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BOSTON MARATHON 2023

David Proudfoot

Bib: 1185•M

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 5%
Division (M18-39)
#0 / 5285
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:44
Rank: #739
Start → 5K
18:44 | 6:02/mi
10K· 6.21 mi
37:14
Rank: #710 (+29)
5K → 10K
18:30 | 5:57/mi
15K· 9.32 mi
56:04
Rank: #753 (-43)
10K → 15K
18:50 | 6:04/mi
20K· 12.43 mi
1:16:24
Rank: #1027 (-274)
15K → 20K
20:20 | 6:33/mi
Half· 13.11 mi
1:20:28
Rank: #1004 (+23)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:35:14
Rank: #952 (+52)
Half → 25K
14:46 | 6:05/mi
30K· 18.64 mi
1:54:46
Rank: #909 (+43)
25K → 30K
19:32 | 6:17/mi
20M
2:03:22
Rank: #903 (+6)
30K → 20M
8:36 | 6:20/mi
21M
2:10:04
Rank: #900 (+3)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:14:40
Rank: #895 (+5)
21M → 35K
4:36 | 6:09/mi
23M
2:22:45
Rank: #896 (-1)
35K → 23M
8:05 | 6:27/mi
24M
2:28:57
Rank: #885 (+11)
23M → 24M
6:12 | 6:12/mi
40K· 24.85 mi
2:34:27
Rank: #879 (+6)
24M → 40K
5:30 | 6:26/mi
25.2M
2:36:49
Rank: #880 (-1)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:43:04
Rank: #857 (+23)
25.2M → Finish
6:15 | 6:08/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:28
Pace6:08 /mi
2nd Half
Distance13.11 mi
Time1:22:36
Pace6:18 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5918:446:0218:44
6:02
-
10K
6.21 mi10:37:2937:146:0018:30
5:57
-0:05
15K
9.32 mi10:56:1956:046:0118:50
6:04
+0:07
20K
12.43 mi11:16:391:16:246:0920:20
6:33
+0:29
Half
13.11 mi11:20:431:20:286:084:04
5:58
-0:35
25K
15.53 mi11:35:291:35:146:0814:46
6:05
+0:07
30K
18.64 mi11:55:011:54:466:0919:32
6:17
+0:12
20M
20.00 mi12:03:372:03:226:108:36
6:20
+0:03
21M
21.00 mi12:10:192:10:046:126:42
6:42
+0:22
35K
21.75 mi12:14:552:14:406:124:36
6:09
-0:33
23M
23.00 mi12:23:002:22:456:128:05
6:27
+0:18
24M
24.00 mi12:29:122:28:576:126:12
6:12
-0:15
40K
24.85 mi12:34:422:34:276:135:30
6:26
+0:14
25.2M
25.20 mi12:37:042:36:496:132:22
6:52
+0:26
Finish
26.22 mi12:43:192:43:046:136:15
6:08
-0:44

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

5:57 /mi

Average Pace

6:13 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:40

82% of race

Time at Steady Pace

29:24

18% 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 mi10:18:5918:446:0218:44
6:02
#739
10K
6.21 mi10:37:2937:146:0018:30
5:57
#710
15K
9.32 mi10:56:1956:046:0118:50
6:04
#753
20K
12.43 mi11:16:391:16:246:0920:20
6:33
#1027
Half
13.11 mi11:20:431:20:286:084:04
5:58
#1004
25K
15.53 mi11:35:291:35:146:0814:46
6:05
#952
30K
18.64 mi11:55:011:54:466:0919:32
6:17
#909
20M
20.00 mi12:03:372:03:226:108:36
6:20
#903
21M
21.00 mi12:10:192:10:046:126:42
6:42
#900
35K
21.75 mi12:14:552:14:406:124:36
6:09
#895
23M
23.00 mi12:23:002:22:456:128:05
6:27
#896
24M
24.00 mi12:29:122:28:576:126:12
6:12
#885
40K
24.85 mi12:34:422:34:276:135:30
6:26
#879
25.2M
25.20 mi12:37:042:36:496:132:22
6:52
#880
Finish
26.22 mi12:43:192:43:046:136:15
6:08
#857
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi739691691852(Top 3%)805(Top 5%)805(Top 15%)
10K6.21 mi3.10 mi710+29666+25666+25709(Top 3%)665(Top 4%)665(Top 13%)
15K9.32 mi3.11 mi753-43709-43709-43852(Top 3%)805(Top 5%)805(Top 15%)
20K12.43 mi3.11 mi1027-274975-266975-2662527(Top 9%)2419(Top 16%)2419(Top 46%)
Half13.11 mi0.68 mi1004+23954+21954+21682(Top 3%)642(Top 4%)642(Top 12%)
25K15.53 mi2.42 mi952+52903+51903+51725(Top 3%)684(Top 5%)684(Top 13%)
30K18.64 mi3.11 mi909+43861+42861+42880(Top 3%)838(Top 6%)838(Top 16%)
20M20.00 mi1.36 mi903+6856+5856+5933(Top 4%)890(Top 6%)890(Top 17%)
21M21.00 mi1.00 mi900+3853+3853+31082(Top 4%)1028(Top 7%)1028(Top 19%)
35K21.75 mi0.75 mi895+5848+5848+51061(Top 4%)1009(Top 7%)1009(Top 19%)
23M23.00 mi1.25 mi896-1849-1849-11270(Top 5%)1201(Top 8%)1201(Top 23%)
24M24.00 mi1.00 mi885+11838+11838+111011(Top 4%)957(Top 6%)957(Top 18%)
40K24.85 mi0.85 mi879+6832+6832+61295(Top 5%)1222(Top 8%)1222(Top 23%)
25.2M25.20 mi0.35 mi880-1834-2834-21297(Top 5%)1227(Top 8%)1227(Top 23%)
Finish26.22 mi1.02 mi857+23811+23811+231073(Top 4%)1022(Top 7%)1022(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

852

Males

805

M18-39

805

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

709

Males

665

M18-39

665

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

852

Males

805

M18-39

805

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2527

Males

2419

M18-39

2419

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

682

Males

642

M18-39

642

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

725

Males

684

M18-39

684

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

880

Males

838

M18-39

838

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

933

Males

890

M18-39

890

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1082

Males

1028

M18-39

1028

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1061

Males

1009

M18-39

1009

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1270

Males

1201

M18-39

1201

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1011

Males

957

M18-39

957

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1295

Males

1222

M18-39

1222

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1297

Males

1227

M18-39

1227

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

1073

Males

1022

M18-39

1022

Passing Analysis

Category:
Athletes Passed
318
Passed By
436
Net Change
-118
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#739
5K → 10K5122+29#739#710
10K → 15K1053-43#710#753
15K → 20K0274-274#753#1027
20K → Half230+23#1027#1004
Half → 25K553+52#1004#952
25K → 30K5613+43#952#909
30K → 20M1812+6#909#903
20M → 21M1512+3#903#900
21M → 35K127+5#900#895
35K → 23M1819-1#895#896
23M → 24M154+11#896#885
24M → 40K115+6#885#879
40K → 25.2M67-1#879#880
25.2M → Finish285+23#880#857
TOTALS318436-118
📊

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