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BOSTON MARATHON 2023

Nathaniel King

Bib: 4513•M

AZ

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 27%
Gender (Male)
#0 / 15176
Top 41%
Masters (Masters Men)
#0 / 9891
Top 27%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:15
Rank: #9469
Start → 5K
23:15 | 7:29/mi
10K· 6.21 mi
46:22
Rank: #9668 (-199)
5K → 10K
23:07 | 7:26/mi
15K· 9.32 mi
1:09:28
Rank: #9633 (+35)
10K → 15K
23:06 | 7:26/mi
20K· 12.43 mi
1:32:53
Rank: #9601 (+32)
15K → 20K
23:25 | 7:32/mi
Half· 13.11 mi
1:37:57
Rank: #9595 (+6)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:55:42
Rank: #9202 (+393)
Half → 25K
17:45 | 7:19/mi
30K· 18.64 mi
2:19:08
Rank: #8856 (+346)
25K → 30K
23:26 | 7:33/mi
20M
2:29:08
Rank: #8613 (+243)
30K → 20M
10:00 | 7:22/mi
21M
2:36:47
Rank: #8392 (+221)
20M → 21M
7:39 | 7:39/mi
35K· 21.75 mi
2:41:52
Rank: #8187 (+205)
21M → 35K
5:05 | 6:48/mi
23M
2:50:54
Rank: #7918 (+269)
35K → 23M
9:02 | 7:13/mi
24M
2:57:42
Rank: #7645 (+273)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
3:03:44
Rank: #7476 (+169)
24M → 40K
6:02 | 7:03/mi
25.2M
3:06:25
Rank: #7447 (+29)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:13:10
Rank: #7202 (+245)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:37:57
Pace7:28 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:13
Pace7:16 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:1223:157:2923:15
7:29
-
10K
6.21 mi10:48:1946:227:2823:07
7:26
-0:03
15K
9.32 mi11:11:251:09:287:2723:06
7:26
0:00
20K
12.43 mi11:34:501:32:537:2823:25
7:32
+0:06
Half
13.11 mi11:39:541:37:577:285:04
7:26
-0:06
25K
15.53 mi11:57:391:55:427:2717:45
7:19
-0:07
30K
18.64 mi12:21:052:19:087:2823:26
7:33
+0:14
20M
20.00 mi12:31:052:29:087:2710:00
7:22
-0:11
21M
21.00 mi12:38:442:36:477:287:39
7:39
+0:17
35K
21.75 mi12:43:492:41:527:275:05
6:48
-0:51
23M
23.00 mi12:52:512:50:547:269:02
7:13
+0:25
24M
24.00 mi12:59:392:57:427:246:48
6:48
-0:25
40K
24.85 mi13:05:413:03:447:246:02
7:03
+0:15
25.2M
25.20 mi13:08:223:06:257:242:41
7:47
+0:44
Finish
26.22 mi13:15:073:13:107:226:45
6:37
-1:10

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

6:37 /mi

Average Pace

7:22 /mi

Slowest Pace

7:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

33:42

17% of race

Time at Steady Pace

2:39:28

83% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:22 /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 mi10:25:1223:157:2923:15
7:29
#9469
10K
6.21 mi10:48:1946:227:2823:07
7:26
#9668
15K
9.32 mi11:11:251:09:287:2723:06
7:26
#9633
20K
12.43 mi11:34:501:32:537:2823:25
7:32
#9601
Half
13.11 mi11:39:541:37:577:285:04
7:26
#9595
25K
15.53 mi11:57:391:55:427:2717:45
7:19
#9202
30K
18.64 mi12:21:052:19:087:2823:26
7:33
#8856
20M
20.00 mi12:31:052:29:087:2710:00
7:22
#8613
21M
21.00 mi12:38:442:36:477:287:39
7:39
#8392
35K
21.75 mi12:43:492:41:527:275:05
6:48
#8187
23M
23.00 mi12:52:512:50:547:269:02
7:13
#7918
24M
24.00 mi12:59:392:57:427:246:48
6:48
#7645
40K
24.85 mi13:05:413:03:447:246:02
7:03
#7476
25.2M
25.20 mi13:08:223:06:257:242:41
7:47
#7447
Finish
26.22 mi13:15:073:13:107:226:45
6:37
#7202
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi9469784878489628(Top 36%)7932(Top 52%)7932(Top 354%)
10K6.21 mi3.10 mi9668-1997964-1167964-1169954(Top 37%)8138(Top 54%)8138(Top 363%)
15K9.32 mi3.11 mi9633+357944+207944+209628(Top 36%)7932(Top 52%)7932(Top 354%)
20K12.43 mi3.11 mi9601+327918+267918+269592(Top 36%)7845(Top 52%)7845(Top 350%)
Half13.11 mi0.68 mi9595+67919-17919-19528(Top 36%)7809(Top 51%)7809(Top 348%)
25K15.53 mi2.42 mi9202+3937664+2557664+2557412(Top 28%)6424(Top 42%)6424(Top 287%)
30K18.64 mi3.11 mi8856+3467419+2457419+2457508(Top 28%)6389(Top 42%)6389(Top 285%)
20M20.00 mi1.36 mi8613+2437244+1757244+1755976(Top 22%)5276(Top 35%)5276(Top 235%)
21M21.00 mi1.00 mi8392+2217080+1647080+1645371(Top 20%)4743(Top 31%)4743(Top 212%)
35K21.75 mi0.75 mi8187+2056941+1396941+1394208(Top 16%)3858(Top 25%)3858(Top 172%)
23M23.00 mi1.25 mi7918+2696754+1876754+1874891(Top 18%)4390(Top 29%)4390(Top 196%)
24M24.00 mi1.00 mi7645+2736565+1896565+1893681(Top 14%)3380(Top 22%)3380(Top 151%)
40K24.85 mi0.85 mi7476+1696424+1416424+1414164(Top 16%)3725(Top 25%)3725(Top 166%)
25.2M25.20 mi0.35 mi7447+296394+306394+305287(Top 20%)4467(Top 29%)4467(Top 199%)
Finish26.22 mi1.02 mi7202+2456211+1836211+1833132(Top 12%)2827(Top 19%)2827(Top 126%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9628

Males

7932

M40-44

7932

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9954

Males

8138

M40-44

8138

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9628

Males

7932

M40-44

7932

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9592

Males

7845

M40-44

7845

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9528

Males

7809

M40-44

7809

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7412

Males

6424

M40-44

6424

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7508

Males

6389

M40-44

6389

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5976

Males

5276

M40-44

5276

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5371

Males

4743

M40-44

4743

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4208

Males

3858

M40-44

3858

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4891

Males

4390

M40-44

4390

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3681

Males

3380

M40-44

3380

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4164

Males

3725

M40-44

3725

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5287

Males

4467

M40-44

4467

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3132

Males

2827

M40-44

2827

Passing Analysis

Category:
Athletes Passed
3028
Passed By
761
Net Change
+2267
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9469
5K → 10K213412-199#9469#9668
10K → 15K183148+35#9668#9633
15K → 20K158126+32#9633#9601
20K → Half2923+6#9601#9595
Half → 25K3952+393#9595#9202
25K → 30K38135+346#9202#8856
30K → 20M2463+243#8856#8613
20M → 21M2243+221#8613#8392
21M → 35K2050+205#8392#8187
35K → 23M2712+269#8187#7918
23M → 24M2730+273#7918#7645
24M → 40K1712+169#7645#7476
40K → 25.2M345+29#7476#7447
25.2M → Finish2450+245#7447#7202
TOTALS3028761+2267
📊

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