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BOSTON MARATHON 2023

Landon Delozier

Bib: 2974•M

AL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 17%
Gender (Male)
#0 / 15176
Top 28%
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
20:35
Rank: #3062
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
40:45
Rank: #2856 (+206)
5K → 10K
20:10 | 6:29/mi
15K· 9.32 mi
1:00:51
Rank: #2694 (+162)
10K → 15K
20:06 | 6:28/mi
20K· 12.43 mi
1:21:06
Rank: #2607 (+87)
15K → 20K
20:15 | 6:31/mi
Half· 13.11 mi
1:25:32
Rank: #2607
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:41:28
Rank: #2583 (+24)
Half → 25K
15:56 | 6:34/mi
30K· 18.64 mi
2:03:07
Rank: #2772 (-189)
25K → 30K
21:39 | 6:58/mi
20M
2:13:22
Rank: #3057 (-285)
30K → 20M
10:15 | 7:33/mi
21M
2:21:35
Rank: #3381 (-324)
20M → 21M
8:13 | 8:13/mi
35K· 21.75 mi
2:26:50
Rank: #3466 (-85)
21M → 35K
5:15 | 7:01/mi
23M
2:36:40
Rank: #3855 (-389)
35K → 23M
9:50 | 7:51/mi
24M
2:44:19
Rank: #4146 (-291)
23M → 24M
7:39 | 7:39/mi
40K· 24.85 mi
2:50:50
Rank: #4301 (-155)
24M → 40K
6:31 | 7:37/mi
25.2M
2:53:55
Rank: #4416 (-115)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:01:19
Rank: #4486 (-70)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:32
Pace6:31 /mi
2nd Half
Distance13.11 mi
Time1:35:47
Pace7:18 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:2720:356:3820:35
6:38
-
10K
6.21 mi10:41:3740:456:3320:10
6:29
-0:09
15K
9.32 mi11:01:431:00:516:3220:06
6:28
-0:01
20K
12.43 mi11:21:581:21:066:3220:15
6:31
+0:03
Half
13.11 mi11:26:241:25:326:314:26
6:30
-0:01
25K
15.53 mi11:42:201:41:286:3215:56
6:34
+0:04
30K
18.64 mi12:03:592:03:076:3621:39
6:58
+0:24
20M
20.00 mi12:14:142:13:226:4010:15
7:33
+0:35
21M
21.00 mi12:22:272:21:356:458:13
8:13
+0:40
35K
21.75 mi12:27:422:26:506:455:15
7:01
-1:12
23M
23.00 mi12:37:322:36:406:499:50
7:51
+0:50
24M
24.00 mi12:45:112:44:196:517:39
7:39
-0:12
40K
24.85 mi12:51:422:50:506:526:31
7:37
-0:02
25.2M
25.20 mi12:54:472:53:556:543:05
8:56
+1:19
Finish
26.22 mi13:02:113:01:196:557:24
7:16
-1:40

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

6:55 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:28

56% of race

Time at Steady Pace

34:18

19% of race

Time at Slower Pace

45:33

25% of race

Average Pace: 6:55 /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 mi10:21:2720:356:3820:35
6:38
#3062
10K
6.21 mi10:41:3740:456:3320:10
6:29
#2856
15K
9.32 mi11:01:431:00:516:3220:06
6:28
#2694
20K
12.43 mi11:21:581:21:066:3220:15
6:31
#2607
Half
13.11 mi11:26:241:25:326:314:26
6:30
#2607
25K
15.53 mi11:42:201:41:286:3215:56
6:34
#2583
30K
18.64 mi12:03:592:03:076:3621:39
6:58
#2772
20M
20.00 mi12:14:142:13:226:4010:15
7:33
#3057
21M
21.00 mi12:22:272:21:356:458:13
8:13
#3381
35K
21.75 mi12:27:422:26:506:455:15
7:01
#3466
23M
23.00 mi12:37:322:36:406:499:50
7:51
#3855
24M
24.00 mi12:45:112:44:196:517:39
7:39
#4146
40K
24.85 mi12:51:422:50:506:526:31
7:37
#4301
25.2M
25.20 mi12:54:472:53:556:543:05
8:56
#4416
Finish
26.22 mi13:02:113:01:196:557:24
7:16
#4486
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3062290229022466(Top 9%)2366(Top 16%)2366(Top 45%)
10K6.21 mi3.10 mi2856+2062722+1802722+1802737(Top 10%)2618(Top 17%)2618(Top 50%)
15K9.32 mi3.11 mi2694+1622573+1492573+1492466(Top 9%)2366(Top 16%)2366(Top 45%)
20K12.43 mi3.11 mi2607+872492+812492+812393(Top 9%)2293(Top 15%)2293(Top 43%)
Half13.11 mi0.68 mi26072493-12493-12839(Top 11%)2723(Top 18%)2723(Top 52%)
25K15.53 mi2.42 mi2583+242471+222471+222560(Top 10%)2450(Top 16%)2450(Top 46%)
30K18.64 mi3.11 mi2772-1892650-1792650-1794145(Top 16%)3866(Top 25%)3866(Top 73%)
20M20.00 mi1.36 mi3057-2852912-2622912-2627039(Top 26%)5991(Top 39%)5991(Top 113%)
21M21.00 mi1.00 mi3381-3243202-2903202-2908665(Top 33%)6870(Top 45%)6870(Top 130%)
35K21.75 mi0.75 mi3466-853283-813283-815393(Top 20%)4789(Top 32%)4789(Top 91%)
23M23.00 mi1.25 mi3855-3893627-3443627-3448730(Top 33%)6811(Top 45%)6811(Top 129%)
24M24.00 mi1.00 mi4146-2913883-2563883-2568693(Top 33%)6711(Top 44%)6711(Top 127%)
40K24.85 mi0.85 mi4301-1554018-1354018-1357403(Top 28%)5863(Top 39%)5863(Top 111%)
25.2M25.20 mi0.35 mi4416-1154119-1014119-10112058(Top 45%)8252(Top 54%)8252(Top 156%)
Finish26.22 mi1.02 mi4486-704174-554174-556794(Top 26%)5429(Top 36%)5429(Top 103%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2466

Males

2366

M18-39

2366

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2737

Males

2618

M18-39

2618

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2466

Males

2366

M18-39

2366

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2393

Males

2293

M18-39

2293

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2839

Males

2723

M18-39

2723

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2560

Males

2450

M18-39

2450

25K→30K

15.5 - 18.6 mi

Top 16%
×9stories
+181ft-148ft

Overall

4145

Males

3866

M18-39

3866

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

7039

Males

5991

M18-39

5991

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8665

Males

6870

M18-39

6870

21M→35K

21.0 - 21.8 mi

Top 20%
×7stories
+17ft-86ft

Overall

5393

Males

4789

M18-39

4789

35K→23M

21.8 - 23.0 mi

Top 33%
×5stories
+23ft-63ft

Overall

8730

Males

6811

M18-39

6811

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8693

Males

6711

M18-39

6711

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7403

Males

5863

M18-39

5863

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

12058

Males

8252

M18-39

8252

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6794

Males

5429

M18-39

5429

Passing Analysis

Category:
Athletes Passed
801
Passed By
2225
Net Change
-1424
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3062
5K → 10K28377+206#3062#2856
10K → 15K18321+162#2856#2694
15K → 20K11831+87#2694#2607
20K → Half14140#2607#2607
Half → 25K6541+24#2607#2583
25K → 30K27216-189#2583#2772
30K → 20M8293-285#2772#3057
20M → 21M4328-324#3057#3381
21M → 35K1499-85#3381#3466
35K → 23M12401-389#3466#3855
23M → 24M12303-291#3855#4146
24M → 40K24179-155#4146#4301
40K → 25.2M6121-115#4301#4416
25.2M → Finish31101-70#4416#4486
TOTALS8012225-1424
📊

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