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BOSTON MARATHON 2023

Ian Smith

Bib: 21950•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 (M60-64)
#0 / 1110
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:51
Rank: #18486
Start → 5K
26:51 | 8:39/mi
10K· 6.21 mi
53:10
Rank: #18224 (+262)
5K → 10K
26:19 | 8:28/mi
15K· 9.32 mi
1:18:42
Rank: #17479 (+745)
10K → 15K
25:32 | 8:13/mi
20K· 12.43 mi
1:44:11
Rank: #16814 (+665)
15K → 20K
25:29 | 8:12/mi
Half· 13.11 mi
1:49:40
Rank: #16727 (+87)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:09:29
Rank: #16288 (+439)
Half → 25K
19:49 | 8:10/mi
30K· 18.64 mi
2:36:19
Rank: #16052 (+236)
25K → 30K
26:50 | 8:38/mi
20M
2:48:15
Rank: #15980 (+72)
30K → 20M
11:56 | 8:47/mi
21M
2:57:32
Rank: #15885 (+95)
20M → 21M
9:17 | 9:17/mi
35K· 21.75 mi
3:03:51
Rank: #15819 (+66)
21M → 35K
6:19 | 8:27/mi
23M
3:14:51
Rank: #15745 (+74)
35K → 23M
11:00 | 8:47/mi
24M
3:23:20
Rank: #15682 (+63)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:31:02
Rank: #15709 (-27)
24M → 40K
7:42 | 9:00/mi
25.2M
3:34:15
Rank: #15684 (+25)
40K → 25.2M
3:13 | 9:20/mi
Finish· 26.22 mi
3:43:33
Rank: #15813 (-129)
25.2M → Finish
9:18 | 9:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:40
Pace8:22 /mi
2nd Half
Distance13.11 mi
Time1:53:53
Pace8:41 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:2426:518:3926:51
8:39
-
10K
6.21 mi11:46:4353:108:3326:19
8:28
-0:11
15K
9.32 mi12:12:151:18:428:2725:32
8:13
-0:15
20K
12.43 mi12:37:441:44:118:2325:29
8:12
-0:01
Half
13.11 mi12:43:131:49:408:225:29
8:02
-0:10
25K
15.53 mi13:03:022:09:298:2019:49
8:10
+0:08
30K
18.64 mi13:29:522:36:198:2326:50
8:38
+0:28
20M
20.00 mi13:41:482:48:158:2511:56
8:47
+0:09
21M
21.00 mi13:51:052:57:328:279:17
9:17
+0:30
35K
21.75 mi13:57:243:03:518:276:19
8:27
-0:50
23M
23.00 mi14:08:243:14:518:2811:00
8:47
+0:20
24M
24.00 mi14:16:533:23:208:288:29
8:29
-0:18
40K
24.85 mi14:24:353:31:028:297:42
9:00
+0:31
25.2M
25.20 mi14:27:483:34:158:303:13
9:20
+0:20
Finish
26.22 mi14:37:063:43:338:329:18
9:08
-0:12

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

8:02 /mi

Average Pace

8:32 /mi

Slowest Pace

9:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:03

87% of race

Time at Steady Pace

29:30

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:32 /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 mi11:20:2426:518:3926:51
8:39
#18486
10K
6.21 mi11:46:4353:108:3326:19
8:28
#18224
15K
9.32 mi12:12:151:18:428:2725:32
8:13
#17479
20K
12.43 mi12:37:441:44:118:2325:29
8:12
#16814
Half
13.11 mi12:43:131:49:408:225:29
8:02
#16727
25K
15.53 mi13:03:022:09:298:2019:49
8:10
#16288
30K
18.64 mi13:29:522:36:198:2326:50
8:38
#16052
20M
20.00 mi13:41:482:48:158:2511:56
8:47
#15980
21M
21.00 mi13:51:052:57:328:279:17
9:17
#15885
35K
21.75 mi13:57:243:03:518:276:19
8:27
#15819
23M
23.00 mi14:08:243:14:518:2811:00
8:47
#15745
24M
24.00 mi14:16:533:23:208:288:29
8:29
#15682
40K
24.85 mi14:24:353:31:028:297:42
9:00
#15709
25.2M
25.20 mi14:27:483:34:158:303:13
9:20
#15684
Finish
26.22 mi14:37:063:43:338:329:18
9:08
#15813
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18486115991159915978(Top 60%)10673(Top 70%)10673(Top 962%)
10K6.21 mi3.10 mi18224+26211550+4911550+4918049(Top 68%)11521(Top 76%)11521(Top 1038%)
15K9.32 mi3.11 mi17479+74511251+29911251+29915978(Top 60%)10673(Top 70%)10673(Top 962%)
20K12.43 mi3.11 mi16814+66510981+27010981+27014964(Top 56%)10257(Top 68%)10257(Top 924%)
Half13.11 mi0.68 mi16727+8710943+3810943+3814645(Top 55%)10165(Top 67%)10165(Top 916%)
25K15.53 mi2.42 mi16288+43910762+18110762+18114043(Top 53%)9776(Top 64%)9776(Top 881%)
30K18.64 mi3.11 mi16052+23610625+13710625+13715139(Top 57%)10098(Top 67%)10098(Top 910%)
20M20.00 mi1.36 mi15980+7210577+4810577+4815309(Top 58%)10124(Top 67%)10124(Top 912%)
21M21.00 mi1.00 mi15885+9510518+5910518+5914882(Top 56%)9886(Top 65%)9886(Top 891%)
35K21.75 mi0.75 mi15819+6610473+4510473+4514959(Top 56%)9864(Top 65%)9864(Top 889%)
23M23.00 mi1.25 mi15745+7410412+6110412+6114896(Top 56%)9766(Top 64%)9766(Top 880%)
24M24.00 mi1.00 mi15682+6310368+4410368+4414375(Top 54%)9479(Top 62%)9479(Top 854%)
40K24.85 mi0.85 mi15709-2710379-1110379-1116138(Top 61%)10182(Top 67%)10182(Top 917%)
25.2M25.20 mi0.35 mi15684+2510368+1110368+1114278(Top 54%)9371(Top 62%)9371(Top 844%)
Finish26.22 mi1.02 mi15813-12910407-3910407-3918559(Top 70%)11336(Top 75%)11336(Top 1021%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15978

Males

10673

M60-64

10673

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18049

Males

11521

M60-64

11521

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15978

Males

10673

M60-64

10673

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14964

Males

10257

M60-64

10257

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14645

Males

10165

M60-64

10165

Half→25K

13.1 - 15.5 mi

Top 53%
×4stories
+66ft-88ft

Overall

14043

Males

9776

M60-64

9776

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15139

Males

10098

M60-64

10098

30K→20M

18.6 - 20.0 mi

Top 58%
×5stories
+64ft-50ft

Overall

15309

Males

10124

M60-64

10124

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

14882

Males

9886

M60-64

9886

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14959

Males

9864

M60-64

9864

35K→23M

21.8 - 23.0 mi

Top 56%
×5stories
+23ft-63ft

Overall

14896

Males

9766

M60-64

9766

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14375

Males

9479

M60-64

9479

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16138

Males

10182

M60-64

10182

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

14278

Males

9371

M60-64

9371

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

18559

Males

11336

M60-64

11336

Passing Analysis

Category:
Athletes Passed
3434
Passed By
761
Net Change
+2673
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18486
5K → 10K484222+262#18486#18224
10K → 15K77025+745#18224#17479
15K → 20K67712+665#17479#16814
20K → Half914+87#16814#16727
Half → 25K4434+439#16727#16288
25K → 30K30064+236#16288#16052
30K → 20M11644+72#16052#15980
20M → 21M13338+95#15980#15885
21M → 35K8822+66#15885#15819
35K → 23M11036+74#15819#15745
23M → 24M10037+63#15745#15682
24M → 40K5380-27#15682#15709
40K → 25.2M4015+25#15709#15684
25.2M → Finish29158-129#15684#15813
TOTALS3434761+2673
📊

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