Dave Jefska

Bib: 29044M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:19
Rank: #24477
Start5K
32:19 | 10:24/mi
10K· 6.21 mi
1:04:58
Rank: #24622 (-145)
5K10K
32:39 | 10:31/mi
15K· 9.32 mi
1:38:07
Rank: #24672 (-50)
10K15K
33:09 | 10:40/mi
20K· 12.43 mi
2:15:57
Rank: #25119 (-447)
15K20K
37:50 | 12:11/mi
Half· 13.11 mi
2:23:56
Rank: #25164 (-45)
20KHalf
7:59 | 11:42/mi
25K· 15.53 mi
2:57:16
Rank: #25508 (-344)
Half25K
33:20 | 13:45/mi
30K· 18.64 mi
3:44:06
Rank: #25804 (-296)
25K30K
46:50 | 15:04/mi
20M
4:05:15
Rank: #25906 (-102)
30K20M
21:09 | 15:34/mi
21M
4:21:59
Rank: #25967 (-61)
20M21M
16:44 | 16:44/mi
35K· 21.75 mi
4:33:23
Rank: #26005 (-38)
21M35K
11:24 | 15:14/mi
23M
4:53:42
Rank: #26081 (-76)
35K23M
20:19 | 16:14/mi
24M
5:12:10
Rank: #26201 (-120)
23M24M
18:28 | 18:28/mi
40K· 24.85 mi
5:25:53
Rank: #26227 (-26)
24M40K
13:43 | 16:03/mi
25.2M
5:31:49
Rank: #26245 (-18)
40K25.2M
5:56 | 17:12/mi
Finish· 26.22 mi
5:47:02
Rank: #26287 (-42)
25.2MFinish
15:13 | 14:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:56
Pace10:59 /mi
2nd Half
Distance13.11 mi
Time3:23:06
Pace15:30 /mi
📊Positive Split: 41.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:4132:1910:2432:19
10:24
-
10K
6.21 mi12:26:201:04:5810:2732:39
10:31
+0:07
15K
9.32 mi12:59:291:38:0710:3233:09
10:40
+0:09
20K
12.43 mi13:37:192:15:5710:5637:50
12:11
+1:31
Half
13.11 mi13:45:182:23:5610:597:59
11:42
-0:29
25K
15.53 mi14:18:382:57:1611:2533:20
13:45
+2:03
30K
18.64 mi15:05:283:44:0612:0146:50
15:04
+1:19
20M
20.00 mi15:26:374:05:1512:1621:09
15:34
+0:30
21M
21.00 mi15:43:214:21:5912:2916:44
16:44
+1:10
35K
21.75 mi15:54:454:33:2312:3411:24
15:14
-1:30
23M
23.00 mi16:15:044:53:4212:4620:19
16:14
+1:00
24M
24.00 mi16:33:325:12:1013:0018:28
18:28
+2:14
40K
24.85 mi16:47:155:25:5313:0713:43
16:03
-2:25
25.2M
25.20 mi16:53:115:31:4913:105:56
17:12
+1:09
Finish
26.22 mi17:08:245:47:0213:1515:13
14:56
-2:16

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

10:24 /mi

Average Pace

13:15 /mi

Slowest Pace

18:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:57:16

51% of race

Time at Steady Pace

2:08:38

37% of race

Time at Slower Pace

41:08

12% of race

Average Pace: 13:14 /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 mi11:53:4132:1910:2432:19
10:24
#24477
10K
6.21 mi12:26:201:04:5810:2732:39
10:31
#24622
15K
9.32 mi12:59:291:38:0710:3233:09
10:40
#24672
20K
12.43 mi13:37:192:15:5710:5637:50
12:11
#25119
Half
13.11 mi13:45:182:23:5610:597:59
11:42
#25164
25K
15.53 mi14:18:382:57:1611:2533:20
13:45
#25508
30K
18.64 mi15:05:283:44:0612:0146:50
15:04
#25804
20M
20.00 mi15:26:374:05:1512:1621:09
15:34
#25906
21M
21.00 mi15:43:214:21:5912:2916:44
16:44
#25967
35K
21.75 mi15:54:454:33:2312:3411:24
15:14
#26005
23M
23.00 mi16:15:044:53:4212:4620:19
16:14
#26081
24M
24.00 mi16:33:325:12:1013:0018:28
18:28
#26201
40K
24.85 mi16:47:155:25:5313:0713:43
16:03
#26227
25.2M
25.20 mi16:53:115:31:4913:105:56
17:12
#26245
Finish
26.22 mi17:08:245:47:0213:1515:13
14:56
#26287
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi24477143151431524760(Top 93%)14415(Top 95%)14415(Top 2626%)
10K6.21 mi3.10 mi24622-14514379-6414379-6424693(Top 93%)14398(Top 95%)14398(Top 2623%)
15K9.32 mi3.11 mi24672-5014389-1014389-1024760(Top 93%)14415(Top 95%)14415(Top 2626%)
20K12.43 mi3.11 mi25119-44714572-18314572-18325754(Top 97%)14811(Top 98%)14811(Top 2698%)
Half13.11 mi0.68 mi25164-4514592-2014592-2025647(Top 96%)14753(Top 97%)14753(Top 2687%)
25K15.53 mi2.42 mi25508-34414719-12714719-12726236(Top 99%)15005(Top 99%)15005(Top 2733%)
30K18.64 mi3.11 mi25804-29614843-12414843-12426434(Top 99%)15080(Top 99%)15080(Top 2747%)
20M20.00 mi1.36 mi25906-10214886-4314886-4326435(Top 99%)15076(Top 99%)15076(Top 2746%)
21M21.00 mi1.00 mi25967-6114905-1914905-1926395(Top 99%)15054(Top 99%)15054(Top 2742%)
35K21.75 mi0.75 mi26005-3814919-1414919-1426445(Top 99%)15079(Top 99%)15079(Top 2747%)
23M23.00 mi1.25 mi26081-7614943-2414943-2426514(Top 100%)15110(Top 100%)15110(Top 2752%)
24M24.00 mi1.00 mi26201-12014991-4814991-4826602(Top 100%)15163(Top 100%)15163(Top 2762%)
40K24.85 mi0.85 mi26227-2615003-1215003-1226419(Top 99%)15052(Top 99%)15052(Top 2742%)
25.2M25.20 mi0.35 mi26245-1815012-915012-926404(Top 99%)15036(Top 99%)15036(Top 2739%)
Finish26.22 mi1.02 mi26287-4215027-1515027-1526496(Top 100%)15090(Top 99%)15090(Top 2749%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

24760

Males

14415

M65-69

14415

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

24693

Males

14398

M65-69

14398

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

24760

Males

14415

M65-69

14415

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25754

Males

14811

M65-69

14811

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

25647

Males

14753

M65-69

14753

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

26236

Males

15005

M65-69

15005

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

26434

Males

15080

M65-69

15080

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

26435

Males

15076

M65-69

15076

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

26395

Males

15054

M65-69

15054

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

26445

Males

15079

M65-69

15079

35K→23M

21.8 - 23.0 mi

Top 100%
×5stories
+23ft-63ft

Overall

26514

Males

15110

M65-69

15110

23M→24M

23.0 - 24.0 mi

Top 100%
×6stories
+12ft-82ft

Overall

26602

Males

15163

M65-69

15163

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26419

Males

15052

M65-69

15052

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26404

Males

15036

M65-69

15036

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2stories
+22ft-21ft

Overall

26496

Males

15090

M65-69

15090

Passing Analysis

Category:
Athletes Passed
276
Passed By
2086
Net Change
-1810
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24477
5K10K122267-145#24477#24622
10K15K100150-50#24622#24672
15K20K14461-447#24672#25119
20KHalf651-45#25119#25164
Half25K5349-344#25164#25508
25K30K9305-296#25508#25804
30K20M3105-102#25804#25906
20M21M768-61#25906#25967
21M35K442-38#25967#26005
35K23M278-76#26005#26081
23M24M0120-120#26081#26201
24M40K127-26#26201#26227
40K25.2M119-18#26227#26245
25.2MFinish244-42#26245#26287
TOTALS2762086-1810
📊

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