Yu Sun

Bib: 18612F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F45-49)
#0 / 1813
Top 23%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:11
Rank: #14675
Start5K
7:47/mi
24:11 split
10K· 6.21 mi
48:19
Rank: #14554 (+121)
5K10K
7:46/mi
24:08 split
15K· 9.32 mi
1:12:36
Rank: #14532 (+22)
10K15K
7:49/mi
24:17 split
20K· 12.43 mi
1:37:24
Rank: #14567 (-35)
15K20K
7:59/mi
24:48 split
Half· 13.11 mi
1:42:48
Rank: #14592 (-25)
20KHalf
7:55/mi
5:24 split
25K· 15.53 mi
2:02:36
Rank: #14651 (-59)
Half25K
8:10/mi
19:48 split
30K· 18.64 mi
2:28:37
Rank: #14465 (+186)
25K30K
8:22/mi
26:01 split
20M
2:40:00
Rank: #14322 (+143)
30K20M
8:23/mi
11:23 split
21M
2:48:48
Rank: #14161 (+161)
20M21M
8:48/mi
8:48 split
35K· 21.75 mi
2:54:55
Rank: #14128 (+33)
21M35K
8:11/mi
6:07 split
23M
3:05:33
Rank: #14080 (+48)
35K23M
8:30/mi
10:38 split
24M
3:13:45
Rank: #14001 (+79)
23M24M
8:12/mi
8:12 split
40K· 24.85 mi
3:20:54
Rank: #13905 (+96)
24M40K
8:22/mi
7:09 split
25.2M
3:24:00
Rank: #13851 (+54)
40K25.2M
8:59/mi
3:06 split
Finish· 26.22 mi
3:32:19
Rank: #13841 (+10)
25.2MFinish
8:10/mi
8:19 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:48
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:49:31
Pace8:21 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3324:117:4724:11
7:47
-
10K
6.21 mi11:40:4148:197:4724:08
7:46
-0:01
15K
9.32 mi12:04:581:12:367:4724:17
7:49
+0:03
20K
12.43 mi12:29:461:37:247:5024:48
7:59
+0:10
Half
13.11 mi12:35:101:42:487:505:24
7:55
-0:04
25K
15.53 mi12:54:582:02:367:5419:48
8:10
+0:15
30K
18.64 mi13:20:592:28:377:5826:01
8:22
+0:12
20M
20.00 mi13:32:222:40:008:0011:23
8:23
+0:01
21M
21.00 mi13:41:102:48:488:028:48
8:48
+0:25
35K
21.75 mi13:47:172:54:558:036:07
8:11
-0:37
23M
23.00 mi13:57:553:05:338:0410:38
8:30
+0:19
24M
24.00 mi14:06:073:13:458:048:12
8:12
-0:18
40K
24.85 mi14:13:163:20:548:057:09
8:22
+0:10
25.2M
25.20 mi14:16:223:24:008:063:06
8:59
+0:37
Finish
26.22 mi14:24:413:32:198:068:19
8:10
-0:49

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

7:46 /mi

Average Pace

8:06 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:25

94% of race

Time at Steady Pace

11:54

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:16:3324:117:4724:11
7:47
#14675
10K
6.21 mi11:40:4148:197:4724:08
7:46
#14554
15K
9.32 mi12:04:581:12:367:4724:17
7:49
#14532
20K
12.43 mi12:29:461:37:247:5024:48
7:59
#14567
Half
13.11 mi12:35:101:42:487:505:24
7:55
#14592
25K
15.53 mi12:54:582:02:367:5419:48
8:10
#14651
30K
18.64 mi13:20:592:28:377:5826:01
8:22
#14465
20M
20.00 mi13:32:222:40:008:0011:23
8:23
#14322
21M
21.00 mi13:41:102:48:488:028:48
8:48
#14161
35K
21.75 mi13:47:172:54:558:036:07
8:11
#14128
23M
23.00 mi13:57:553:05:338:0410:38
8:30
#14080
24M
24.00 mi14:06:073:13:458:048:12
8:12
#14001
40K
24.85 mi14:13:163:20:548:057:09
8:22
#13905
25.2M
25.20 mi14:16:223:24:008:063:06
8:59
#13851
Finish
26.22 mi14:24:413:32:198:068:19
8:10
#13841
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi146754331433114525(Top 51%)4326(Top 35%)4326(Top 239%)
10K6.21 mi3.10 mi14554+1214269+624269+6214532(Top 51%)4269(Top 35%)4269(Top 235%)
15K9.32 mi3.11 mi14532+224279-104279-1014525(Top 51%)4326(Top 35%)4326(Top 239%)
20K12.43 mi3.11 mi14567-354327-484327-4814801(Top 52%)4531(Top 37%)4531(Top 250%)
Half13.11 mi0.68 mi14592-254343-164343-1615250(Top 54%)4747(Top 39%)4747(Top 262%)
25K15.53 mi2.42 mi14651-594421-784421-7815090(Top 53%)4779(Top 39%)4779(Top 264%)
30K18.64 mi3.11 mi14465+1864372+494372+4913990(Top 49%)4359(Top 36%)4359(Top 240%)
20M20.00 mi1.36 mi14322+1434312+604312+6013015(Top 46%)3986(Top 33%)3986(Top 220%)
21M21.00 mi1.00 mi14161+1614255+574255+5712328(Top 43%)3779(Top 31%)3779(Top 208%)
35K21.75 mi0.75 mi14128+334258-34258-313490(Top 47%)4421(Top 36%)4421(Top 244%)
23M23.00 mi1.25 mi14080+484269-114269-1113286(Top 47%)4424(Top 36%)4424(Top 244%)
24M24.00 mi1.00 mi14001+794266+34266+312590(Top 44%)4101(Top 34%)4101(Top 226%)
40K24.85 mi0.85 mi13905+964243+234243+2312576(Top 44%)4229(Top 35%)4229(Top 233%)
25.2M25.20 mi0.35 mi13851+544225+184225+1811815(Top 42%)3891(Top 32%)3891(Top 215%)
Finish26.22 mi1.02 mi13841+104235-104235-1014029(Top 49%)4960(Top 41%)4960(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14525

Females

4326

F45-49

4326

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14532

Females

4269

F45-49

4269

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14525

Females

4326

F45-49

4326

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14801

Females

4531

F45-49

4531

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

15250

Females

4747

F45-49

4747

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

15090

Females

4779

F45-49

4779

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

13990

Females

4359

F45-49

4359

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

13015

Females

3986

F45-49

3986

20M→21M

20.0 - 21.0 mi

Top 43%
×8stories
+106ft-24ft

Overall

12328

Females

3779

F45-49

3779

21M→35K

21.0 - 21.8 mi

Top 47%
×7stories
+17ft-86ft

Overall

13490

Females

4421

F45-49

4421

35K→23M

21.8 - 23.0 mi

Top 47%
×5stories
+23ft-63ft

Overall

13286

Females

4424

F45-49

4424

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12590

Females

4101

F45-49

4101

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12576

Females

4229

F45-49

4229

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11815

Females

3891

F45-49

3891

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

14029

Females

4960

F45-49

4960

Passing Analysis

Category:
Athletes Passed
2275
Passed By
1441
Net Change
+834
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14675
5K10K358237+121#14675#14554
10K15K212190+22#14554#14532
15K20K187222-35#14532#14567
20KHalf3257-25#14567#14592
Half25K157216-59#14592#14651
25K30K328142+186#14651#14465
30K20M19249+143#14465#14322
20M21M20241+161#14322#14161
21M35K8249+33#14161#14128
35K23M13385+48#14128#14080
23M24M12647+79#14080#14001
24M40K12933+96#14001#13905
40K25.2M628+54#13905#13851
25.2MFinish7565+10#13851#13841
TOTALS22751441+834
📊

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