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BOSTON MARATHON 2023

Graham Merfield

Bib: 2715•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Masters (Masters Men)
#0 / 9891
Top 3%
Division (M60-64)
#0 / 1110
Top 0.2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:01
Rank: #1985
Start → 5K
20:01 | 6:27/mi
10K· 6.21 mi
39:59
Rank: #2156 (-171)
5K → 10K
19:58 | 6:26/mi
15K· 9.32 mi
59:48
Rank: #2076 (+80)
10K → 15K
19:49 | 6:23/mi
20K· 12.43 mi
1:19:41
Rank: #1996 (+80)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:24:01
Rank: #1985 (+11)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:39:29
Rank: #1903 (+82)
Half → 25K
15:28 | 6:23/mi
30K· 18.64 mi
1:59:35
Rank: #1802 (+101)
25K → 30K
20:06 | 6:28/mi
20M
2:08:22
Rank: #1740 (+62)
30K → 20M
8:47 | 6:28/mi
21M
2:15:06
Rank: #1694 (+46)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:19:43
Rank: #1662 (+32)
21M → 35K
4:37 | 6:10/mi
23M
2:27:53
Rank: #1639 (+23)
35K → 23M
8:10 | 6:31/mi
24M
2:34:19
Rank: #1625 (+14)
23M → 24M
6:26 | 6:26/mi
40K· 24.85 mi
2:39:54
Rank: #1603 (+22)
24M → 40K
5:35 | 6:32/mi
25.2M
2:42:20
Rank: #1603
40K → 25.2M
2:26 | 7:03/mi
Finish· 26.22 mi
2:49:01
Rank: #1612 (-9)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:01
Pace6:25 /mi
2nd Half
Distance13.11 mi
Time1:25:00
Pace6:29 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:4120:016:2720:01
6:27
-
10K
6.21 mi10:40:3939:596:2619:58
6:26
-0:01
15K
9.32 mi11:00:2859:486:2519:49
6:23
-0:03
20K
12.43 mi11:20:211:19:416:2519:53
6:24
+0:01
Half
13.11 mi11:24:411:24:016:254:20
6:21
-0:03
25K
15.53 mi11:40:091:39:296:2415:28
6:23
+0:02
30K
18.64 mi12:00:151:59:356:2520:06
6:28
+0:05
20M
20.00 mi12:09:022:08:226:258:47
6:28
0:00
21M
21.00 mi12:15:462:15:066:266:44
6:44
+0:16
35K
21.75 mi12:20:232:19:436:254:37
6:10
-0:34
23M
23.00 mi12:28:332:27:536:268:10
6:31
+0:21
24M
24.00 mi12:34:592:34:196:266:26
6:26
-0:05
40K
24.85 mi12:40:342:39:546:265:35
6:32
+0:06
25.2M
25.20 mi12:43:002:42:206:272:26
7:03
+0:31
Finish
26.22 mi12:49:412:49:016:276:41
6:34
-0:29

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

6:10 /mi

Average Pace

6:27 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:35

99% of race

Time at Steady Pace

2:26

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:27 /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 mi10:20:4120:016:2720:01
6:27
#1985
10K
6.21 mi10:40:3939:596:2619:58
6:26
#2156
15K
9.32 mi11:00:2859:486:2519:49
6:23
#2076
20K
12.43 mi11:20:211:19:416:2519:53
6:24
#1996
Half
13.11 mi11:24:411:24:016:254:20
6:21
#1985
25K
15.53 mi11:40:091:39:296:2415:28
6:23
#1903
30K
18.64 mi12:00:151:59:356:2520:06
6:28
#1802
20M
20.00 mi12:09:022:08:226:258:47
6:28
#1740
21M
21.00 mi12:15:462:15:066:266:44
6:44
#1694
35K
21.75 mi12:20:232:19:436:254:37
6:10
#1662
23M
23.00 mi12:28:332:27:536:268:10
6:31
#1639
24M
24.00 mi12:34:592:34:196:266:26
6:26
#1625
40K
24.85 mi12:40:342:39:546:265:35
6:32
#1603
25.2M
25.20 mi12:43:002:42:206:272:26
7:03
#1603
Finish
26.22 mi12:49:412:49:016:276:41
6:34
#1612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi1985189418941983(Top 7%)1898(Top 13%)1898(Top 171%)
10K6.21 mi3.10 mi2156-1712065-1712065-1712360(Top 9%)2260(Top 15%)2260(Top 204%)
15K9.32 mi3.11 mi2076+801990+751990+751983(Top 7%)1898(Top 13%)1898(Top 171%)
20K12.43 mi3.11 mi1996+801911+791911+791794(Top 7%)1717(Top 11%)1717(Top 155%)
Half13.11 mi0.68 mi1985+111901+101901+101967(Top 7%)1890(Top 12%)1890(Top 170%)
25K15.53 mi2.42 mi1903+821821+801821+801641(Top 6%)1571(Top 10%)1571(Top 142%)
30K18.64 mi3.11 mi1802+1011724+971724+971454(Top 5%)1390(Top 9%)1390(Top 125%)
20M20.00 mi1.36 mi1740+621664+601664+601322(Top 5%)1261(Top 8%)1261(Top 114%)
21M21.00 mi1.00 mi1694+461620+441620+441216(Top 5%)1158(Top 8%)1158(Top 104%)
35K21.75 mi0.75 mi1662+321589+311589+311173(Top 4%)1117(Top 7%)1117(Top 101%)
23M23.00 mi1.25 mi1639+231568+211568+211502(Top 6%)1427(Top 9%)1427(Top 129%)
24M24.00 mi1.00 mi1625+141554+141554+141797(Top 7%)1693(Top 11%)1693(Top 153%)
40K24.85 mi0.85 mi1603+221532+221532+221641(Top 6%)1544(Top 10%)1544(Top 139%)
25.2M25.20 mi0.35 mi16031531+11531+11891(Top 7%)1774(Top 12%)1774(Top 160%)
Finish26.22 mi1.02 mi1612-91540-91540-92735(Top 10%)2493(Top 16%)2493(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1983

Males

1898

M60-64

1898

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2360

Males

2260

M60-64

2260

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1983

Males

1898

M60-64

1898

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1794

Males

1717

M60-64

1717

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1967

Males

1890

M60-64

1890

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1641

Males

1571

M60-64

1571

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1454

Males

1390

M60-64

1390

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1322

Males

1261

M60-64

1261

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1216

Males

1158

M60-64

1158

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1173

Males

1117

M60-64

1117

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1502

Males

1427

M60-64

1427

23M→24M

23.0 - 24.0 mi

Top 7%
×6stories
+12ft-82ft

Overall

1797

Males

1693

M60-64

1693

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1641

Males

1544

M60-64

1544

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1891

Males

1774

M60-64

1774

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2735

Males

2493

M60-64

2493

Passing Analysis

Category:
Athletes Passed
763
Passed By
390
Net Change
+373
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1985
5K → 10K49220-171#1985#2156
10K → 15K10727+80#2156#2076
15K → 20K9818+80#2076#1996
20K → Half165+11#1996#1985
Half → 25K9210+82#1985#1903
25K → 30K11615+101#1903#1802
30K → 20M664+62#1802#1740
20M → 21M504+46#1740#1694
21M → 35K364+32#1694#1662
35K → 23M3815+23#1662#1639
23M → 24M3723+14#1639#1625
24M → 40K319+22#1625#1603
40K → 25.2M990#1603#1603
25.2M → Finish1827-9#1603#1612
TOTALS763390+373
📊

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