Dongsheng Shi

Bib: 31999M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:58
Rank: #20449
Start5K
9:00/mi
27:58 split
10K· 6.21 mi
57:35
Rank: #21630 (-1181)
5K10K
9:32/mi
29:37 split
15K· 9.32 mi
1:28:20
Rank: #22227 (-597)
10K15K
9:54/mi
30:45 split
20K· 12.43 mi
2:00:40
Rank: #22694 (-467)
15K20K
10:24/mi
32:20 split
Half· 13.11 mi
2:07:58
Rank: #22824 (-130)
20KHalf
10:42/mi
7:18 split
25K· 15.53 mi
2:35:25
Rank: #23214 (-390)
Half25K
11:19/mi
27:27 split
30K· 18.64 mi
3:14:38
Rank: #23693 (-479)
25K30K
12:37/mi
39:13 split
20M
3:32:32
Rank: #23905 (-212)
30K20M
13:10/mi
17:54 split
21M
3:47:17
Rank: #24069 (-164)
20M21M
14:45/mi
14:45 split
35K· 21.75 mi
3:56:15
Rank: #24113 (-44)
21M35K
11:59/mi
8:58 split
23M
4:11:35
Rank: #24130 (-17)
35K23M
12:15/mi
15:20 split
24M
4:23:48
Rank: #24169 (-39)
23M24M
12:13/mi
12:13 split
40K· 24.85 mi
4:35:15
Rank: #24249 (-80)
24M40K
13:24/mi
11:27 split
25.2M
4:40:43
Rank: #24303 (-54)
40K25.2M
15:51/mi
5:28 split
Finish· 26.22 mi
4:53:59
Rank: #24437 (-134)
25.2MFinish
13:01/mi
13:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:58
Pace9:46 /mi
2nd Half
Distance13.11 mi
Time2:46:01
Pace12:40 /mi
📊Positive Split: 29.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5627:589:0027:58
9:00
-
10K
6.21 mi12:13:3357:359:1629:37
9:32
+0:32
15K
9.32 mi12:44:181:28:209:2930:45
9:54
+0:22
20K
12.43 mi13:16:382:00:409:4332:20
10:24
+0:30
Half
13.11 mi13:23:562:07:589:467:18
10:42
+0:18
25K
15.53 mi13:51:232:35:2510:0027:27
11:19
+0:37
30K
18.64 mi14:30:363:14:3810:2639:13
12:37
+1:18
20M
20.00 mi14:48:303:32:3210:3817:54
13:10
+0:33
21M
21.00 mi15:03:153:47:1710:4914:45
14:45
+1:35
35K
21.75 mi15:12:133:56:1510:528:58
11:59
-2:46
23M
23.00 mi15:27:334:11:3510:5615:20
12:15
+0:16
24M
24.00 mi15:39:464:23:4811:0012:13
12:13
-0:02
40K
24.85 mi15:51:134:35:1511:0411:27
13:24
+1:11
25.2M
25.20 mi15:56:414:40:4311:085:28
15:51
+2:27
Finish
26.22 mi16:09:574:53:5911:1313:16
13:01
-2:50

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

9:00 /mi

Average Pace

11:13 /mi

Slowest Pace

15:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:58

44% of race

Time at Steady Pace

1:56:27

40% of race

Time at Slower Pace

49:34

17% of race

Average Pace: 11:13 /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 mi11:43:5627:589:0027:58
9:00
#20449
10K
6.21 mi12:13:3357:359:1629:37
9:32
#21630
15K
9.32 mi12:44:181:28:209:2930:45
9:54
#22227
20K
12.43 mi13:16:382:00:409:4332:20
10:24
#22694
Half
13.11 mi13:23:562:07:589:467:18
10:42
#22824
25K
15.53 mi13:51:232:35:2510:0027:27
11:19
#23214
30K
18.64 mi14:30:363:14:3810:2639:13
12:37
#23693
20M
20.00 mi14:48:303:32:3210:3817:54
13:10
#23905
21M
21.00 mi15:03:153:47:1710:4914:45
14:45
#24069
35K
21.75 mi15:12:133:56:1510:528:58
11:59
#24113
23M
23.00 mi15:27:334:11:3510:5615:20
12:15
#24130
24M
24.00 mi15:39:464:23:4811:0012:13
12:13
#24169
40K
24.85 mi15:51:134:35:1511:0411:27
13:24
#24249
25.2M
25.20 mi15:56:414:40:4311:085:28
15:51
#24303
Finish
26.22 mi16:09:574:53:5911:1313:16
13:01
#24437
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi20449123471234723297(Top 88%)13785(Top 91%)13785(Top 672%)
10K6.21 mi3.10 mi21630-118112958-61112958-61122606(Top 85%)13443(Top 89%)13443(Top 655%)
15K9.32 mi3.11 mi22227-59713255-29713255-29723297(Top 88%)13785(Top 91%)13785(Top 672%)
20K12.43 mi3.11 mi22694-46713485-23013485-23023671(Top 89%)13923(Top 92%)13923(Top 679%)
Half13.11 mi0.68 mi22824-13013549-6413549-6424520(Top 92%)14276(Top 94%)14276(Top 696%)
25K15.53 mi2.42 mi23214-39013727-17813727-17824437(Top 92%)14219(Top 94%)14219(Top 693%)
30K18.64 mi3.11 mi23693-47913926-19913926-19925111(Top 94%)14458(Top 95%)14458(Top 705%)
20M20.00 mi1.36 mi23905-21214015-8914015-8925302(Top 95%)14523(Top 96%)14523(Top 708%)
21M21.00 mi1.00 mi24069-16414065-5014065-5025586(Top 96%)14661(Top 97%)14661(Top 714%)
35K21.75 mi0.75 mi24113-4414077-1214077-1224673(Top 93%)14158(Top 93%)14158(Top 690%)
23M23.00 mi1.25 mi24130-1714071+614071+624296(Top 91%)13989(Top 92%)13989(Top 682%)
24M24.00 mi1.00 mi24169-3914087-1614087-1624761(Top 93%)14175(Top 93%)14175(Top 691%)
40K24.85 mi0.85 mi24249-8014120-3314120-3325271(Top 95%)14439(Top 95%)14439(Top 704%)
25.2M25.20 mi0.35 mi24303-5414136-1614136-1626066(Top 98%)14847(Top 98%)14847(Top 724%)
Finish26.22 mi1.02 mi24437-13414190-5414190-5425973(Top 98%)14794(Top 97%)14794(Top 721%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 88%
×21story building
+97ft-345ft

Overall

23297

Males

13785

M50-54

13785

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22606

Males

13443

M50-54

13443

10K→15K

6.2 - 9.3 mi

Top 88%
×3story building
+67ft-78ft

Overall

23297

Males

13785

M50-54

13785

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23671

Males

13923

M50-54

13923

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24520

Males

14276

M50-54

14276

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24437

Males

14219

M50-54

14219

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

25111

Males

14458

M50-54

14458

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25302

Males

14523

M50-54

14523

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25586

Males

14661

M50-54

14661

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24673

Males

14158

M50-54

14158

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24296

Males

13989

M50-54

13989

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

24761

Males

14175

M50-54

14175

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

25271

Males

14439

M50-54

14439

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26066

Males

14847

M50-54

14847

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2story building
+22ft-21ft

Overall

25973

Males

14794

M50-54

14794

Passing Analysis

Category:
Athletes Passed
235
Passed By
4223
Net Change
-3988
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20449
5K10K311212-1181#20449#21630
10K15K30627-597#21630#22227
15K20K38505-467#22227#22694
20KHalf4134-130#22694#22824
Half25K23413-390#22824#23214
25K30K14493-479#23214#23693
30K20M12224-212#23693#23905
20M21M7171-164#23905#24069
21M35K1155-44#24069#24113
35K23M3148-17#24113#24130
23M24M1352-39#24130#24169
24M40K1292-80#24169#24249
40K25.2M559-54#24249#24303
25.2MFinish4138-134#24303#24437
TOTALS2354223-3988
📊

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