Seunggyu Sun

Bib: 30374M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:51
Rank: #24571
Start5K
29:51 | 9:36/mi
10K· 6.21 mi
57:06
Rank: #23171 (+1400)
5K10K
27:15 | 8:46/mi
15K· 9.32 mi
1:24:07
Rank: #22379 (+792)
10K15K
27:01 | 8:42/mi
20K· 12.43 mi
1:52:05
Rank: #22013 (+366)
15K20K
27:58 | 9:00/mi
Half· 13.11 mi
1:58:07
Rank: #21968 (+45)
20KHalf
6:02 | 8:51/mi
25K· 15.53 mi
2:19:49
Rank: #21549 (+419)
Half25K
21:42 | 8:57/mi
30K· 18.64 mi
2:47:15
Rank: #20736 (+813)
25K30K
27:26 | 8:50/mi
20M
2:59:04
Rank: #20342 (+394)
30K20M
11:49 | 8:42/mi
21M
3:08:44
Rank: #20138 (+204)
20M21M
9:40 | 9:40/mi
35K· 21.75 mi
3:15:07
Rank: #19974 (+164)
21M35K
6:23 | 8:32/mi
23M
3:25:41
Rank: #19621 (+353)
35K23M
10:34 | 8:26/mi
24M
3:33:52
Rank: #19352 (+269)
23M24M
8:11 | 8:11/mi
40K· 24.85 mi
3:40:56
Rank: #19093 (+259)
24M40K
7:04 | 8:16/mi
25.2M
3:43:59
Rank: #18970 (+123)
40K25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:51:48
Rank: #18700 (+270)
25.2MFinish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:58:07
Pace9:01 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:53:41
Pace8:40 /mi
📊Negative Split: 3.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:0529:519:3629:51
9:36
-
10K
6.21 mi12:17:2057:069:1127:15
8:46
-0:50
15K
9.32 mi12:44:211:24:079:0127:01
8:42
-0:04
20K
12.43 mi13:12:191:52:059:0127:58
9:00
+0:18
Half
13.11 mi13:18:211:58:079:016:02
8:51
-0:09
25K
15.53 mi13:40:032:19:499:0021:42
8:57
+0:06
30K
18.64 mi14:07:292:47:158:5827:26
8:50
-0:07
20M
20.00 mi14:19:182:59:048:5711:49
8:42
-0:08
21M
21.00 mi14:28:583:08:448:599:40
9:40
+0:58
35K
21.75 mi14:35:213:15:078:586:23
8:32
-1:08
23M
23.00 mi14:45:553:25:418:5710:34
8:26
-0:06
24M
24.00 mi14:54:063:33:528:558:11
8:11
-0:15
40K
24.85 mi15:01:103:40:568:537:04
8:16
+0:05
25.2M
25.20 mi15:04:133:43:598:533:03
8:51
+0:35
Finish
26.22 mi15:12:023:51:488:517:49
7:40
-1:11

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

7:40 /mi

Average Pace

8:51 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:38

15% of race

Time at Steady Pace

2:38:39

68% of race

Time at Slower Pace

39:31

17% of race

Average Pace: 8:50 /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 mi11:50:0529:519:3629:51
9:36
#24571
10K
6.21 mi12:17:2057:069:1127:15
8:46
#23171
15K
9.32 mi12:44:211:24:079:0127:01
8:42
#22379
20K
12.43 mi13:12:191:52:059:0127:58
9:00
#22013
Half
13.11 mi13:18:211:58:079:016:02
8:51
#21968
25K
15.53 mi13:40:032:19:499:0021:42
8:57
#21549
30K
18.64 mi14:07:292:47:158:5827:26
8:50
#20736
20M
20.00 mi14:19:182:59:048:5711:49
8:42
#20342
21M
21.00 mi14:28:583:08:448:599:40
9:40
#20138
35K
21.75 mi14:35:213:15:078:586:23
8:32
#19974
23M
23.00 mi14:45:553:25:418:5710:34
8:26
#19621
24M
24.00 mi14:54:063:33:528:558:11
8:11
#19352
40K
24.85 mi15:01:103:40:568:537:04
8:16
#19093
25.2M
25.20 mi15:04:133:43:598:533:03
8:51
#18970
Finish
26.22 mi15:12:023:51:488:517:49
7:40
#18700
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi24571145141451420454(Top 72%)12713(Top 79%)12713(Top 771%)
10K6.21 mi3.10 mi23171+140013869+64513869+64521246(Top 75%)13015(Top 81%)13015(Top 790%)
15K9.32 mi3.11 mi22379+79213522+34713522+34720454(Top 72%)12713(Top 79%)12713(Top 771%)
20K12.43 mi3.11 mi22013+36613349+17313349+17320964(Top 74%)12870(Top 80%)12870(Top 781%)
Half13.11 mi0.68 mi21968+4513329+2013329+2021063(Top 74%)12913(Top 80%)12913(Top 784%)
25K15.53 mi2.42 mi21549+41913137+19213137+19219673(Top 69%)12267(Top 76%)12267(Top 744%)
30K18.64 mi3.11 mi20736+81312730+40712730+40716770(Top 59%)10825(Top 67%)10825(Top 657%)
20M20.00 mi1.36 mi20342+39412540+19012540+19015036(Top 53%)9941(Top 62%)9941(Top 603%)
21M21.00 mi1.00 mi20138+20412421+11912421+11916859(Top 59%)10633(Top 66%)10633(Top 645%)
35K21.75 mi0.75 mi19974+16412346+7512346+7515663(Top 55%)10031(Top 62%)10031(Top 609%)
23M23.00 mi1.25 mi19621+35312158+18812158+18812925(Top 46%)8671(Top 54%)8671(Top 526%)
24M24.00 mi1.00 mi19352+26912017+14112017+14112462(Top 44%)8413(Top 52%)8413(Top 510%)
40K24.85 mi0.85 mi19093+25911895+12211895+12211965(Top 42%)8046(Top 50%)8046(Top 488%)
25.2M25.20 mi0.35 mi18970+12311824+7111824+7110919(Top 38%)7472(Top 46%)7472(Top 453%)
Finish26.22 mi1.02 mi18700+27011688+13611688+13610484(Top 37%)7254(Top 45%)7254(Top 440%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20454

Males

12713

M55-59

12713

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21246

Males

13015

M55-59

13015

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20454

Males

12713

M55-59

12713

15K→20K

9.3 - 12.4 mi

Top 74%
×5stories
+106ft-86ft

Overall

20964

Males

12870

M55-59

12870

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21063

Males

12913

M55-59

12913

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19673

Males

12267

M55-59

12267

25K→30K

15.5 - 18.6 mi

Top 59%
×9stories
+181ft-148ft

Overall

16770

Males

10825

M55-59

10825

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

15036

Males

9941

M55-59

9941

20M→21M

20.0 - 21.0 mi

Top 59%
×8stories
+106ft-24ft

Overall

16859

Males

10633

M55-59

10633

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15663

Males

10031

M55-59

10031

35K→23M

21.8 - 23.0 mi

Top 46%
×5stories
+23ft-63ft

Overall

12925

Males

8671

M55-59

8671

23M→24M

23.0 - 24.0 mi

Top 44%
×6stories
+12ft-82ft

Overall

12462

Males

8413

M55-59

8413

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11965

Males

8046

M55-59

8046

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10919

Males

7472

M55-59

7472

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10484

Males

7254

M55-59

7254

Passing Analysis

Category:
Athletes Passed
5945
Passed By
74
Net Change
+5871
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24571
5K10K14044+1400#24571#23171
10K15K7953+792#23171#22379
15K20K38923+366#22379#22013
20KHalf6015+45#22013#21968
Half25K4267+419#21968#21549
25K30K8152+813#21549#20736
30K20M3940+394#20736#20342
20M21M21511+204#20342#20138
21M35K1684+164#20138#19974
35K23M3530+353#19974#19621
23M24M2690+269#19621#19352
24M40K2601+259#19352#19093
40K25.2M1230+123#19093#18970
25.2MFinish2744+270#18970#18700
TOTALS594574+5871
📊

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