Alina Katsev

Bib: 10451F

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0:00
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Overall
#0 / 28404
Top 41%
Gender (Female)
#0 / 12228
Top 26%
Division (F18-39)
#0 / 5469
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:30
Rank: #9859
Start5K
22:30 | 7:15/mi
10K· 6.21 mi
45:04
Rank: #9929 (-70)
5K10K
22:34 | 7:16/mi
15K· 9.32 mi
1:07:51
Rank: #10045 (-116)
10K15K
22:47 | 7:20/mi
20K· 12.43 mi
1:31:17
Rank: #10270 (-225)
15K20K
23:26 | 7:33/mi
Half· 13.11 mi
1:36:19
Rank: #10273 (-3)
20KHalf
5:02 | 7:23/mi
25K· 15.53 mi
1:57:55
Rank: #12090 (-1817)
Half25K
21:36 | 8:55/mi
30K· 18.64 mi
2:22:32
Rank: #11789 (+301)
25K30K
24:37 | 7:55/mi
20M
2:33:54
Rank: #11866 (-77)
30K20M
11:22 | 8:22/mi
21M
2:42:58
Rank: #11971 (-105)
20M21M
9:04 | 9:04/mi
35K· 21.75 mi
2:48:56
Rank: #11952 (+19)
21M35K
5:58 | 7:59/mi
23M
2:59:51
Rank: #12122 (-170)
35K23M
10:55 | 8:43/mi
24M
3:07:31
Rank: #11950 (+172)
23M24M
7:40 | 7:40/mi
40K· 24.85 mi
3:14:19
Rank: #11848 (+102)
24M40K
6:48 | 7:57/mi
25.2M
3:17:34
Rank: #11888 (-40)
40K25.2M
3:15 | 9:25/mi
Finish· 26.22 mi
3:25:13
Rank: #11755 (+133)
25.2MFinish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:19
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:48:54
Pace8:18 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:3222:307:1522:30
7:15
-
10K
6.21 mi11:11:0645:047:1522:34
7:16
+0:01
15K
9.32 mi11:33:531:07:517:1722:47
7:20
+0:04
20K
12.43 mi11:57:191:31:177:2123:26
7:33
+0:13
Half
13.11 mi12:02:211:36:197:215:02
7:23
-0:10
25K
15.53 mi12:23:571:57:557:3521:36
8:55
+1:32
30K
18.64 mi12:48:342:22:327:3924:37
7:55
-1:00
20M
20.00 mi12:59:562:33:547:4211:22
8:22
+0:27
21M
21.00 mi13:09:002:42:587:469:04
9:04
+0:42
35K
21.75 mi13:14:582:48:567:465:58
7:59
-1:05
23M
23.00 mi13:25:532:59:517:4910:55
8:43
+0:44
24M
24.00 mi13:33:333:07:317:497:40
7:40
-1:03
40K
24.85 mi13:40:213:14:197:496:48
7:57
+0:17
25.2M
25.20 mi13:43:363:17:347:503:15
9:25
+1:28
Finish
26.22 mi13:51:153:25:137:507:39
7:30
-1:55

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

7:15 /mi

Average Pace

7:50 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:58

51% of race

Time at Steady Pace

45:03

22% of race

Time at Slower Pace

56:12

27% of race

Average Pace: 7:50 /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 mi10:48:3222:307:1522:30
7:15
#9859
10K
6.21 mi11:11:0645:047:1522:34
7:16
#9929
15K
9.32 mi11:33:531:07:517:1722:47
7:20
#10045
20K
12.43 mi11:57:191:31:177:2123:26
7:33
#10270
Half
13.11 mi12:02:211:36:197:215:02
7:23
#10273
25K
15.53 mi12:23:571:57:557:3521:36
8:55
#12090
30K
18.64 mi12:48:342:22:327:3924:37
7:55
#11789
20M
20.00 mi12:59:562:33:547:4211:22
8:22
#11866
21M
21.00 mi13:09:002:42:587:469:04
9:04
#11971
35K
21.75 mi13:14:582:48:567:465:58
7:59
#11952
23M
23.00 mi13:25:532:59:517:4910:55
8:43
#12122
24M
24.00 mi13:33:333:07:317:497:40
7:40
#11950
40K
24.85 mi13:40:213:14:197:496:48
7:57
#11848
25.2M
25.20 mi13:43:363:17:347:503:15
9:25
#11888
Finish
26.22 mi13:51:153:25:137:507:39
7:30
#11755
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi98591747174710284(Top 36%)2017(Top 16%)2017(Top 37%)
10K6.21 mi3.10 mi9929-701772-251772-2510058(Top 35%)1859(Top 15%)1859(Top 34%)
15K9.32 mi3.11 mi10045-1161864-921864-9210284(Top 36%)2017(Top 16%)2017(Top 37%)
20K12.43 mi3.11 mi10270-2251997-1331997-13311125(Top 39%)2544(Top 21%)2544(Top 47%)
Half13.11 mi0.68 mi10273-32004-72004-710768(Top 38%)2333(Top 19%)2333(Top 43%)
25K15.53 mi2.42 mi12090-18172963-9592963-95919471(Top 69%)7237(Top 59%)7237(Top 132%)
30K18.64 mi3.11 mi11789+3012894+692894+6910834(Top 38%)2707(Top 22%)2707(Top 49%)
20M20.00 mi1.36 mi11866-772960-662960-6612934(Top 46%)3932(Top 32%)3932(Top 72%)
21M21.00 mi1.00 mi11971-1053053-933053-9313899(Top 49%)4568(Top 37%)4568(Top 84%)
35K21.75 mi0.75 mi11952+193066-133066-1312126(Top 43%)3700(Top 30%)3700(Top 68%)
23M23.00 mi1.25 mi12122-1703193-1273193-12714660(Top 52%)5146(Top 42%)5146(Top 94%)
24M24.00 mi1.00 mi11950+1723143+503143+508945(Top 31%)2308(Top 19%)2308(Top 42%)
40K24.85 mi0.85 mi11848+1023129+143129+149893(Top 35%)2873(Top 23%)2873(Top 53%)
25.2M25.20 mi0.35 mi11888-403166-373166-3714163(Top 50%)5083(Top 42%)5083(Top 93%)
Finish26.22 mi1.02 mi11755+1333133+333133+339274(Top 33%)2661(Top 22%)2661(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

10284

Females

2017

F18-39

2017

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

10058

Females

1859

F18-39

1859

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

10284

Females

2017

F18-39

2017

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

11125

Females

2544

F18-39

2544

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10768

Females

2333

F18-39

2333

Half→25K

13.1 - 15.5 mi

Top 69%
×4stories
+66ft-88ft

Overall

19471

Females

7237

F18-39

7237

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10834

Females

2707

F18-39

2707

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

12934

Females

3932

F18-39

3932

20M→21M

20.0 - 21.0 mi

Top 49%
×8stories
+106ft-24ft

Overall

13899

Females

4568

F18-39

4568

21M→35K

21.0 - 21.8 mi

Top 43%
×7stories
+17ft-86ft

Overall

12126

Females

3700

F18-39

3700

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

14660

Females

5146

F18-39

5146

23M→24M

23.0 - 24.0 mi

Top 31%
×6stories
+12ft-82ft

Overall

8945

Females

2308

F18-39

2308

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9893

Females

2873

F18-39

2873

40K→25.2M

24.9 - 25.2 mi

Top 50%
×1story
+13ft-16ft

Overall

14163

Females

5083

F18-39

5083

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

9274

Females

2661

F18-39

2661

Passing Analysis

Category:
Athletes Passed
1677
Passed By
3570
Net Change
-1896
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9859
5K10K194263-70#9859#9929
10K15K137252-116#9929#10045
15K20K114338-225#10045#10270
20KHalf3538-3#10270#10273
Half25K81825-1817#10273#12090
25K30K38786+301#12090#11789
30K20M93170-77#11789#11866
20M21M77182-105#11866#11971
21M35K6748+19#11971#11952
35K23M68238-170#11952#12122
23M24M18513+172#12122#11950
24M40K13230+102#11950#11848
40K25.2M2464-40#11848#11888
25.2MFinish15623+133#11888#11755
TOTALS16773570-1896
📊

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