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BOSTON MARATHON 2023

Samuel Lambooy

Bib: 3558•M

TX

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0:00
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Overall
#0 / 26622
Top 10%
Gender (Male)
#0 / 15176
Top 17%
Division (M18-39)
#0 / 5285
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:42
Rank: #1597
Start → 5K
19:42 | 6:20/mi
10K· 6.21 mi
39:24
Rank: #1756 (-159)
5K → 10K
19:42 | 6:20/mi
15K· 9.32 mi
58:58
Rank: #1699 (+57)
10K → 15K
19:34 | 6:18/mi
20K· 12.43 mi
1:18:50
Rank: #1708 (-9)
15K → 20K
19:52 | 6:24/mi
Half· 13.11 mi
1:23:10
Rank: #1716 (-8)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:38:59
Rank: #1777 (-61)
Half → 25K
15:49 | 6:31/mi
30K· 18.64 mi
2:00:01
Rank: #1909 (-132)
25K → 30K
21:02 | 6:46/mi
20M
2:09:37
Rank: #2051 (-142)
30K → 20M
9:36 | 7:04/mi
21M
2:17:11
Rank: #2168 (-117)
20M → 21M
7:34 | 7:34/mi
35K· 21.75 mi
2:22:23
Rank: #2241 (-73)
21M → 35K
5:12 | 6:57/mi
23M
2:31:22
Rank: #2325 (-84)
35K → 23M
8:59 | 7:10/mi
24M
2:38:32
Rank: #2406 (-81)
23M → 24M
7:10 | 7:10/mi
40K· 24.85 mi
2:44:47
Rank: #2465 (-59)
24M → 40K
6:15 | 7:19/mi
25.2M
2:47:35
Rank: #2545 (-80)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
2:54:49
Rank: #2655 (-110)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:10
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:31:39
Pace6:59 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0919:426:2019:42
6:20
-
10K
6.21 mi10:40:5139:246:2019:42
6:20
0:00
15K
9.32 mi11:00:2558:586:2019:34
6:18
-0:02
20K
12.43 mi11:20:171:18:506:2119:52
6:24
+0:06
Half
13.11 mi11:24:371:23:106:214:20
6:21
-0:03
25K
15.53 mi11:40:261:38:596:2215:49
6:31
+0:10
30K
18.64 mi12:01:282:00:016:2621:02
6:46
+0:15
20M
20.00 mi12:11:042:09:376:299:36
7:04
+0:18
21M
21.00 mi12:18:382:17:116:327:34
7:34
+0:30
35K
21.75 mi12:23:502:22:236:335:12
6:57
-0:37
23M
23.00 mi12:32:492:31:226:358:59
7:10
+0:13
24M
24.00 mi12:39:592:38:326:367:10
7:10
0:00
40K
24.85 mi12:46:142:44:476:386:15
7:19
+0:09
25.2M
25.20 mi12:49:022:47:356:392:48
8:07
+0:48
Finish
26.22 mi12:56:162:54:496:407:14
7:06
-1:01

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

6:18 /mi

Average Pace

6:40 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:59

57% of race

Time at Steady Pace

59:13

34% of race

Time at Slower Pace

16:37

10% of race

Average Pace: 6:40 /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 mi10:21:0919:426:2019:42
6:20
#1597
10K
6.21 mi10:40:5139:246:2019:42
6:20
#1756
15K
9.32 mi11:00:2558:586:2019:34
6:18
#1699
20K
12.43 mi11:20:171:18:506:2119:52
6:24
#1708
Half
13.11 mi11:24:371:23:106:214:20
6:21
#1716
25K
15.53 mi11:40:261:38:596:2215:49
6:31
#1777
30K
18.64 mi12:01:282:00:016:2621:02
6:46
#1909
20M
20.00 mi12:11:042:09:376:299:36
7:04
#2051
21M
21.00 mi12:18:382:17:116:327:34
7:34
#2168
35K
21.75 mi12:23:502:22:236:335:12
6:57
#2241
23M
23.00 mi12:32:492:31:226:358:59
7:10
#2325
24M
24.00 mi12:39:592:38:326:367:10
7:10
#2406
40K
24.85 mi12:46:142:44:476:386:15
7:19
#2465
25.2M
25.20 mi12:49:022:47:356:392:48
8:07
#2545
Finish
26.22 mi12:56:162:54:496:407:14
7:06
#2655
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1597152215221648(Top 6%)1574(Top 10%)1574(Top 30%)
10K6.21 mi3.10 mi1756-1591678-1561678-1561942(Top 7%)1861(Top 12%)1861(Top 35%)
15K9.32 mi3.11 mi1699+571624+541624+541648(Top 6%)1574(Top 10%)1574(Top 30%)
20K12.43 mi3.11 mi1708-91634-101634-101780(Top 7%)1704(Top 11%)1704(Top 32%)
Half13.11 mi0.68 mi1716-81643-91643-92031(Top 8%)1954(Top 13%)1954(Top 37%)
25K15.53 mi2.42 mi1777-611699-561699-562297(Top 9%)2203(Top 15%)2203(Top 42%)
30K18.64 mi3.11 mi1909-1321828-1291828-1292792(Top 10%)2648(Top 17%)2648(Top 50%)
20M20.00 mi1.36 mi2051-1421966-1381966-1384378(Top 16%)4027(Top 27%)4027(Top 76%)
21M21.00 mi1.00 mi2168-1172077-1112077-1114872(Top 18%)4375(Top 29%)4375(Top 83%)
35K21.75 mi0.75 mi2241-732148-712148-715013(Top 19%)4488(Top 30%)4488(Top 85%)
23M23.00 mi1.25 mi2325-842227-792227-794642(Top 17%)4185(Top 28%)4185(Top 79%)
24M24.00 mi1.00 mi2406-812302-752302-755519(Top 21%)4781(Top 32%)4781(Top 90%)
40K24.85 mi0.85 mi2465-592356-542356-545468(Top 21%)4655(Top 31%)4655(Top 88%)
25.2M25.20 mi0.35 mi2545-802429-732429-737067(Top 27%)5581(Top 37%)5581(Top 106%)
Finish26.22 mi1.02 mi2655-1102531-1022531-1025776(Top 22%)4768(Top 31%)4768(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1648

Males

1574

M18-39

1574

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1942

Males

1861

M18-39

1861

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1648

Males

1574

M18-39

1574

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1780

Males

1704

M18-39

1704

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2031

Males

1954

M18-39

1954

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2297

Males

2203

M18-39

2203

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2792

Males

2648

M18-39

2648

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4378

Males

4027

M18-39

4027

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4872

Males

4375

M18-39

4375

21M→35K

21.0 - 21.8 mi

Top 19%
×7stories
+17ft-86ft

Overall

5013

Males

4488

M18-39

4488

35K→23M

21.8 - 23.0 mi

Top 17%
×5stories
+23ft-63ft

Overall

4642

Males

4185

M18-39

4185

23M→24M

23.0 - 24.0 mi

Top 21%
×6stories
+12ft-82ft

Overall

5519

Males

4781

M18-39

4781

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5468

Males

4655

M18-39

4655

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7067

Males

5581

M18-39

5581

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5776

Males

4768

M18-39

4768

Passing Analysis

Category:
Athletes Passed
292
Passed By
1350
Net Change
-1058
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1597
5K → 10K40199-159#1597#1756
10K → 15K8730+57#1756#1699
15K → 20K4453-9#1699#1708
20K → Half715-8#1708#1716
Half → 25K1374-61#1716#1777
25K → 30K29161-132#1777#1909
30K → 20M12154-142#1909#2051
20M → 21M9126-117#2051#2168
21M → 35K780-73#2168#2241
35K → 23M1296-84#2241#2325
23M → 24M990-81#2325#2406
24M → 40K1170-59#2406#2465
40K → 25.2M585-80#2465#2545
25.2M → Finish7117-110#2545#2655
TOTALS2921350-1058
📊

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