Wenbo Song

Bib: 30579M

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
27:57
Rank: #20056
Start5K
9:00/mi
27:57 split
10K· 6.21 mi
57:10
Rank: #20641 (-585)
5K10K
9:24/mi
29:13 split
15K· 9.32 mi
1:27:55
Rank: #21014 (-373)
10K15K
9:54/mi
30:45 split
20K· 12.43 mi
2:01:46
Rank: #21463 (-449)
15K20K
10:54/mi
33:51 split
Half· 13.11 mi
2:08:30
Rank: #21440 (+23)
20KHalf
9:52/mi
6:44 split
25K· 15.53 mi
2:34:35
Rank: #21341 (+99)
Half25K
10:45/mi
26:05 split
30K· 18.64 mi
3:13:54
Rank: #21750 (-409)
25K30K
12:39/mi
39:19 split
20M
3:30:47
Rank: #21781 (-31)
30K20M
12:25/mi
16:53 split
21M
3:43:14
Rank: #21674 (+107)
20M21M
12:27/mi
12:27 split
35K· 21.75 mi
3:51:28
Rank: #21599 (+75)
21M35K
11:00/mi
8:14 split
23M
4:05:51
Rank: #21472 (+127)
35K23M
11:29/mi
14:23 split
24M
4:16:39
Rank: #21360 (+112)
23M24M
10:48/mi
10:48 split
40K· 24.85 mi
4:25:39
Rank: #21195 (+165)
24M40K
10:32/mi
9:00 split
25.2M
4:30:12
Rank: #21168 (+27)
40K25.2M
13:12/mi
4:33 split
Finish· 26.22 mi
4:40:24
Rank: #21079 (+89)
25.2MFinish
10:01/mi
10:12 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:30
Pace9:48 /mi
2nd Half
Distance13.11 mi
Time2:31:54
Pace11:35 /mi
📊Positive Split: 18.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3327:579:0027:57
9:00
-
10K
6.21 mi12:19:4657:109:1229:13
9:24
+0:24
15K
9.32 mi12:50:311:27:559:2630:45
9:54
+0:30
20K
12.43 mi13:24:222:01:469:4833:51
10:54
+1:00
Half
13.11 mi13:31:062:08:309:486:44
9:52
-1:02
25K
15.53 mi13:57:112:34:359:5726:05
10:45
+0:53
30K
18.64 mi14:36:303:13:5410:2439:19
12:39
+1:54
20M
20.00 mi14:53:233:30:4710:3216:53
12:25
-0:14
21M
21.00 mi15:05:503:43:1410:3812:27
12:27
+0:02
35K
21.75 mi15:14:043:51:2810:398:14
11:00
-1:27
23M
23.00 mi15:28:274:05:5110:4114:23
11:29
+0:29
24M
24.00 mi15:39:154:16:3910:4210:48
10:48
-0:41
40K
24.85 mi15:48:154:25:3910:419:00
10:32
-0:16
25.2M
25.20 mi15:52:484:30:1210:434:33
13:12
+2:40
Finish
26.22 mi16:03:004:40:2410:4210:12
10:01
-3:11

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

10:42 /mi

Slowest Pace

13:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:51

37% of race

Time at Steady Pace

1:27:58

31% of race

Time at Slower Pace

1:27:35

31% of race

Average Pace: 10:42 /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 mi11:50:3327:579:0027:57
9:00
#20056
10K
6.21 mi12:19:4657:109:1229:13
9:24
#20641
15K
9.32 mi12:50:311:27:559:2630:45
9:54
#21014
20K
12.43 mi13:24:222:01:469:4833:51
10:54
#21463
Half
13.11 mi13:31:062:08:309:486:44
9:52
#21440
25K
15.53 mi13:57:112:34:359:5726:05
10:45
#21341
30K
18.64 mi14:36:303:13:5410:2439:19
12:39
#21750
20M
20.00 mi14:53:233:30:4710:3216:53
12:25
#21781
21M
21.00 mi15:05:503:43:1410:3812:27
12:27
#21674
35K
21.75 mi15:14:043:51:2810:398:14
11:00
#21599
23M
23.00 mi15:28:274:05:5110:4114:23
11:29
#21472
24M
24.00 mi15:39:154:16:3910:4210:48
10:48
#21360
40K
24.85 mi15:48:154:25:3910:419:00
10:32
#21195
25.2M
25.20 mi15:52:484:30:1210:434:33
13:12
#21168
Finish
26.22 mi16:03:004:40:2410:4210:12
10:01
#21079
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20056121041210421672(Top 85%)12937(Top 89%)12937(Top 267%)
10K6.21 mi3.10 mi20641-58512406-30212406-30221085(Top 83%)12628(Top 87%)12628(Top 260%)
15K9.32 mi3.11 mi21014-37312593-18712593-18721672(Top 85%)12937(Top 89%)12937(Top 267%)
20K12.43 mi3.11 mi21463-44912806-21312806-21322441(Top 88%)13243(Top 91%)13243(Top 273%)
Half13.11 mi0.68 mi21440+2312796+1012796+1021115(Top 83%)12607(Top 86%)12607(Top 260%)
25K15.53 mi2.42 mi21341+9912739+5712739+5720996(Top 82%)12491(Top 86%)12491(Top 258%)
30K18.64 mi3.11 mi21750-40912860-12112860-12122853(Top 89%)13231(Top 91%)13231(Top 273%)
20M20.00 mi1.36 mi21781-3112857+312857+322052(Top 86%)12726(Top 87%)12726(Top 262%)
21M21.00 mi1.00 mi21674+10712790+6712790+6719757(Top 77%)11518(Top 79%)11518(Top 238%)
35K21.75 mi0.75 mi21599+7512736+5412736+5419814(Top 78%)11532(Top 79%)11532(Top 238%)
23M23.00 mi1.25 mi21472+12712647+8912647+8919605(Top 77%)11370(Top 78%)11370(Top 234%)
24M24.00 mi1.00 mi21360+11212571+7612571+7618693(Top 73%)10850(Top 74%)10850(Top 224%)
40K24.85 mi0.85 mi21195+16512479+9212479+9216765(Top 66%)9832(Top 67%)9832(Top 203%)
25.2M25.20 mi0.35 mi21168+2712457+2212457+2220082(Top 79%)11481(Top 79%)11481(Top 237%)
Finish26.22 mi1.02 mi21079+8912410+4712410+4718406(Top 72%)10681(Top 73%)10681(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

21672

Males

12937

M18-39

12937

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

21085

Males

12628

M18-39

12628

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

21672

Males

12937

M18-39

12937

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

22441

Males

13243

M18-39

13243

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

21115

Males

12607

M18-39

12607

Half→25K

13.1 - 15.5 mi

Top 82%
×4story building
+66ft-88ft

Overall

20996

Males

12491

M18-39

12491

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

22853

Males

13231

M18-39

13231

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

22052

Males

12726

M18-39

12726

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

19757

Males

11518

M18-39

11518

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

19814

Males

11532

M18-39

11532

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

19605

Males

11370

M18-39

11370

23M→24M

23.0 - 24.0 mi

Top 73%
×6story building
+12ft-82ft

Overall

18693

Males

10850

M18-39

10850

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

16765

Males

9832

M18-39

9832

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20082

Males

11481

M18-39

11481

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

18406

Males

10681

M18-39

10681

Passing Analysis

Category:
Athletes Passed
1423
Passed By
2446
Net Change
-1023
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20056
5K10K91676-585#20056#20641
10K15K98471-373#20641#21014
15K20K71520-449#21014#21463
20KHalf4522+23#21463#21440
Half25K18889+99#21440#21341
25K30K73482-409#21341#21750
30K20M6596-31#21750#21781
20M21M12619+107#21781#21674
21M35K8914+75#21674#21599
35K23M14619+127#21599#21472
23M24M1175+112#21472#21360
24M40K1661+165#21360#21195
40K25.2M4316+27#21195#21168
25.2MFinish10516+89#21168#21079
TOTALS14232446-1023
📊

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