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BOSTON MARATHON 2023

Simon Wells

Bib: 9420•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Masters (Masters Men)
#0 / 9891
Top 10%
Division (M45-49)
#0 / 2252
Top 12%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:09
Rank: #4738
Start → 5K
21:09 | 6:48/mi
10K· 6.21 mi
41:52
Rank: #4350 (+388)
5K → 10K
20:43 | 6:40/mi
15K· 9.32 mi
1:02:30
Rank: #4067 (+283)
10K → 15K
20:38 | 6:38/mi
20K· 12.43 mi
1:23:22
Rank: #3946 (+121)
15K → 20K
20:52 | 6:43/mi
Half· 13.11 mi
1:27:54
Rank: #3934 (+12)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:44:20
Rank: #3928 (+6)
Half → 25K
16:26 | 6:47/mi
30K· 18.64 mi
2:05:45
Rank: #3812 (+116)
25K → 30K
21:25 | 6:54/mi
20M
2:15:08
Rank: #3751 (+61)
30K → 20M
9:23 | 6:54/mi
21M
2:22:18
Rank: #3668 (+83)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:27:19
Rank: #3651 (+17)
21M → 35K
5:01 | 6:42/mi
23M
2:36:08
Rank: #3637 (+14)
35K → 23M
8:49 | 7:03/mi
24M
2:43:05
Rank: #3682 (-45)
23M → 24M
6:57 | 6:57/mi
40K· 24.85 mi
2:49:07
Rank: #3689 (-7)
24M → 40K
6:02 | 7:03/mi
25.2M
2:51:43
Rank: #3706 (-17)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
2:58:41
Rank: #3736 (-30)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:54
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:30:47
Pace6:56 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:5321:096:4821:09
6:48
-
10K
6.21 mi11:07:3641:526:4420:43
6:40
-0:08
15K
9.32 mi11:28:141:02:306:4220:38
6:38
-0:02
20K
12.43 mi11:49:061:23:226:4220:52
6:43
+0:05
Half
13.11 mi11:53:381:27:546:424:32
6:39
-0:04
25K
15.53 mi12:10:041:44:206:4316:26
6:47
+0:08
30K
18.64 mi12:31:292:05:456:4521:25
6:54
+0:07
20M
20.00 mi12:40:522:15:086:459:23
6:54
0:00
21M
21.00 mi12:48:022:22:186:477:10
7:10
+0:16
35K
21.75 mi12:53:032:27:196:465:01
6:42
-0:28
23M
23.00 mi13:01:522:36:086:478:49
7:03
+0:21
24M
24.00 mi13:08:492:43:056:486:57
6:57
-0:06
40K
24.85 mi13:14:512:49:076:486:02
7:03
+0:06
25.2M
25.20 mi13:17:272:51:436:492:36
7:32
+0:29
Finish
26.22 mi13:24:252:58:416:496:58
6:50
-0:42

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

6:38 /mi

Average Pace

6:49 /mi

Slowest Pace

7:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:05

99% of race

Time at Steady Pace

2:36

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:49 /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 mi10:46:5321:096:4821:09
6:48
#4738
10K
6.21 mi11:07:3641:526:4420:43
6:40
#4350
15K
9.32 mi11:28:141:02:306:4220:38
6:38
#4067
20K
12.43 mi11:49:061:23:226:4220:52
6:43
#3946
Half
13.11 mi11:53:381:27:546:424:32
6:39
#3934
25K
15.53 mi12:10:041:44:206:4316:26
6:47
#3928
30K
18.64 mi12:31:292:05:456:4521:25
6:54
#3812
20M
20.00 mi12:40:522:15:086:459:23
6:54
#3751
21M
21.00 mi12:48:022:22:186:477:10
7:10
#3668
35K
21.75 mi12:53:032:27:196:465:01
6:42
#3651
23M
23.00 mi13:01:522:36:086:478:49
7:03
#3637
24M
24.00 mi13:08:492:43:056:486:57
6:57
#3682
40K
24.85 mi13:14:512:49:076:486:02
7:03
#3689
25.2M
25.20 mi13:17:272:51:436:492:36
7:32
#3706
Finish
26.22 mi13:24:252:58:416:496:58
6:50
#3736
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4738440844083628(Top 14%)3423(Top 23%)3423(Top 152%)
10K6.21 mi3.10 mi4350+3884074+3344074+3344032(Top 15%)3791(Top 25%)3791(Top 168%)
15K9.32 mi3.11 mi4067+2833823+2513823+2513628(Top 14%)3423(Top 23%)3423(Top 152%)
20K12.43 mi3.11 mi3946+1213712+1113712+1113701(Top 14%)3500(Top 23%)3500(Top 155%)
Half13.11 mi0.68 mi3934+123702+103702+103797(Top 14%)3581(Top 24%)3581(Top 159%)
25K15.53 mi2.42 mi3928+63700+23700+23941(Top 15%)3702(Top 24%)3702(Top 164%)
30K18.64 mi3.11 mi3812+1163595+1053595+1053619(Top 14%)3399(Top 22%)3399(Top 151%)
20M20.00 mi1.36 mi3751+613541+543541+543460(Top 13%)3232(Top 21%)3232(Top 144%)
21M21.00 mi1.00 mi3668+833465+763465+762938(Top 11%)2755(Top 18%)2755(Top 122%)
35K21.75 mi0.75 mi3651+173447+183447+183598(Top 14%)3332(Top 22%)3332(Top 148%)
23M23.00 mi1.25 mi3637+143433+143433+143979(Top 15%)3660(Top 24%)3660(Top 163%)
24M24.00 mi1.00 mi3682-453468-353468-354401(Top 17%)3976(Top 26%)3976(Top 177%)
40K24.85 mi0.85 mi3689-73469-13469-14125(Top 15%)3686(Top 24%)3686(Top 164%)
25.2M25.20 mi0.35 mi3706-173485-163485-164031(Top 15%)3573(Top 24%)3573(Top 159%)
Finish26.22 mi1.02 mi3736-303509-243509-244264(Top 16%)3740(Top 25%)3740(Top 166%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3628

Males

3423

M45-49

3423

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4032

Males

3791

M45-49

3791

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3628

Males

3423

M45-49

3423

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3701

Males

3500

M45-49

3500

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3797

Males

3581

M45-49

3581

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

3941

Males

3702

M45-49

3702

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

3619

Males

3399

M45-49

3399

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3460

Males

3232

M45-49

3232

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2938

Males

2755

M45-49

2755

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

3598

Males

3332

M45-49

3332

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3979

Males

3660

M45-49

3660

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4401

Males

3976

M45-49

3976

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4125

Males

3686

M45-49

3686

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4031

Males

3573

M45-49

3573

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4264

Males

3740

M45-49

3740

Passing Analysis

Category:
Athletes Passed
1661
Passed By
659
Net Change
+1002
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4738
5K → 10K45567+388#4738#4350
10K → 15K30724+283#4350#4067
15K → 20K17958+121#4067#3946
20K → Half2715+12#3946#3934
Half → 25K7973+6#3934#3928
25K → 30K17761+116#3928#3812
30K → 20M8827+61#3812#3751
20M → 21M10522+83#3751#3668
21M → 35K3720+17#3668#3651
35K → 23M6753+14#3651#3637
23M → 24M3782-45#3637#3682
24M → 40K4148-7#3682#3689
40K → 25.2M1734-17#3689#3706
25.2M → Finish4575-30#3706#3736
TOTALS1661659+1002
📊

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