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BOSTON MARATHON 2023

Mark Claycomb

Bib: 14510•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:36
Rank: #15709
Start → 5K
25:36 | 8:14/mi
10K· 6.21 mi
51:00
Rank: #15871 (-162)
5K → 10K
25:24 | 8:11/mi
15K· 9.32 mi
1:16:02
Rank: #15523 (+348)
10K → 15K
25:02 | 8:03/mi
20K· 12.43 mi
1:40:58
Rank: #15047 (+476)
15K → 20K
24:56 | 8:02/mi
Half· 13.11 mi
1:46:16
Rank: #14919 (+128)
20K → Half
5:18 | 7:46/mi
25K· 15.53 mi
2:05:22
Rank: #14424 (+495)
Half → 25K
19:06 | 7:53/mi
30K· 18.64 mi
2:30:23
Rank: #13831 (+593)
25K → 30K
25:01 | 8:03/mi
20M
2:41:32
Rank: #13644 (+187)
30K → 20M
11:09 | 8:12/mi
21M
2:50:08
Rank: #13462 (+182)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:56:14
Rank: #13433 (+29)
21M → 35K
6:06 | 8:09/mi
23M
3:06:35
Rank: #13294 (+139)
35K → 23M
10:21 | 8:16/mi
24M
3:14:45
Rank: #13232 (+62)
23M → 24M
8:10 | 8:10/mi
40K· 24.85 mi
3:21:47
Rank: #13144 (+88)
24M → 40K
7:02 | 8:14/mi
25.2M
3:24:50
Rank: #13096 (+48)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:33:11
Rank: #13107 (-11)
25.2M → Finish
8:21 | 8:12/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:46:16
Pace8:06 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:46:55
Pace8:09 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:2925:368:1425:36
8:14
-
10K
6.21 mi11:47:5351:008:1225:24
8:11
-0:03
15K
9.32 mi12:12:551:16:028:0925:02
8:03
-0:08
20K
12.43 mi12:37:511:40:588:0724:56
8:02
-0:01
Half
13.11 mi12:43:091:46:168:065:18
7:46
-0:16
25K
15.53 mi13:02:152:05:228:0419:06
7:53
+0:07
30K
18.64 mi13:27:162:30:238:0425:01
8:03
+0:10
20M
20.00 mi13:38:252:41:328:0511:09
8:12
+0:09
21M
21.00 mi13:47:012:50:088:068:36
8:36
+0:24
35K
21.75 mi13:53:072:56:148:066:06
8:09
-0:27
23M
23.00 mi14:03:283:06:358:0710:21
8:16
+0:07
24M
24.00 mi14:11:383:14:458:078:10
8:10
-0:06
40K
24.85 mi14:18:403:21:478:077:02
8:14
+0:04
25.2M
25.20 mi14:21:433:24:508:083:03
8:51
+0:37
Finish
26.22 mi14:30:043:33:118:088:21
8:12
-0:39

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

7:46 /mi

Average Pace

8:08 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:32

95% of race

Time at Steady Pace

11:39

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:08 /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 mi11:22:2925:368:1425:36
8:14
#15709
10K
6.21 mi11:47:5351:008:1225:24
8:11
#15871
15K
9.32 mi12:12:551:16:028:0925:02
8:03
#15523
20K
12.43 mi12:37:511:40:588:0724:56
8:02
#15047
Half
13.11 mi12:43:091:46:168:065:18
7:46
#14919
25K
15.53 mi13:02:152:05:228:0419:06
7:53
#14424
30K
18.64 mi13:27:162:30:238:0425:01
8:03
#13831
20M
20.00 mi13:38:252:41:328:0511:09
8:12
#13644
21M
21.00 mi13:47:012:50:088:068:36
8:36
#13462
35K
21.75 mi13:53:072:56:148:066:06
8:09
#13433
23M
23.00 mi14:03:283:06:358:0710:21
8:16
#13294
24M
24.00 mi14:11:383:14:458:078:10
8:10
#13232
40K
24.85 mi14:18:403:21:478:077:02
8:14
#13144
25.2M
25.20 mi14:21:433:24:508:083:03
8:51
#13096
Finish
26.22 mi14:30:043:33:118:088:21
8:12
#13107
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15709105881058814851(Top 56%)10233(Top 67%)10233(Top 922%)
10K6.21 mi3.10 mi15871-16210649-6110649-6116060(Top 60%)10727(Top 71%)10727(Top 966%)
15K9.32 mi3.11 mi15523+34810512+13710512+13714851(Top 56%)10233(Top 67%)10233(Top 922%)
20K12.43 mi3.11 mi15047+47610314+19810314+19813639(Top 51%)9723(Top 64%)9723(Top 876%)
Half13.11 mi0.68 mi14919+12810265+4910265+4912405(Top 47%)9241(Top 61%)9241(Top 833%)
25K15.53 mi2.42 mi14424+49510045+22010045+22011732(Top 44%)8806(Top 58%)8806(Top 793%)
30K18.64 mi3.11 mi13831+5939778+2679778+26711315(Top 43%)8509(Top 56%)8509(Top 767%)
20M20.00 mi1.36 mi13644+1879685+939685+9311729(Top 44%)8592(Top 57%)8592(Top 774%)
21M21.00 mi1.00 mi13462+1829595+909595+9011052(Top 42%)8146(Top 54%)8146(Top 734%)
35K21.75 mi0.75 mi13433+299567+289567+2813119(Top 49%)9034(Top 60%)9034(Top 814%)
23M23.00 mi1.25 mi13294+1399482+859482+8511627(Top 44%)8301(Top 55%)8301(Top 748%)
24M24.00 mi1.00 mi13232+629432+509432+5012357(Top 46%)8568(Top 56%)8568(Top 772%)
40K24.85 mi0.85 mi13144+889373+599373+5911522(Top 43%)8088(Top 53%)8088(Top 729%)
25.2M25.20 mi0.35 mi13096+489341+329341+3211550(Top 43%)8064(Top 53%)8064(Top 726%)
Finish26.22 mi1.02 mi13107-119327+149327+1413373(Top 50%)8958(Top 59%)8958(Top 807%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21stories
+97ft-345ft

Overall

14851

Males

10233

M60-64

10233

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

16060

Males

10727

M60-64

10727

10K→15K

6.2 - 9.3 mi

Top 56%
×3stories
+67ft-78ft

Overall

14851

Males

10233

M60-64

10233

15K→20K

9.3 - 12.4 mi

Top 51%
×5stories
+106ft-86ft

Overall

13639

Males

9723

M60-64

9723

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

12405

Males

9241

M60-64

9241

Half→25K

13.1 - 15.5 mi

Top 44%
×4stories
+66ft-88ft

Overall

11732

Males

8806

M60-64

8806

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11315

Males

8509

M60-64

8509

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

11729

Males

8592

M60-64

8592

20M→21M

20.0 - 21.0 mi

Top 42%
×8stories
+106ft-24ft

Overall

11052

Males

8146

M60-64

8146

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13119

Males

9034

M60-64

9034

35K→23M

21.8 - 23.0 mi

Top 44%
×5stories
+23ft-63ft

Overall

11627

Males

8301

M60-64

8301

23M→24M

23.0 - 24.0 mi

Top 46%
×6stories
+12ft-82ft

Overall

12357

Males

8568

M60-64

8568

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11522

Males

8088

M60-64

8088

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11550

Males

8064

M60-64

8064

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

13373

Males

8958

M60-64

8958

Passing Analysis

Category:
Athletes Passed
3313
Passed By
711
Net Change
+2602
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15709
5K → 10K218380-162#15709#15871
10K → 15K40961+348#15871#15523
15K → 20K50226+476#15523#15047
20K → Half1280+128#15047#14919
Half → 25K4961+495#14919#14424
25K → 30K6018+593#14424#13831
30K → 20M20417+187#13831#13644
20M → 21M19614+182#13644#13462
21M → 35K6738+29#13462#13433
35K → 23M16728+139#13433#13294
23M → 24M10240+62#13294#13232
24M → 40K11224+88#13232#13144
40K → 25.2M5810+48#13144#13096
25.2M → Finish5364-11#13096#13107
TOTALS3313711+2602
📊

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