David Marhefka

Bib: 8865M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 23%
Gender (Male)
#0 / 14578
Top 34%
Masters (Masters Men)
#0 / 9729
Top 23%
Division (M45-49)
#0 / 2218
Top 32%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:30
Rank: #8720
Start5K
22:30 | 7:15/mi
10K· 6.21 mi
45:24
Rank: #8945 (-225)
5K10K
22:54 | 7:22/mi
15K· 9.32 mi
1:08:09
Rank: #8691 (+254)
10K15K
22:45 | 7:19/mi
20K· 12.43 mi
1:31:08
Rank: #8355 (+336)
15K20K
22:59 | 7:24/mi
Half· 13.11 mi
1:36:02
Rank: #8276 (+79)
20KHalf
4:54 | 7:11/mi
25K· 15.53 mi
1:54:08
Rank: #7948 (+328)
Half25K
18:06 | 7:28/mi
30K· 18.64 mi
2:18:13
Rank: #7549 (+399)
25K30K
24:05 | 7:45/mi
20M
2:28:38
Rank: #7274 (+275)
30K20M
10:25 | 7:40/mi
21M
2:36:40
Rank: #6943 (+331)
20M21M
8:02 | 8:02/mi
35K· 21.75 mi
2:42:30
Rank: #6868 (+75)
21M35K
5:50 | 7:48/mi
23M
2:52:00
Rank: #6548 (+320)
35K23M
9:30 | 7:35/mi
24M
2:59:39
Rank: #6400 (+148)
23M24M
7:39 | 7:39/mi
40K· 24.85 mi
3:06:09
Rank: #6227 (+173)
24M40K
6:30 | 7:36/mi
25.2M
3:08:56
Rank: #6124 (+103)
40K25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:16:06
Rank: #5951 (+173)
25.2MFinish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:02
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:40:04
Pace7:38 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:2422:307:1522:30
7:15
-
10K
6.21 mi11:11:1845:247:1822:54
7:22
+0:07
15K
9.32 mi11:34:031:08:097:1922:45
7:19
-0:03
20K
12.43 mi11:57:021:31:087:2022:59
7:24
+0:05
Half
13.11 mi12:01:561:36:027:204:54
7:11
-0:13
25K
15.53 mi12:20:021:54:087:2118:06
7:28
+0:17
30K
18.64 mi12:44:072:18:137:2524:05
7:45
+0:17
20M
20.00 mi12:54:322:28:387:2610:25
7:40
-0:05
21M
21.00 mi13:02:342:36:407:288:02
8:02
+0:22
35K
21.75 mi13:08:242:42:307:285:50
7:48
-0:14
23M
23.00 mi13:17:542:52:007:299:30
7:35
-0:13
24M
24.00 mi13:25:332:59:397:297:39
7:39
+0:04
40K
24.85 mi13:32:033:06:097:296:30
7:36
-0:03
25.2M
25.20 mi13:34:503:08:567:302:47
8:04
+0:28
Finish
26.22 mi13:42:003:16:067:297:10
7:02
-1:02

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

7:02 /mi

Average Pace

7:29 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:22

79% of race

Time at Steady Pace

40:44

21% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi10:48:2422:307:1522:30
7:15
#8720
10K
6.21 mi11:11:1845:247:1822:54
7:22
#8945
15K
9.32 mi11:34:031:08:097:1922:45
7:19
#8691
20K
12.43 mi11:57:021:31:087:2022:59
7:24
#8355
Half
13.11 mi12:01:561:36:027:204:54
7:11
#8276
25K
15.53 mi12:20:021:54:087:2118:06
7:28
#7948
30K
18.64 mi12:44:072:18:137:2524:05
7:45
#7549
20M
20.00 mi12:54:322:28:387:2610:25
7:40
#7274
21M
21.00 mi13:02:342:36:407:288:02
8:02
#6943
35K
21.75 mi13:08:242:42:307:285:50
7:48
#6868
23M
23.00 mi13:17:542:52:007:299:30
7:35
#6548
24M
24.00 mi13:25:332:59:397:297:39
7:39
#6400
40K
24.85 mi13:32:033:06:097:296:30
7:36
#6227
25.2M
25.20 mi13:34:503:08:567:302:47
8:04
#6124
Finish
26.22 mi13:42:003:16:067:297:10
7:02
#5951
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8720724172418300(Top 32%)6894(Top 47%)6894(Top 311%)
10K6.21 mi3.10 mi8945-2257331-907331-909195(Top 36%)7442(Top 51%)7442(Top 336%)
15K9.32 mi3.11 mi8691+2547170+1617170+1618300(Top 32%)6894(Top 47%)6894(Top 311%)
20K12.43 mi3.11 mi8355+3366950+2206950+2207606(Top 30%)6361(Top 44%)6361(Top 287%)
Half13.11 mi0.68 mi8276+796898+526898+526806(Top 27%)5851(Top 40%)5851(Top 264%)
25K15.53 mi2.42 mi7948+3286661+2376661+2376758(Top 26%)5669(Top 39%)5669(Top 256%)
30K18.64 mi3.11 mi7549+3996336+3256336+3256407(Top 25%)5268(Top 36%)5268(Top 238%)
20M20.00 mi1.36 mi7274+2756127+2096127+2095037(Top 20%)4276(Top 29%)4276(Top 193%)
21M21.00 mi1.00 mi6943+3315864+2635864+2634301(Top 17%)3654(Top 25%)3654(Top 165%)
35K21.75 mi0.75 mi6868+755788+765788+766559(Top 26%)4991(Top 34%)4991(Top 225%)
23M23.00 mi1.25 mi6548+3205537+2515537+2513956(Top 15%)3356(Top 23%)3356(Top 151%)
24M24.00 mi1.00 mi6400+1485405+1325405+1324777(Top 19%)3783(Top 26%)3783(Top 171%)
40K24.85 mi0.85 mi6227+1735247+1585247+1583922(Top 15%)3166(Top 22%)3166(Top 143%)
25.2M25.20 mi0.35 mi6124+1035165+825165+822977(Top 12%)2514(Top 17%)2514(Top 113%)
Finish26.22 mi1.02 mi5951+1735026+1395026+1393284(Top 13%)2727(Top 19%)2727(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8300

Males

6894

M45-49

6894

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9195

Males

7442

M45-49

7442

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8300

Males

6894

M45-49

6894

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

7606

Males

6361

M45-49

6361

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

6806

Males

5851

M45-49

5851

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6758

Males

5669

M45-49

5669

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6407

Males

5268

M45-49

5268

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5037

Males

4276

M45-49

4276

20M→21M

20.0 - 21.0 mi

Top 17%
×8stories
+106ft-24ft

Overall

4301

Males

3654

M45-49

3654

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6559

Males

4991

M45-49

4991

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3956

Males

3356

M45-49

3356

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

4777

Males

3783

M45-49

3783

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3922

Males

3166

M45-49

3166

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

2977

Males

2514

M45-49

2514

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3284

Males

2727

M45-49

2727

Passing Analysis

Category:
Athletes Passed
3442
Passed By
673
Net Change
+2769
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8720
5K10K151376-225#8720#8945
10K15K32369+254#8945#8691
15K20K38044+336#8691#8355
20KHalf834+79#8355#8276
Half25K36133+328#8276#7948
25K30K45960+399#7948#7549
30K20M2816+275#7549#7274
20M21M3398+331#7274#6943
21M35K10631+75#6943#6868
35K23M3233+320#6868#6548
23M24M17224+148#6548#6400
24M40K1807+173#6400#6227
40K25.2M1030+103#6227#6124
25.2MFinish1818+173#6124#5951
TOTALS3442673+2769
📊

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