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BOSTON MARATHON 2023

Shawn Macfarlane

Bib: 1251•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Masters (Masters Men)
#0 / 9891
Top 1%
Division (M40-44)
#0 / 2241
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:00
Rank: #930
Start → 5K
19:00 | 6:07/mi
10K· 6.21 mi
38:08
Rank: #1044 (-114)
5K → 10K
19:08 | 6:10/mi
15K· 9.32 mi
57:10
Rank: #1043 (+1)
10K → 15K
19:02 | 6:08/mi
20K· 12.43 mi
1:16:24
Rank: #1028 (+15)
15K → 20K
19:14 | 6:11/mi
Half· 13.11 mi
1:20:34
Rank: #1028
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:35:40
Rank: #1012 (+16)
Half → 25K
15:06 | 6:14/mi
30K· 18.64 mi
1:55:08
Rank: #954 (+58)
25K → 30K
19:28 | 6:16/mi
20M
2:03:38
Rank: #932 (+22)
30K → 20M
8:30 | 6:15/mi
21M
2:10:16
Rank: #925 (+7)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:14:54
Rank: #925
21M → 35K
4:38 | 6:12/mi
23M
2:22:53
Rank: #909 (+16)
35K → 23M
7:59 | 6:23/mi
24M
2:29:05
Rank: #896 (+13)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:34:36
Rank: #893 (+3)
24M → 40K
5:31 | 6:27/mi
25.2M
2:36:58
Rank: #892 (+1)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:43:07
Rank: #865 (+27)
25.2M → Finish
6:09 | 6:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:34
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:22:33
Pace6:18 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2819:006:0719:00
6:07
-
10K
6.21 mi10:38:3638:086:0819:08
6:10
+0:03
15K
9.32 mi10:57:3857:106:0819:02
6:08
-0:02
20K
12.43 mi11:16:521:16:246:0919:14
6:11
+0:03
Half
13.11 mi11:21:021:20:346:094:10
6:06
-0:05
25K
15.53 mi11:36:081:35:406:1015:06
6:14
+0:08
30K
18.64 mi11:55:361:55:086:1119:28
6:16
+0:02
20M
20.00 mi12:04:062:03:386:118:30
6:15
-0:01
21M
21.00 mi12:10:442:10:166:126:38
6:38
+0:23
35K
21.75 mi12:15:222:14:546:124:38
6:12
-0:26
23M
23.00 mi12:23:212:22:536:137:59
6:23
+0:11
24M
24.00 mi12:29:332:29:056:136:12
6:12
-0:11
40K
24.85 mi12:35:042:34:366:135:31
6:27
+0:15
25.2M
25.20 mi12:37:262:36:586:142:22
6:52
+0:25
Finish
26.22 mi12:43:352:43:076:146:09
6:02
-0:50

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

6:02 /mi

Average Pace

6:14 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:45

99% of race

Time at Steady Pace

2:22

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:13 /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 mi10:19:2819:006:0719:00
6:07
#930
10K
6.21 mi10:38:3638:086:0819:08
6:10
#1044
15K
9.32 mi10:57:3857:106:0819:02
6:08
#1043
20K
12.43 mi11:16:521:16:246:0919:14
6:11
#1028
Half
13.11 mi11:21:021:20:346:094:10
6:06
#1028
25K
15.53 mi11:36:081:35:406:1015:06
6:14
#1012
30K
18.64 mi11:55:361:55:086:1119:28
6:16
#954
20M
20.00 mi12:04:062:03:386:118:30
6:15
#932
21M
21.00 mi12:10:442:10:166:126:38
6:38
#925
35K
21.75 mi12:15:222:14:546:124:38
6:12
#925
23M
23.00 mi12:23:212:22:536:137:59
6:23
#909
24M
24.00 mi12:29:332:29:056:136:12
6:12
#896
40K
24.85 mi12:35:042:34:366:135:31
6:27
#893
25.2M
25.20 mi12:37:262:36:586:142:22
6:52
#892
Finish
26.22 mi12:43:352:43:076:146:09
6:02
#865
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi9308758751031(Top 4%)980(Top 6%)980(Top 44%)
10K6.21 mi3.10 mi1044-114987-112987-1121199(Top 5%)1136(Top 7%)1136(Top 51%)
15K9.32 mi3.11 mi1043+1989-2989-21031(Top 4%)980(Top 6%)980(Top 44%)
20K12.43 mi3.11 mi1028+15976+13976+131029(Top 4%)979(Top 6%)979(Top 44%)
Half13.11 mi0.68 mi10289769761020(Top 4%)972(Top 6%)972(Top 43%)
25K15.53 mi2.42 mi1012+16961+15961+151058(Top 4%)1007(Top 7%)1007(Top 45%)
30K18.64 mi3.11 mi954+58906+55906+55824(Top 3%)784(Top 5%)784(Top 35%)
20M20.00 mi1.36 mi932+22884+22884+22768(Top 3%)728(Top 5%)728(Top 32%)
21M21.00 mi1.00 mi925+7878+6878+6924(Top 3%)876(Top 6%)876(Top 39%)
35K21.75 mi0.75 mi9258788781203(Top 5%)1146(Top 8%)1146(Top 51%)
23M23.00 mi1.25 mi909+16862+16862+161017(Top 4%)964(Top 6%)964(Top 43%)
24M24.00 mi1.00 mi896+13849+13849+131012(Top 4%)958(Top 6%)958(Top 43%)
40K24.85 mi0.85 mi893+3846+3846+31359(Top 5%)1282(Top 8%)1282(Top 57%)
25.2M25.20 mi0.35 mi892+1845+1845+11300(Top 5%)1230(Top 8%)1230(Top 55%)
Finish26.22 mi1.02 mi865+27819+26819+26811(Top 3%)777(Top 5%)777(Top 35%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1031

Males

980

M40-44

980

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1199

Males

1136

M40-44

1136

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1031

Males

980

M40-44

980

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1029

Males

979

M40-44

979

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1020

Males

972

M40-44

972

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1058

Males

1007

M40-44

1007

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

824

Males

784

M40-44

784

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

768

Males

728

M40-44

728

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

924

Males

876

M40-44

876

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1203

Males

1146

M40-44

1146

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1017

Males

964

M40-44

964

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1012

Males

958

M40-44

958

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1359

Males

1282

M40-44

1282

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1300

Males

1230

M40-44

1230

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

811

Males

777

M40-44

777

Passing Analysis

Category:
Athletes Passed
323
Passed By
258
Net Change
+65
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#930
5K → 10K12126-114#930#1044
10K → 15K3332+1#1044#1043
15K → 20K3217+15#1043#1028
20K → Half660#1028#1028
Half → 25K2913+16#1028#1012
25K → 30K6810+58#1012#954
30K → 20M297+22#954#932
20M → 21M158+7#932#925
21M → 35K11110#925#925
35K → 23M215+16#925#909
23M → 24M174+13#909#896
24M → 40K129+3#896#893
40K → 25.2M65+1#893#892
25.2M → Finish325+27#892#865
TOTALS323258+65
📊

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