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BOSTON MARATHON 2023

Bill Clements

Bib: 8685•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
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
23:07
Rank: #9141
Start → 5K
23:07 | 7:26/mi
10K· 6.21 mi
45:49
Rank: #8989 (+152)
5K → 10K
22:42 | 7:18/mi
15K· 9.32 mi
1:08:15
Rank: #8628 (+361)
10K → 15K
22:26 | 7:13/mi
20K· 12.43 mi
1:31:05
Rank: #8463 (+165)
15K → 20K
22:50 | 7:21/mi
Half· 13.11 mi
1:36:06
Rank: #8491 (-28)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:54:42
Rank: #8703 (-212)
Half → 25K
18:36 | 7:40/mi
30K· 18.64 mi
2:20:59
Rank: #9687 (-984)
25K → 30K
26:17 | 8:28/mi
20M
2:32:22
Rank: #9882 (-195)
30K → 20M
11:23 | 8:23/mi
21M
2:41:12
Rank: #10023 (-141)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:47:00
Rank: #10011 (+12)
21M → 35K
5:48 | 7:45/mi
23M
2:57:55
Rank: #10290 (-279)
35K → 23M
10:55 | 8:43/mi
24M
3:06:18
Rank: #10442 (-152)
23M → 24M
8:23 | 8:23/mi
40K· 24.85 mi
3:13:52
Rank: #10627 (-185)
24M → 40K
7:34 | 8:51/mi
25.2M
3:17:04
Rank: #10686 (-59)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:25:43
Rank: #10885 (-199)
25.2M → Finish
8:39 | 8:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:06
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:49:37
Pace8:22 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5723:077:2623:07
7:26
-
10K
6.21 mi11:11:3945:497:2222:42
7:18
-0:08
15K
9.32 mi11:34:051:08:157:1922:26
7:13
-0:05
20K
12.43 mi11:56:551:31:057:2022:50
7:21
+0:08
Half
13.11 mi12:01:561:36:067:205:01
7:21
0:00
25K
15.53 mi12:20:321:54:427:2318:36
7:40
+0:19
30K
18.64 mi12:46:492:20:597:3426:17
8:28
+0:48
20M
20.00 mi12:58:122:32:227:3711:23
8:23
-0:05
21M
21.00 mi13:07:022:41:127:418:50
8:50
+0:27
35K
21.75 mi13:12:502:47:007:415:48
7:45
-1:05
23M
23.00 mi13:23:452:57:557:4410:55
8:43
+0:58
24M
24.00 mi13:32:083:06:187:468:23
8:23
-0:20
40K
24.85 mi13:39:423:13:527:487:34
8:51
+0:28
25.2M
25.20 mi13:42:543:17:047:493:12
9:17
+0:26
Finish
26.22 mi13:51:333:25:437:518:39
8:29
-0:48

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

7:13 /mi

Average Pace

7:51 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:30

59% of race

Time at Steady Pace

54:42

27% of race

Time at Slower Pace

30:31

15% of race

Average Pace: 7:51 /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 mi10:48:5723:077:2623:07
7:26
#9141
10K
6.21 mi11:11:3945:497:2222:42
7:18
#8989
15K
9.32 mi11:34:051:08:157:1922:26
7:13
#8628
20K
12.43 mi11:56:551:31:057:2022:50
7:21
#8463
Half
13.11 mi12:01:561:36:067:205:01
7:21
#8491
25K
15.53 mi12:20:321:54:427:2318:36
7:40
#8703
30K
18.64 mi12:46:492:20:597:3426:17
8:28
#9687
20M
20.00 mi12:58:122:32:227:3711:23
8:23
#9882
21M
21.00 mi13:07:022:41:127:418:50
8:50
#10023
35K
21.75 mi13:12:502:47:007:415:48
7:45
#10011
23M
23.00 mi13:23:452:57:557:4410:55
8:43
#10290
24M
24.00 mi13:32:083:06:187:468:23
8:23
#10442
40K
24.85 mi13:39:423:13:527:487:34
8:51
#10627
25.2M
25.20 mi13:42:543:17:047:493:12
9:17
#10686
Finish
26.22 mi13:51:333:25:437:518:39
8:29
#10885
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi9141768776877942(Top 30%)6887(Top 45%)6887(Top 307%)
10K6.21 mi3.10 mi8989+1527573+1147573+1148900(Top 33%)7522(Top 50%)7522(Top 336%)
15K9.32 mi3.11 mi8628+3617346+2277346+2277942(Top 30%)6887(Top 45%)6887(Top 307%)
20K12.43 mi3.11 mi8463+1657233+1137233+1138145(Top 31%)6984(Top 46%)6984(Top 312%)
Half13.11 mi0.68 mi8491-287250-177250-179029(Top 34%)7545(Top 50%)7545(Top 337%)
25K15.53 mi2.42 mi8703-2127359-1097359-10910076(Top 38%)8034(Top 53%)8034(Top 359%)
30K18.64 mi3.11 mi9687-9847918-5597918-55914033(Top 53%)9663(Top 64%)9663(Top 431%)
20M20.00 mi1.36 mi9882-1958001-838001-8312844(Top 48%)9050(Top 60%)9050(Top 404%)
21M21.00 mi1.00 mi10023-1418049-488049-4812428(Top 47%)8765(Top 58%)8765(Top 391%)
35K21.75 mi0.75 mi10011+128021+288021+2810284(Top 39%)7777(Top 51%)7777(Top 347%)
23M23.00 mi1.25 mi10290-2798138-1178138-11714460(Top 54%)9548(Top 63%)9548(Top 426%)
24M24.00 mi1.00 mi10442-1528176-388176-3813724(Top 52%)9183(Top 61%)9183(Top 410%)
40K24.85 mi0.85 mi10627-1858239-638239-6315316(Top 58%)9814(Top 65%)9814(Top 438%)
25.2M25.20 mi0.35 mi10686-598262-238262-2314001(Top 53%)9219(Top 61%)9219(Top 411%)
Finish26.22 mi1.02 mi10885-1998334-728334-7215315(Top 58%)9856(Top 65%)9856(Top 440%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

7942

Males

6887

M40-44

6887

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8900

Males

7522

M40-44

7522

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

7942

Males

6887

M40-44

6887

15K→20K

9.3 - 12.4 mi

Top 31%
×5stories
+106ft-86ft

Overall

8145

Males

6984

M40-44

6984

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9029

Males

7545

M40-44

7545

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10076

Males

8034

M40-44

8034

25K→30K

15.5 - 18.6 mi

Top 53%
×9stories
+181ft-148ft

Overall

14033

Males

9663

M40-44

9663

30K→20M

18.6 - 20.0 mi

Top 48%
×5stories
+64ft-50ft

Overall

12844

Males

9050

M40-44

9050

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12428

Males

8765

M40-44

8765

21M→35K

21.0 - 21.8 mi

Top 39%
×7stories
+17ft-86ft

Overall

10284

Males

7777

M40-44

7777

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14460

Males

9548

M40-44

9548

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13724

Males

9183

M40-44

9183

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15316

Males

9814

M40-44

9814

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14001

Males

9219

M40-44

9219

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15315

Males

9856

M40-44

9856

Passing Analysis

Category:
Athletes Passed
1309*
Passed By
3050
Net Change
-1744
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9141
5K → 10K351199+152#9141#8989
10K → 15K38726+361#8989#8628
15K → 20K22257+165#8628#8463
20K → Half1240-28#8463#8491
Half → 25K46258-212#8491#8703
25K → 30K221006-984#8703#9687
30K → 20M47242-195#9687#9882
20M → 21M46185-141#9882#10023
21M → 35K53*41+12#10023#10011
35K → 23M27305-279#10011#10290
23M → 24M25177-152#10290#10442
24M → 40K35220-185#10442#10627
40K → 25.2M1473-59#10627#10686
25.2M → Finish22221-199#10686#10885
TOTALS1309*3050-1744

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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