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BOSTON MARATHON 2023

Kenneth Deloff

Bib: 4927•M

NY

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
22:37
Rank: #7993
Start → 5K
22:37 | 7:17/mi
10K· 6.21 mi
45:36
Rank: #8716 (-723)
5K → 10K
22:59 | 7:24/mi
15K· 9.32 mi
1:08:46
Rank: #9029 (-313)
10K → 15K
23:10 | 7:27/mi
20K· 12.43 mi
1:32:30
Rank: #9359 (-330)
15K → 20K
23:44 | 7:38/mi
Half· 13.11 mi
1:37:35
Rank: #9373 (-14)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:58:22
Rank: #10653 (-1280)
Half → 25K
20:47 | 8:34/mi
30K· 18.64 mi
2:26:09
Rank: #11946 (-1293)
25K → 30K
27:47 | 8:57/mi
20M
2:39:06
Rank: #12661 (-715)
30K → 20M
12:57 | 9:32/mi
21M
2:51:47
Rank: #14069 (-1408)
20M → 21M
12:41 | 12:41/mi
35K· 21.75 mi
2:59:18
Rank: #14492 (-423)
21M → 35K
7:31 | 10:03/mi
23M
3:13:46
Rank: #15459 (-967)
35K → 23M
14:28 | 11:33/mi
24M
3:26:05
Rank: #16438 (-979)
23M → 24M
12:19 | 12:19/mi
40K· 24.85 mi
3:35:50
Rank: #16903 (-465)
24M → 40K
9:45 | 11:24/mi
25.2M
3:39:52
Rank: #17055 (-152)
40K → 25.2M
4:02 | 11:42/mi
Finish· 26.22 mi
3:49:25
Rank: #17217 (-162)
25.2M → Finish
9:33 | 9:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:35
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time2:11:50
Pace10:03 /mi
📊Positive Split: 35.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5922:377:1722:37
7:17
-
10K
6.21 mi10:47:5845:367:2022:59
7:24
+0:07
15K
9.32 mi11:11:081:08:467:2323:10
7:27
+0:03
20K
12.43 mi11:34:521:32:307:2723:44
7:38
+0:11
Half
13.11 mi11:39:571:37:357:275:05
7:27
-0:11
25K
15.53 mi12:00:441:58:227:3720:47
8:34
+1:07
30K
18.64 mi12:28:312:26:097:5027:47
8:57
+0:23
20M
20.00 mi12:41:282:39:067:5712:57
9:32
+0:35
21M
21.00 mi12:54:092:51:478:1112:41
12:41
+3:09
35K
21.75 mi13:01:402:59:188:157:31
10:03
-2:38
23M
23.00 mi13:16:083:13:468:2514:28
11:33
+1:30
24M
24.00 mi13:28:273:26:058:3512:19
12:19
+0:46
40K
24.85 mi13:38:123:35:508:419:45
11:24
-0:55
25.2M
25.20 mi13:42:143:39:528:434:02
11:42
+0:18
Finish
26.22 mi13:51:473:49:258:459:33
9:22
-2:20

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

7:17 /mi

Average Pace

8:45 /mi

Slowest Pace

12:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:35

43% of race

Time at Steady Pace

1:18:35

34% of race

Time at Slower Pace

53:15

23% of race

Average Pace: 8:45 /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 mi10:24:5922:377:1722:37
7:17
#7993
10K
6.21 mi10:47:5845:367:2022:59
7:24
#8716
15K
9.32 mi11:11:081:08:467:2323:10
7:27
#9029
20K
12.43 mi11:34:521:32:307:2723:44
7:38
#9359
Half
13.11 mi11:39:571:37:357:275:05
7:27
#9373
25K
15.53 mi12:00:441:58:227:3720:47
8:34
#10653
30K
18.64 mi12:28:312:26:097:5027:47
8:57
#11946
20M
20.00 mi12:41:282:39:067:5712:57
9:32
#12661
21M
21.00 mi12:54:092:51:478:1112:41
12:41
#14069
35K
21.75 mi13:01:402:59:188:157:31
10:03
#14492
23M
23.00 mi13:16:083:13:468:2514:28
11:33
#15459
24M
24.00 mi13:28:273:26:058:3512:19
12:19
#16438
40K
24.85 mi13:38:123:35:508:419:45
11:24
#16903
25.2M
25.20 mi13:42:143:39:528:434:02
11:42
#17055
Finish
26.22 mi13:51:473:49:258:459:33
9:22
#17217
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7993697669769829(Top 37%)8058(Top 53%)8058(Top 152%)
10K6.21 mi3.10 mi8716-7237412-4367412-4369616(Top 36%)7944(Top 52%)7944(Top 150%)
15K9.32 mi3.11 mi9029-3137581-1697581-1699829(Top 37%)8058(Top 53%)8058(Top 152%)
20K12.43 mi3.11 mi9359-3307769-1887769-18810414(Top 39%)8303(Top 55%)8303(Top 157%)
Half13.11 mi0.68 mi9373-147778-97778-99836(Top 37%)8029(Top 53%)8029(Top 152%)
25K15.53 mi2.42 mi10653-12808463-6858463-68516634(Top 62%)10821(Top 71%)10821(Top 205%)
30K18.64 mi3.11 mi11946-12938981-5188981-51816871(Top 63%)10859(Top 72%)10859(Top 205%)
20M20.00 mi1.36 mi12661-7159274-2939274-29318953(Top 71%)11655(Top 77%)11655(Top 221%)
21M21.00 mi1.00 mi14069-14089823-5499823-54923685(Top 89%)13746(Top 91%)13746(Top 260%)
35K21.75 mi0.75 mi14492-4239972-1499972-14921380(Top 80%)12649(Top 83%)12649(Top 239%)
23M23.00 mi1.25 mi15459-96710302-33010302-33023342(Top 88%)13546(Top 89%)13546(Top 256%)
24M24.00 mi1.00 mi16438-97910701-39910701-39924862(Top 93%)14225(Top 94%)14225(Top 269%)
40K24.85 mi0.85 mi16903-46510877-17610877-17623053(Top 87%)13341(Top 88%)13341(Top 252%)
25.2M25.20 mi0.35 mi17055-15210943-6610943-6621927(Top 82%)12804(Top 84%)12804(Top 242%)
Finish26.22 mi1.02 mi17217-16211002-5911002-5919636(Top 74%)11812(Top 78%)11812(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21stories
+97ft-345ft

Overall

9829

Males

8058

M18-39

8058

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9616

Males

7944

M18-39

7944

10K→15K

6.2 - 9.3 mi

Top 37%
×3stories
+67ft-78ft

Overall

9829

Males

8058

M18-39

8058

15K→20K

9.3 - 12.4 mi

Top 39%
×5stories
+106ft-86ft

Overall

10414

Males

8303

M18-39

8303

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9836

Males

8029

M18-39

8029

Half→25K

13.1 - 15.5 mi

Top 62%
×4stories
+66ft-88ft

Overall

16634

Males

10821

M18-39

10821

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16871

Males

10859

M18-39

10859

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18953

Males

11655

M18-39

11655

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23685

Males

13746

M18-39

13746

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

21380

Males

12649

M18-39

12649

35K→23M

21.8 - 23.0 mi

Top 88%
×5stories
+23ft-63ft

Overall

23342

Males

13546

M18-39

13546

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

24862

Males

14225

M18-39

14225

24M→40K

24.0 - 24.9 mi

Top 87%
×1story
+6ft-20ft

Overall

23053

Males

13341

M18-39

13341

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21927

Males

12804

M18-39

12804

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2stories
+22ft-21ft

Overall

19636

Males

11812

M18-39

11812

Passing Analysis

Category:
Athletes Passed
264
Passed By
9486
Net Change
-9224
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7993
5K → 10K39762-723#7993#8716
10K → 15K65378-313#8716#9029
15K → 20K56386-330#9029#9359
20K → Half1630-14#9359#9373
Half → 25K71285-1280#9373#10653
25K → 30K181311-1293#10653#11946
30K → 20M16731-715#11946#12661
20M → 21M21410-1408#12661#14069
21M → 35K4427-423#14069#14492
35K → 23M6973-967#14492#15459
23M → 24M2981-979#15459#16438
24M → 40K8473-465#16438#16903
40K → 25.2M1153-152#16903#17055
25.2M → Finish24186-162#17055#17217
TOTALS2649486-9224
📊

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