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BOSTON MARATHON 2023

John Leniz

Bib: 12229•M

NV

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
25:27
Rank: #15395
Start → 5K
25:27 | 8:11/mi
10K· 6.21 mi
50:48
Rank: #15650 (-255)
5K → 10K
25:21 | 8:10/mi
15K· 9.32 mi
1:16:07
Rank: #15590 (+60)
10K → 15K
25:19 | 8:09/mi
20K· 12.43 mi
1:42:03
Rank: #15652 (-62)
15K → 20K
25:56 | 8:21/mi
Half· 13.11 mi
1:47:39
Rank: #15663 (-11)
20K → Half
5:36 | 8:12/mi
25K· 15.53 mi
2:07:55
Rank: #15577 (+86)
Half → 25K
20:16 | 8:22/mi
30K· 18.64 mi
2:34:25
Rank: #15362 (+215)
25K → 30K
26:30 | 8:32/mi
20M
2:45:56
Rank: #15211 (+151)
30K → 20M
11:31 | 8:28/mi
21M
2:55:08
Rank: #15138 (+73)
20M → 21M
9:12 | 9:12/mi
35K· 21.75 mi
3:03:01
Rank: #15592 (-454)
21M → 35K
7:53 | 10:32/mi
23M
3:14:36
Rank: #15685 (-93)
35K → 23M
11:35 | 9:15/mi
24M
3:24:02
Rank: #15890 (-205)
23M → 24M
9:26 | 9:26/mi
40K· 24.85 mi
3:32:01
Rank: #15958 (-68)
24M → 40K
7:59 | 9:20/mi
25.2M
3:35:32
Rank: #15993 (-35)
40K → 25.2M
3:31 | 10:12/mi
Finish· 26.22 mi
3:43:44
Rank: #15859 (+134)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:39
Pace8:13 /mi
2nd Half
Distance13.11 mi
Time1:56:05
Pace8:51 /mi
📊Positive Split: 7.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0625:278:1125:27
8:11
-
10K
6.21 mi11:18:2750:488:1125:21
8:10
-0:01
15K
9.32 mi11:43:461:16:078:1025:19
8:09
-0:01
20K
12.43 mi12:09:421:42:038:1325:56
8:21
+0:12
Half
13.11 mi12:15:181:47:398:135:36
8:12
-0:09
25K
15.53 mi12:35:342:07:558:1420:16
8:22
+0:10
30K
18.64 mi13:02:042:34:258:1726:30
8:32
+0:10
20M
20.00 mi13:13:352:45:568:1811:31
8:28
-0:04
21M
21.00 mi13:22:472:55:088:209:12
9:12
+0:44
35K
21.75 mi13:30:403:03:018:257:53
10:32
+1:20
23M
23.00 mi13:42:153:14:368:2811:35
9:15
-1:17
24M
24.00 mi13:51:413:24:028:309:26
9:26
+0:11
40K
24.85 mi13:59:403:32:018:327:59
9:20
-0:06
25.2M
25.20 mi14:03:113:35:328:333:31
10:12
+0:52
Finish
26.22 mi14:11:233:43:448:328:12
8:03
-2:09

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

8:03 /mi

Average Pace

8:32 /mi

Slowest Pace

10:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

8:12

4% of race

Time at Steady Pace

2:45:56

74% of race

Time at Slower Pace

49:36

22% of race

Average Pace: 8:32 /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 mi10:53:0625:278:1125:27
8:11
#15395
10K
6.21 mi11:18:2750:488:1125:21
8:10
#15650
15K
9.32 mi11:43:461:16:078:1025:19
8:09
#15590
20K
12.43 mi12:09:421:42:038:1325:56
8:21
#15652
Half
13.11 mi12:15:181:47:398:135:36
8:12
#15663
25K
15.53 mi12:35:342:07:558:1420:16
8:22
#15577
30K
18.64 mi13:02:042:34:258:1726:30
8:32
#15362
20M
20.00 mi13:13:352:45:568:1811:31
8:28
#15211
21M
21.00 mi13:22:472:55:088:209:12
9:12
#15138
35K
21.75 mi13:30:403:03:018:257:53
10:32
#15592
23M
23.00 mi13:42:153:14:368:2811:35
9:15
#15685
24M
24.00 mi13:51:413:24:028:309:26
9:26
#15890
40K
24.85 mi13:59:403:32:018:327:59
9:20
#15958
25.2M
25.20 mi14:03:113:35:328:333:31
10:12
#15993
Finish
26.22 mi14:11:233:43:448:328:12
8:03
#15859
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi15395104781047815483(Top 58%)10497(Top 69%)10497(Top 512%)
10K6.21 mi3.10 mi15650-25510569-9110569-9115969(Top 60%)10689(Top 70%)10689(Top 521%)
15K9.32 mi3.11 mi15590+6010538+3110538+3115483(Top 58%)10497(Top 69%)10497(Top 512%)
20K12.43 mi3.11 mi15652-6210546-810546-815917(Top 60%)10600(Top 70%)10600(Top 517%)
Half13.11 mi0.68 mi15663-1110545+110545+115821(Top 59%)10609(Top 70%)10609(Top 517%)
25K15.53 mi2.42 mi15577+8610478+6710478+6715310(Top 58%)10266(Top 68%)10266(Top 500%)
30K18.64 mi3.11 mi15362+21510357+12110357+12114499(Top 54%)9857(Top 65%)9857(Top 480%)
20M20.00 mi1.36 mi15211+15110276+8110276+8113481(Top 51%)9352(Top 62%)9352(Top 456%)
21M21.00 mi1.00 mi15138+7310233+4310233+4314467(Top 54%)9707(Top 64%)9707(Top 473%)
35K21.75 mi0.75 mi15592-45410378-14510378-14522443(Top 84%)13126(Top 86%)13126(Top 640%)
23M23.00 mi1.25 mi15685-9310390-1210390-1217286(Top 65%)10815(Top 71%)10815(Top 527%)
24M24.00 mi1.00 mi15890-20510458-6810458-6818956(Top 71%)11511(Top 76%)11511(Top 561%)
40K24.85 mi0.85 mi15958-6810481-2310481-2317659(Top 66%)10863(Top 72%)10863(Top 529%)
25.2M25.20 mi0.35 mi15993-3510494-1310494-1318064(Top 68%)11047(Top 73%)11047(Top 538%)
Finish26.22 mi1.02 mi15859+13410429+6510429+6512433(Top 47%)8501(Top 56%)8501(Top 414%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15483

Males

10497

M50-54

10497

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

15969

Males

10689

M50-54

10689

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15483

Males

10497

M50-54

10497

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

15917

Males

10600

M50-54

10600

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15821

Males

10609

M50-54

10609

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15310

Males

10266

M50-54

10266

25K→30K

15.5 - 18.6 mi

Top 54%
×9stories
+181ft-148ft

Overall

14499

Males

9857

M50-54

9857

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13481

Males

9352

M50-54

9352

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14467

Males

9707

M50-54

9707

21M→35K

21.0 - 21.8 mi

Top 84%
×7stories
+17ft-86ft

Overall

22443

Males

13126

M50-54

13126

35K→23M

21.8 - 23.0 mi

Top 65%
×5stories
+23ft-63ft

Overall

17286

Males

10815

M50-54

10815

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18956

Males

11511

M50-54

11511

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17659

Males

10863

M50-54

10863

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18064

Males

11047

M50-54

11047

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12433

Males

8501

M50-54

8501

Passing Analysis

Category:
Athletes Passed
1647
Passed By
2111
Net Change
-464
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15395
5K → 10K199454-255#15395#15650
10K → 15K216156+60#15650#15590
15K → 20K158220-62#15590#15652
20K → Half2536-11#15652#15663
Half → 25K17589+86#15663#15577
25K → 30K29176+215#15577#15362
30K → 20M16918+151#15362#15211
20M → 21M12350+73#15211#15138
21M → 35K1455-454#15138#15592
35K → 23M59152-93#15592#15685
23M → 24M26231-205#15685#15890
24M → 40K41109-68#15890#15958
40K → 25.2M1954-35#15958#15993
25.2M → Finish14511+134#15993#15859
TOTALS16472111-464
📊

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