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BOSTON MARATHON 2023

Brian Mcgrath

Bib: 13793•M

ON

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:53/mi
24:29
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
50:04
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:14:53
↑ 67↓ 78
20K· 12.43 mi
8:06/mi
1:40:04
↑ 106↓ 860.1%
Half· 13.11 mi
8:04/mi
1:45:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:05:40
↑ 66↓ 880.2%
30K· 18.64 mi
8:33/mi
2:32:15
↑ 181↓ 1480.2%
20M
8:45/mi
2:44:08
↑ 64↓ 500.2%
21M
9:24/mi
2:53:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:35/mi
2:59:57
↑ 17↓ 861.7%
23M
9:02/mi
3:11:16
↑ 23↓ 630.6%
24M
8:53/mi
3:20:09
↓ 821.3%
40K· 24.85 mi
8:57/mi
3:27:48
↓ 200.3%
25.2M
10:41/mi
3:31:29
↑ 13↓ 160.2%
Finish· 26.22 mi
8:53/mi
3:40:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:34
Pace8:03 /mi
2nd Half
Distance13.11 mi
Time1:54:58
Pace8:46 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4824:297:5324:29
7:53
-
10K
6.21 mi11:18:2350:048:0325:35
8:14
+0:21
15K
9.32 mi11:43:121:14:538:0224:49
7:59
-0:15
20K
12.43 mi12:08:231:40:048:0325:11
8:06
+0:07
Half
13.11 mi12:13:531:45:348:035:30
8:04
-0:02
25K
15.53 mi12:33:592:05:408:0520:06
8:17
+0:13
30K
18.64 mi13:00:342:32:158:1026:35
8:33
+0:16
20M
20.00 mi13:12:272:44:088:1211:53
8:45
+0:12
21M
21.00 mi13:21:512:53:328:169:24
9:24
+0:39
35K
21.75 mi13:28:162:59:578:166:25
8:35
-0:49
23M
23.00 mi13:39:353:11:168:1911:19
9:02
+0:27
24M
24.00 mi13:48:283:20:098:208:53
8:53
-0:09
40K
24.85 mi13:56:073:27:488:227:39
8:57
+0:04
25.2M
25.20 mi13:59:483:31:298:243:41
10:41
+1:44
Finish
26.22 mi14:08:513:40:328:259:03
8:53
-1:48

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

7:53 /mi

Average Pace

8:25 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:34

48% of race

Time at Steady Pace

1:22:55

38% of race

Time at Slower Pace

32:03

15% of race

Average Pace: 8:25 /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 mi10:52:4824:297:5324:29
7:53
#13076
10K
6.21 mi11:18:2350:048:0325:35
8:14
#14797
15K
9.32 mi11:43:121:14:538:0224:49
7:59
#14602
20K
12.43 mi12:08:231:40:048:0325:11
8:06
#14504
Half
13.11 mi12:13:531:45:348:035:30
8:04
#14517
25K
15.53 mi12:33:592:05:408:0520:06
8:17
#14582
30K
18.64 mi13:00:342:32:158:1026:35
8:33
#14572
20M
20.00 mi13:12:272:44:088:1211:53
8:45
#14602
21M
21.00 mi13:21:512:53:328:169:24
9:24
#14648
35K
21.75 mi13:28:162:59:578:166:25
8:35
#14672
23M
23.00 mi13:39:353:11:168:1911:19
9:02
#14778
24M
24.00 mi13:48:283:20:098:208:53
8:53
#14837
40K
24.85 mi13:56:073:27:488:227:39
8:57
#14848
25.2M
25.20 mi13:59:483:31:298:243:41
10:41
#14949
Finish
26.22 mi14:08:513:40:328:259:03
8:53
#15076
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi130769574957414282(Top 54%)10022(Top 66%)10022(Top 488%)
10K6.21 mi3.10 mi14797-172110256-68210256-68216475(Top 62%)10894(Top 72%)10894(Top 531%)
15K9.32 mi3.11 mi14602+19510169+8710169+8714282(Top 54%)10022(Top 66%)10022(Top 488%)
20K12.43 mi3.11 mi14504+9810115+5410115+5414250(Top 54%)9978(Top 66%)9978(Top 486%)
Half13.11 mi0.68 mi14517-1310122-710122-714801(Top 56%)10218(Top 67%)10218(Top 498%)
25K15.53 mi2.42 mi14582-6510106+1610106+1614878(Top 56%)10108(Top 67%)10108(Top 493%)
30K18.64 mi3.11 mi14572+1010069+3710069+3714649(Top 55%)9913(Top 65%)9913(Top 483%)
20M20.00 mi1.36 mi14602-3010055+1410055+1415115(Top 57%)10031(Top 66%)10031(Top 489%)
21M21.00 mi1.00 mi14648-4610052+310052+315454(Top 58%)10113(Top 67%)10113(Top 493%)
35K21.75 mi0.75 mi14672-2410044+810044+815691(Top 59%)10146(Top 67%)10146(Top 494%)
23M23.00 mi1.25 mi14778-10610056-1210056-1216222(Top 61%)10339(Top 68%)10339(Top 504%)
24M24.00 mi1.00 mi14837-5910067-1110067-1116663(Top 63%)10468(Top 69%)10468(Top 510%)
40K24.85 mi0.85 mi14848-1110039+2810039+2815831(Top 59%)10052(Top 66%)10052(Top 490%)
25.2M25.20 mi0.35 mi14949-10110075-3610075-3619606(Top 74%)11730(Top 77%)11730(Top 572%)
Finish26.22 mi1.02 mi15076-12710104-2910104-2917394(Top 65%)10786(Top 71%)10786(Top 526%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

14282

Males

10022

M50-54

10022

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

16475

Males

10894

M50-54

10894

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

14282

Males

10022

M50-54

10022

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14250

Males

9978

M50-54

9978

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14801

Males

10218

M50-54

10218

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14878

Males

10108

M50-54

10108

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14649

Males

9913

M50-54

9913

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15115

Males

10031

M50-54

10031

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

15454

Males

10113

M50-54

10113

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15691

Males

10146

M50-54

10146

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16222

Males

10339

M50-54

10339

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16663

Males

10468

M50-54

10468

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15831

Males

10052

M50-54

10052

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

19606

Males

11730

M50-54

11730

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

17394

Males

10786

M50-54

10786

Passing Analysis

Category:
Athletes Passed
1248
Passed By
3248
Net Change
-2000
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13076
5K → 10K161737-1721#13076#14797
10K → 15K300105+195#14797#14602
15K → 20K237139+98#14602#14504
20K → Half2639-13#14504#14517
Half → 25K128193-65#14517#14582
25K → 30K166156+10#14582#14572
30K → 20M82112-30#14572#14602
20M → 21M69115-46#14602#14648
21M → 35K4064-24#14648#14672
35K → 23M47153-106#14672#14778
23M → 24M44103-59#14778#14837
24M → 40K5667-11#14837#14848
40K → 25.2M12113-101#14848#14949
25.2M → Finish25152-127#14949#15076
TOTALS12483248-2000
📊

Passing Visuals

Category:
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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