Katrina Cox

Bib: 24183F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 49%
Division (F55-59)
#0 / 994
Top 31%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:49
Rank: #20655
Start5K
26:49 | 8:38/mi
10K· 6.21 mi
53:41
Rank: #20611 (+44)
5K10K
26:52 | 8:39/mi
15K· 9.32 mi
1:20:36
Rank: #20470 (+141)
10K15K
26:55 | 8:40/mi
20K· 12.43 mi
1:47:39
Rank: #20207 (+263)
15K20K
27:03 | 8:42/mi
Half· 13.11 mi
1:53:32
Rank: #20181 (+26)
20KHalf
5:53 | 8:37/mi
25K· 15.53 mi
2:14:39
Rank: #19878 (+303)
Half25K
21:07 | 8:43/mi
30K· 18.64 mi
2:43:05
Rank: #19588 (+290)
25K30K
28:26 | 9:09/mi
20M
2:55:37
Rank: #19467 (+121)
30K20M
12:32 | 9:13/mi
21M
3:05:26
Rank: #19333 (+134)
20M21M
9:49 | 9:49/mi
35K· 21.75 mi
3:12:18
Rank: #19328 (+5)
21M35K
6:52 | 9:11/mi
23M
3:23:58
Rank: #19238 (+90)
35K23M
11:40 | 9:19/mi
24M
3:32:54
Rank: #19146 (+92)
23M24M
8:56 | 8:56/mi
40K· 24.85 mi
3:40:34
Rank: #19008 (+138)
24M40K
7:40 | 8:58/mi
25.2M
3:43:54
Rank: #18955 (+53)
40K25.2M
3:20 | 9:40/mi
Finish· 26.22 mi
3:52:28
Rank: #18843 (+112)
25.2MFinish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:32
Pace8:40 /mi
2nd Half
Distance13.11 mi
Time1:58:56
Pace9:04 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:0626:498:3826:49
8:38
-
10K
6.21 mi11:51:5853:418:3826:52
8:39
+0:01
15K
9.32 mi12:18:531:20:368:3926:55
8:40
+0:01
20K
12.43 mi12:45:561:47:398:4027:03
8:42
+0:02
Half
13.11 mi12:51:491:53:328:405:53
8:37
-0:05
25K
15.53 mi13:12:562:14:398:4021:07
8:43
+0:06
30K
18.64 mi13:41:222:43:058:4528:26
9:09
+0:26
20M
20.00 mi13:53:542:55:378:4712:32
9:13
+0:04
21M
21.00 mi14:03:433:05:268:509:49
9:49
+0:36
35K
21.75 mi14:10:353:12:188:516:52
9:11
-0:38
23M
23.00 mi14:22:153:23:588:5211:40
9:19
+0:08
24M
24.00 mi14:31:113:32:548:528:56
8:56
-0:23
40K
24.85 mi14:38:513:40:348:527:40
8:58
+0:02
25.2M
25.20 mi14:42:113:43:548:533:20
9:40
+0:42
Finish
26.22 mi14:50:453:52:288:528:34
8:24
-1:16

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

8:24 /mi

Average Pace

8:52 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:39

89% of race

Time at Steady Pace

24:49

11% of race

Time at Slower Pace

0:00

0% 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 mi11:25:0626:498:3826:49
8:38
#20655
10K
6.21 mi11:51:5853:418:3826:52
8:39
#20611
15K
9.32 mi12:18:531:20:368:3926:55
8:40
#20470
20K
12.43 mi12:45:561:47:398:4027:03
8:42
#20207
Half
13.11 mi12:51:491:53:328:405:53
8:37
#20181
25K
15.53 mi13:12:562:14:398:4021:07
8:43
#19878
30K
18.64 mi13:41:222:43:058:4528:26
9:09
#19588
20M
20.00 mi13:53:542:55:378:4712:32
9:13
#19467
21M
21.00 mi14:03:433:05:268:509:49
9:49
#19333
35K
21.75 mi14:10:353:12:188:516:52
9:11
#19328
23M
23.00 mi14:22:153:23:588:5211:40
9:19
#19238
24M
24.00 mi14:31:113:32:548:528:56
8:56
#19146
40K
24.85 mi14:38:513:40:348:527:40
8:58
#19008
25.2M
25.20 mi14:42:113:43:548:533:20
9:40
#18955
Finish
26.22 mi14:50:453:52:288:528:34
8:24
#18843
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi206557884788420276(Top 71%)7582(Top 62%)7582(Top 763%)
10K6.21 mi3.10 mi20611+447836+487836+4820593(Top 73%)7798(Top 64%)7798(Top 785%)
15K9.32 mi3.11 mi20470+1417734+1027734+10220276(Top 71%)7582(Top 62%)7582(Top 763%)
20K12.43 mi3.11 mi20207+2637595+1397595+13919446(Top 68%)7171(Top 59%)7171(Top 721%)
Half13.11 mi0.68 mi20181+267581+147581+1419953(Top 70%)7441(Top 61%)7441(Top 749%)
25K15.53 mi2.42 mi19878+3037412+1697412+16918470(Top 65%)6693(Top 55%)6693(Top 673%)
30K18.64 mi3.11 mi19588+2907289+1237289+12318425(Top 65%)6797(Top 56%)6797(Top 684%)
20M20.00 mi1.36 mi19467+1217245+447245+4417917(Top 63%)6666(Top 55%)6666(Top 671%)
21M21.00 mi1.00 mi19333+1347196+497196+4917575(Top 62%)6574(Top 54%)6574(Top 661%)
35K21.75 mi0.75 mi19328+57203-77203-719107(Top 67%)7502(Top 61%)7502(Top 755%)
23M23.00 mi1.25 mi19238+907181+227181+2217869(Top 63%)6926(Top 57%)6926(Top 697%)
24M24.00 mi1.00 mi19146+927152+297152+2917047(Top 60%)6529(Top 53%)6529(Top 657%)
40K24.85 mi0.85 mi19008+1387104+487104+4816156(Top 57%)6137(Top 50%)6137(Top 617%)
25.2M25.20 mi0.35 mi18955+537085+197085+1915539(Top 55%)5863(Top 48%)5863(Top 590%)
Finish26.22 mi1.02 mi18843+1127040+457040+4515676(Top 55%)5858(Top 48%)5858(Top 589%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

20276

Females

7582

F55-59

7582

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

20593

Females

7798

F55-59

7798

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

20276

Females

7582

F55-59

7582

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

19446

Females

7171

F55-59

7171

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19953

Females

7441

F55-59

7441

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18470

Females

6693

F55-59

6693

25K→30K

15.5 - 18.6 mi

Top 65%
×9stories
+181ft-148ft

Overall

18425

Females

6797

F55-59

6797

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

17917

Females

6666

F55-59

6666

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

17575

Females

6574

F55-59

6574

21M→35K

21.0 - 21.8 mi

Top 67%
×7stories
+17ft-86ft

Overall

19107

Females

7502

F55-59

7502

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17869

Females

6926

F55-59

6926

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17047

Females

6529

F55-59

6529

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16156

Females

6137

F55-59

6137

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15539

Females

5863

F55-59

5863

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

15676

Females

5858

F55-59

5858

Passing Analysis

Category:
Athletes Passed
2605
Passed By
793
Net Change
+1812
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20655
5K10K301257+44#20655#20611
10K15K270129+141#20611#20470
15K20K32057+263#20470#20207
20KHalf4519+26#20207#20181
Half25K33229+303#20181#19878
25K30K37181+290#19878#19588
30K20M16645+121#19588#19467
20M21M16430+134#19467#19333
21M35K5045+5#19333#19328
35K23M13646+90#19328#19238
23M24M11220+92#19238#19146
24M40K15113+138#19146#19008
40K25.2M585+53#19008#18955
25.2MFinish12917+112#18955#18843
TOTALS2605793+1812
📊

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