Jan-Willem Nieuwland

Bib: 31091M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:43
Rank: #24779
Start5K
32:43 | 10:32/mi
10K· 6.21 mi
1:06:38
Rank: #25127 (-348)
5K10K
33:55 | 10:55/mi
15K· 9.32 mi
1:41:46
Rank: #25331 (-204)
10K15K
35:08 | 11:18/mi
20K· 12.43 mi
2:18:07
Rank: #25382 (-51)
15K20K
36:21 | 11:42/mi
Half· 13.11 mi
2:25:57
Rank: #25388 (-6)
20KHalf
7:50 | 11:29/mi
25K· 15.53 mi
2:53:54
Rank: #25263 (+125)
Half25K
27:57 | 11:32/mi
30K· 18.64 mi
3:31:24
Rank: #25154 (+109)
25K30K
37:30 | 12:04/mi
20M
3:48:01
Rank: #25107 (+47)
30K20M
16:37 | 12:13/mi
21M
4:00:14
Rank: #25030 (+77)
20M21M
12:13 | 12:13/mi
35K· 21.75 mi
4:08:54
Rank: #25007 (+23)
21M35K
8:40 | 11:35/mi
23M
4:23:29
Rank: #24934 (+73)
35K23M
14:35 | 11:39/mi
24M
4:35:09
Rank: #24917 (+17)
23M24M
11:40 | 11:40/mi
40K· 24.85 mi
4:44:54
Rank: #24855 (+62)
24M40K
9:45 | 11:24/mi
25.2M
4:48:41
Rank: #24823 (+32)
40K25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
4:59:00
Rank: #24766 (+57)
25.2MFinish
10:19 | 10:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:57
Pace11:08 /mi
2nd Half
Distance13.11 mi
Time2:33:03
Pace11:41 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0032:4310:3232:43
10:32
-
10K
6.21 mi12:26:551:06:3810:4333:55
10:55
+0:23
15K
9.32 mi13:02:031:41:4610:5535:08
11:18
+0:23
20K
12.43 mi13:38:242:18:0711:0736:21
11:42
+0:24
Half
13.11 mi13:46:142:25:5711:087:50
11:29
-0:13
25K
15.53 mi14:14:112:53:5411:1227:57
11:32
+0:03
30K
18.64 mi14:51:413:31:2411:2037:30
12:04
+0:32
20M
20.00 mi15:08:183:48:0111:2416:37
12:13
+0:09
21M
21.00 mi15:20:314:00:1411:2612:13
12:13
0:00
35K
21.75 mi15:29:114:08:5411:278:40
11:35
-0:38
23M
23.00 mi15:43:464:23:2911:2714:35
11:39
+0:04
24M
24.00 mi15:55:264:35:0911:2811:40
11:40
+0:01
40K
24.85 mi16:05:114:44:5411:289:45
11:24
-0:16
25.2M
25.20 mi16:08:584:48:4111:273:47
10:58
-0:26
Finish
26.22 mi16:19:174:59:0011:2510:19
10:07
-0:51

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

10:07 /mi

Average Pace

11:25 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:44

27% of race

Time at Steady Pace

2:31:56

51% of race

Time at Slower Pace

1:06:20

22% of race

Average Pace: 11:24 /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 mi11:53:0032:4310:3232:43
10:32
#24779
10K
6.21 mi12:26:551:06:3810:4333:55
10:55
#25127
15K
9.32 mi13:02:031:41:4610:5535:08
11:18
#25331
20K
12.43 mi13:38:242:18:0711:0736:21
11:42
#25382
Half
13.11 mi13:46:142:25:5711:087:50
11:29
#25388
25K
15.53 mi14:14:112:53:5411:1227:57
11:32
#25263
30K
18.64 mi14:51:413:31:2411:2037:30
12:04
#25154
20M
20.00 mi15:08:183:48:0111:2416:37
12:13
#25107
21M
21.00 mi15:20:314:00:1411:2612:13
12:13
#25030
35K
21.75 mi15:29:114:08:5411:278:40
11:35
#25007
23M
23.00 mi15:43:464:23:2911:2714:35
11:39
#24934
24M
24.00 mi15:55:264:35:0911:2811:40
11:40
#24917
40K
24.85 mi16:05:114:44:5411:289:45
11:24
#24855
25.2M
25.20 mi16:08:584:48:4111:273:47
10:58
#24823
Finish
26.22 mi16:19:174:59:0011:2510:19
10:07
#24766
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi24779144391443925521(Top 96%)14736(Top 97%)14736(Top 654%)
10K6.21 mi3.10 mi25127-34814598-15914598-15925361(Top 95%)14695(Top 97%)14695(Top 653%)
15K9.32 mi3.11 mi25331-20414676-7814676-7825521(Top 96%)14736(Top 97%)14736(Top 654%)
20K12.43 mi3.11 mi25382-5114683-714683-725443(Top 96%)14683(Top 97%)14683(Top 652%)
Half13.11 mi0.68 mi25388-614684-114684-125466(Top 96%)14673(Top 97%)14673(Top 652%)
25K15.53 mi2.42 mi25263+12514622+6214622+6224704(Top 93%)14338(Top 94%)14338(Top 637%)
30K18.64 mi3.11 mi25154+10914558+6414558+6424580(Top 92%)14231(Top 94%)14231(Top 632%)
20M20.00 mi1.36 mi25107+4714528+3014528+3024459(Top 92%)14120(Top 93%)14120(Top 627%)
21M21.00 mi1.00 mi25030+7714488+4014488+4023084(Top 87%)13468(Top 89%)13468(Top 598%)
35K21.75 mi0.75 mi25007+2314465+2314465+2324211(Top 91%)13958(Top 92%)13958(Top 620%)
23M23.00 mi1.25 mi24934+7314427+3814427+3823499(Top 88%)13626(Top 90%)13626(Top 605%)
24M24.00 mi1.00 mi24917+1714415+1214415+1224101(Top 91%)13867(Top 91%)13867(Top 616%)
40K24.85 mi0.85 mi24855+6214380+3514380+3523063(Top 87%)13351(Top 88%)13351(Top 593%)
25.2M25.20 mi0.35 mi24823+3214365+1514365+1520394(Top 77%)12121(Top 80%)12121(Top 538%)
Finish26.22 mi1.02 mi24766+5714334+3114334+3122091(Top 83%)12913(Top 85%)12913(Top 573%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21stories
+97ft-345ft

Overall

25521

Males

14736

M45-49

14736

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25361

Males

14695

M45-49

14695

10K→15K

6.2 - 9.3 mi

Top 96%
×3stories
+67ft-78ft

Overall

25521

Males

14736

M45-49

14736

15K→20K

9.3 - 12.4 mi

Top 96%
×5stories
+106ft-86ft

Overall

25443

Males

14683

M45-49

14683

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

25466

Males

14673

M45-49

14673

Half→25K

13.1 - 15.5 mi

Top 93%
×4stories
+66ft-88ft

Overall

24704

Males

14338

M45-49

14338

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

24580

Males

14231

M45-49

14231

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

24459

Males

14120

M45-49

14120

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

23084

Males

13468

M45-49

13468

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

24211

Males

13958

M45-49

13958

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23499

Males

13626

M45-49

13626

23M→24M

23.0 - 24.0 mi

Top 91%
×6stories
+12ft-82ft

Overall

24101

Males

13867

M45-49

13867

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23063

Males

13351

M45-49

13351

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20394

Males

12121

M45-49

12121

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2stories
+22ft-21ft

Overall

22091

Males

12913

M45-49

12913

Passing Analysis

Category:
Athletes Passed
922
Passed By
909
Net Change
+13
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24779
5K10K64412-348#24779#25127
10K15K42246-204#25127#25331
15K20K74125-51#25331#25382
20KHalf1218-6#25382#25388
Half25K14217+125#25388#25263
25K30K13223+109#25263#25154
30K20M7023+47#25154#25107
20M21M814+77#25107#25030
21M35K3310+23#25030#25007
35K23M752+73#25007#24934
23M24M3417+17#24934#24917
24M40K708+62#24917#24855
40K25.2M320+32#24855#24823
25.2MFinish614+57#24823#24766
TOTALS922909+13
📊

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