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BOSTON MARATHON 2023

Randy Clarke

Bib: 11378•M

DC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:38
Rank: #13487
Start → 5K
24:38 | 7:56/mi
10K· 6.21 mi
49:02
Rank: #13513 (-26)
5K → 10K
24:24 | 7:51/mi
15K· 9.32 mi
1:13:34
Rank: #13516 (-3)
10K → 15K
24:32 | 7:54/mi
20K· 12.43 mi
1:38:39
Rank: #13607 (-91)
15K → 20K
25:05 | 8:04/mi
Half· 13.11 mi
1:44:07
Rank: #13647 (-40)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:04:02
Rank: #13746 (-99)
Half → 25K
19:55 | 8:13/mi
30K· 18.64 mi
2:31:54
Rank: #14442 (-696)
25K → 30K
27:52 | 8:58/mi
20M
2:43:33
Rank: #14396 (+46)
30K → 20M
11:39 | 8:34/mi
21M
2:52:34
Rank: #14337 (+59)
20M → 21M
9:01 | 9:01/mi
35K· 21.75 mi
2:58:58
Rank: #14371 (-34)
21M → 35K
6:24 | 8:33/mi
23M
3:10:49
Rank: #14637 (-266)
35K → 23M
11:51 | 9:28/mi
24M
3:19:30
Rank: #14666 (-29)
23M → 24M
8:41 | 8:41/mi
40K· 24.85 mi
3:27:17
Rank: #14711 (-45)
24M → 40K
7:47 | 9:06/mi
25.2M
3:30:31
Rank: #14702 (+9)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:38:55
Rank: #14666 (+36)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:07
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time1:54:48
Pace8:45 /mi
📊Positive Split: 10.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:2324:387:5624:38
7:56
-
10K
6.21 mi11:15:4749:027:5324:24
7:51
-0:05
15K
9.32 mi11:40:191:13:347:5424:32
7:54
+0:03
20K
12.43 mi12:05:241:38:397:5625:05
8:04
+0:10
Half
13.11 mi12:10:521:44:077:575:28
8:01
-0:03
25K
15.53 mi12:30:472:04:027:5919:55
8:13
+0:12
30K
18.64 mi12:58:392:31:548:0927:52
8:58
+0:45
20M
20.00 mi13:10:182:43:338:1111:39
8:34
-0:24
21M
21.00 mi13:19:192:52:348:139:01
9:01
+0:27
35K
21.75 mi13:25:432:58:588:146:24
8:33
-0:28
23M
23.00 mi13:37:343:10:498:1811:51
9:28
+0:55
24M
24.00 mi13:46:153:19:308:198:41
8:41
-0:47
40K
24.85 mi13:54:023:27:178:207:47
9:06
+0:25
25.2M
25.20 mi13:57:163:30:318:213:14
9:23
+0:17
Finish
26.22 mi14:05:403:38:558:218:24
8:15
-1:08

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

7:51 /mi

Average Pace

8:21 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:26

60% of race

Time at Steady Pace

26:44

12% of race

Time at Slower Pace

59:45

27% of race

Average Pace: 8:21 /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 mi10:51:2324:387:5624:38
7:56
#13487
10K
6.21 mi11:15:4749:027:5324:24
7:51
#13513
15K
9.32 mi11:40:191:13:347:5424:32
7:54
#13516
20K
12.43 mi12:05:241:38:397:5625:05
8:04
#13607
Half
13.11 mi12:10:521:44:077:575:28
8:01
#13647
25K
15.53 mi12:30:472:04:027:5919:55
8:13
#13746
30K
18.64 mi12:58:392:31:548:0927:52
8:58
#14442
20M
20.00 mi13:10:182:43:338:1111:39
8:34
#14396
21M
21.00 mi13:19:192:52:348:139:01
9:01
#14337
35K
21.75 mi13:25:432:58:588:146:24
8:33
#14371
23M
23.00 mi13:37:343:10:498:1811:51
9:28
#14637
24M
24.00 mi13:46:153:19:308:198:41
8:41
#14666
40K
24.85 mi13:54:023:27:178:207:47
9:06
#14711
25.2M
25.20 mi13:57:163:30:318:213:14
9:23
#14702
Finish
26.22 mi14:05:403:38:558:218:24
8:15
#14666
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi134879762976213494(Top 51%)9707(Top 64%)9707(Top 431%)
10K6.21 mi3.10 mi13513-269750+129750+1213584(Top 51%)9785(Top 64%)9785(Top 435%)
15K9.32 mi3.11 mi13516-39737+139737+1313494(Top 51%)9707(Top 64%)9707(Top 431%)
20K12.43 mi3.11 mi13607-919742-59742-514040(Top 53%)9895(Top 65%)9895(Top 439%)
Half13.11 mi0.68 mi13647-409754-129754-1214438(Top 54%)10077(Top 66%)10077(Top 447%)
25K15.53 mi2.42 mi13746-999775-219775-2114324(Top 54%)9904(Top 65%)9904(Top 440%)
30K18.64 mi3.11 mi14442-69610004-22910004-22916992(Top 64%)10910(Top 72%)10910(Top 484%)
20M20.00 mi1.36 mi14396+469960+449960+4414063(Top 53%)9599(Top 63%)9599(Top 426%)
21M21.00 mi1.00 mi14337+599916+449916+4413488(Top 51%)9266(Top 61%)9266(Top 411%)
35K21.75 mi0.75 mi14371-349925-99925-915571(Top 58%)10099(Top 67%)10099(Top 448%)
23M23.00 mi1.25 mi14637-26610009-8410009-8418168(Top 68%)11186(Top 74%)11186(Top 497%)
24M24.00 mi1.00 mi14666-299988+219988+2115539(Top 58%)9964(Top 66%)9964(Top 442%)
40K24.85 mi0.85 mi14711-459987+19987+116624(Top 62%)10407(Top 69%)10407(Top 462%)
25.2M25.20 mi0.35 mi14702+99974+139974+1314514(Top 55%)9470(Top 62%)9470(Top 421%)
Finish26.22 mi1.02 mi14666+369946+289946+2813705(Top 51%)9110(Top 60%)9110(Top 405%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13494

Males

9707

M45-49

9707

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13584

Males

9785

M45-49

9785

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13494

Males

9707

M45-49

9707

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14040

Males

9895

M45-49

9895

20K→Half

12.4 - 13.1 mi

Top 54%
×2stories
+19ft-37ft

Overall

14438

Males

10077

M45-49

10077

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14324

Males

9904

M45-49

9904

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16992

Males

10910

M45-49

10910

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14063

Males

9599

M45-49

9599

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13488

Males

9266

M45-49

9266

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15571

Males

10099

M45-49

10099

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18168

Males

11186

M45-49

11186

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15539

Males

9964

M45-49

9964

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16624

Males

10407

M45-49

10407

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14514

Males

9470

M45-49

9470

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13705

Males

9110

M45-49

9110

Passing Analysis

Category:
Athletes Passed
1296
Passed By
2475
Net Change
-1179
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13487
5K → 10K291317-26#13487#13513
10K → 15K195198-3#13513#13516
15K → 20K157248-91#13516#13607
20K → Half1555-40#13607#13647
Half → 25K103202-99#13647#13746
25K → 30K49745-696#13746#14442
30K → 20M10660+46#14442#14396
20M → 21M10243+59#14396#14337
21M → 35K3973-34#14337#14371
35K → 23M25291-266#14371#14637
23M → 24M6392-29#14637#14666
24M → 40K4691-45#14666#14711
40K → 25.2M2920+9#14711#14702
25.2M → Finish7640+36#14702#14666
TOTALS12962475-1179
📊

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