Katelyn Kirston

Bib: 16609F

CA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:35
Rank: #13989
Start5K
7:55/mi
24:35 split
10K· 6.21 mi
49:57
Rank: #14710 (-721)
5K10K
8:10/mi
25:22 split
15K· 9.32 mi
1:17:10
Rank: #15784 (-1074)
10K15K
8:46/mi
27:13 split
20K· 12.43 mi
1:45:49
Rank: #16507 (-723)
15K20K
9:13/mi
28:39 split
Half· 13.11 mi
1:51:59
Rank: #16625 (-118)
20KHalf
9:02/mi
6:10 split
25K· 15.53 mi
2:16:30
Rank: #17305 (-680)
Half25K
10:07/mi
24:31 split
30K· 18.64 mi
2:49:47
Rank: #17857 (-552)
25K30K
10:43/mi
33:17 split
20M
3:04:40
Rank: #18041 (-184)
30K20M
10:57/mi
14:53 split
21M
3:17:24
Rank: #18242 (-201)
20M21M
12:44/mi
12:44 split
35K· 21.75 mi
3:25:04
Rank: #18223 (+19)
21M35K
10:15/mi
7:40 split
23M
3:39:15
Rank: #18268 (-45)
35K23M
11:20/mi
14:11 split
24M
3:50:11
Rank: #18297 (-29)
23M24M
10:56/mi
10:56 split
40K· 24.85 mi
4:00:54
Rank: #18456 (-159)
24M40K
12:32/mi
10:43 split
25.2M
4:05:31
Rank: #18482 (-26)
40K25.2M
13:23/mi
4:37 split
Finish· 26.22 mi
4:16:03
Rank: #18498 (-16)
25.2MFinish
10:20/mi
10:32 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:59
Pace8:33 /mi
2nd Half
Distance13.11 mi
Time2:24:04
Pace10:59 /mi
📊Positive Split: 28.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0024:357:5524:35
7:55
-
10K
6.21 mi11:40:2249:578:0225:22
8:10
+0:15
15K
9.32 mi12:07:351:17:108:1727:13
8:46
+0:36
20K
12.43 mi12:36:141:45:498:3128:39
9:13
+0:27
Half
13.11 mi12:42:241:51:598:336:10
9:02
-0:11
25K
15.53 mi13:06:552:16:308:4724:31
10:07
+1:05
30K
18.64 mi13:40:122:49:479:0633:17
10:43
+0:36
20M
20.00 mi13:55:053:04:409:1414:53
10:57
+0:14
21M
21.00 mi14:07:493:17:249:2412:44
12:44
+1:47
35K
21.75 mi14:15:293:25:049:267:40
10:15
-2:29
23M
23.00 mi14:29:403:39:159:3214:11
11:20
+1:05
24M
24.00 mi14:40:363:50:119:3510:56
10:56
-0:24
40K
24.85 mi14:51:194:00:549:4210:43
12:32
+1:36
25.2M
25.20 mi14:55:564:05:319:454:37
13:23
+0:51
Finish
26.22 mi15:06:284:16:039:4610:32
10:20
-3:03

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

7:55 /mi

Average Pace

9:46 /mi

Slowest Pace

13:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:59

44% of race

Time at Steady Pace

1:41:49

40% of race

Time at Slower Pace

42:15

17% of race

Average Pace: 9:46 /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 mi11:15:0024:357:5524:35
7:55
#13989
10K
6.21 mi11:40:2249:578:0225:22
8:10
#14710
15K
9.32 mi12:07:351:17:108:1727:13
8:46
#15784
20K
12.43 mi12:36:141:45:498:3128:39
9:13
#16507
Half
13.11 mi12:42:241:51:598:336:10
9:02
#16625
25K
15.53 mi13:06:552:16:308:4724:31
10:07
#17305
30K
18.64 mi13:40:122:49:479:0633:17
10:43
#17857
20M
20.00 mi13:55:053:04:409:1414:53
10:57
#18041
21M
21.00 mi14:07:493:17:249:2412:44
12:44
#18242
35K
21.75 mi14:15:293:25:049:267:40
10:15
#18223
23M
23.00 mi14:29:403:39:159:3214:11
11:20
#18268
24M
24.00 mi14:40:363:50:119:3510:56
10:56
#18297
40K
24.85 mi14:51:194:00:549:4210:43
12:32
#18456
25.2M
25.20 mi14:55:564:05:319:454:37
13:23
#18482
Finish
26.22 mi15:06:284:16:039:4610:32
10:20
#18498
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi139894307430717788(Top 70%)6592(Top 60%)6592(Top 141%)
10K6.21 mi3.10 mi14710-7214757-4504757-45015328(Top 60%)5122(Top 47%)5122(Top 110%)
15K9.32 mi3.11 mi15784-10745434-6775434-67717788(Top 70%)6592(Top 60%)6592(Top 141%)
20K12.43 mi3.11 mi16507-7235862-4285862-42818275(Top 72%)6859(Top 63%)6859(Top 147%)
Half13.11 mi0.68 mi16625-1185945-835945-8318482(Top 72%)7051(Top 65%)7051(Top 151%)
25K15.53 mi2.42 mi17305-6806375-4306375-43019409(Top 76%)7590(Top 69%)7590(Top 163%)
30K18.64 mi3.11 mi17857-5526757-3826757-38219300(Top 76%)7743(Top 71%)7743(Top 166%)
20M20.00 mi1.36 mi18041-1846887-1306887-13019175(Top 75%)7790(Top 71%)7790(Top 167%)
21M21.00 mi1.00 mi18242-2017014-1277014-12720288(Top 79%)8468(Top 78%)8468(Top 182%)
35K21.75 mi0.75 mi18223+197022-87022-817897(Top 70%)7283(Top 67%)7283(Top 156%)
23M23.00 mi1.25 mi18268-457068-467068-4619249(Top 75%)8014(Top 73%)8014(Top 172%)
24M24.00 mi1.00 mi18297-297112-447112-4419061(Top 75%)7983(Top 73%)7983(Top 171%)
40K24.85 mi0.85 mi18456-1597210-987210-9821476(Top 84%)9210(Top 84%)9210(Top 198%)
25.2M25.20 mi0.35 mi18482-267242-327242-3220504(Top 80%)8765(Top 80%)8765(Top 188%)
Finish26.22 mi1.02 mi18498-167275-337275-3319530(Top 76%)8238(Top 75%)8238(Top 177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

17788

Females

6592

F18-39

6592

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

15328

Females

5122

F18-39

5122

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

17788

Females

6592

F18-39

6592

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

18275

Females

6859

F18-39

6859

20K→Half

12.4 - 13.1 mi

Top 72%
×2stories
+19ft-37ft

Overall

18482

Females

7051

F18-39

7051

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

19409

Females

7590

F18-39

7590

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

19300

Females

7743

F18-39

7743

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

19175

Females

7790

F18-39

7790

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

20288

Females

8468

F18-39

8468

21M→35K

21.0 - 21.8 mi

Top 70%
×7stories
+17ft-86ft

Overall

17897

Females

7283

F18-39

7283

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

19249

Females

8014

F18-39

8014

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

19061

Females

7983

F18-39

7983

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

21476

Females

9210

F18-39

9210

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

20504

Females

8765

F18-39

8765

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2stories
+22ft-21ft

Overall

19530

Females

8238

F18-39

8238

Passing Analysis

Category:
Athletes Passed
854
Passed By
5363
Net Change
-4509
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13989
5K10K94815-721#13989#14710
10K15K501124-1074#14710#15784
15K20K85808-723#15784#16507
20KHalf16134-118#16507#16625
Half25K68748-680#16625#17305
25K30K114666-552#17305#17857
30K20M60244-184#17857#18041
20M21M49250-201#18041#18242
21M35K7051+19#18242#18223
35K23M79124-45#18223#18268
23M24M6493-29#18268#18297
24M40K23182-159#18297#18456
40K25.2M2450-26#18456#18482
25.2MFinish5874-16#18482#18498
TOTALS8545363-4509
📊

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