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BOSTON MARATHON 2023

Marco Willemart

Bib: 4947•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 13%
Gender (Male)
#0 / 15176
Top 22%
Division (M18-39)
#0 / 5285
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #3897
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:11
Rank: #3374 (+523)
5K → 10K
20:17 | 6:32/mi
15K· 9.32 mi
1:01:33
Rank: #3225 (+149)
10K → 15K
20:22 | 6:33/mi
20K· 12.43 mi
1:22:14
Rank: #3190 (+35)
15K → 20K
20:41 | 6:39/mi
Half· 13.11 mi
1:26:39
Rank: #3153 (+37)
20K → Half
4:25 | 6:28/mi
25K· 15.53 mi
1:42:41
Rank: #3065 (+88)
Half → 25K
16:02 | 6:37/mi
30K· 18.64 mi
2:03:16
Rank: #2812 (+253)
25K → 30K
20:35 | 6:38/mi
20M
2:12:26
Rank: #2757 (+55)
30K → 20M
9:10 | 6:45/mi
21M
2:19:50
Rank: #2810 (-53)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:24:47
Rank: #2790 (+20)
21M → 35K
4:57 | 6:37/mi
23M
2:33:38
Rank: #2848 (-58)
35K → 23M
8:51 | 7:04/mi
24M
2:40:40
Rank: #2935 (-87)
23M → 24M
7:02 | 7:02/mi
40K· 24.85 mi
2:47:00
Rank: #3037 (-102)
24M → 40K
6:20 | 7:24/mi
25.2M
2:49:55
Rank: #3146 (-109)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
2:58:08
Rank: #3533 (-387)
25.2M → Finish
8:13 | 8:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:39
Pace6:37 /mi
2nd Half
Distance13.11 mi
Time1:31:29
Pace6:59 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:0420:546:4420:54
6:44
-
10K
6.21 mi10:43:2141:116:3820:17
6:32
-0:12
15K
9.32 mi11:03:431:01:336:3620:22
6:33
+0:01
20K
12.43 mi11:24:241:22:146:3720:41
6:39
+0:06
Half
13.11 mi11:28:491:26:396:374:25
6:28
-0:11
25K
15.53 mi11:44:511:42:416:3716:02
6:37
+0:09
30K
18.64 mi12:05:262:03:166:3720:35
6:38
+0:01
20M
20.00 mi12:14:362:12:266:379:10
6:45
+0:07
21M
21.00 mi12:22:002:19:506:407:24
7:24
+0:39
35K
21.75 mi12:26:572:24:476:394:57
6:37
-0:47
23M
23.00 mi12:35:482:33:386:418:51
7:04
+0:27
24M
24.00 mi12:42:502:40:406:427:02
7:02
-0:02
40K
24.85 mi12:49:102:47:006:436:20
7:24
+0:22
25.2M
25.20 mi12:52:052:49:556:452:55
8:27
+1:03
Finish
26.22 mi13:00:182:58:086:488:13
8:04
-0:23

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

6:28 /mi

Average Pace

6:48 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:17:23

77% of race

Time at Slower Pace

40:45

23% of race

Average Pace: 6:48 /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 mi10:23:0420:546:4420:54
6:44
#3897
10K
6.21 mi10:43:2141:116:3820:17
6:32
#3374
15K
9.32 mi11:03:431:01:336:3620:22
6:33
#3225
20K
12.43 mi11:24:241:22:146:3720:41
6:39
#3190
Half
13.11 mi11:28:491:26:396:374:25
6:28
#3153
25K
15.53 mi11:44:511:42:416:3716:02
6:37
#3065
30K
18.64 mi12:05:262:03:166:3720:35
6:38
#2812
20M
20.00 mi12:14:362:12:266:379:10
6:45
#2757
21M
21.00 mi12:22:002:19:506:407:24
7:24
#2810
35K
21.75 mi12:26:572:24:476:394:57
6:37
#2790
23M
23.00 mi12:35:482:33:386:418:51
7:04
#2848
24M
24.00 mi12:42:502:40:406:427:02
7:02
#2935
40K
24.85 mi12:49:102:47:006:436:20
7:24
#3037
25.2M
25.20 mi12:52:052:49:556:452:55
8:27
#3146
Finish
26.22 mi13:00:182:58:086:488:13
8:04
#3533
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3897365836582968(Top 11%)2834(Top 19%)2834(Top 54%)
10K6.21 mi3.10 mi3374+5233193+4653193+4652960(Top 11%)2828(Top 19%)2828(Top 54%)
15K9.32 mi3.11 mi3225+1493069+1243069+1242968(Top 11%)2834(Top 19%)2834(Top 54%)
20K12.43 mi3.11 mi3190+353037+323037+323234(Top 12%)3071(Top 20%)3071(Top 58%)
Half13.11 mi0.68 mi3153+373003+343003+342669(Top 10%)2563(Top 17%)2563(Top 48%)
25K15.53 mi2.42 mi3065+882923+802923+802788(Top 10%)2666(Top 18%)2666(Top 50%)
30K18.64 mi3.11 mi2812+2532689+2342689+2342081(Top 8%)1988(Top 13%)1988(Top 38%)
20M20.00 mi1.36 mi2757+552633+562633+562520(Top 9%)2391(Top 16%)2391(Top 45%)
21M21.00 mi1.00 mi2810-532685-522685-524107(Top 15%)3776(Top 25%)3776(Top 71%)
35K21.75 mi0.75 mi2790+202667+182667+183099(Top 12%)2901(Top 19%)2901(Top 55%)
23M23.00 mi1.25 mi2848-582714-472714-474117(Top 15%)3773(Top 25%)3773(Top 71%)
24M24.00 mi1.00 mi2935-872790-762790-764820(Top 18%)4289(Top 28%)4289(Top 81%)
40K24.85 mi0.85 mi3037-1022878-882878-886079(Top 23%)5053(Top 33%)5053(Top 96%)
25.2M25.20 mi0.35 mi3146-1092980-1022980-1029115(Top 34%)6775(Top 45%)6775(Top 128%)
Finish26.22 mi1.02 mi3533-3873327-3473327-34712503(Top 47%)8510(Top 56%)8510(Top 161%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

2968

Males

2834

M18-39

2834

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2960

Males

2828

M18-39

2828

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

2968

Males

2834

M18-39

2834

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3234

Males

3071

M18-39

3071

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2669

Males

2563

M18-39

2563

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2788

Males

2666

M18-39

2666

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2081

Males

1988

M18-39

1988

30K→20M

18.6 - 20.0 mi

Top 9%
×5stories
+64ft-50ft

Overall

2520

Males

2391

M18-39

2391

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

4107

Males

3776

M18-39

3776

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3099

Males

2901

M18-39

2901

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4117

Males

3773

M18-39

3773

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4820

Males

4289

M18-39

4289

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6079

Males

5053

M18-39

5053

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9115

Males

6775

M18-39

6775

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12503

Males

8510

M18-39

8510

Passing Analysis

Category:
Athletes Passed
1481
Passed By
1117
Net Change
+364
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3897
5K → 10K57047+523#3897#3374
10K → 15K18738+149#3374#3225
15K → 20K10469+35#3225#3190
20K → Half458+37#3190#3153
Half → 25K10820+88#3153#3065
25K → 30K2574+253#3065#2812
30K → 20M638+55#2812#2757
20M → 21M2982-53#2757#2810
21M → 35K3919+20#2810#2790
35K → 23M3492-58#2790#2848
23M → 24M18105-87#2848#2935
24M → 40K22124-102#2935#3037
40K → 25.2M2111-109#3037#3146
25.2M → Finish3390-387#3146#3533
TOTALS14811117+364
📊

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