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BOSTON MARATHON 2023

Brendan Delaney

Bib: 927•M

FL

0:00
0:00
/ mi
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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
18:33
Rank: #639
Start → 5K
18:33 | 5:58/mi
10K· 6.21 mi
38:11
Rank: #1065 (-426)
5K → 10K
19:38 | 6:19/mi
15K· 9.32 mi
58:06
Rank: #1304 (-239)
10K → 15K
19:55 | 6:25/mi
20K· 12.43 mi
1:18:31
Rank: #1602 (-298)
15K → 20K
20:25 | 6:34/mi
Half· 13.11 mi
1:23:11
Rank: #1722 (-120)
20K → Half
4:40 | 6:50/mi
25K· 15.53 mi
1:39:15
Rank: #1844 (-122)
Half → 25K
16:04 | 6:38/mi
30K· 18.64 mi
2:01:04
Rank: #2208 (-364)
25K → 30K
21:49 | 7:01/mi
20M
2:10:39
Rank: #2306 (-98)
30K → 20M
9:35 | 7:03/mi
21M
2:18:18
Rank: #2410 (-104)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:23:27
Rank: #2463 (-53)
21M → 35K
5:09 | 6:53/mi
23M
2:32:15
Rank: #2475 (-12)
35K → 23M
8:48 | 7:02/mi
24M
2:39:02
Rank: #2494 (-19)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:45:02
Rank: #2538 (-44)
24M → 40K
6:00 | 7:01/mi
25.2M
2:47:45
Rank: #2587 (-49)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
2:54:56
Rank: #2683 (-96)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:11
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:31:45
Pace7:00 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3618:335:5818:33
5:58
-
10K
6.21 mi10:38:1438:116:0919:38
6:19
+0:21
15K
9.32 mi10:58:0958:066:1419:55
6:25
+0:06
20K
12.43 mi11:18:341:18:316:1920:25
6:34
+0:09
Half
13.11 mi11:23:141:23:116:214:40
6:50
+0:16
25K
15.53 mi11:39:181:39:156:2316:04
6:38
-0:12
30K
18.64 mi12:01:072:01:046:3021:49
7:01
+0:23
20M
20.00 mi12:10:422:10:396:329:35
7:03
+0:02
21M
21.00 mi12:18:212:18:186:357:39
7:39
+0:36
35K
21.75 mi12:23:302:23:276:365:09
6:53
-0:46
23M
23.00 mi12:32:182:32:156:378:48
7:02
+0:09
24M
24.00 mi12:39:052:39:026:386:47
6:47
-0:15
40K
24.85 mi12:45:052:45:026:386:00
7:01
+0:14
25.2M
25.20 mi12:47:482:47:456:392:43
7:53
+0:52
Finish
26.22 mi12:54:592:54:566:417:11
7:03
-0:50

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

5:58 /mi

Average Pace

6:41 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:34:35

54% of race

Time at Steady Pace

1:09:59

40% of race

Time at Slower Pace

10:22

6% 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 mi10:18:3618:335:5818:33
5:58
#639
10K
6.21 mi10:38:1438:116:0919:38
6:19
#1065
15K
9.32 mi10:58:0958:066:1419:55
6:25
#1304
20K
12.43 mi11:18:341:18:316:1920:25
6:34
#1602
Half
13.11 mi11:23:141:23:116:214:40
6:50
#1722
25K
15.53 mi11:39:181:39:156:2316:04
6:38
#1844
30K
18.64 mi12:01:072:01:046:3021:49
7:01
#2208
20M
20.00 mi12:10:422:10:396:329:35
7:03
#2306
21M
21.00 mi12:18:212:18:186:357:39
7:39
#2410
35K
21.75 mi12:23:302:23:276:365:09
6:53
#2463
23M
23.00 mi12:32:182:32:156:378:48
7:02
#2475
24M
24.00 mi12:39:052:39:026:386:47
6:47
#2494
40K
24.85 mi12:45:052:45:026:386:00
7:01
#2538
25.2M
25.20 mi12:47:482:47:456:392:43
7:53
#2587
Finish
26.22 mi12:54:592:54:566:417:11
7:03
#2683
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6395955952172(Top 8%)2085(Top 14%)2085(Top 39%)
10K6.21 mi3.10 mi1065-4261008-4131008-4131856(Top 7%)1776(Top 12%)1776(Top 34%)
15K9.32 mi3.11 mi1304-2391241-2331241-2332172(Top 8%)2085(Top 14%)2085(Top 39%)
20K12.43 mi3.11 mi1602-2981531-2901531-2902681(Top 10%)2564(Top 17%)2564(Top 49%)
Half13.11 mi0.68 mi1722-1201648-1171648-1175686(Top 21%)5220(Top 34%)5220(Top 99%)
25K15.53 mi2.42 mi1844-1221763-1151763-1152896(Top 11%)2766(Top 18%)2766(Top 52%)
30K18.64 mi3.11 mi2208-3642118-3552118-3554511(Top 17%)4175(Top 28%)4175(Top 79%)
20M20.00 mi1.36 mi2306-982213-952213-954373(Top 16%)4022(Top 27%)4022(Top 76%)
21M21.00 mi1.00 mi2410-1042309-962309-965396(Top 20%)4749(Top 31%)4749(Top 90%)
35K21.75 mi0.75 mi2463-532359-502359-504744(Top 18%)4280(Top 28%)4280(Top 81%)
23M23.00 mi1.25 mi2475-122368-92368-93949(Top 15%)3631(Top 24%)3631(Top 69%)
24M24.00 mi1.00 mi2494-192385-172385-173598(Top 14%)3297(Top 22%)3297(Top 62%)
40K24.85 mi0.85 mi2538-442423-382423-383979(Top 15%)3561(Top 23%)3561(Top 67%)
25.2M25.20 mi0.35 mi2587-492469-462469-465934(Top 22%)4866(Top 32%)4866(Top 92%)
Finish26.22 mi1.02 mi2683-962553-842553-845565(Top 21%)4619(Top 30%)4619(Top 87%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2172

Males

2085

M18-39

2085

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1856

Males

1776

M18-39

1776

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2172

Males

2085

M18-39

2085

15K→20K

9.3 - 12.4 mi

Top 10%
×5stories
+106ft-86ft

Overall

2681

Males

2564

M18-39

2564

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5686

Males

5220

M18-39

5220

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2896

Males

2766

M18-39

2766

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4511

Males

4175

M18-39

4175

30K→20M

18.6 - 20.0 mi

Top 16%
×5stories
+64ft-50ft

Overall

4373

Males

4022

M18-39

4022

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5396

Males

4749

M18-39

4749

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4744

Males

4280

M18-39

4280

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3949

Males

3631

M18-39

3631

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3598

Males

3297

M18-39

3297

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3979

Males

3561

M18-39

3561

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

5934

Males

4866

M18-39

4866

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5565

Males

4619

M18-39

4619

Passing Analysis

Category:
Athletes Passed
152
Passed By
2196
Net Change
-2044
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#639
5K → 10K0426-426#639#1065
10K → 15K3242-239#1065#1304
15K → 20K5303-298#1304#1602
20K → Half0120-120#1602#1722
Half → 25K9131-122#1722#1844
25K → 30K12376-364#1844#2208
30K → 20M18116-98#2208#2306
20M → 21M8112-104#2306#2410
21M → 35K1265-53#2410#2463
35K → 23M3143-12#2463#2475
23M → 24M1736-19#2475#2494
24M → 40K1862-44#2494#2538
40K → 25.2M554-49#2538#2587
25.2M → Finish14110-96#2587#2683
TOTALS1522196-2044
📊

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