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BOSTON MARATHON 2023

John Delano

Bib: 31092•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
31:09
Rank: #23502
Start → 5K
10:02/mi
31:09 split
10K· 6.21 mi
1:00:56
Rank: #23179 (+323)
5K → 10K
9:35/mi
29:47 split
15K· 9.32 mi
1:31:30
Rank: #23187 (-8)
10K → 15K
9:50/mi
30:34 split
20K· 12.43 mi
2:03:24
Rank: #23279 (-92)
15K → 20K
10:16/mi
31:54 split
Half· 13.11 mi
2:10:21
Rank: #23295 (-16)
20K → Half
10:11/mi
6:57 split
25K· 15.53 mi
2:37:41
Rank: #23510 (-215)
Half → 25K
11:16/mi
27:20 split
30K· 18.64 mi
3:14:57
Rank: #23716 (-206)
25K → 30K
12:00/mi
37:16 split
20M
3:29:52
Rank: #23632 (+84)
30K → 20M
10:59/mi
14:55 split
21M
3:42:21
Rank: #23639 (-7)
20M → 21M
12:29/mi
12:29 split
35K· 21.75 mi
3:50:10
Rank: #23598 (+41)
21M → 35K
10:27/mi
7:49 split
23M
4:04:09
Rank: #23565 (+33)
35K → 23M
11:10/mi
13:59 split
24M
4:14:31
Rank: #23503 (+62)
23M → 24M
10:22/mi
10:22 split
40K· 24.85 mi
4:23:42
Rank: #23444 (+59)
24M → 40K
10:44/mi
9:11 split
25.2M
4:27:32
Rank: #23403 (+41)
40K → 25.2M
11:07/mi
3:50 split
Finish· 26.22 mi
4:37:28
Rank: #23327 (+76)
25.2M → Finish
9:45/mi
9:56 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:21
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:27:07
Pace11:13 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:0731:0910:0231:09
10:02
-
10K
6.21 mi12:21:541:00:569:4829:47
9:35
-0:27
15K
9.32 mi12:52:281:31:309:4930:34
9:50
+0:15
20K
12.43 mi13:24:222:03:249:5631:54
10:16
+0:26
Half
13.11 mi13:31:192:10:219:576:57
10:11
-0:05
25K
15.53 mi13:58:392:37:4110:0927:20
11:16
+1:05
30K
18.64 mi14:35:553:14:5710:2737:16
12:00
+0:44
20M
20.00 mi14:50:503:29:5210:3014:55
10:59
-1:01
21M
21.00 mi15:03:193:42:2110:3512:29
12:29
+1:30
35K
21.75 mi15:11:083:50:1010:357:49
10:27
-2:02
23M
23.00 mi15:25:074:04:0910:3713:59
11:10
+0:43
24M
24.00 mi15:35:294:14:3110:3610:22
10:22
-0:48
40K
24.85 mi15:44:404:23:4210:379:11
10:44
+0:22
25.2M
25.20 mi15:48:304:27:3210:373:50
11:07
+0:23
Finish
26.22 mi15:58:264:37:2810:359:56
9:45
-1:22

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

9:35 /mi

Average Pace

10:35 /mi

Slowest Pace

12:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:26

37% of race

Time at Steady Pace

1:06:13

24% of race

Time at Slower Pace

1:49:49

40% of race

Average Pace: 10:35 /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 mi11:52:0731:0910:0231:09
10:02
#23502
10K
6.21 mi12:21:541:00:569:4829:47
9:35
#23179
15K
9.32 mi12:52:281:31:309:4930:34
9:50
#23187
20K
12.43 mi13:24:222:03:249:5631:54
10:16
#23279
Half
13.11 mi13:31:192:10:219:576:57
10:11
#23295
25K
15.53 mi13:58:392:37:4110:0927:20
11:16
#23510
30K
18.64 mi14:35:553:14:5710:2737:16
12:00
#23716
20M
20.00 mi14:50:503:29:5210:3014:55
10:59
#23632
21M
21.00 mi15:03:193:42:2110:3512:29
12:29
#23639
35K
21.75 mi15:11:083:50:1010:357:49
10:27
#23598
23M
23.00 mi15:25:074:04:0910:3713:59
11:10
#23565
24M
24.00 mi15:35:294:14:3110:3610:22
10:22
#23503
40K
24.85 mi15:44:404:23:4210:379:11
10:44
#23444
25.2M
25.20 mi15:48:304:27:3210:373:50
11:07
#23403
Finish
26.22 mi15:58:264:37:2810:359:56
9:45
#23327
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23502138351383523147(Top 87%)13701(Top 90%)13701(Top 259%)
10K6.21 mi3.10 mi23179+32313698+13713698+13722755(Top 85%)13523(Top 89%)13523(Top 256%)
15K9.32 mi3.11 mi23187-813717-1913717-1923147(Top 87%)13701(Top 90%)13701(Top 259%)
20K12.43 mi3.11 mi23279-9213756-3913756-3923411(Top 88%)13820(Top 91%)13820(Top 261%)
Half13.11 mi0.68 mi23295-1613767-1113767-1123630(Top 89%)13908(Top 92%)13908(Top 263%)
25K15.53 mi2.42 mi23510-21513863-9613863-9624364(Top 92%)14193(Top 94%)14193(Top 269%)
30K18.64 mi3.11 mi23716-20613935-7213935-7224486(Top 92%)14194(Top 94%)14194(Top 269%)
20M20.00 mi1.36 mi23632+8413883+5213883+5222670(Top 85%)13309(Top 88%)13309(Top 252%)
21M21.00 mi1.00 mi23639-713879+413879+423432(Top 88%)13634(Top 90%)13634(Top 258%)
35K21.75 mi0.75 mi23598+4113856+2313856+2322280(Top 84%)13057(Top 86%)13057(Top 247%)
23M23.00 mi1.25 mi23565+3313838+1813838+1822672(Top 85%)13236(Top 87%)13236(Top 250%)
24M24.00 mi1.00 mi23503+6213795+4313795+4321701(Top 82%)12736(Top 84%)12736(Top 241%)
40K24.85 mi0.85 mi23444+5913755+4013755+4021809(Top 82%)12745(Top 84%)12745(Top 241%)
25.2M25.20 mi0.35 mi23403+4113728+2713728+2720716(Top 78%)12267(Top 81%)12267(Top 232%)
Finish26.22 mi1.02 mi23327+7613681+4713681+4720966(Top 79%)12409(Top 82%)12409(Top 235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

23147

Males

13701

M18-39

13701

5K→10K

3.1 - 6.2 mi

Top 85%
×5story building
+79ft-138ft

Overall

22755

Males

13523

M18-39

13523

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

23147

Males

13701

M18-39

13701

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

23411

Males

13820

M18-39

13820

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

23630

Males

13908

M18-39

13908

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24364

Males

14193

M18-39

14193

25K→30K

15.5 - 18.6 mi

Top 92%
×9story building
+181ft-148ft

Overall

24486

Males

14194

M18-39

14194

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22670

Males

13309

M18-39

13309

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

23432

Males

13634

M18-39

13634

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22280

Males

13057

M18-39

13057

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22672

Males

13236

M18-39

13236

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21701

Males

12736

M18-39

12736

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21809

Males

12745

M18-39

12745

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20716

Males

12267

M18-39

12267

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

20966

Males

12409

M18-39

12409

Passing Analysis

Category:
Athletes Passed
1246
Passed By
1071
Net Change
+175
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23502
5K → 10K41592+323#23502#23179
10K → 15K131139-8#23179#23187
15K → 20K90182-92#23187#23279
20K → Half1935-16#23279#23295
Half → 25K33248-215#23295#23510
25K → 30K43249-206#23510#23716
30K → 20M10420+84#23716#23632
20M → 21M3643-7#23632#23639
21M → 35K487+41#23639#23598
35K → 23M6229+33#23598#23565
23M → 24M686+62#23565#23503
24M → 40K7415+59#23503#23444
40K → 25.2M421+41#23444#23403
25.2M → Finish815+76#23403#23327
TOTALS12461071+175
📊

Passing Visuals

Category:
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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