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BOSTON MARATHON 2023

Sam Gaskill

Bib: 14602•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:32
Rank: #17832
Start → 5K
26:32 | 8:32/mi
10K· 6.21 mi
52:54
Rank: #17980 (-148)
5K → 10K
26:22 | 8:29/mi
15K· 9.32 mi
1:19:09
Rank: #17800 (+180)
10K → 15K
26:15 | 8:27/mi
20K· 12.43 mi
1:46:08
Rank: #17825 (-25)
15K → 20K
26:59 | 8:41/mi
Half· 13.11 mi
1:51:57
Rank: #17821 (+4)
20K → Half
5:49 | 8:32/mi
25K· 15.53 mi
2:13:04
Rank: #17721 (+100)
Half → 25K
21:07 | 8:43/mi
30K· 18.64 mi
2:40:56
Rank: #17565 (+156)
25K → 30K
27:52 | 8:58/mi
20M
2:53:03
Rank: #17434 (+131)
30K → 20M
12:07 | 8:55/mi
21M
3:02:37
Rank: #17357 (+77)
20M → 21M
9:34 | 9:34/mi
35K· 21.75 mi
3:09:14
Rank: #17344 (+13)
21M → 35K
6:37 | 8:51/mi
23M
3:20:38
Rank: #17302 (+42)
35K → 23M
11:24 | 9:06/mi
24M
3:29:11
Rank: #17189 (+113)
23M → 24M
8:33 | 8:33/mi
40K· 24.85 mi
3:37:49
Rank: #17376 (-187)
24M → 40K
8:38 | 10:06/mi
25.2M
3:41:19
Rank: #17403 (-27)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:49:53
Rank: #17322 (+81)
25.2M → Finish
8:34 | 8:24/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:57
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:57:56
Pace9:00 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5926:328:3226:32
8:32
-
10K
6.21 mi11:47:2152:548:3126:22
8:29
-0:03
15K
9.32 mi12:13:361:19:098:3026:15
8:27
-0:02
20K
12.43 mi12:40:351:46:088:3226:59
8:41
+0:14
Half
13.11 mi12:46:241:51:578:325:49
8:32
-0:09
25K
15.53 mi13:07:312:13:048:3421:07
8:43
+0:11
30K
18.64 mi13:35:232:40:568:3827:52
8:58
+0:15
20M
20.00 mi13:47:302:53:038:3912:07
8:55
-0:03
21M
21.00 mi13:57:043:02:378:429:34
9:34
+0:39
35K
21.75 mi14:03:413:09:148:426:37
8:51
-0:43
23M
23.00 mi14:15:053:20:388:4311:24
9:06
+0:15
24M
24.00 mi14:23:383:29:118:438:33
8:33
-0:33
40K
24.85 mi14:32:163:37:498:468:38
10:06
+1:33
25.2M
25.20 mi14:35:463:41:198:473:30
10:09
+0:03
Finish
26.22 mi14:44:203:49:538:468:34
8:24
-1:45

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

8:24 /mi

Average Pace

8:46 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

8:34

4% of race

Time at Steady Pace

3:08:13

82% of race

Time at Slower Pace

33:06

14% of race

Average Pace: 8:46 /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 mi11:20:5926:328:3226:32
8:32
#17832
10K
6.21 mi11:47:2152:548:3126:22
8:29
#17980
15K
9.32 mi12:13:361:19:098:3026:15
8:27
#17800
20K
12.43 mi12:40:351:46:088:3226:59
8:41
#17825
Half
13.11 mi12:46:241:51:578:325:49
8:32
#17821
25K
15.53 mi13:07:312:13:048:3421:07
8:43
#17721
30K
18.64 mi13:35:232:40:568:3827:52
8:58
#17565
20M
20.00 mi13:47:302:53:038:3912:07
8:55
#17434
21M
21.00 mi13:57:043:02:378:429:34
9:34
#17357
35K
21.75 mi14:03:413:09:148:426:37
8:51
#17344
23M
23.00 mi14:15:053:20:388:4311:24
9:06
#17302
24M
24.00 mi14:23:383:29:118:438:33
8:33
#17189
40K
24.85 mi14:32:163:37:498:468:38
10:06
#17376
25.2M
25.20 mi14:35:463:41:198:473:30
10:09
#17403
Finish
26.22 mi14:44:203:49:538:468:34
8:24
#17322
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi17832113681136817447(Top 66%)11241(Top 74%)11241(Top 548%)
10K6.21 mi3.10 mi17980-14811436-6811436-6818161(Top 68%)11571(Top 76%)11571(Top 564%)
15K9.32 mi3.11 mi17800+18011378+5811378+5817447(Top 66%)11241(Top 74%)11241(Top 548%)
20K12.43 mi3.11 mi17825-2511385-711385-718017(Top 68%)11477(Top 76%)11477(Top 559%)
Half13.11 mi0.68 mi17821+411387-211387-217814(Top 67%)11420(Top 75%)11420(Top 557%)
25K15.53 mi2.42 mi17721+10011334+5311334+5317415(Top 65%)11160(Top 74%)11160(Top 544%)
30K18.64 mi3.11 mi17565+15611246+8811246+8816998(Top 64%)10916(Top 72%)10916(Top 532%)
20M20.00 mi1.36 mi17434+13111177+6911177+6916083(Top 60%)10449(Top 69%)10449(Top 509%)
21M21.00 mi1.00 mi17357+7711130+4711130+4716264(Top 61%)10472(Top 69%)10472(Top 510%)
35K21.75 mi0.75 mi17344+1311114+1611114+1617153(Top 64%)10772(Top 71%)10772(Top 525%)
23M23.00 mi1.25 mi17302+4211086+2811086+2816556(Top 62%)10485(Top 69%)10485(Top 511%)
24M24.00 mi1.00 mi17189+11311021+6511021+6514763(Top 55%)9654(Top 64%)9654(Top 470%)
40K24.85 mi0.85 mi17376-18711086-6511086-6520217(Top 76%)12017(Top 79%)12017(Top 586%)
25.2M25.20 mi0.35 mi17403-2711091-511091-517908(Top 67%)10967(Top 72%)10967(Top 534%)
Finish26.22 mi1.02 mi17322+8111046+4511046+4514775(Top 55%)9626(Top 63%)9626(Top 469%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21stories
+97ft-345ft

Overall

17447

Males

11241

M50-54

11241

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

18161

Males

11571

M50-54

11571

10K→15K

6.2 - 9.3 mi

Top 66%
×3stories
+67ft-78ft

Overall

17447

Males

11241

M50-54

11241

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

18017

Males

11477

M50-54

11477

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17814

Males

11420

M50-54

11420

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17415

Males

11160

M50-54

11160

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

16998

Males

10916

M50-54

10916

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16083

Males

10449

M50-54

10449

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

16264

Males

10472

M50-54

10472

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

17153

Males

10772

M50-54

10772

35K→23M

21.8 - 23.0 mi

Top 62%
×5stories
+23ft-63ft

Overall

16556

Males

10485

M50-54

10485

23M→24M

23.0 - 24.0 mi

Top 55%
×6stories
+12ft-82ft

Overall

14763

Males

9654

M50-54

9654

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20217

Males

12017

M50-54

12017

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17908

Males

10967

M50-54

10967

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14775

Males

9626

M50-54

9626

Passing Analysis

Category:
Athletes Passed
1873
Passed By
1363
Net Change
+510
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17832
5K → 10K246394-148#17832#17980
10K → 15K290110+180#17980#17800
15K → 20K154179-25#17800#17825
20K → Half3228+4#17825#17821
Half → 25K17676+100#17821#17721
25K → 30K256100+156#17721#17565
30K → 20M15322+131#17565#17434
20M → 21M12750+77#17434#17357
21M → 35K5946+13#17357#17344
35K → 23M10058+42#17344#17302
23M → 24M13320+113#17302#17189
24M → 40K22209-187#17189#17376
40K → 25.2M2552-27#17376#17403
25.2M → Finish10019+81#17403#17322
TOTALS18731363+510
📊

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