John Kilfeather

Bib: 29756M

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Male)
#0 / 14578
Masters (Masters Men)
#0 / 9729
Division (M50-54)
#0 / 1935
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:09
Rank: #23041
Start5K
31:09 | 10:02/mi
10K· 6.21 mi
1:02:01
Rank: #22737 (+304)
5K10K
30:52 | 9:56/mi
15K· 9.32 mi
1:34:32
Rank: #22801 (-64)
10K15K
32:31 | 10:28/mi
20K· 12.43 mi
2:10:12
Rank: #22987 (-186)
15K20K
35:40 | 11:29/mi
Half· 13.11 mi
2:17:04
Rank: #22899 (+88)
20KHalf
6:52 | 10:04/mi
25K· 15.53 mi
2:44:20
Rank: #22741 (+158)
Half25K
27:16 | 11:15/mi
30K· 18.64 mi
3:22:38
Rank: #22717 (+24)
25K30K
38:18 | 12:20/mi
20M
3:43:04
Rank: #23004 (-287)
30K20M
20:26 | 15:02/mi
21M
3:59:31
Rank: #23171 (-167)
20M21M
16:27 | 16:27/mi
35K· 21.75 mi
4:08:30
Rank: #23121 (+50)
21M35K
8:59 | 12:00/mi
23M
4:26:10
Rank: #23175 (-54)
35K23M
17:40 | 14:07/mi
24M
4:37:58
Rank: #23125 (+50)
23M24M
11:48 | 11:48/mi
40K· 24.85 mi
4:50:46
Rank: #23199 (-74)
24M40K
12:48 | 14:58/mi
25.2M
4:54:26
Rank: #23129 (+70)
40K25.2M
3:40 | 10:38/mi
Finish· 26.22 mi
5:05:31
Rank: #23085 (+44)
25.2MFinish
11:05 | 10:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:04
Pace10:27 /mi
2nd Half
Distance13.11 mi
Time2:48:27
Pace12:51 /mi
📊Positive Split: 22.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:0231:0910:0231:09
10:02
-
10K
6.21 mi12:24:541:02:019:5930:52
9:56
-0:06
15K
9.32 mi12:57:251:34:3210:0932:31
10:28
+0:32
20K
12.43 mi13:33:052:10:1210:2935:40
11:29
+1:01
Half
13.11 mi13:39:572:17:0410:276:52
10:04
-1:25
25K
15.53 mi14:07:132:44:2010:3527:16
11:15
+1:11
30K
18.64 mi14:45:313:22:3810:5238:18
12:20
+1:05
20M
20.00 mi15:05:573:43:0411:0920:26
15:02
+2:42
21M
21.00 mi15:22:243:59:3111:2416:27
16:27
+1:25
35K
21.75 mi15:31:234:08:3011:268:59
12:00
-4:27
23M
23.00 mi15:49:034:26:1011:3417:40
14:07
+2:07
24M
24.00 mi16:00:514:37:5811:3511:48
11:48
-2:19
40K
24.85 mi16:13:394:50:4611:4212:48
14:58
+3:10
25.2M
25.20 mi16:17:194:54:2611:413:40
10:38
-4:20
Finish
26.22 mi16:28:245:05:3111:4011:05
10:53
+0:15

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

9:56 /mi

Average Pace

11:40 /mi

Slowest Pace

16:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:24

33% of race

Time at Steady Pace

2:16:46

45% of race

Time at Slower Pace

1:07:21

22% of race

Average Pace: 11:39 /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 mi11:54:0231:0910:0231:09
10:02
#23041
10K
6.21 mi12:24:541:02:019:5930:52
9:56
#22737
15K
9.32 mi12:57:251:34:3210:0932:31
10:28
#22801
20K
12.43 mi13:33:052:10:1210:2935:40
11:29
#22987
Half
13.11 mi13:39:572:17:0410:276:52
10:04
#22899
25K
15.53 mi14:07:132:44:2010:3527:16
11:15
#22741
30K
18.64 mi14:45:313:22:3810:5238:18
12:20
#22717
20M
20.00 mi15:05:573:43:0411:0920:26
15:02
#23004
21M
21.00 mi15:22:243:59:3111:2416:27
16:27
#23171
35K
21.75 mi15:31:234:08:3011:268:59
12:00
#23121
23M
23.00 mi15:49:034:26:1011:3417:40
14:07
#23175
24M
24.00 mi16:00:514:37:5811:3511:48
11:48
#23125
40K
24.85 mi16:13:394:50:4611:4212:48
14:58
#23199
25.2M
25.20 mi16:17:194:54:2611:413:40
10:38
#23129
Finish
26.22 mi16:28:245:05:3111:4011:05
10:53
#23085
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi23041135791357922866(Top 89%)13468(Top 92%)13468(Top 696%)
10K6.21 mi3.10 mi22737+30413410+16913410+16922398(Top 88%)13231(Top 91%)13231(Top 684%)
15K9.32 mi3.11 mi22801-6413449-3913449-3922866(Top 89%)13468(Top 92%)13468(Top 696%)
20K12.43 mi3.11 mi22987-18613538-8913538-8923351(Top 91%)13668(Top 94%)13668(Top 706%)
Half13.11 mi0.68 mi22899+8813490+4813490+4821612(Top 85%)12831(Top 88%)12831(Top 663%)
25K15.53 mi2.42 mi22741+15813397+9313397+9321966(Top 86%)12946(Top 89%)12946(Top 669%)
30K18.64 mi3.11 mi22717+2413330+6713330+6722468(Top 88%)13035(Top 89%)13035(Top 674%)
20M20.00 mi1.36 mi23004-28713436-10613436-10624760(Top 97%)14120(Top 97%)14120(Top 730%)
21M21.00 mi1.00 mi23171-16713497-6113497-6124793(Top 97%)14114(Top 97%)14114(Top 729%)
35K21.75 mi0.75 mi23121+5013462+3513462+3521809(Top 85%)12516(Top 86%)12516(Top 647%)
23M23.00 mi1.25 mi23175-5413477-1513477-1523895(Top 94%)13605(Top 93%)13605(Top 703%)
24M24.00 mi1.00 mi23125+5013442+3513442+3521018(Top 82%)12027(Top 83%)12027(Top 622%)
40K24.85 mi0.85 mi23199-7413472-3013472-3024512(Top 96%)13883(Top 95%)13883(Top 717%)
25.2M25.20 mi0.35 mi23129+7013432+4013432+4013276(Top 52%)8047(Top 55%)8047(Top 416%)
Finish26.22 mi1.02 mi23085+4413408+2413408+2421047(Top 82%)12016(Top 82%)12016(Top 621%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

22866

Males

13468

M50-54

13468

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

22398

Males

13231

M50-54

13231

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

22866

Males

13468

M50-54

13468

15K→20K

9.3 - 12.4 mi

Top 91%
×5stories
+106ft-86ft

Overall

23351

Males

13668

M50-54

13668

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

21612

Males

12831

M50-54

12831

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

21966

Males

12946

M50-54

12946

25K→30K

15.5 - 18.6 mi

Top 88%
×9stories
+181ft-148ft

Overall

22468

Males

13035

M50-54

13035

30K→20M

18.6 - 20.0 mi

Top 97%
×5stories
+64ft-50ft

Overall

24760

Males

14120

M50-54

14120

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

24793

Males

14114

M50-54

14114

21M→35K

21.0 - 21.8 mi

Top 85%
×7stories
+17ft-86ft

Overall

21809

Males

12516

M50-54

12516

35K→23M

21.8 - 23.0 mi

Top 94%
×5stories
+23ft-63ft

Overall

23895

Males

13605

M50-54

13605

23M→24M

23.0 - 24.0 mi

Top 82%
×6stories
+12ft-82ft

Overall

21018

Males

12027

M50-54

12027

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

24512

Males

13883

M50-54

13883

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

13276

Males

8047

M50-54

8047

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21047

Males

12016

M50-54

12016

Passing Analysis

Category:
Athletes Passed
1404
Passed By
1448
Net Change
-44
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23041
5K10K38480+304#23041#22737
10K15K135199-64#22737#22801
15K20K109295-186#22801#22987
20KHalf902+88#22987#22899
Half25K20446+158#22899#22741
25K30K164140+24#22741#22717
30K20M23310-287#22717#23004
20M21M15182-167#23004#23171
21M35K566+50#23171#23121
35K23M3387-54#23121#23175
23M24M599+50#23175#23125
24M40K1084-74#23125#23199
40K25.2M700+70#23199#23129
25.2MFinish528+44#23129#23085
TOTALS14041448-44
📊

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