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BOSTON MARATHON 2023

Jeff Miles

Bib: 11349•M

PA

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:19/mi
25:50
↑ 97↓ 3451.5%
10K· 6.21 mi
8:47/mi
53:07
↑ 79↓ 1380.4%
15K· 9.32 mi
8:58/mi
1:20:57
↑ 67↓ 78
20K· 12.43 mi
8:13/mi
1:46:28
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:52:00
↑ 19↓ 370.5%
25K· 15.53 mi
8:44/mi
2:13:10
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:39:17
↑ 181↓ 1480.2%
20M
8:36/mi
2:50:58
↑ 64↓ 500.2%
21M
8:59/mi
2:59:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
3:05:56
↑ 17↓ 861.7%
23M
8:16/mi
3:16:17
↑ 23↓ 630.6%
24M
7:53/mi
3:24:10
↓ 821.3%
40K· 24.85 mi
8:01/mi
3:31:01
↓ 200.3%
25.2M
8:27/mi
3:33:56
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:41:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:52:00
Pace8:33 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:49:39
Pace8:22 /mi
📊Negative Split: 2.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2725:508:1925:50
8:19
-
10K
6.21 mi11:19:4453:078:3327:17
8:47
+0:28
15K
9.32 mi11:47:341:20:578:4127:50
8:58
+0:11
20K
12.43 mi12:13:051:46:288:3425:31
8:13
-0:45
Half
13.11 mi12:18:371:52:008:335:32
8:07
-0:06
25K
15.53 mi12:39:472:13:108:3421:10
8:44
+0:37
30K
18.64 mi13:05:542:39:178:3326:07
8:24
-0:20
20M
20.00 mi13:17:352:50:588:3311:41
8:36
+0:12
21M
21.00 mi13:26:342:59:578:348:59
8:59
+0:23
35K
21.75 mi13:32:333:05:568:335:59
8:00
-0:59
23M
23.00 mi13:42:543:16:178:3210:21
8:16
+0:16
24M
24.00 mi13:50:473:24:108:307:53
7:53
-0:23
40K
24.85 mi13:57:383:31:018:296:51
8:01
+0:08
25.2M
25.20 mi14:00:333:33:568:292:55
8:27
+0:26
Finish
26.22 mi14:08:163:41:398:287:43
7:34
-0:53

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

7:34 /mi

Average Pace

8:28 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:40

43% of race

Time at Steady Pace

1:29:10

40% of race

Time at Slower Pace

36:49

17% of race

Average Pace: 8:27 /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 mi10:52:2725:508:1925:50
8:19
#16245
10K
6.21 mi11:19:4453:078:3327:17
8:47
#18180
15K
9.32 mi11:47:341:20:578:4127:50
8:58
#18959
20K
12.43 mi12:13:051:46:288:3425:31
8:13
#18005
Half
13.11 mi12:18:371:52:008:335:32
8:07
#17843
25K
15.53 mi12:39:472:13:108:3421:10
8:44
#17768
30K
18.64 mi13:05:542:39:178:3326:07
8:24
#17026
20M
20.00 mi13:17:352:50:588:3311:41
8:36
#16819
21M
21.00 mi13:26:342:59:578:348:59
8:59
#16607
35K
21.75 mi13:32:333:05:568:335:59
8:00
#16444
23M
23.00 mi13:42:543:16:178:3210:21
8:16
#16162
24M
24.00 mi13:50:473:24:108:307:53
7:53
#15920
40K
24.85 mi13:57:383:31:018:296:51
8:01
#15703
25.2M
25.20 mi14:00:333:33:568:292:55
8:27
#15616
Finish
26.22 mi14:08:163:41:398:287:43
7:34
#15351
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi16245107911079120296(Top 76%)12431(Top 82%)12431(Top 552%)
10K6.21 mi3.10 mi18180-193511524-73311524-73319826(Top 74%)12207(Top 80%)12207(Top 542%)
15K9.32 mi3.11 mi18959-77911831-30711831-30720296(Top 76%)12431(Top 82%)12431(Top 552%)
20K12.43 mi3.11 mi18005+95411462+36911462+36915038(Top 56%)10279(Top 68%)10279(Top 456%)
Half13.11 mi0.68 mi17843+16211395+6711395+6715173(Top 57%)10366(Top 68%)10366(Top 460%)
25K15.53 mi2.42 mi17768+7511351+4411351+4417519(Top 66%)11201(Top 74%)11201(Top 497%)
30K18.64 mi3.11 mi17026+74211027+32411027+32413732(Top 52%)9549(Top 63%)9549(Top 424%)
20M20.00 mi1.36 mi16819+20710925+10210925+10214231(Top 53%)9661(Top 64%)9661(Top 429%)
21M21.00 mi1.00 mi16607+21210821+10410821+10413304(Top 50%)9185(Top 61%)9185(Top 408%)
35K21.75 mi0.75 mi16444+16310740+8110740+8112105(Top 45%)8614(Top 57%)8614(Top 383%)
23M23.00 mi1.25 mi16162+28210600+14010600+14011634(Top 44%)8308(Top 55%)8308(Top 369%)
24M24.00 mi1.00 mi15920+24210472+12810472+12810411(Top 39%)7620(Top 50%)7620(Top 338%)
40K24.85 mi0.85 mi15703+21710375+9710375+9710133(Top 38%)7414(Top 49%)7414(Top 329%)
25.2M25.20 mi0.35 mi15616+8710335+4010335+409262(Top 35%)6922(Top 46%)6922(Top 307%)
Finish26.22 mi1.02 mi15351+26510212+12310212+1239099(Top 34%)6816(Top 45%)6816(Top 303%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

20296

Males

12431

M45-49

12431

5K→10K

3.1 - 6.2 mi

Top 74%
×5story building
+79ft-138ft

Overall

19826

Males

12207

M45-49

12207

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

20296

Males

12431

M45-49

12431

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

15038

Males

10279

M45-49

10279

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15173

Males

10366

M45-49

10366

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17519

Males

11201

M45-49

11201

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13732

Males

9549

M45-49

9549

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

14231

Males

9661

M45-49

9661

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13304

Males

9185

M45-49

9185

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12105

Males

8614

M45-49

8614

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11634

Males

8308

M45-49

8308

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10411

Males

7620

M45-49

7620

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10133

Males

7414

M45-49

7414

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9262

Males

6922

M45-49

6922

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9099

Males

6816

M45-49

6816

Passing Analysis

Category:
Athletes Passed
3787
Passed By
2893
Net Change
+894
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16245
5K → 10K231958-1935#16245#18180
10K → 15K32811-779#18180#18959
15K → 20K9573+954#18959#18005
20K → Half1642+162#18005#17843
Half → 25K16691+75#17843#17768
25K → 30K7464+742#17768#17026
30K → 20M2114+207#17026#16819
20M → 21M2219+212#16819#16607
21M → 35K1663+163#16607#16444
35K → 23M2853+282#16444#16162
23M → 24M2420+242#16162#15920
24M → 40K2181+217#15920#15703
40K → 25.2M881+87#15703#15616
25.2M → Finish2683+265#15616#15351
TOTALS37872893+894
📊

Passing Visuals

Category:
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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