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BOSTON MARATHON 2023

Robert Nadeau

Bib: 26830•M

MA

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:31
Rank: #25355
Start → 5K
33:31 | 10:47/mi
10K· 6.21 mi
1:07:33
Rank: #25400 (-45)
5K → 10K
34:02 | 10:57/mi
15K· 9.32 mi
1:41:50
Rank: #25343 (+57)
10K → 15K
34:17 | 11:02/mi
20K· 12.43 mi
2:20:13
Rank: #25565 (-222)
15K → 20K
38:23 | 12:21/mi
Half· 13.11 mi
2:27:48
Rank: #25548 (+17)
20K → Half
7:35 | 11:07/mi
25K· 15.53 mi
2:58:23
Rank: #25590 (-42)
Half → 25K
30:35 | 12:37/mi
30K· 18.64 mi
3:38:33
Rank: #25564 (+26)
25K → 30K
40:10 | 12:56/mi
20M
3:54:43
Rank: #25470 (+94)
30K → 20M
16:10 | 11:54/mi
21M
4:06:58
Rank: #25373 (+97)
20M → 21M
12:15 | 12:15/mi
35K· 21.75 mi
4:16:48
Rank: #25398 (-25)
21M → 35K
9:50 | 13:09/mi
23M
4:30:59
Rank: #25298 (+100)
35K → 23M
14:11 | 11:20/mi
24M
4:42:26
Rank: #25250 (+48)
23M → 24M
11:27 | 11:27/mi
40K· 24.85 mi
4:52:41
Rank: #25213 (+37)
24M → 40K
10:15 | 11:59/mi
25.2M
4:57:46
Rank: #25228 (-15)
40K → 25.2M
5:05 | 14:44/mi
Finish· 26.22 mi
5:07:57
Rank: #25159 (+69)
25.2M → Finish
10:11 | 10:00/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:27:48
Pace11:16 /mi
2nd Half
Distance13.11 mi
Time2:40:09
Pace12:13 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0033:3110:4733:31
10:47
-
10K
6.21 mi12:31:021:07:3310:5234:02
10:57
+0:10
15K
9.32 mi13:05:191:41:5010:5634:17
11:02
+0:05
20K
12.43 mi13:43:422:20:1311:1738:23
12:21
+1:19
Half
13.11 mi13:51:172:27:4811:167:35
11:07
-1:14
25K
15.53 mi14:21:522:58:2311:2930:35
12:37
+1:30
30K
18.64 mi15:02:023:38:3311:4340:10
12:56
+0:19
20M
20.00 mi15:18:123:54:4311:4416:10
11:54
-1:02
21M
21.00 mi15:30:274:06:5811:4612:15
12:15
+0:21
35K
21.75 mi15:40:174:16:4811:489:50
13:09
+0:54
23M
23.00 mi15:54:284:30:5911:4714:11
11:20
-1:49
24M
24.00 mi16:05:554:42:2611:4611:27
11:27
+0:07
40K
24.85 mi16:16:104:52:4111:4710:15
11:59
+0:32
25.2M
25.20 mi16:21:154:57:4611:495:05
14:44
+2:45
Finish
26.22 mi16:31:265:07:5711:4510:11
10:00
-4:44

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

10:00 /mi

Average Pace

11:45 /mi

Slowest Pace

14:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:13:47

43% of race

Time at Steady Pace

1:28:30

29% of race

Time at Slower Pace

1:25:40

28% of race

Average Pace: 11:45 /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 mi11:57:0033:3110:4733:31
10:47
#25355
10K
6.21 mi12:31:021:07:3310:5234:02
10:57
#25400
15K
9.32 mi13:05:191:41:5010:5634:17
11:02
#25343
20K
12.43 mi13:43:422:20:1311:1738:23
12:21
#25565
Half
13.11 mi13:51:172:27:4811:167:35
11:07
#25548
25K
15.53 mi14:21:522:58:2311:2930:35
12:37
#25590
30K
18.64 mi15:02:023:38:3311:4340:10
12:56
#25564
20M
20.00 mi15:18:123:54:4311:4416:10
11:54
#25470
21M
21.00 mi15:30:274:06:5811:4612:15
12:15
#25373
35K
21.75 mi15:40:174:16:4811:489:50
13:09
#25398
23M
23.00 mi15:54:284:30:5911:4714:11
11:20
#25298
24M
24.00 mi16:05:554:42:2611:4611:27
11:27
#25250
40K
24.85 mi16:16:104:52:4111:4710:15
11:59
#25213
25.2M
25.20 mi16:21:154:57:4611:495:05
14:44
#25228
Finish
26.22 mi16:31:265:07:5711:4510:11
10:00
#25159
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi25355146881468825227(Top 95%)14622(Top 96%)14622(Top 649%)
10K6.21 mi3.10 mi25400-4514711-2314711-2325413(Top 95%)14714(Top 97%)14714(Top 653%)
15K9.32 mi3.11 mi25343+5714680+3114680+3125227(Top 95%)14622(Top 96%)14622(Top 649%)
20K12.43 mi3.11 mi25565-22214757-7714757-7725864(Top 97%)14865(Top 98%)14865(Top 660%)
Half13.11 mi0.68 mi25548+1714748+914748+925099(Top 94%)14530(Top 96%)14530(Top 645%)
25K15.53 mi2.42 mi25590-4214760-1214760-1225635(Top 96%)14746(Top 97%)14746(Top 655%)
30K18.64 mi3.11 mi25564+2614735+2514735+2525352(Top 95%)14566(Top 96%)14566(Top 647%)
20M20.00 mi1.36 mi25470+9414683+5214683+5224070(Top 90%)13932(Top 92%)13932(Top 619%)
21M21.00 mi1.00 mi25373+9714634+4914634+4923128(Top 87%)13496(Top 89%)13496(Top 599%)
35K21.75 mi0.75 mi25398-2514640-614640-625666(Top 96%)14665(Top 97%)14665(Top 651%)
23M23.00 mi1.25 mi25298+10014591+4914591+4922953(Top 86%)13371(Top 88%)13371(Top 594%)
24M24.00 mi1.00 mi25250+4814564+2714564+2723806(Top 89%)13729(Top 90%)13729(Top 610%)
40K24.85 mi0.85 mi25213+3714544+2014544+2023880(Top 90%)13738(Top 91%)13738(Top 610%)
25.2M25.20 mi0.35 mi25228-1514550-614550-625547(Top 96%)14571(Top 96%)14571(Top 647%)
Finish26.22 mi1.02 mi25159+6914517+3314517+3321738(Top 82%)12744(Top 84%)12744(Top 566%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21stories
+97ft-345ft

Overall

25227

Males

14622

M45-49

14622

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

25413

Males

14714

M45-49

14714

10K→15K

6.2 - 9.3 mi

Top 95%
×3stories
+67ft-78ft

Overall

25227

Males

14622

M45-49

14622

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

25864

Males

14865

M45-49

14865

20K→Half

12.4 - 13.1 mi

Top 94%
×2stories
+19ft-37ft

Overall

25099

Males

14530

M45-49

14530

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

25635

Males

14746

M45-49

14746

25K→30K

15.5 - 18.6 mi

Top 95%
×9stories
+181ft-148ft

Overall

25352

Males

14566

M45-49

14566

30K→20M

18.6 - 20.0 mi

Top 90%
×5stories
+64ft-50ft

Overall

24070

Males

13932

M45-49

13932

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

23128

Males

13496

M45-49

13496

21M→35K

21.0 - 21.8 mi

Top 96%
×7stories
+17ft-86ft

Overall

25666

Males

14665

M45-49

14665

35K→23M

21.8 - 23.0 mi

Top 86%
×5stories
+23ft-63ft

Overall

22953

Males

13371

M45-49

13371

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

23806

Males

13729

M45-49

13729

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23880

Males

13738

M45-49

13738

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25547

Males

14571

M45-49

14571

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

21738

Males

12744

M45-49

12744

Passing Analysis

Category:
Athletes Passed
911
Passed By
715
Net Change
+196
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25355
5K → 10K136181-45#25355#25400
10K → 15K12770+57#25400#25343
15K → 20K30252-222#25343#25565
20K → Half247+17#25565#25548
Half → 25K3880-42#25548#25590
25K → 30K8054+26#25590#25564
30K → 20M962+94#25564#25470
20M → 21M992+97#25470#25373
21M → 35K1136-25#25373#25398
35K → 23M1022+100#25398#25298
23M → 24M546+48#25298#25250
24M → 40K414+37#25250#25213
40K → 25.2M318-15#25213#25228
25.2M → Finish701+69#25228#25159
TOTALS911715+196
📊

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