Tiansong Deng

Bib: 5896M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 23%
Gender (Male)
#0 / 14578
Top 35%
Masters (Masters Men)
#0 / 9729
Top 23%
Division (M40-44)
#0 / 2009
Top 50%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:44
Rank: #4625
Start5K
20:44 | 6:40/mi
10K· 6.21 mi
42:04
Rank: #5167 (-542)
5K10K
21:20 | 6:52/mi
15K· 9.32 mi
1:03:43
Rank: #5456 (-289)
10K15K
21:39 | 6:58/mi
20K· 12.43 mi
1:26:14
Rank: #5779 (-323)
15K20K
22:31 | 7:15/mi
Half· 13.11 mi
1:31:08
Rank: #5835 (-56)
20KHalf
4:54 | 7:11/mi
25K· 15.53 mi
1:49:56
Rank: #6184 (-349)
Half25K
18:48 | 7:45/mi
30K· 18.64 mi
2:14:17
Rank: #6200 (-16)
25K30K
24:21 | 7:50/mi
20M
2:25:00
Rank: #6116 (+84)
30K20M
10:43 | 7:53/mi
21M
2:33:20
Rank: #5986 (+130)
20M21M
8:20 | 8:20/mi
35K· 21.75 mi
2:38:57
Rank: #5890 (+96)
21M35K
5:37 | 7:30/mi
23M
2:49:12
Rank: #5841 (+49)
35K23M
10:15 | 8:11/mi
24M
2:57:09
Rank: #5800 (+41)
23M24M
7:57 | 7:57/mi
40K· 24.85 mi
3:04:21
Rank: #5792 (+8)
24M40K
7:12 | 8:25/mi
25.2M
3:07:41
Rank: #5825 (-33)
40K25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:16:16
Rank: #5978 (-153)
25.2MFinish
8:35 | 8:25/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:08
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:45:08
Pace8:01 /mi
📊Positive Split: 15.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:4820:446:4020:44
6:40
-
10K
6.21 mi10:46:0842:046:4621:20
6:52
+0:12
15K
9.32 mi11:07:471:03:436:5021:39
6:58
+0:06
20K
12.43 mi11:30:181:26:146:5622:31
7:15
+0:17
Half
13.11 mi11:35:121:31:086:574:54
7:11
-0:04
25K
15.53 mi11:54:001:49:567:0518:48
7:45
+0:34
30K
18.64 mi12:18:212:14:177:1224:21
7:50
+0:05
20M
20.00 mi12:29:042:25:007:1510:43
7:53
+0:03
21M
21.00 mi12:37:242:33:207:188:20
8:20
+0:27
35K
21.75 mi12:43:012:38:577:195:37
7:30
-0:50
23M
23.00 mi12:53:162:49:127:2110:15
8:11
+0:41
24M
24.00 mi13:01:132:57:097:237:57
7:57
-0:14
40K
24.85 mi13:08:253:04:217:257:12
8:25
+0:28
25.2M
25.20 mi13:11:453:07:417:273:20
9:40
+1:15
Finish
26.22 mi13:20:203:16:167:298:35
8:25
-1:15

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

6:40 /mi

Average Pace

7:29 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:08

46% of race

Time at Steady Pace

1:17:41

40% of race

Time at Slower Pace

27:27

14% of race

Average Pace: 7:29 /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 mi10:24:4820:446:4020:44
6:40
#4625
10K
6.21 mi10:46:0842:046:4621:20
6:52
#5167
15K
9.32 mi11:07:471:03:436:5021:39
6:58
#5456
20K
12.43 mi11:30:181:26:146:5622:31
7:15
#5779
Half
13.11 mi11:35:121:31:086:574:54
7:11
#5835
25K
15.53 mi11:54:001:49:567:0518:48
7:45
#6184
30K
18.64 mi12:18:212:14:177:1224:21
7:50
#6200
20M
20.00 mi12:29:042:25:007:1510:43
7:53
#6116
21M
21.00 mi12:37:242:33:207:188:20
8:20
#5986
35K
21.75 mi12:43:012:38:577:195:37
7:30
#5890
23M
23.00 mi12:53:162:49:127:2110:15
8:11
#5841
24M
24.00 mi13:01:132:57:097:237:57
7:57
#5800
40K
24.85 mi13:08:253:04:217:257:12
8:25
#5792
25.2M
25.20 mi13:11:453:07:417:273:20
9:40
#5825
Finish
26.22 mi13:20:203:16:167:298:35
8:25
#5978
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4625432643266025(Top 24%)5399(Top 37%)5399(Top 269%)
10K6.21 mi3.10 mi5167-5424777-4514777-4515756(Top 23%)5231(Top 36%)5231(Top 260%)
15K9.32 mi3.11 mi5456-2895007-2305007-2306025(Top 24%)5399(Top 37%)5399(Top 269%)
20K12.43 mi3.11 mi5779-3235231-2245231-2246657(Top 26%)5749(Top 39%)5749(Top 286%)
Half13.11 mi0.68 mi5835-565269-385269-386808(Top 27%)5853(Top 40%)5853(Top 291%)
25K15.53 mi2.42 mi6184-3495487-2185487-2188635(Top 34%)6775(Top 46%)6775(Top 337%)
30K18.64 mi3.11 mi6200-165440+475440+476926(Top 27%)5585(Top 38%)5585(Top 278%)
20M20.00 mi1.36 mi6116+845347+935347+936129(Top 24%)4928(Top 34%)4928(Top 245%)
21M21.00 mi1.00 mi5986+1305221+1265221+1265456(Top 21%)4388(Top 30%)4388(Top 218%)
35K21.75 mi0.75 mi5890+965136+855136+855092(Top 20%)4163(Top 29%)4163(Top 207%)
23M23.00 mi1.25 mi5841+495061+755061+756702(Top 26%)4919(Top 34%)4919(Top 245%)
24M24.00 mi1.00 mi5800+415006+555006+556330(Top 25%)4636(Top 32%)4636(Top 231%)
40K24.85 mi0.85 mi5792+84964+424964+427932(Top 31%)5347(Top 37%)5347(Top 266%)
25.2M25.20 mi0.35 mi5825-334974-104974-109365(Top 37%)5996(Top 41%)5996(Top 298%)
Finish26.22 mi1.02 mi5978-1535043-695043-6911049(Top 43%)7004(Top 48%)7004(Top 349%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6025

Males

5399

M40-44

5399

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

5756

Males

5231

M40-44

5231

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6025

Males

5399

M40-44

5399

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

6657

Males

5749

M40-44

5749

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

6808

Males

5853

M40-44

5853

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8635

Males

6775

M40-44

6775

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

6926

Males

5585

M40-44

5585

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6129

Males

4928

M40-44

4928

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5456

Males

4388

M40-44

4388

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5092

Males

4163

M40-44

4163

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6702

Males

4919

M40-44

4919

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6330

Males

4636

M40-44

4636

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7932

Males

5347

M40-44

5347

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9365

Males

5996

M40-44

5996

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2stories
+22ft-21ft

Overall

11049

Males

7004

M40-44

7004

Passing Analysis

Category:
Athletes Passed
1289
Passed By
2642
Net Change
-1353
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4625
5K10K54596-542#4625#5167
10K15K75364-289#5167#5456
15K20K88411-323#5456#5779
20KHalf965-56#5779#5835
Half25K60409-349#5835#6184
25K30K220236-16#6184#6200
30K20M13955+84#6200#6116
20M21M16838+130#6116#5986
21M35K11822+96#5986#5890
35K23M12879+49#5890#5841
23M24M8948+41#5841#5800
24M40K8779+8#5800#5792
40K25.2M2154-33#5792#5825
25.2MFinish33186-153#5825#5978
TOTALS12892642-1353
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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