.20 mi0.35 mi24963+914307+614307+622829(Top 89%)12937(Top 89%)12937(Top 267%)
Finish26.22 mi1.02 mi24940+2314289+1814289+1823681(Top 93%)13382(Top 92%)13382(Top 276%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

25090

Males

14414

M18-39

14414

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

24745

Males

14286

M18-39

14286

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

25090

Males

14414

M18-39

14414

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

25065

Males

14386

M18-39

14386

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

25046

Males

14344

M18-39

14344

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

24737

Males

14197

M18-39

14197

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

24863

Males

14206

M18-39

14206

30K→20M

18.6 - 20.0 mi

Top 96%
×5story building
+64ft-50ft

Overall

24563

Males

14017

M18-39

14017

20M→21M

20.0 - 21.0 mi

Top 90%
×8story building
+106ft-24ft

Overall

23083

Males

13211

M18-39

13211

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

23660

Males

13482

M18-39

13482

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

24938

Males

14177

M18-39

14177

23M→24M

23.0 - 24.0 mi

Top 96%
×6story building
+12ft-82ft

Overall

24427

Males

13840

M18-39

13840

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

23299

Males

13184

M18-39

13184

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

22829

Males

12937

M18-39

12937

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

23681

Males

13382

M18-39

13382

Passing Analysis

Category:
Athletes Passed
554
Passed By
573
Net Change
-19
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24921
5K10K15784+73#24921#24848
10K15K30155-125#24848#24973
15K20K41100-59#24973#25032
20KHalf623-17#25032#25049
Half25K4929+20#25049#25029
25K30K5061-11#25029#25040
30K20M2820+8#25040#25032
20M21M468+38#25032#24994
21M35K446+38#24994#24956
35K23M1245-33#24956#24989
23M24M1529-14#24989#25003
24M40K332+31#25003#24972
40K25.2M123+9#24972#24963
25.2MFinish318+23#24963#24940
TOTALS554573-19
📊

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