Gerwin Witlox

Bib: 30706M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:57
Rank: #20423
Start5K
27:57 | 9:00/mi
10K· 6.21 mi
54:46
Rank: #19752 (+671)
5K10K
26:49 | 8:38/mi
15K· 9.32 mi
1:21:39
Rank: #19392 (+360)
10K15K
26:53 | 8:39/mi
20K· 12.43 mi
1:49:09
Rank: #19237 (+155)
15K20K
27:30 | 8:51/mi
Half· 13.11 mi
1:55:12
Rank: #19253 (-16)
20KHalf
6:03 | 8:52/mi
25K· 15.53 mi
2:18:19
Rank: #19642 (-389)
Half25K
23:07 | 9:32/mi
30K· 18.64 mi
2:52:12
Rank: #20598 (-956)
25K30K
33:53 | 10:54/mi
20M
3:08:56
Rank: #21109 (-511)
30K20M
16:44 | 12:19/mi
21M
3:23:50
Rank: #21667 (-558)
20M21M
14:54 | 14:54/mi
35K· 21.75 mi
3:31:37
Rank: #21702 (-35)
21M35K
7:47 | 10:24/mi
23M
3:46:51
Rank: #21922 (-220)
35K23M
15:14 | 12:10/mi
24M
3:57:35
Rank: #21947 (-25)
23M24M
10:44 | 10:44/mi
40K· 24.85 mi
4:08:20
Rank: #22086 (-139)
24M40K
10:45 | 12:34/mi
25.2M
4:12:31
Rank: #22095 (-9)
40K25.2M
4:11 | 12:08/mi
Finish· 26.22 mi
4:23:03
Rank: #22109 (-14)
25.2MFinish
10:32 | 10:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:12
Pace8:47 /mi
2nd Half
Distance13.11 mi
Time2:27:51
Pace11:17 /mi
📊Positive Split: 28.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:0327:579:0027:57
9:00
-
10K
6.21 mi12:13:5254:468:4926:49
8:38
-0:22
15K
9.32 mi12:40:451:21:398:4626:53
8:39
+0:01
20K
12.43 mi13:08:151:49:098:4727:30
8:51
+0:12
Half
13.11 mi13:14:181:55:128:476:03
8:52
+0:01
25K
15.53 mi13:37:252:18:198:5423:07
9:32
+0:40
30K
18.64 mi14:11:182:52:129:1433:53
10:54
+1:22
20M
20.00 mi14:28:023:08:569:2716:44
12:19
+1:25
21M
21.00 mi14:42:563:23:509:4214:54
14:54
+2:35
35K
21.75 mi14:50:433:31:379:447:47
10:24
-4:30
23M
23.00 mi15:05:573:46:519:5215:14
12:10
+1:46
24M
24.00 mi15:16:413:57:359:5410:44
10:44
-1:26
40K
24.85 mi15:27:264:08:209:5910:45
12:34
+1:50
25.2M
25.20 mi15:31:374:12:3110:014:11
12:08
-0:26
Finish
26.22 mi15:42:094:23:0310:0210:32
10:20
-1:48

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

8:38 /mi

Average Pace

10:02 /mi

Slowest Pace

14:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:12

44% of race

Time at Steady Pace

1:26:03

33% of race

Time at Slower Pace

1:01:48

23% of race

Average Pace: 10:02 /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 mi11:47:0327:579:0027:57
9:00
#20423
10K
6.21 mi12:13:5254:468:4926:49
8:38
#19752
15K
9.32 mi12:40:451:21:398:4626:53
8:39
#19392
20K
12.43 mi13:08:151:49:098:4727:30
8:51
#19237
Half
13.11 mi13:14:181:55:128:476:03
8:52
#19253
25K
15.53 mi13:37:252:18:198:5423:07
9:32
#19642
30K
18.64 mi14:11:182:52:129:1433:53
10:54
#20598
20M
20.00 mi14:28:023:08:569:2716:44
12:19
#21109
21M
21.00 mi14:42:563:23:509:4214:54
14:54
#21667
35K
21.75 mi14:50:433:31:379:447:47
10:24
#21702
23M
23.00 mi15:05:573:46:519:5215:14
12:10
#21922
24M
24.00 mi15:16:413:57:359:5410:44
10:44
#21947
40K
24.85 mi15:27:264:08:209:5910:45
12:34
#22086
25.2M
25.20 mi15:31:374:12:3110:014:11
12:08
#22095
Finish
26.22 mi15:42:094:23:0310:0210:32
10:20
#22109
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi20423123371233718743(Top 70%)11774(Top 78%)11774(Top 574%)
10K6.21 mi3.10 mi19752+67112106+23112106+23119017(Top 71%)11912(Top 78%)11912(Top 581%)
15K9.32 mi3.11 mi19392+36011987+11911987+11918743(Top 70%)11774(Top 78%)11774(Top 574%)
20K12.43 mi3.11 mi19237+15511956+3111956+3118951(Top 71%)11872(Top 78%)11872(Top 579%)
Half13.11 mi0.68 mi19253-1611964-811964-819836(Top 75%)12249(Top 81%)12249(Top 597%)
25K15.53 mi2.42 mi19642-38912113-14912113-14920946(Top 79%)12686(Top 84%)12686(Top 618%)
30K18.64 mi3.11 mi20598-95612518-40512518-40522947(Top 86%)13488(Top 89%)13488(Top 657%)
20M20.00 mi1.36 mi21109-51112725-20712725-20724553(Top 92%)14162(Top 93%)14162(Top 690%)
21M21.00 mi1.00 mi21667-55812977-25212977-25225668(Top 96%)14710(Top 97%)14710(Top 717%)
35K21.75 mi0.75 mi21702-3512981-412981-422187(Top 83%)13009(Top 86%)13009(Top 634%)
23M23.00 mi1.25 mi21922-22013075-9413075-9424202(Top 91%)13944(Top 92%)13944(Top 680%)
24M24.00 mi1.00 mi21947-2513077-213077-222514(Top 85%)13119(Top 86%)13119(Top 639%)
40K24.85 mi0.85 mi22086-13913126-4913126-4924515(Top 92%)14050(Top 93%)14050(Top 685%)
25.2M25.20 mi0.35 mi22095-913127-113127-122714(Top 85%)13185(Top 87%)13185(Top 643%)
Finish26.22 mi1.02 mi22109-1413120+713120+722638(Top 85%)13150(Top 87%)13150(Top 641%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21stories
+97ft-345ft

Overall

18743

Males

11774

M50-54

11774

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

19017

Males

11912

M50-54

11912

10K→15K

6.2 - 9.3 mi

Top 70%
×3stories
+67ft-78ft

Overall

18743

Males

11774

M50-54

11774

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

18951

Males

11872

M50-54

11872

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19836

Males

12249

M50-54

12249

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

20946

Males

12686

M50-54

12686

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22947

Males

13488

M50-54

13488

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24553

Males

14162

M50-54

14162

20M→21M

20.0 - 21.0 mi

Top 96%
×8stories
+106ft-24ft

Overall

25668

Males

14710

M50-54

14710

21M→35K

21.0 - 21.8 mi

Top 83%
×7stories
+17ft-86ft

Overall

22187

Males

13009

M50-54

13009

35K→23M

21.8 - 23.0 mi

Top 91%
×5stories
+23ft-63ft

Overall

24202

Males

13944

M50-54

13944

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22514

Males

13119

M50-54

13119

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24515

Males

14050

M50-54

14050

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22714

Males

13185

M50-54

13185

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22638

Males

13150

M50-54

13150

Passing Analysis

Category:
Athletes Passed
1652
Passed By
3338
Net Change
-1686
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20423
5K10K775104+671#20423#19752
10K15K42161+360#19752#19392
15K20K23782+155#19392#19237
20KHalf1531-16#19237#19253
Half25K35424-389#19253#19642
25K30K24980-956#19642#20598
30K20M9520-511#20598#21109
20M21M3561-558#21109#21667
21M35K2964-35#21667#21702
35K23M14234-220#21702#21922
23M24M3459-25#21922#21947
24M40K12151-139#21947#22086
40K25.2M1625-9#22086#22095
25.2MFinish2842-14#22095#22109
TOTALS16523338-1686
📊

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