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BOSTON MARATHON 2023

Mark Smith

Bib: 23409•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 34%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:59
Rank: #18774
Start → 5K
26:59 | 8:41/mi
10K· 6.21 mi
53:50
Rank: #18898 (-124)
5K → 10K
26:51 | 8:39/mi
15K· 9.32 mi
1:20:45
Rank: #18826 (+72)
10K → 15K
26:55 | 8:40/mi
20K· 12.43 mi
1:48:20
Rank: #18883 (-57)
15K → 20K
27:35 | 8:53/mi
Half· 13.11 mi
1:54:14
Rank: #18870 (+13)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:15:54
Rank: #18839 (+31)
Half → 25K
21:40 | 8:56/mi
30K· 18.64 mi
2:44:35
Rank: #18730 (+109)
25K → 30K
28:41 | 9:14/mi
20M
2:57:10
Rank: #18662 (+68)
30K → 20M
12:35 | 9:16/mi
21M
3:07:37
Rank: #18711 (-49)
20M → 21M
10:27 | 10:27/mi
35K· 21.75 mi
3:13:58
Rank: #18586 (+125)
21M → 35K
6:21 | 8:29/mi
23M
3:25:09
Rank: #18406 (+180)
35K → 23M
11:11 | 8:56/mi
24M
3:34:05
Rank: #18342 (+64)
23M → 24M
8:56 | 8:56/mi
40K· 24.85 mi
3:41:53
Rank: #18294 (+48)
24M → 40K
7:48 | 9:07/mi
25.2M
3:45:25
Rank: #18290 (+4)
40K → 25.2M
3:32 | 10:15/mi
Finish· 26.22 mi
3:54:21
Rank: #18236 (+54)
25.2M → Finish
8:56 | 8:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:14
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:00:07
Pace9:10 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3326:598:4126:59
8:41
-
10K
6.21 mi11:49:2453:508:4026:51
8:39
-0:02
15K
9.32 mi12:16:191:20:458:4026:55
8:40
+0:01
20K
12.43 mi12:43:541:48:208:4327:35
8:53
+0:13
Half
13.11 mi12:49:481:54:148:435:54
8:39
-0:14
25K
15.53 mi13:11:282:15:548:4521:40
8:56
+0:17
30K
18.64 mi13:40:092:44:358:5028:41
9:14
+0:18
20M
20.00 mi13:52:442:57:108:5112:35
9:16
+0:02
21M
21.00 mi14:03:113:07:378:5610:27
10:27
+1:11
35K
21.75 mi14:09:323:13:588:556:21
8:29
-1:58
23M
23.00 mi14:20:433:25:098:5511:11
8:56
+0:27
24M
24.00 mi14:29:393:34:058:558:56
8:56
0:00
40K
24.85 mi14:37:273:41:538:567:48
9:07
+0:11
25.2M
25.20 mi14:40:593:45:258:573:32
10:15
+1:08
Finish
26.22 mi14:49:553:54:218:578:56
8:46
-1:29

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

8:29 /mi

Average Pace

8:57 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:06

17% of race

Time at Steady Pace

2:20:00

60% of race

Time at Slower Pace

55:15

24% of race

Average Pace: 8:56 /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 mi11:22:3326:598:4126:59
8:41
#18774
10K
6.21 mi11:49:2453:508:4026:51
8:39
#18898
15K
9.32 mi12:16:191:20:458:4026:55
8:40
#18826
20K
12.43 mi12:43:541:48:208:4327:35
8:53
#18883
Half
13.11 mi12:49:481:54:148:435:54
8:39
#18870
25K
15.53 mi13:11:282:15:548:4521:40
8:56
#18839
30K
18.64 mi13:40:092:44:358:5028:41
9:14
#18730
20M
20.00 mi13:52:442:57:108:5112:35
9:16
#18662
21M
21.00 mi14:03:113:07:378:5610:27
10:27
#18711
35K
21.75 mi14:09:323:13:588:556:21
8:29
#18586
23M
23.00 mi14:20:433:25:098:5511:11
8:56
#18406
24M
24.00 mi14:29:393:34:058:558:56
8:56
#18342
40K
24.85 mi14:37:273:41:538:567:48
9:07
#18294
25.2M
25.20 mi14:40:593:45:258:573:32
10:15
#18290
Finish
26.22 mi14:49:553:54:218:578:56
8:46
#18236
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi18774116951169518786(Top 71%)11798(Top 78%)11798(Top 2149%)
10K6.21 mi3.10 mi18898-12411799-10411799-10419084(Top 72%)11931(Top 79%)11931(Top 2173%)
15K9.32 mi3.11 mi18826+7211784+1511784+1518786(Top 71%)11798(Top 78%)11798(Top 2149%)
20K12.43 mi3.11 mi18883-5711812-2811812-2819098(Top 72%)11928(Top 79%)11928(Top 2173%)
Half13.11 mi0.68 mi18870+1311805+711805+718568(Top 70%)11729(Top 77%)11729(Top 2136%)
25K15.53 mi2.42 mi18839+3111789+1611789+1618630(Top 70%)11684(Top 77%)11684(Top 2128%)
30K18.64 mi3.11 mi18730+10911719+7011719+7018302(Top 69%)11468(Top 76%)11468(Top 2089%)
20M20.00 mi1.36 mi18662+6811680+3911680+3917833(Top 67%)11159(Top 74%)11159(Top 2033%)
21M21.00 mi1.00 mi18711-4911696-1611696-1619421(Top 73%)11803(Top 78%)11803(Top 2150%)
35K21.75 mi0.75 mi18586+12511639+5711639+5715227(Top 57%)9973(Top 66%)9973(Top 1817%)
23M23.00 mi1.25 mi18406+18011530+10911530+10915687(Top 59%)10104(Top 67%)10104(Top 1840%)
24M24.00 mi1.00 mi18342+6411498+3211498+3216915(Top 64%)10592(Top 70%)10592(Top 1929%)
40K24.85 mi0.85 mi18294+4811462+3611462+3616717(Top 63%)10455(Top 69%)10455(Top 1904%)
25.2M25.20 mi0.35 mi18290+411455+711455+718243(Top 69%)11138(Top 73%)11138(Top 2029%)
Finish26.22 mi1.02 mi18236+5411427+2811427+2816836(Top 63%)10537(Top 69%)10537(Top 1919%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21stories
+97ft-345ft

Overall

18786

Males

11798

M65-69

11798

5K→10K

3.1 - 6.2 mi

Top 72%
×5stories
+79ft-138ft

Overall

19084

Males

11931

M65-69

11931

10K→15K

6.2 - 9.3 mi

Top 71%
×3stories
+67ft-78ft

Overall

18786

Males

11798

M65-69

11798

15K→20K

9.3 - 12.4 mi

Top 72%
×5stories
+106ft-86ft

Overall

19098

Males

11928

M65-69

11928

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18568

Males

11729

M65-69

11729

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18630

Males

11684

M65-69

11684

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18302

Males

11468

M65-69

11468

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17833

Males

11159

M65-69

11159

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

19421

Males

11803

M65-69

11803

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15227

Males

9973

M65-69

9973

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15687

Males

10104

M65-69

10104

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

16915

Males

10592

M65-69

10592

24M→40K

24.0 - 24.9 mi

Top 63%
×1story
+6ft-20ft

Overall

16717

Males

10455

M65-69

10455

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18243

Males

11138

M65-69

11138

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

16836

Males

10537

M65-69

10537

Passing Analysis

Category:
Athletes Passed
1802
Passed By
1264
Net Change
+538
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18774
5K → 10K281405-124#18774#18898
10K → 15K225153+72#18898#18826
15K → 20K138195-57#18826#18883
20K → Half3320+13#18883#18870
Half → 25K135104+31#18870#18839
25K → 30K217108+109#18839#18730
30K → 20M11244+68#18730#18662
20M → 21M75124-49#18662#18711
21M → 35K1294+125#18711#18586
35K → 23M19313+180#18586#18406
23M → 24M8723+64#18406#18342
24M → 40K7123+48#18342#18294
40K → 25.2M2521+4#18294#18290
25.2M → Finish8127+54#18290#18236
TOTALS18021264+538
📊

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