Marc De Leeuw

Bib: 10502M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 29%
Gender (Male)
#0 / 15176
Top 43%
Masters (Masters Men)
#0 / 9891
Top 30%
Division (M50-54)
#0 / 2052
Top 25%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:56
Rank: #8677
Start5K
7:23/mi
22:56 split
10K· 6.21 mi
45:03
Rank: #8110 (+567)
5K10K
7:07/mi
22:07 split
15K· 9.32 mi
1:07:02
Rank: #7696 (+414)
10K15K
7:05/mi
21:59 split
20K· 12.43 mi
1:29:27
Rank: #7527 (+169)
15K20K
7:13/mi
22:25 split
Half· 13.11 mi
1:34:23
Rank: #7539 (-12)
20KHalf
7:14/mi
4:56 split
25K· 15.53 mi
1:52:20
Rank: #7586 (-47)
Half25K
7:24/mi
17:57 split
30K· 18.64 mi
2:16:02
Rank: #7626 (-40)
25K30K
7:38/mi
23:42 split
20M
2:26:40
Rank: #7688 (-62)
30K20M
7:49/mi
10:38 split
21M
2:34:57
Rank: #7703 (-15)
20M21M
8:17/mi
8:17 split
35K· 21.75 mi
2:40:36
Rank: #7731 (-28)
21M35K
7:33/mi
5:39 split
23M
2:50:36
Rank: #7829 (-98)
35K23M
7:59/mi
10:00 split
24M
2:58:04
Rank: #7784 (+45)
23M24M
7:28/mi
7:28 split
40K· 24.85 mi
3:04:31
Rank: #7737 (+47)
24M40K
7:33/mi
6:27 split
25.2M
3:07:17
Rank: #7693 (+44)
40K25.2M
8:01/mi
2:46 split
Finish· 26.22 mi
3:14:45
Rank: #7665 (+28)
25.2MFinish
7:20/mi
7:28 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:23
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:40:22
Pace7:39 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1722:567:2322:56
7:23
-
10K
6.21 mi11:11:2445:037:1522:07
7:07
-0:16
15K
9.32 mi11:33:231:07:027:1221:59
7:05
-0:02
20K
12.43 mi11:55:481:29:277:1222:25
7:13
+0:08
Half
13.11 mi12:00:441:34:237:124:56
7:14
+0:01
25K
15.53 mi12:18:411:52:207:1417:57
7:24
+0:10
30K
18.64 mi12:42:232:16:027:1823:42
7:38
+0:14
20M
20.00 mi12:53:012:26:407:2010:38
7:49
+0:11
21M
21.00 mi13:01:182:34:577:238:17
8:17
+0:28
35K
21.75 mi13:06:572:40:367:235:39
7:33
-0:44
23M
23.00 mi13:16:572:50:367:2510:00
7:59
+0:26
24M
24.00 mi13:24:252:58:047:257:28
7:28
-0:31
40K
24.85 mi13:30:523:04:317:256:27
7:33
+0:05
25.2M
25.20 mi13:33:383:07:177:262:46
8:01
+0:28
Finish
26.22 mi13:41:063:14:457:267:28
7:20
-0:41

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

7:05 /mi

Average Pace

7:26 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:04

84% of race

Time at Steady Pace

31:41

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:49:1722:567:2322:56
7:23
#8677
10K
6.21 mi11:11:2445:037:1522:07
7:07
#8110
15K
9.32 mi11:33:231:07:027:1221:59
7:05
#7696
20K
12.43 mi11:55:481:29:277:1222:25
7:13
#7527
Half
13.11 mi12:00:441:34:237:124:56
7:14
#7539
25K
15.53 mi12:18:411:52:207:1417:57
7:24
#7586
30K
18.64 mi12:42:232:16:027:1823:42
7:38
#7626
20M
20.00 mi12:53:012:26:407:2010:38
7:49
#7688
21M
21.00 mi13:01:182:34:577:238:17
8:17
#7703
35K
21.75 mi13:06:572:40:367:235:39
7:33
#7731
23M
23.00 mi13:16:572:50:367:2510:00
7:59
#7829
24M
24.00 mi13:24:252:58:047:257:28
7:28
#7784
40K
24.85 mi13:30:523:04:317:256:27
7:33
#7737
25.2M
25.20 mi13:33:383:07:177:262:46
8:01
#7693
Finish
26.22 mi13:41:063:14:457:267:28
7:20
#7665
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi8677739773977006(Top 26%)6251(Top 41%)6251(Top 305%)
10K6.21 mi3.10 mi8110+5677027+3707027+3707557(Top 28%)6643(Top 44%)6643(Top 324%)
15K9.32 mi3.11 mi7696+4146759+2686759+2687006(Top 26%)6251(Top 41%)6251(Top 305%)
20K12.43 mi3.11 mi7527+1696627+1326627+1327191(Top 27%)6349(Top 42%)6349(Top 309%)
Half13.11 mi0.68 mi7539-126632-56632-58053(Top 30%)6925(Top 46%)6925(Top 337%)
25K15.53 mi2.42 mi7586-476654-226654-228039(Top 30%)6824(Top 45%)6824(Top 333%)
30K18.64 mi3.11 mi7626-406646+86646+88140(Top 31%)6767(Top 45%)6767(Top 330%)
20M20.00 mi1.36 mi7688-626660-146660-149021(Top 34%)7196(Top 47%)7196(Top 351%)
21M21.00 mi1.00 mi7703-156649+116649+119099(Top 34%)7114(Top 47%)7114(Top 347%)
35K21.75 mi0.75 mi7731-286661-126661-128862(Top 33%)6986(Top 46%)6986(Top 340%)
23M23.00 mi1.25 mi7829-986696-356696-359614(Top 36%)7287(Top 48%)7287(Top 355%)
24M24.00 mi1.00 mi7784+456646+506646+507453(Top 28%)5978(Top 39%)5978(Top 291%)
40K24.85 mi0.85 mi7737+476604+426604+426953(Top 26%)5606(Top 37%)5606(Top 273%)
25.2M25.20 mi0.35 mi7693+446564+406564+406605(Top 25%)5331(Top 35%)5331(Top 260%)
Finish26.22 mi1.02 mi7665+286526+386526+387284(Top 27%)5739(Top 38%)5739(Top 280%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7006

Males

6251

M50-54

6251

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7557

Males

6643

M50-54

6643

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7006

Males

6251

M50-54

6251

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7191

Males

6349

M50-54

6349

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8053

Males

6925

M50-54

6925

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8039

Males

6824

M50-54

6824

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8140

Males

6767

M50-54

6767

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

9021

Males

7196

M50-54

7196

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9099

Males

7114

M50-54

7114

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8862

Males

6986

M50-54

6986

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9614

Males

7287

M50-54

7287

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7453

Males

5978

M50-54

5978

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6953

Males

5606

M50-54

5606

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6605

Males

5331

M50-54

5331

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7284

Males

5739

M50-54

5739

Passing Analysis

Category:
Athletes Passed
1962
Passed By
950
Net Change
+1012
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8677
5K10K63063+567#8677#8110
10K15K42915+414#8110#7696
15K20K21546+169#7696#7527
20KHalf1729-12#7527#7539
Half25K66113-47#7539#7586
25K30K124164-40#7586#7626
30K20M51113-62#7626#7688
20M21M5570-15#7688#7703
21M35K2957-28#7703#7731
35K23M49147-98#7731#7829
23M24M9146+45#7829#7784
24M40K8033+47#7784#7737
40K25.2M528+44#7737#7693
25.2MFinish7446+28#7693#7665
TOTALS1962950+1012
📊

Passing Visuals

Category:
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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