Kathryn Grebing

Bib: 30439F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
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
34:30
Rank: #25820
Start5K
11:06/mi
34:30 split
10K· 6.21 mi
1:10:39
Rank: #25990 (-170)
5K10K
11:38/mi
36:09 split
15K· 9.32 mi
1:47:07
Rank: #25972 (+18)
10K15K
11:44/mi
36:28 split
20K· 12.43 mi
2:25:28
Rank: #25960 (+12)
15K20K
12:21/mi
38:21 split
Half· 13.11 mi
2:33:47
Rank: #25956 (+4)
20KHalf
12:11/mi
8:19 split
25K· 15.53 mi
3:04:17
Rank: #25907 (+49)
Half25K
12:35/mi
30:30 split
30K· 18.64 mi
3:48:05
Rank: #25973 (-66)
25K30K
14:06/mi
43:48 split
20M
4:05:37
Rank: #25923 (+50)
30K20M
12:54/mi
17:32 split
21M
4:18:53
Rank: #25856 (+67)
20M21M
13:16/mi
13:16 split
35K· 21.75 mi
4:27:50
Rank: #25827 (+29)
21M35K
11:58/mi
8:57 split
23M
4:43:37
Rank: #25780 (+47)
35K23M
12:36/mi
15:47 split
24M
4:56:08
Rank: #25760 (+20)
23M24M
12:31/mi
12:31 split
40K· 24.85 mi
5:06:34
Rank: #25722 (+38)
24M40K
12:12/mi
10:26 split
25.2M
5:11:52
Rank: #25731 (-9)
40K25.2M
15:22/mi
5:18 split
Finish· 26.22 mi
5:22:17
Rank: #25674 (+57)
25.2MFinish
10:13/mi
10:25 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:33:47
Pace11:44 /mi
2nd Half
Distance13.11 mi
Time2:48:30
Pace12:51 /mi
📊Positive Split: 9.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:2434:3011:0634:30
11:06
-
10K
6.21 mi12:34:331:10:3911:2236:09
11:38
+0:32
15K
9.32 mi13:11:011:47:0711:3036:28
11:44
+0:06
20K
12.43 mi13:49:222:25:2811:4238:21
12:21
+0:37
Half
13.11 mi13:57:412:33:4711:448:19
12:11
-0:10
25K
15.53 mi14:28:113:04:1711:5230:30
12:35
+0:24
30K
18.64 mi15:11:593:48:0512:1443:48
14:06
+1:31
20M
20.00 mi15:29:314:05:3712:1717:32
12:54
-1:12
21M
21.00 mi15:42:474:18:5312:2013:16
13:16
+0:22
35K
21.75 mi15:51:444:27:5012:198:57
11:58
-1:18
23M
23.00 mi16:07:314:43:3712:2015:47
12:36
+0:38
24M
24.00 mi16:20:024:56:0812:2012:31
12:31
-0:05
40K
24.85 mi16:30:285:06:3412:2010:26
12:12
-0:19
25.2M
25.20 mi16:35:465:11:5212:235:18
15:22
+3:10
Finish
26.22 mi16:46:115:22:1712:1810:25
10:13
-5:09

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

10:13 /mi

Average Pace

12:18 /mi

Slowest Pace

15:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:32

36% of race

Time at Steady Pace

2:22:23

44% of race

Time at Slower Pace

1:02:22

19% of race

Average Pace: 12:17 /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 mi11:58:2434:3011:0634:30
11:06
#25820
10K
6.21 mi12:34:331:10:3911:2236:09
11:38
#25990
15K
9.32 mi13:11:011:47:0711:3036:28
11:44
#25972
20K
12.43 mi13:49:222:25:2811:4238:21
12:21
#25960
Half
13.11 mi13:57:412:33:4711:448:19
12:11
#25956
25K
15.53 mi14:28:113:04:1711:5230:30
12:35
#25907
30K
18.64 mi15:11:593:48:0512:1443:48
14:06
#25973
20M
20.00 mi15:29:314:05:3712:1717:32
12:54
#25923
21M
21.00 mi15:42:474:18:5312:2013:16
13:16
#25856
35K
21.75 mi15:51:444:27:5012:198:57
11:58
#25827
23M
23.00 mi16:07:314:43:3712:2015:47
12:36
#25780
24M
24.00 mi16:20:024:56:0812:2012:31
12:31
#25760
40K
24.85 mi16:30:285:06:3412:2010:26
12:12
#25722
25.2M
25.20 mi16:35:465:11:5212:235:18
15:22
#25731
Finish
26.22 mi16:46:115:22:1712:1810:25
10:13
#25674
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25820109351093525895(Top 97%)10982(Top 96%)10982(Top 225%)
10K6.21 mi3.10 mi25990-17011036-10111036-10126064(Top 98%)11079(Top 97%)11079(Top 227%)
15K9.32 mi3.11 mi25972+1811026+1011026+1025895(Top 97%)10982(Top 96%)10982(Top 225%)
20K12.43 mi3.11 mi25960+1211015+1111015+1125856(Top 97%)10971(Top 96%)10971(Top 225%)
Half13.11 mi0.68 mi25956+411009+611009+625994(Top 98%)11056(Top 97%)11056(Top 226%)
25K15.53 mi2.42 mi25907+4910993+1610993+1625616(Top 96%)10860(Top 95%)10860(Top 222%)
30K18.64 mi3.11 mi25973-6611039-4611039-4626081(Top 98%)11140(Top 98%)11140(Top 228%)
20M20.00 mi1.36 mi25923+5011006+3311006+3325099(Top 94%)10655(Top 93%)10655(Top 218%)
21M21.00 mi1.00 mi25856+6710977+2910977+2924366(Top 92%)10281(Top 90%)10281(Top 211%)
35K21.75 mi0.75 mi25827+2910963+1410963+1424665(Top 93%)10491(Top 92%)10491(Top 215%)
23M23.00 mi1.25 mi25780+4710944+1910944+1924708(Top 93%)10494(Top 92%)10494(Top 215%)
24M24.00 mi1.00 mi25760+2010934+1010934+1025071(Top 94%)10726(Top 94%)10726(Top 220%)
40K24.85 mi0.85 mi25722+3810920+1410920+1424133(Top 91%)10248(Top 90%)10248(Top 210%)
25.2M25.20 mi0.35 mi25731-910925-510925-525883(Top 97%)11115(Top 97%)11115(Top 228%)
Finish26.22 mi1.02 mi25674+5710894+3110894+3122376(Top 84%)9322(Top 82%)9322(Top 191%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

25895

Females

10982

F18-39

10982

5K→10K

3.1 - 6.2 mi

Top 98%
×5stories
+79ft-138ft

Overall

26064

Females

11079

F18-39

11079

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

25895

Females

10982

F18-39

10982

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25856

Females

10971

F18-39

10971

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

25994

Females

11056

F18-39

11056

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

25616

Females

10860

F18-39

10860

25K→30K

15.5 - 18.6 mi

Top 98%
×9stories
+181ft-148ft

Overall

26081

Females

11140

F18-39

11140

30K→20M

18.6 - 20.0 mi

Top 94%
×5stories
+64ft-50ft

Overall

25099

Females

10655

F18-39

10655

20M→21M

20.0 - 21.0 mi

Top 92%
×8stories
+106ft-24ft

Overall

24366

Females

10281

F18-39

10281

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

24665

Females

10491

F18-39

10491

35K→23M

21.8 - 23.0 mi

Top 93%
×5stories
+23ft-63ft

Overall

24708

Females

10494

F18-39

10494

23M→24M

23.0 - 24.0 mi

Top 94%
×6stories
+12ft-82ft

Overall

25071

Females

10726

F18-39

10726

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

24133

Females

10248

F18-39

10248

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

25883

Females

11115

F18-39

11115

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22376

Females

9322

F18-39

9322

Passing Analysis

Category:
Athletes Passed
618
Passed By
472
Net Change
+146
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25820
5K10K48218-170#25820#25990
10K15K7456+18#25990#25972
15K20K5947+12#25972#25960
20KHalf1713+4#25960#25956
Half25K6819+49#25956#25907
25K30K2894-66#25907#25973
30K20M544+50#25973#25923
20M21M681+67#25923#25856
21M35K301+29#25856#25827
35K23M492+47#25827#25780
23M24M233+20#25780#25760
24M40K402+38#25760#25722
40K25.2M110-9#25722#25731
25.2MFinish592+57#25731#25674
TOTALS618472+146
📊

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