Song Kim

Bib: 6714F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:44
Rank: #10936
Start5K
23:44 | 7:38/mi
10K· 6.21 mi
47:18
Rank: #11029 (-93)
5K10K
23:34 | 7:35/mi
15K· 9.32 mi
1:11:57
Rank: #11960 (-931)
10K15K
24:39 | 7:56/mi
20K· 12.43 mi
1:35:45
Rank: #11577 (+383)
15K20K
23:48 | 7:40/mi
Half· 13.11 mi
1:40:49
Rank: #11464 (+113)
20KHalf
5:04 | 7:26/mi
25K· 15.53 mi
2:03:33
Rank: #13494 (-2030)
Half25K
22:44 | 9:23/mi
30K· 18.64 mi
2:32:05
Rank: #14516 (-1022)
25K30K
28:32 | 9:11/mi
20M
2:42:45
Rank: #14136 (+380)
30K20M
10:40 | 7:51/mi
21M
2:50:44
Rank: #13694 (+442)
20M21M
7:59 | 7:59/mi
35K· 21.75 mi
2:56:21
Rank: #13480 (+214)
21M35K
5:37 | 7:30/mi
23M
3:09:01
Rank: #14083 (-603)
35K23M
12:40 | 10:07/mi
24M
3:16:30
Rank: #13775 (+308)
23M24M
7:29 | 7:29/mi
40K· 24.85 mi
3:23:56
Rank: #13804 (-29)
24M40K
7:26 | 8:42/mi
25.2M
3:26:34
Rank: #13624 (+180)
40K25.2M
2:38 | 7:38/mi
Finish· 26.22 mi
3:33:23
Rank: #13158 (+466)
25.2MFinish
6:49 | 6:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:49
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:52:34
Pace8:35 /mi
📊Positive Split: 11.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0823:447:3823:44
7:38
-
10K
6.21 mi10:52:4247:187:3723:34
7:35
-0:03
15K
9.32 mi11:17:211:11:577:4324:39
7:56
+0:21
20K
12.43 mi11:41:091:35:457:4223:48
7:40
-0:16
Half
13.11 mi11:46:131:40:497:415:04
7:26
-0:14
25K
15.53 mi12:08:572:03:337:5722:44
9:23
+1:57
30K
18.64 mi12:37:292:32:058:1028:32
9:11
-0:12
20M
20.00 mi12:48:092:42:458:0810:40
7:51
-1:20
21M
21.00 mi12:56:082:50:448:087:59
7:59
+0:08
35K
21.75 mi13:01:452:56:218:075:37
7:30
-0:29
23M
23.00 mi13:14:253:09:018:1312:40
10:07
+2:37
24M
24.00 mi13:21:543:16:308:117:29
7:29
-2:38
40K
24.85 mi13:29:203:23:568:127:26
8:42
+1:13
25.2M
25.20 mi13:31:583:26:348:122:38
7:38
-1:04
Finish
26.22 mi13:38:473:33:238:096:49
6:41
-0:57

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

6:41 /mi

Average Pace

8:09 /mi

Slowest Pace

10:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

6:49

3% of race

Time at Steady Pace

2:15:12

63% of race

Time at Slower Pace

1:11:22

33% of race

Average Pace: 8:08 /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 mi10:29:0823:447:3823:44
7:38
#10936
10K
6.21 mi10:52:4247:187:3723:34
7:35
#11029
15K
9.32 mi11:17:211:11:577:4324:39
7:56
#11960
20K
12.43 mi11:41:091:35:457:4223:48
7:40
#11577
Half
13.11 mi11:46:131:40:497:415:04
7:26
#11464
25K
15.53 mi12:08:572:03:337:5722:44
9:23
#13494
30K
18.64 mi12:37:292:32:058:1028:32
9:11
#14516
20M
20.00 mi12:48:092:42:458:0810:40
7:51
#14136
21M
21.00 mi12:56:082:50:448:087:59
7:59
#13694
35K
21.75 mi13:01:452:56:218:075:37
7:30
#13480
23M
23.00 mi13:14:253:09:018:1312:40
10:07
#14083
24M
24.00 mi13:21:543:16:308:117:29
7:29
#13775
40K
24.85 mi13:29:203:23:568:127:26
8:42
#13804
25.2M
25.20 mi13:31:583:26:348:122:38
7:38
#13624
Finish
26.22 mi13:38:473:33:238:096:49
6:41
#13158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi109362302230213872(Top 52%)4012(Top 35%)4012(Top 82%)
10K6.21 mi3.10 mi11029-932346-442346-4411212(Top 42%)2444(Top 21%)2444(Top 50%)
15K9.32 mi3.11 mi11960-9312872-5262872-52613872(Top 52%)4012(Top 35%)4012(Top 82%)
20K12.43 mi3.11 mi11577+3832669+2032669+20310615(Top 40%)2214(Top 19%)2214(Top 45%)
Half13.11 mi0.68 mi11464+1132604+652604+659717(Top 36%)1788(Top 16%)1788(Top 37%)
25K15.53 mi2.42 mi13494-20303803-11993803-119920436(Top 77%)7948(Top 70%)7948(Top 163%)
30K18.64 mi3.11 mi14516-10224457-6544457-65418091(Top 68%)6701(Top 59%)6701(Top 137%)
20M20.00 mi1.36 mi14136+3804251+2064251+2069265(Top 35%)1924(Top 17%)1924(Top 39%)
21M21.00 mi1.00 mi13694+4423985+2663985+2667299(Top 27%)1249(Top 11%)1249(Top 26%)
35K21.75 mi0.75 mi13480+2143872+1133872+1138653(Top 33%)1772(Top 16%)1772(Top 36%)
23M23.00 mi1.25 mi14083-6034278-4064278-40620342(Top 76%)8148(Top 71%)8148(Top 167%)
24M24.00 mi1.00 mi13775+3084116+1624116+1627644(Top 29%)1549(Top 14%)1549(Top 32%)
40K24.85 mi0.85 mi13804-294148-324148-3214478(Top 54%)5008(Top 44%)5008(Top 103%)
25.2M25.20 mi0.35 mi13624+1804042+1064042+1064670(Top 18%)642(Top 6%)642(Top 13%)
Finish26.22 mi1.02 mi13158+4663792+2503792+2503502(Top 13%)372(Top 3%)372(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21stories
+97ft-345ft

Overall

13872

Females

4012

F18-39

4012

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11212

Females

2444

F18-39

2444

10K→15K

6.2 - 9.3 mi

Top 52%
×3stories
+67ft-78ft

Overall

13872

Females

4012

F18-39

4012

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10615

Females

2214

F18-39

2214

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9717

Females

1788

F18-39

1788

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

20436

Females

7948

F18-39

7948

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

18091

Females

6701

F18-39

6701

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9265

Females

1924

F18-39

1924

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7299

Females

1249

F18-39

1249

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8653

Females

1772

F18-39

1772

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

20342

Females

8148

F18-39

8148

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7644

Females

1549

F18-39

1549

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14478

Females

5008

F18-39

5008

40K→25.2M

24.9 - 25.2 mi

Top 18%
×1story
+13ft-16ft

Overall

4670

Females

642

F18-39

642

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3502

Females

372

F18-39

372

Passing Analysis

Category:
Athletes Passed
2895
Passed By
5117
Net Change
-2222
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10936
5K10K253346-93#10936#11029
10K15K23954-931#11029#11960
15K20K41633+383#11960#11577
20KHalf1141+113#11577#11464
Half25K22032-2030#11464#13494
25K30K291051-1022#13494#14516
30K20M3822+380#14516#14136
20M21M4420+442#14136#13694
21M35K2151+214#13694#13480
35K23M12615-603#13480#14083
23M24M3080+308#14083#13775
24M40K5382-29#13775#13804
40K25.2M1800+180#13804#13624
25.2MFinish4660+466#13624#13158
TOTALS28955117-2222
📊

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