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BOSTON MARATHON 2023

John Lutz

Bib: 30080•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
35:03
Rank: #26005
Start → 5K
35:03 | 11:17/mi
10K· 6.21 mi
1:09:10
Rank: #25756 (+249)
5K → 10K
34:07 | 10:59/mi
15K· 9.32 mi
1:43:27
Rank: #25573 (+183)
10K → 15K
34:17 | 11:02/mi
20K· 12.43 mi
2:18:50
Rank: #25447 (+126)
15K → 20K
35:23 | 11:23/mi
Half· 13.11 mi
2:27:10
Rank: #25484 (-37)
20K → Half
8:20 | 12:13/mi
25K· 15.53 mi
2:53:42
Rank: #25249 (+235)
Half → 25K
26:32 | 10:57/mi
30K· 18.64 mi
3:29:08
Rank: #24997 (+252)
25K → 30K
35:26 | 11:24/mi
20M
3:44:17
Rank: #24849 (+148)
30K → 20M
15:09 | 11:09/mi
21M
3:55:57
Rank: #24751 (+98)
20M → 21M
11:40 | 11:40/mi
35K· 21.75 mi
4:03:59
Rank: #24691 (+60)
21M → 35K
8:02 | 10:44/mi
23M
4:17:41
Rank: #24556 (+135)
35K → 23M
13:42 | 10:57/mi
24M
4:27:51
Rank: #24441 (+115)
23M → 24M
10:10 | 10:10/mi
40K· 24.85 mi
4:37:06
Rank: #24374 (+67)
24M → 40K
9:15 | 10:49/mi
25.2M
4:40:49
Rank: #24309 (+65)
40K → 25.2M
3:43 | 10:47/mi
Finish· 26.22 mi
4:50:54
Rank: #24246 (+63)
25.2M → Finish
10:05 | 9:54/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:27:10
Pace11:14 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:23:44
Pace10:58 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:1435:0311:1735:03
11:17
-
10K
6.21 mi12:31:211:09:1011:0834:07
10:59
-0:18
15K
9.32 mi13:05:381:43:2711:0634:17
11:02
+0:03
20K
12.43 mi13:41:012:18:5011:1035:23
11:23
+0:21
Half
13.11 mi13:49:212:27:1011:148:20
12:13
+0:50
25K
15.53 mi14:15:532:53:4211:1126:32
10:57
-1:16
30K
18.64 mi14:51:193:29:0811:1335:26
11:24
+0:27
20M
20.00 mi15:06:283:44:1711:1315:09
11:09
-0:15
21M
21.00 mi15:18:083:55:5711:1411:40
11:40
+0:31
35K
21.75 mi15:26:104:03:5911:138:02
10:44
-0:56
23M
23.00 mi15:39:524:17:4111:1213:42
10:57
+0:13
24M
24.00 mi15:50:024:27:5111:1010:10
10:10
-0:47
40K
24.85 mi15:59:174:37:0611:099:15
10:49
+0:39
25.2M
25.20 mi16:03:004:40:4911:093:43
10:47
-0:02
Finish
26.22 mi16:13:054:50:5411:0610:05
9:54
-0:53

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

9:54 /mi

Average Pace

11:06 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

20:15

7% of race

Time at Steady Pace

2:24:47

50% of race

Time at Slower Pace

2:05:52

43% of race

Average Pace: 11:06 /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 mi11:57:1435:0311:1735:03
11:17
#26005
10K
6.21 mi12:31:211:09:1011:0834:07
10:59
#25756
15K
9.32 mi13:05:381:43:2711:0634:17
11:02
#25573
20K
12.43 mi13:41:012:18:5011:1035:23
11:23
#25447
Half
13.11 mi13:49:212:27:1011:148:20
12:13
#25484
25K
15.53 mi14:15:532:53:4211:1126:32
10:57
#25249
30K
18.64 mi14:51:193:29:0811:1335:26
11:24
#24997
20M
20.00 mi15:06:283:44:1711:1315:09
11:09
#24849
21M
21.00 mi15:18:083:55:5711:1411:40
11:40
#24751
35K
21.75 mi15:26:104:03:5911:138:02
10:44
#24691
23M
23.00 mi15:39:524:17:4111:1213:42
10:57
#24556
24M
24.00 mi15:50:024:27:5111:1010:10
10:10
#24441
40K
24.85 mi15:59:174:37:0611:099:15
10:49
#24374
25.2M
25.20 mi16:03:004:40:4911:093:43
10:47
#24309
Finish
26.22 mi16:13:054:50:5411:0610:05
9:54
#24246
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi26005149321493225223(Top 95%)14618(Top 96%)14618(Top 277%)
10K6.21 mi3.10 mi25756+24914838+9414838+9425444(Top 96%)14722(Top 97%)14722(Top 279%)
15K9.32 mi3.11 mi25573+18314771+6714771+6725223(Top 95%)14618(Top 96%)14618(Top 277%)
20K12.43 mi3.11 mi25447+12614711+6014711+6025107(Top 94%)14540(Top 96%)14540(Top 275%)
Half13.11 mi0.68 mi25484-3714725-1414725-1426000(Top 98%)14917(Top 98%)14917(Top 282%)
25K15.53 mi2.42 mi25249+23514615+11014615+11023870(Top 90%)13961(Top 92%)13961(Top 264%)
30K18.64 mi3.11 mi24997+25214491+12414491+12423728(Top 89%)13853(Top 91%)13853(Top 262%)
20M20.00 mi1.36 mi24849+14814413+7814413+7822945(Top 86%)13449(Top 89%)13449(Top 254%)
21M21.00 mi1.00 mi24751+9814368+4514368+4522182(Top 83%)13063(Top 86%)13063(Top 247%)
35K21.75 mi0.75 mi24691+6014335+3314335+3322808(Top 86%)13301(Top 88%)13301(Top 252%)
23M23.00 mi1.25 mi24556+13514274+6114274+6122231(Top 84%)13029(Top 86%)13029(Top 247%)
24M24.00 mi1.00 mi24441+11514207+6714207+6721232(Top 80%)12530(Top 83%)12530(Top 237%)
40K24.85 mi0.85 mi24374+6714170+3714170+3721971(Top 83%)12818(Top 84%)12818(Top 243%)
25.2M25.20 mi0.35 mi24309+6514138+3214138+3219910(Top 75%)11889(Top 78%)11889(Top 225%)
Finish26.22 mi1.02 mi24246+6314113+2514113+2521463(Top 81%)12623(Top 83%)12623(Top 239%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25223

Males

14618

M18-39

14618

5K→10K

3.1 - 6.2 mi

Top 96%
×5stories
+79ft-138ft

Overall

25444

Males

14722

M18-39

14722

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25223

Males

14618

M18-39

14618

15K→20K

9.3 - 12.4 mi

Top 94%
×5stories
+106ft-86ft

Overall

25107

Males

14540

M18-39

14540

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

26000

Males

14917

M18-39

14917

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

23870

Males

13961

M18-39

13961

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

23728

Males

13853

M18-39

13853

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

22945

Males

13449

M18-39

13449

20M→21M

20.0 - 21.0 mi

Top 83%
×8stories
+106ft-24ft

Overall

22182

Males

13063

M18-39

13063

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22808

Males

13301

M18-39

13301

35K→23M

21.8 - 23.0 mi

Top 84%
×5stories
+23ft-63ft

Overall

22231

Males

13029

M18-39

13029

23M→24M

23.0 - 24.0 mi

Top 80%
×6stories
+12ft-82ft

Overall

21232

Males

12530

M18-39

12530

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

21971

Males

12818

M18-39

12818

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19910

Males

11889

M18-39

11889

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

21463

Males

12623

M18-39

12623

Passing Analysis

Category:
Athletes Passed
1896
Passed By
137
Net Change
+1759
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26005
5K → 10K28435+249#26005#25756
10K → 15K20219+183#25756#25573
15K → 20K15327+126#25573#25447
20K → Half239-37#25447#25484
Half → 25K2361+235#25484#25249
25K → 30K2553+252#25249#24997
30K → 20M1502+148#24997#24849
20M → 21M991+98#24849#24751
21M → 35K600+60#24751#24691
35K → 23M1361+135#24691#24556
23M → 24M1150+115#24556#24441
24M → 40K725+67#24441#24374
40K → 25.2M650+65#24374#24309
25.2M → Finish674+63#24309#24246
TOTALS1896137+1759
📊

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