Joohee Lee

Bib: 21257F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:14
Rank: #20819
Start5K
9:05/mi
28:14 split
10K· 6.21 mi
53:52
Rank: #18938 (+1881)
5K10K
8:15/mi
25:38 split
15K· 9.32 mi
1:20:01
Rank: #18397 (+541)
10K15K
8:25/mi
26:09 split
20K· 12.43 mi
1:46:35
Rank: #18069 (+328)
15K20K
8:33/mi
26:34 split
Half· 13.11 mi
1:52:10
Rank: #17946 (+123)
20KHalf
8:11/mi
5:35 split
25K· 15.53 mi
2:13:27
Rank: #17896 (+50)
Half25K
8:47/mi
21:17 split
30K· 18.64 mi
2:42:57
Rank: #18227 (-331)
25K30K
9:30/mi
29:30 split
20M
2:55:19
Rank: #18133 (+94)
30K20M
9:06/mi
12:22 split
21M
3:05:21
Rank: #18125 (+8)
20M21M
10:02/mi
10:02 split
35K· 21.75 mi
3:11:59
Rank: #18096 (+29)
21M35K
8:52/mi
6:38 split
23M
3:23:30
Rank: #18040 (+56)
35K23M
9:12/mi
11:31 split
24M
3:32:46
Rank: #18068 (-28)
23M24M
9:16/mi
9:16 split
40K· 24.85 mi
3:40:43
Rank: #18055 (+13)
24M40K
9:18/mi
7:57 split
25.2M
3:44:02
Rank: #18021 (+34)
40K25.2M
9:37/mi
3:19 split
Finish· 26.22 mi
3:52:38
Rank: #17911 (+110)
25.2MFinish
8:26/mi
8:36 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:10
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:00:28
Pace9:11 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:3828:149:0528:14
9:05
-
10K
6.21 mi12:10:1653:528:4025:38
8:15
-0:50
15K
9.32 mi12:36:251:20:018:3526:09
8:25
+0:10
20K
12.43 mi13:02:591:46:358:3526:34
8:33
+0:08
Half
13.11 mi13:08:341:52:108:335:35
8:11
-0:22
25K
15.53 mi13:29:512:13:278:3521:17
8:47
+0:36
30K
18.64 mi13:59:212:42:578:4429:30
9:30
+0:43
20M
20.00 mi14:11:432:55:198:4612:22
9:06
-0:24
21M
21.00 mi14:21:453:05:218:5010:02
10:02
+0:56
35K
21.75 mi14:28:233:11:598:506:38
8:52
-1:10
23M
23.00 mi14:39:543:23:308:5111:31
9:12
+0:20
24M
24.00 mi14:49:103:32:468:529:16
9:16
+0:04
40K
24.85 mi14:57:073:40:438:537:57
9:18
+0:02
25.2M
25.20 mi15:00:263:44:028:533:19
9:37
+0:19
Finish
26.22 mi15:09:023:52:388:538:36
8:26
-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

8:11 /mi

Average Pace

8:53 /mi

Slowest Pace

10:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:49

49% of race

Time at Steady Pace

1:15:58

33% of race

Time at Slower Pace

42:51

18% of race

Average Pace: 8:52 /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 mi11:44:3828:149:0528:14
9:05
#20819
10K
6.21 mi12:10:1653:528:4025:38
8:15
#18938
15K
9.32 mi12:36:251:20:018:3526:09
8:25
#18397
20K
12.43 mi13:02:591:46:358:3526:34
8:33
#18069
Half
13.11 mi13:08:341:52:108:335:35
8:11
#17946
25K
15.53 mi13:29:512:13:278:3521:17
8:47
#17896
30K
18.64 mi13:59:212:42:578:4429:30
9:30
#18227
20M
20.00 mi14:11:432:55:198:4612:22
9:06
#18133
21M
21.00 mi14:21:453:05:218:5010:02
10:02
#18125
35K
21.75 mi14:28:233:11:598:506:38
8:52
#18096
23M
23.00 mi14:39:543:23:308:5111:31
9:12
#18040
24M
24.00 mi14:49:103:32:468:529:16
9:16
#18068
40K
24.85 mi14:57:073:40:438:537:57
9:18
#18055
25.2M
25.20 mi15:00:263:44:028:533:19
9:37
#18021
Finish
26.22 mi15:09:023:52:388:538:36
8:26
#17911
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi208198277827717264(Top 65%)6089(Top 53%)6089(Top 504%)
10K6.21 mi3.10 mi18938+18817106+11717106+117116606(Top 62%)5645(Top 49%)5645(Top 468%)
15K9.32 mi3.11 mi18397+5416745+3616745+36117264(Top 65%)6089(Top 53%)6089(Top 504%)
20K12.43 mi3.11 mi18069+3286556+1896556+18917193(Top 65%)6047(Top 53%)6047(Top 501%)
Half13.11 mi0.68 mi17946+1236485+716485+7115784(Top 59%)5190(Top 45%)5190(Top 430%)
25K15.53 mi2.42 mi17896+506478+76478+717839(Top 67%)6483(Top 57%)6483(Top 537%)
30K18.64 mi3.11 mi18227-3316703-2256703-22519421(Top 73%)7425(Top 65%)7425(Top 615%)
20M20.00 mi1.36 mi18133+946659+446659+4417084(Top 64%)6214(Top 54%)6214(Top 515%)
21M21.00 mi1.00 mi18125+86674-156674-1518156(Top 68%)6849(Top 60%)6849(Top 567%)
35K21.75 mi0.75 mi18096+296654+206654+2017312(Top 65%)6452(Top 56%)6452(Top 535%)
23M23.00 mi1.25 mi18040+566632+226632+2217069(Top 64%)6331(Top 55%)6331(Top 525%)
24M24.00 mi1.00 mi18068-286669-376669-3718346(Top 69%)7079(Top 62%)7079(Top 586%)
40K24.85 mi0.85 mi18055+136673-46673-417537(Top 66%)6702(Top 59%)6702(Top 555%)
25.2M25.20 mi0.35 mi18021+346655+186655+1815817(Top 59%)5773(Top 51%)5773(Top 478%)
Finish26.22 mi1.02 mi17911+1106601+546601+5415062(Top 57%)5297(Top 46%)5297(Top 439%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17264

Females

6089

F50-54

6089

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16606

Females

5645

F50-54

5645

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17264

Females

6089

F50-54

6089

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

17193

Females

6047

F50-54

6047

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15784

Females

5190

F50-54

5190

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17839

Females

6483

F50-54

6483

25K→30K

15.5 - 18.6 mi

Top 73%
×9story building
+181ft-148ft

Overall

19421

Females

7425

F50-54

7425

30K→20M

18.6 - 20.0 mi

Top 64%
×5story building
+64ft-50ft

Overall

17084

Females

6214

F50-54

6214

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18156

Females

6849

F50-54

6849

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

17312

Females

6452

F50-54

6452

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17069

Females

6331

F50-54

6331

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

18346

Females

7079

F50-54

7079

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17537

Females

6702

F50-54

6702

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15817

Females

5773

F50-54

5773

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15062

Females

5297

F50-54

5297

Passing Analysis

Category:
Athletes Passed
3875
Passed By
967
Net Change
+2908
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20819
5K10K189312+1881#20819#18938
10K15K58241+541#18938#18397
15K20K36941+328#18397#18069
20KHalf1241+123#18069#17946
Half25K152102+50#17946#17896
25K30K90421-331#17896#18227
30K20M13238+94#18227#18133
20M21M10597+8#18133#18125
21M35K6031+29#18125#18096
35K23M9741+56#18096#18040
23M24M4876-28#18040#18068
24M40K5441+13#18068#18055
40K25.2M4410+34#18055#18021
25.2MFinish12515+110#18021#17911
TOTALS3875967+2908
📊

Passing Visuals

Category:
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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