Sangsook Lee

Bib: 24482F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F65-69)
#0 / 221
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
34:36
Rank: #25862
Start5K
34:36 | 11:08/mi
10K· 6.21 mi
1:11:55
Rank: #26140 (-278)
5K10K
37:19 | 12:01/mi
15K· 9.32 mi
1:46:09
Rank: #25881 (+259)
10K15K
34:14 | 11:01/mi
20K· 12.43 mi
2:23:01
Rank: #25803 (+78)
15K20K
36:52 | 11:52/mi
Half· 13.11 mi
2:31:16
Rank: #25821 (-18)
20KHalf
8:15 | 12:06/mi
25K· 15.53 mi
3:00:37
Rank: #25729 (+92)
Half25K
29:21 | 12:06/mi
30K· 18.64 mi
3:41:03
Rank: #25686 (+43)
25K30K
40:26 | 13:01/mi
20M
3:57:12
Rank: #25590 (+96)
30K20M
16:09 | 11:53/mi
21M
4:09:30
Rank: #25486 (+104)
20M21M
12:18 | 12:18/mi
35K· 21.75 mi
4:17:35
Rank: #25433 (+53)
21M35K
8:05 | 10:48/mi
23M
4:31:56
Rank: #25352 (+81)
35K23M
14:21 | 11:28/mi
24M
4:43:42
Rank: #25304 (+48)
23M24M
11:46 | 11:46/mi
40K· 24.85 mi
4:53:38
Rank: #25256 (+48)
24M40K
9:56 | 11:37/mi
25.2M
4:57:59
Rank: #25236 (+20)
40K25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
5:09:38
Rank: #25225 (+11)
25.2MFinish
11:39 | 11:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:31:16
Pace11:32 /mi
2nd Half
Distance13.11 mi
Time2:38:22
Pace12:05 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5034:3611:0834:36
11:08
-
10K
6.21 mi12:31:091:11:5511:3437:19
12:01
+0:53
15K
9.32 mi13:05:231:46:0911:2334:14
11:01
-1:00
20K
12.43 mi13:42:152:23:0111:3036:52
11:52
+0:51
Half
13.11 mi13:50:302:31:1611:328:15
12:06
+0:14
25K
15.53 mi14:19:513:00:3711:3829:21
12:06
0:00
30K
18.64 mi15:00:173:41:0311:5140:26
13:01
+0:55
20M
20.00 mi15:16:263:57:1211:5216:09
11:53
-1:08
21M
21.00 mi15:28:444:09:3011:5312:18
12:18
+0:25
35K
21.75 mi15:36:494:17:3511:518:05
10:48
-1:30
23M
23.00 mi15:51:104:31:5611:4914:21
11:28
+0:40
24M
24.00 mi16:02:564:43:4211:4911:46
11:46
+0:18
40K
24.85 mi16:12:524:53:3811:499:56
11:37
-0:09
25.2M
25.20 mi16:17:134:57:5911:494:21
12:37
+1:00
Finish
26.22 mi16:28:525:09:3811:4911:39
11:26
-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

10:48 /mi

Average Pace

11:49 /mi

Slowest Pace

13:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:55

33% of race

Time at Steady Pace

2:29:38

48% of race

Time at Slower Pace

57:05

18% of race

Average Pace: 11:49 /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 mi11:53:5034:3611:0834:36
11:08
#25862
10K
6.21 mi12:31:091:11:5511:3437:19
12:01
#26140
15K
9.32 mi13:05:231:46:0911:2334:14
11:01
#25881
20K
12.43 mi13:42:152:23:0111:3036:52
11:52
#25803
Half
13.11 mi13:50:302:31:1611:328:15
12:06
#25821
25K
15.53 mi14:19:513:00:3711:3829:21
12:06
#25729
30K
18.64 mi15:00:173:41:0311:5140:26
13:01
#25686
20M
20.00 mi15:16:263:57:1211:5216:09
11:53
#25590
21M
21.00 mi15:28:444:09:3011:5312:18
12:18
#25486
35K
21.75 mi15:36:494:17:3511:518:05
10:48
#25433
23M
23.00 mi15:51:104:31:5611:4914:21
11:28
#25352
24M
24.00 mi16:02:564:43:4211:4911:46
11:46
#25304
40K
24.85 mi16:12:524:53:3811:499:56
11:37
#25256
25.2M
25.20 mi16:17:134:57:5911:494:21
12:37
#25236
Finish
26.22 mi16:28:525:09:3811:4911:39
11:26
#25225
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi25862109631096325198(Top 95%)10573(Top 93%)10573(Top 4784%)
10K6.21 mi3.10 mi26140-27811129-16611129-16626282(Top 99%)11220(Top 98%)11220(Top 5077%)
15K9.32 mi3.11 mi25881+25910968+16110968+16125198(Top 95%)10573(Top 93%)10573(Top 4784%)
20K12.43 mi3.11 mi25803+7810928+4010928+4025568(Top 96%)10808(Top 95%)10808(Top 4890%)
Half13.11 mi0.68 mi25821-1810935-710935-725942(Top 97%)11027(Top 97%)11027(Top 4990%)
25K15.53 mi2.42 mi25729+9210890+4510890+4525247(Top 95%)10652(Top 93%)10652(Top 4820%)
30K18.64 mi3.11 mi25686+4310879+1110879+1125425(Top 96%)10803(Top 95%)10803(Top 4888%)
20M20.00 mi1.36 mi25590+9610827+5210827+5224066(Top 90%)10116(Top 89%)10116(Top 4577%)
21M21.00 mi1.00 mi25486+10410779+4810779+4823210(Top 87%)9663(Top 85%)9663(Top 4372%)
35K21.75 mi0.75 mi25433+5310753+2610753+2622962(Top 86%)9578(Top 84%)9578(Top 4334%)
23M23.00 mi1.25 mi25352+8110711+4210711+4223197(Top 87%)9695(Top 85%)9695(Top 4387%)
24M24.00 mi1.00 mi25304+4810692+1910692+1924232(Top 91%)10292(Top 90%)10292(Top 4657%)
40K24.85 mi0.85 mi25256+4810670+2210670+2223408(Top 88%)9890(Top 87%)9890(Top 4475%)
25.2M25.20 mi0.35 mi25236+2010661+910661+923489(Top 88%)9929(Top 87%)9929(Top 4493%)
Finish26.22 mi1.02 mi25225+1110656+510656+524608(Top 92%)10462(Top 92%)10462(Top 4734%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25198

Females

10573

F65-69

10573

5K→10K

3.1 - 6.2 mi

Top 99%
×5stories
+79ft-138ft

Overall

26282

Females

11220

F65-69

11220

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25198

Females

10573

F65-69

10573

15K→20K

9.3 - 12.4 mi

Top 96%
×5stories
+106ft-86ft

Overall

25568

Females

10808

F65-69

10808

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

25942

Females

11027

F65-69

11027

Half→25K

13.1 - 15.5 mi

Top 95%
×4stories
+66ft-88ft

Overall

25247

Females

10652

F65-69

10652

25K→30K

15.5 - 18.6 mi

Top 96%
×9stories
+181ft-148ft

Overall

25425

Females

10803

F65-69

10803

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

24066

Females

10116

F65-69

10116

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

23210

Females

9663

F65-69

9663

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22962

Females

9578

F65-69

9578

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

23197

Females

9695

F65-69

9695

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24232

Females

10292

F65-69

10292

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

23408

Females

9890

F65-69

9890

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23489

Females

9929

F65-69

9929

25.2M→Finish

25.2 - 26.2 mi

Top 92%
×2stories
+22ft-21ft

Overall

24608

Females

10462

F65-69

10462

Passing Analysis

Category:
Athletes Passed
1063
Passed By
426
Net Change
+637
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25862
5K10K13291-278#25862#26140
10K15K2656+259#26140#25881
15K20K10729+78#25881#25803
20KHalf1129-18#25803#25821
Half25K1008+92#25821#25729
25K30K7936+43#25729#25686
30K20M960+96#25686#25590
20M21M1062+104#25590#25486
21M35K541+53#25486#25433
35K23M832+81#25433#25352
23M24M524+48#25352#25304
24M40K535+48#25304#25256
40K25.2M211+20#25256#25236
25.2MFinish2312+11#25236#25225
TOTALS1063426+637
📊

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