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BOSTON MARATHON 2023

Scott Cox

Bib: 18604•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:57
Rank: #16503
Start → 5K
25:57 | 8:21/mi
10K· 6.21 mi
51:38
Rank: #16565 (-62)
5K → 10K
25:41 | 8:16/mi
15K· 9.32 mi
1:17:31
Rank: #16626 (-61)
10K → 15K
25:53 | 8:20/mi
20K· 12.43 mi
1:43:30
Rank: #16482 (+144)
15K → 20K
25:59 | 8:22/mi
Half· 13.11 mi
1:49:05
Rank: #16438 (+44)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:09:22
Rank: #16242 (+196)
Half → 25K
20:17 | 8:22/mi
30K· 18.64 mi
2:36:11
Rank: #16006 (+236)
25K → 30K
26:49 | 8:38/mi
20M
2:48:02
Rank: #15916 (+90)
30K → 20M
11:51 | 8:43/mi
21M
2:57:01
Rank: #15714 (+202)
20M → 21M
8:59 | 8:59/mi
35K· 21.75 mi
3:03:25
Rank: #15706 (+8)
21M → 35K
6:24 | 8:33/mi
23M
3:14:12
Rank: #15577 (+129)
35K → 23M
10:47 | 8:37/mi
24M
3:22:39
Rank: #15509 (+68)
23M → 24M
8:27 | 8:27/mi
40K· 24.85 mi
3:29:55
Rank: #15433 (+76)
24M → 40K
7:16 | 8:30/mi
25.2M
3:33:12
Rank: #15415 (+18)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:41:58
Rank: #15443 (-28)
25.2M → Finish
8:46 | 8:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:05
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:52:53
Pace8:37 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1325:578:2125:57
8:21
-
10K
6.21 mi11:42:5451:388:1925:41
8:16
-0:05
15K
9.32 mi12:08:471:17:318:1925:53
8:20
+0:04
20K
12.43 mi12:34:461:43:308:2025:59
8:22
+0:02
Half
13.11 mi12:40:211:49:058:195:35
8:11
-0:11
25K
15.53 mi13:00:382:09:228:2020:17
8:22
+0:11
30K
18.64 mi13:27:272:36:118:2326:49
8:38
+0:16
20M
20.00 mi13:39:182:48:028:2411:51
8:43
+0:05
21M
21.00 mi13:48:172:57:018:268:59
8:59
+0:16
35K
21.75 mi13:54:413:03:258:266:24
8:33
-0:26
23M
23.00 mi14:05:283:14:128:2710:47
8:37
+0:04
24M
24.00 mi14:13:553:22:398:278:27
8:27
-0:10
40K
24.85 mi14:21:113:29:558:277:16
8:30
+0:03
25.2M
25.20 mi14:24:283:33:128:283:17
9:31
+1:01
Finish
26.22 mi14:33:143:41:588:288:46
8:36
-0:55

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

8:11 /mi

Average Pace

8:28 /mi

Slowest Pace

9:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:41

99% of race

Time at Steady Pace

3:17

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:28 /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 mi11:17:1325:578:2125:57
8:21
#16503
10K
6.21 mi11:42:5451:388:1925:41
8:16
#16565
15K
9.32 mi12:08:471:17:318:1925:53
8:20
#16626
20K
12.43 mi12:34:461:43:308:2025:59
8:22
#16482
Half
13.11 mi12:40:211:49:058:195:35
8:11
#16438
25K
15.53 mi13:00:382:09:228:2020:17
8:22
#16242
30K
18.64 mi13:27:272:36:118:2326:49
8:38
#16006
20M
20.00 mi13:39:182:48:028:2411:51
8:43
#15916
21M
21.00 mi13:48:172:57:018:268:59
8:59
#15714
35K
21.75 mi13:54:413:03:258:266:24
8:33
#15706
23M
23.00 mi14:05:283:14:128:2710:47
8:37
#15577
24M
24.00 mi14:13:553:22:398:278:27
8:27
#15509
40K
24.85 mi14:21:113:29:558:277:16
8:30
#15433
25.2M
25.20 mi14:24:283:33:128:283:17
9:31
#15415
Finish
26.22 mi14:33:143:41:588:288:46
8:36
#15443
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16503108771087716721(Top 63%)10956(Top 72%)10956(Top 770%)
10K6.21 mi3.10 mi16565-6210925-4810925-4816682(Top 63%)10978(Top 72%)10978(Top 772%)
15K9.32 mi3.11 mi16626-6110928-310928-316721(Top 63%)10956(Top 72%)10956(Top 770%)
20K12.43 mi3.11 mi16482+14410865+6310865+6316008(Top 60%)10637(Top 70%)10637(Top 748%)
Half13.11 mi0.68 mi16438+4410839+2610839+2615625(Top 59%)10533(Top 69%)10533(Top 741%)
25K15.53 mi2.42 mi16242+19610743+9610743+9615349(Top 58%)10282(Top 68%)10282(Top 723%)
30K18.64 mi3.11 mi16006+23610605+13810605+13815107(Top 57%)10090(Top 66%)10090(Top 710%)
20M20.00 mi1.36 mi15916+9010546+5910546+5914968(Top 56%)9978(Top 66%)9978(Top 702%)
21M21.00 mi1.00 mi15714+20210442+10410442+10413306(Top 50%)9187(Top 61%)9187(Top 646%)
35K21.75 mi0.75 mi15706+810426+1610426+1615574(Top 59%)10102(Top 67%)10102(Top 710%)
23M23.00 mi1.25 mi15577+12910344+8210344+8213856(Top 52%)9308(Top 61%)9308(Top 655%)
24M24.00 mi1.00 mi15509+6810305+3910305+3914173(Top 53%)9384(Top 62%)9384(Top 660%)
40K24.85 mi0.85 mi15433+7610262+4310262+4313315(Top 50%)8933(Top 59%)8933(Top 628%)
25.2M25.20 mi0.35 mi15415+1810252+1010252+1015233(Top 57%)9774(Top 64%)9774(Top 687%)
Finish26.22 mi1.02 mi15443-2810250+210250+215976(Top 60%)10162(Top 67%)10162(Top 715%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21stories
+97ft-345ft

Overall

16721

Males

10956

M55-59

10956

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16682

Males

10978

M55-59

10978

10K→15K

6.2 - 9.3 mi

Top 63%
×3stories
+67ft-78ft

Overall

16721

Males

10956

M55-59

10956

15K→20K

9.3 - 12.4 mi

Top 60%
×5stories
+106ft-86ft

Overall

16008

Males

10637

M55-59

10637

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15625

Males

10533

M55-59

10533

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

15349

Males

10282

M55-59

10282

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15107

Males

10090

M55-59

10090

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14968

Males

9978

M55-59

9978

20M→21M

20.0 - 21.0 mi

Top 50%
×8stories
+106ft-24ft

Overall

13306

Males

9187

M55-59

9187

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15574

Males

10102

M55-59

10102

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13856

Males

9308

M55-59

9308

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14173

Males

9384

M55-59

9384

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

13315

Males

8933

M55-59

8933

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15233

Males

9774

M55-59

9774

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

15976

Males

10162

M55-59

10162

Passing Analysis

Category:
Athletes Passed
2135
Passed By
1075
Net Change
+1060
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16503
5K → 10K270332-62#16503#16565
10K → 15K179240-61#16565#16626
15K → 20K23793+144#16626#16482
20K → Half539+44#16482#16438
Half → 25K24448+196#16438#16242
25K → 30K30266+236#16242#16006
30K → 20M13747+90#16006#15916
20M → 21M21311+202#15916#15714
21M → 35K4941+8#15714#15706
35K → 23M15324+129#15706#15577
23M → 24M9628+68#15577#15509
24M → 40K10024+76#15509#15433
40K → 25.2M4123+18#15433#15415
25.2M → Finish6189-28#15415#15443
TOTALS21351075+1060
📊

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