Jeffrey Krebs

Bib: 14387M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 50%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:09
Rank: #14564
Start5K
7:46/mi
24:09 split
10K· 6.21 mi
48:46
Rank: #15225 (-661)
5K10K
7:55/mi
24:37 split
15K· 9.32 mi
1:14:04
Rank: #15885 (-660)
10K15K
8:09/mi
25:18 split
20K· 12.43 mi
1:40:27
Rank: #16552 (-667)
15K20K
8:30/mi
26:23 split
Half· 13.11 mi
1:46:08
Rank: #16641 (-89)
20KHalf
8:20/mi
5:41 split
25K· 15.53 mi
2:07:30
Rank: #17006 (-365)
Half25K
8:49/mi
21:22 split
30K· 18.64 mi
2:36:29
Rank: #17434 (-428)
25K30K
9:20/mi
28:59 split
20M
2:49:28
Rank: #17594 (-160)
30K20M
9:33/mi
12:59 split
21M
2:59:56
Rank: #17812 (-218)
20M21M
10:28/mi
10:28 split
35K· 21.75 mi
3:06:46
Rank: #17836 (-24)
21M35K
9:08/mi
6:50 split
23M
3:18:51
Rank: #17953 (-117)
35K23M
9:39/mi
12:05 split
24M
3:28:27
Rank: #18063 (-110)
23M24M
9:36/mi
9:36 split
40K· 24.85 mi
3:37:13
Rank: #18246 (-183)
24M40K
10:15/mi
8:46 split
25.2M
3:40:56
Rank: #18292 (-46)
40K25.2M
10:47/mi
3:43 split
Finish· 26.22 mi
3:50:48
Rank: #18502 (-210)
25.2MFinish
9:41/mi
9:52 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:08
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time2:04:40
Pace9:31 /mi
📊Positive Split: 17.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1224:097:4624:09
7:46
-
10K
6.21 mi11:18:4948:467:5124:37
7:55
+0:09
15K
9.32 mi11:44:071:14:047:5725:18
8:09
+0:14
20K
12.43 mi12:10:301:40:278:0526:23
8:30
+0:21
Half
13.11 mi12:16:111:46:088:065:41
8:20
-0:10
25K
15.53 mi12:37:332:07:308:1221:22
8:49
+0:29
30K
18.64 mi13:06:322:36:298:2428:59
9:20
+0:31
20M
20.00 mi13:19:312:49:288:2812:59
9:33
+0:13
21M
21.00 mi13:29:592:59:568:3410:28
10:28
+0:55
35K
21.75 mi13:36:493:06:468:356:50
9:08
-1:20
23M
23.00 mi13:48:543:18:518:3912:05
9:39
+0:31
24M
24.00 mi13:58:303:28:278:419:36
9:36
-0:03
40K
24.85 mi14:07:163:37:138:448:46
10:15
+0:39
25.2M
25.20 mi14:10:593:40:568:463:43
10:47
+0:32
Finish
26.22 mi14:20:513:50:488:499:52
9:41
-1:06

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

7:46 /mi

Average Pace

8:49 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:30

55% of race

Time at Steady Pace

1:20:21

35% of race

Time at Slower Pace

22:57

10% of race

Average Pace: 8:48 /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 mi10:54:1224:097:4624:09
7:46
#14564
10K
6.21 mi11:18:4948:467:5124:37
7:55
#15225
15K
9.32 mi11:44:071:14:047:5725:18
8:09
#15885
20K
12.43 mi12:10:301:40:278:0526:23
8:30
#16552
Half
13.11 mi12:16:111:46:088:065:41
8:20
#16641
25K
15.53 mi12:37:332:07:308:1221:22
8:49
#17006
30K
18.64 mi13:06:322:36:298:2428:59
9:20
#17434
20M
20.00 mi13:19:312:49:288:2812:59
9:33
#17594
21M
21.00 mi13:29:592:59:568:3410:28
10:28
#17812
35K
21.75 mi13:36:493:06:468:356:50
9:08
#17836
23M
23.00 mi13:48:543:18:518:3912:05
9:39
#17953
24M
24.00 mi13:58:303:28:278:419:36
9:36
#18063
40K
24.85 mi14:07:163:37:138:448:46
10:15
#18246
25.2M
25.20 mi14:10:593:40:568:463:43
10:47
#18292
Finish
26.22 mi14:20:513:50:488:499:52
9:41
#18502
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi14564102691026917032(Top 60%)11232(Top 70%)11232(Top 892%)
10K6.21 mi3.10 mi15225-66110506-23710506-23715843(Top 56%)10767(Top 67%)10767(Top 855%)
15K9.32 mi3.11 mi15885-66010767-26110767-26117032(Top 60%)11232(Top 70%)11232(Top 892%)
20K12.43 mi3.11 mi16552-66711036-26911036-26918168(Top 64%)11687(Top 73%)11687(Top 928%)
Half13.11 mi0.68 mi16641-8911063-2711063-2718084(Top 64%)11674(Top 72%)11674(Top 927%)
25K15.53 mi2.42 mi17006-36511190-12711190-12718982(Top 67%)11961(Top 74%)11961(Top 950%)
30K18.64 mi3.11 mi17434-42811309-11911309-11919234(Top 68%)11939(Top 74%)11939(Top 948%)
20M20.00 mi1.36 mi17594-16011342-3311342-3319396(Top 68%)11871(Top 74%)11871(Top 943%)
21M21.00 mi1.00 mi17812-21811432-9011432-9019884(Top 70%)11984(Top 74%)11984(Top 952%)
35K21.75 mi0.75 mi17836-2411430+211430+218852(Top 66%)11421(Top 71%)11421(Top 907%)
23M23.00 mi1.25 mi17953-11711434-411434-419270(Top 68%)11568(Top 72%)11568(Top 919%)
24M24.00 mi1.00 mi18063-11011465-3111465-3119968(Top 70%)11851(Top 74%)11851(Top 941%)
40K24.85 mi0.85 mi18246-18311514-4911514-4921223(Top 75%)12387(Top 77%)12387(Top 984%)
25.2M25.20 mi0.35 mi18292-4611522-811522-819930(Top 70%)11752(Top 73%)11752(Top 933%)
Finish26.22 mi1.02 mi18502-21011598-7611598-7621836(Top 77%)12700(Top 79%)12700(Top 1009%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

17032

Males

11232

M60-64

11232

5K→10K

3.1 - 6.2 mi

Top 56%
×5stories
+79ft-138ft

Overall

15843

Males

10767

M60-64

10767

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

17032

Males

11232

M60-64

11232

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

18168

Males

11687

M60-64

11687

20K→Half

12.4 - 13.1 mi

Top 64%
×2stories
+19ft-37ft

Overall

18084

Males

11674

M60-64

11674

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

18982

Males

11961

M60-64

11961

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

19234

Males

11939

M60-64

11939

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19396

Males

11871

M60-64

11871

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

19884

Males

11984

M60-64

11984

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18852

Males

11421

M60-64

11421

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

19270

Males

11568

M60-64

11568

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19968

Males

11851

M60-64

11851

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21223

Males

12387

M60-64

12387

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

19930

Males

11752

M60-64

11752

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

21836

Males

12700

M60-64

12700

Passing Analysis

Category:
Athletes Passed
783
Passed By
4721
Net Change
-3938
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14564
5K10K97758-661#14564#15225
10K15K62722-660#15225#15885
15K20K68735-667#15885#16552
20KHalf16105-89#16552#16641
Half25K71436-365#16641#17006
25K30K112540-428#17006#17434
30K20M75235-160#17434#17594
20M21M44262-218#17594#17812
21M35K5882-24#17812#17836
35K23M75192-117#17836#17953
23M24M47157-110#17953#18063
24M40K29212-183#18063#18246
40K25.2M1460-46#18246#18292
25.2MFinish15225-210#18292#18502
TOTALS7834721-3938
📊

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