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BOSTON MARATHON 2023

Douglas Jamieson

Bib: 21253•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 (M60-64)
#0 / 1110
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:16
Rank: #19318
Start → 5K
27:16 | 8:47/mi
10K· 6.21 mi
52:16
Rank: #17281 (+2037)
5K → 10K
25:00 | 8:03/mi
15K· 9.32 mi
1:17:14
Rank: #16414 (+867)
10K → 15K
24:58 | 8:02/mi
20K· 12.43 mi
1:42:34
Rank: #15934 (+480)
15K → 20K
25:20 | 8:09/mi
Half· 13.11 mi
1:48:03
Rank: #15865 (+69)
20K → Half
5:29 | 8:02/mi
25K· 15.53 mi
2:08:07
Rank: #15667 (+198)
Half → 25K
20:04 | 8:17/mi
30K· 18.64 mi
2:34:52
Rank: #15538 (+129)
25K → 30K
26:45 | 8:37/mi
20M
2:46:54
Rank: #15526 (+12)
30K → 20M
12:02 | 8:51/mi
21M
2:56:31
Rank: #15565 (-39)
20M → 21M
9:37 | 9:37/mi
35K· 21.75 mi
3:03:13
Rank: #15653 (-88)
21M → 35K
6:42 | 8:57/mi
23M
3:15:02
Rank: #15796 (-143)
35K → 23M
11:49 | 9:26/mi
24M
3:24:27
Rank: #15998 (-202)
23M → 24M
9:25 | 9:25/mi
40K· 24.85 mi
3:33:18
Rank: #16260 (-262)
24M → 40K
8:51 | 10:21/mi
25.2M
3:37:09
Rank: #16394 (-134)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
3:46:11
Rank: #16424 (-30)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:03
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time1:58:08
Pace9:01 /mi
📊Positive Split: 9.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1327:168:4727:16
8:47
-
10K
6.21 mi12:08:1352:168:2525:00
8:03
-0:44
15K
9.32 mi12:33:111:17:148:1724:58
8:02
-0:01
20K
12.43 mi12:58:311:42:348:1525:20
8:09
+0:07
Half
13.11 mi13:04:001:48:038:155:29
8:02
-0:07
25K
15.53 mi13:24:042:08:078:1520:04
8:17
+0:15
30K
18.64 mi13:50:492:34:528:1826:45
8:37
+0:20
20M
20.00 mi14:02:512:46:548:2112:02
8:51
+0:14
21M
21.00 mi14:12:282:56:318:249:37
9:37
+0:46
35K
21.75 mi14:19:103:03:138:256:42
8:57
-0:40
23M
23.00 mi14:30:593:15:028:2911:49
9:26
+0:29
24M
24.00 mi14:40:243:24:278:319:25
9:25
-0:01
40K
24.85 mi14:49:153:33:188:358:51
10:21
+0:56
25.2M
25.20 mi14:53:063:37:098:373:51
11:10
+0:49
Finish
26.22 mi15:02:083:46:118:389:02
8:52
-2:18

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

8:02 /mi

Average Pace

8:38 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:51

45% of race

Time at Steady Pace

1:21:47

36% of race

Time at Slower Pace

43:33

19% of race

Average Pace: 8:38 /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 mi11:43:1327:168:4727:16
8:47
#19318
10K
6.21 mi12:08:1352:168:2525:00
8:03
#17281
15K
9.32 mi12:33:111:17:148:1724:58
8:02
#16414
20K
12.43 mi12:58:311:42:348:1525:20
8:09
#15934
Half
13.11 mi13:04:001:48:038:155:29
8:02
#15865
25K
15.53 mi13:24:042:08:078:1520:04
8:17
#15667
30K
18.64 mi13:50:492:34:528:1826:45
8:37
#15538
20M
20.00 mi14:02:512:46:548:2112:02
8:51
#15526
21M
21.00 mi14:12:282:56:318:249:37
9:37
#15565
35K
21.75 mi14:19:103:03:138:256:42
8:57
#15653
23M
23.00 mi14:30:593:15:028:2911:49
9:26
#15796
24M
24.00 mi14:40:243:24:278:319:25
9:25
#15998
40K
24.85 mi14:49:153:33:188:358:51
10:21
#16260
25.2M
25.20 mi14:53:063:37:098:373:51
11:10
#16394
Finish
26.22 mi15:02:083:46:118:389:02
8:52
#16424
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19318118971189714686(Top 55%)10173(Top 67%)10173(Top 916%)
10K6.21 mi3.10 mi17281+203711158+73911158+73915135(Top 57%)10367(Top 68%)10367(Top 934%)
15K9.32 mi3.11 mi16414+86710860+29810860+29814686(Top 55%)10173(Top 67%)10173(Top 916%)
20K12.43 mi3.11 mi15934+48010651+20910651+20914623(Top 55%)10131(Top 67%)10131(Top 913%)
Half13.11 mi0.68 mi15865+6910619+3210619+3214654(Top 55%)10174(Top 67%)10174(Top 917%)
25K15.53 mi2.42 mi15667+19810519+10010519+10014782(Top 56%)10077(Top 66%)10077(Top 908%)
30K18.64 mi3.11 mi15538+12910428+9110428+9114974(Top 56%)10046(Top 66%)10046(Top 905%)
20M20.00 mi1.36 mi15526+1210403+2510403+2515734(Top 59%)10305(Top 68%)10305(Top 928%)
21M21.00 mi1.00 mi15565-3910391+1210391+1216483(Top 62%)10560(Top 70%)10560(Top 951%)
35K21.75 mi0.75 mi15653-8810405-1410405-1417702(Top 66%)11010(Top 73%)11010(Top 992%)
23M23.00 mi1.25 mi15796-14310438-3310438-3318050(Top 68%)11134(Top 73%)11134(Top 1003%)
24M24.00 mi1.00 mi15998-20210508-7010508-7018891(Top 71%)11482(Top 76%)11482(Top 1034%)
40K24.85 mi0.85 mi16260-26210611-10310611-10320856(Top 78%)12307(Top 81%)12307(Top 1109%)
25.2M25.20 mi0.35 mi16394-13410653-4210653-4220785(Top 78%)12285(Top 81%)12285(Top 1107%)
Finish26.22 mi1.02 mi16424-3010667-1410667-1417319(Top 65%)10750(Top 71%)10750(Top 968%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

14686

Males

10173

M60-64

10173

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15135

Males

10367

M60-64

10367

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

14686

Males

10173

M60-64

10173

15K→20K

9.3 - 12.4 mi

Top 55%
×5stories
+106ft-86ft

Overall

14623

Males

10131

M60-64

10131

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14654

Males

10174

M60-64

10174

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14782

Males

10077

M60-64

10077

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14974

Males

10046

M60-64

10046

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15734

Males

10305

M60-64

10305

20M→21M

20.0 - 21.0 mi

Top 62%
×8stories
+106ft-24ft

Overall

16483

Males

10560

M60-64

10560

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

17702

Males

11010

M60-64

11010

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18050

Males

11134

M60-64

11134

23M→24M

23.0 - 24.0 mi

Top 71%
×6stories
+12ft-82ft

Overall

18891

Males

11482

M60-64

11482

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20856

Males

12307

M60-64

12307

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20785

Males

12285

M60-64

12285

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17319

Males

10750

M60-64

10750

Passing Analysis

Category:
Athletes Passed
4332
Passed By
1438
Net Change
+2894
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19318
5K → 10K205821+2037#19318#17281
10K → 15K88518+867#17281#16414
15K → 20K50323+480#16414#15934
20K → Half778+69#15934#15865
Half → 25K23739+198#15865#15667
25K → 30K235106+129#15667#15538
30K → 20M9583+12#15538#15526
20M → 21M71110-39#15526#15565
21M → 35K25113-88#15565#15653
35K → 23M44187-143#15653#15796
23M → 24M32234-202#15796#15998
24M → 40K15277-262#15998#16260
40K → 25.2M5139-134#16260#16394
25.2M → Finish5080-30#16394#16424
TOTALS43321438+2894
📊

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