Don Sun

Bib: 10105M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 31%
Masters (Masters Men)
#0 / 9891
Top 17%
Division (M50-54)
#0 / 2052
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:07
Rank: #9122
Start5K
23:07 | 7:26/mi
10K· 6.21 mi
44:28
Rank: #7454 (+1668)
5K10K
21:21 | 6:52/mi
15K· 9.32 mi
1:05:33
Rank: #6696 (+758)
10K15K
21:05 | 6:47/mi
20K· 12.43 mi
1:27:04
Rank: #6381 (+315)
15K20K
21:31 | 6:56/mi
Half· 13.11 mi
1:31:41
Rank: #6325 (+56)
20KHalf
4:37 | 6:46/mi
25K· 15.53 mi
1:48:30
Rank: #6115 (+210)
Half25K
16:49 | 6:56/mi
30K· 18.64 mi
2:10:46
Rank: #5905 (+210)
25K30K
22:16 | 7:10/mi
20M
2:20:32
Rank: #5808 (+97)
30K20M
9:46 | 7:11/mi
21M
2:28:10
Rank: #5743 (+65)
20M21M
7:38 | 7:38/mi
35K· 21.75 mi
2:33:18
Rank: #5685 (+58)
21M35K
5:08 | 6:52/mi
23M
2:42:17
Rank: #5548 (+137)
35K23M
8:59 | 7:10/mi
24M
2:49:20
Rank: #5482 (+66)
23M24M
7:03 | 7:03/mi
40K· 24.85 mi
2:55:28
Rank: #5412 (+70)
24M40K
6:08 | 7:10/mi
25.2M
2:58:05
Rank: #5357 (+55)
40K25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
3:04:47
Rank: #5207 (+150)
25.2MFinish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:41
Pace7:00 /mi
2nd Half
Distance13.11 mi
Time1:33:06
Pace7:06 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4523:077:2623:07
7:26
-
10K
6.21 mi11:13:0644:287:0921:21
6:52
-0:34
15K
9.32 mi11:34:111:05:337:0221:05
6:47
-0:05
20K
12.43 mi11:55:421:27:047:0021:31
6:56
+0:09
Half
13.11 mi12:00:191:31:417:004:37
6:46
-0:10
25K
15.53 mi12:17:081:48:306:5916:49
6:56
+0:10
30K
18.64 mi12:39:242:10:467:0122:16
7:10
+0:14
20M
20.00 mi12:49:102:20:327:029:46
7:11
+0:01
21M
21.00 mi12:56:482:28:107:037:38
7:38
+0:27
35K
21.75 mi13:01:562:33:187:035:08
6:52
-0:46
23M
23.00 mi13:10:552:42:177:038:59
7:10
+0:18
24M
24.00 mi13:17:582:49:207:037:03
7:03
-0:07
40K
24.85 mi13:24:062:55:287:046:08
7:10
+0:07
25.2M
25.20 mi13:26:432:58:057:042:37
7:35
+0:25
Finish
26.22 mi13:33:253:04:477:036:42
6:34
-1:01

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

6:34 /mi

Average Pace

7:03 /mi

Slowest Pace

7:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:25

82% of race

Time at Steady Pace

33:22

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:03 /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 mi10:51:4523:077:2623:07
7:26
#9122
10K
6.21 mi11:13:0644:287:0921:21
6:52
#7454
15K
9.32 mi11:34:111:05:337:0221:05
6:47
#6696
20K
12.43 mi11:55:421:27:047:0021:31
6:56
#6381
Half
13.11 mi12:00:191:31:417:004:37
6:46
#6325
25K
15.53 mi12:17:081:48:306:5916:49
6:56
#6115
30K
18.64 mi12:39:242:10:467:0122:16
7:10
#5905
20M
20.00 mi12:49:102:20:327:029:46
7:11
#5808
21M
21.00 mi12:56:482:28:107:037:38
7:38
#5743
35K
21.75 mi13:01:562:33:187:035:08
6:52
#5685
23M
23.00 mi13:10:552:42:177:038:59
7:10
#5548
24M
24.00 mi13:17:582:49:207:037:03
7:03
#5482
40K
24.85 mi13:24:062:55:287:046:08
7:10
#5412
25.2M
25.20 mi13:26:432:58:057:042:37
7:35
#5357
Finish
26.22 mi13:33:253:04:477:036:42
6:34
#5207
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9122766876684979(Top 19%)4623(Top 30%)4623(Top 225%)
10K6.21 mi3.10 mi7454+16686601+10676601+10675910(Top 22%)5390(Top 36%)5390(Top 263%)
15K9.32 mi3.11 mi6696+7586027+5746027+5744979(Top 19%)4623(Top 30%)4623(Top 225%)
20K12.43 mi3.11 mi6381+3155768+2595768+2595512(Top 21%)5074(Top 33%)5074(Top 247%)
Half13.11 mi0.68 mi6325+565725+435725+435001(Top 19%)4633(Top 31%)4633(Top 226%)
25K15.53 mi2.42 mi6115+2105568+1575568+1575185(Top 19%)4783(Top 32%)4783(Top 233%)
30K18.64 mi3.11 mi5905+2105391+1775391+1775308(Top 20%)4843(Top 32%)4843(Top 236%)
20M20.00 mi1.36 mi5808+975306+855306+855043(Top 19%)4576(Top 30%)4576(Top 223%)
21M21.00 mi1.00 mi5743+655251+555251+555258(Top 20%)4654(Top 31%)4654(Top 227%)
35K21.75 mi0.75 mi5685+585200+515200+514585(Top 17%)4176(Top 28%)4176(Top 204%)
23M23.00 mi1.25 mi5548+1375078+1225078+1224675(Top 18%)4218(Top 28%)4218(Top 206%)
24M24.00 mi1.00 mi5482+665011+675011+674898(Top 18%)4350(Top 29%)4350(Top 212%)
40K24.85 mi0.85 mi5412+704941+704941+704737(Top 18%)4164(Top 27%)4164(Top 203%)
25.2M25.20 mi0.35 mi5357+554890+514890+514322(Top 16%)3792(Top 25%)3792(Top 185%)
Finish26.22 mi1.02 mi5207+1504764+1264764+1262875(Top 11%)2612(Top 17%)2612(Top 127%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4979

Males

4623

M50-54

4623

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

5910

Males

5390

M50-54

5390

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4979

Males

4623

M50-54

4623

15K→20K

9.3 - 12.4 mi

Top 21%
×5stories
+106ft-86ft

Overall

5512

Males

5074

M50-54

5074

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5001

Males

4633

M50-54

4633

Half→25K

13.1 - 15.5 mi

Top 19%
×4stories
+66ft-88ft

Overall

5185

Males

4783

M50-54

4783

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5308

Males

4843

M50-54

4843

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5043

Males

4576

M50-54

4576

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5258

Males

4654

M50-54

4654

21M→35K

21.0 - 21.8 mi

Top 17%
×7stories
+17ft-86ft

Overall

4585

Males

4176

M50-54

4176

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4675

Males

4218

M50-54

4218

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4898

Males

4350

M50-54

4350

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4737

Males

4164

M50-54

4164

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4322

Males

3792

M50-54

3792

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2875

Males

2612

M50-54

2612

Passing Analysis

Category:
Athletes Passed
4062
Passed By
147
Net Change
+3915
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9122
5K10K16724+1668#9122#7454
10K15K7613+758#7454#6696
15K20K3227+315#6696#6381
20KHalf571+56#6381#6325
Half25K2199+210#6325#6115
25K30K24333+210#6115#5905
30K20M11720+97#5905#5808
20M21M8621+65#5808#5743
21M35K657+58#5743#5685
35K23M15013+137#5685#5548
23M24M7610+66#5548#5482
24M40K8313+70#5482#5412
40K25.2M594+55#5412#5357
25.2MFinish1522+150#5357#5207
TOTALS4062147+3915
📊

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