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BOSTON MARATHON 2023

Richard Blaylock

Bib: 20930•M

CA

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
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
8:39/mi
26:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:49/mi
54:14
↑ 79↓ 1380.4%
15K· 9.32 mi
9:06/mi
1:22:29
↑ 67↓ 78
20K· 12.43 mi
9:13/mi
1:51:07
↑ 106↓ 860.1%
Half· 13.11 mi
9:05/mi
1:57:19
↑ 19↓ 370.5%
25K· 15.53 mi
9:35/mi
2:20:34
↑ 66↓ 880.2%
30K· 18.64 mi
10:10/mi
2:52:08
↑ 181↓ 1480.2%
20M
10:49/mi
3:06:50
↑ 64↓ 500.2%
21M
12:11/mi
3:19:01
↑ 106↓ 241.6%
35K· 21.75 mi
12:14/mi
3:28:10
↑ 17↓ 861.7%
23M
11:16/mi
3:42:17
↑ 23↓ 630.6%
24M
10:37/mi
3:52:54
↓ 821.3%
40K· 24.85 mi
10:57/mi
4:02:16
↓ 200.3%
25.2M
13:44/mi
4:07:00
↑ 13↓ 160.2%
Finish· 26.22 mi
9:36/mi
4:16:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:57:19
Pace8:57 /mi
2nd Half
Distance13.11 mi
Time2:19:28
Pace10:38 /mi
📊Positive Split: 18.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:24:2726:518:3926:51
8:39
-
10K
6.21 mi11:51:5054:148:4427:23
8:49
+0:10
15K
9.32 mi12:20:051:22:298:5128:15
9:06
+0:17
20K
12.43 mi12:48:431:51:078:5628:38
9:13
+0:07
Half
13.11 mi12:54:551:57:198:576:12
9:05
-0:08
25K
15.53 mi13:18:102:20:349:0323:15
9:35
+0:30
30K
18.64 mi13:49:442:52:089:1431:34
10:10
+0:35
20M
20.00 mi14:04:263:06:509:2014:42
10:49
+0:39
21M
21.00 mi14:16:373:19:019:2912:11
12:11
+1:22
35K
21.75 mi14:25:463:28:109:349:09
12:14
+0:03
23M
23.00 mi14:39:533:42:179:4014:07
11:16
-0:58
24M
24.00 mi14:50:303:52:549:4210:37
10:37
-0:39
40K
24.85 mi14:59:524:02:169:459:22
10:57
+0:20
25.2M
25.20 mi15:04:364:07:009:484:44
13:44
+2:47
Finish
26.22 mi15:14:234:16:479:489:47
9:36
-4:08

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

8:39 /mi

Average Pace

9:48 /mi

Slowest Pace

13:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:19

46% of race

Time at Steady Pace

1:29:55

35% of race

Time at Slower Pace

49:33

19% of race

Average Pace: 9:48 /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 mi11:24:2726:518:3926:51
8:39
#18499
10K
6.21 mi11:51:5054:148:4427:23
8:49
#19291
15K
9.32 mi12:20:051:22:298:5128:15
9:06
#19862
20K
12.43 mi12:48:431:51:078:5628:38
9:13
#20067
Half
13.11 mi12:54:551:57:198:576:12
9:05
#20120
25K
15.53 mi13:18:102:20:349:0323:15
9:35
#20352
30K
18.64 mi13:49:442:52:089:1431:34
10:10
#20584
20M
20.00 mi14:04:263:06:509:2014:42
10:49
#20745
21M
21.00 mi14:16:373:19:019:2912:11
12:11
#20938
35K
21.75 mi14:25:463:28:109:349:09
12:14
#21202
23M
23.00 mi14:39:533:42:179:4014:07
11:16
#21339
24M
24.00 mi14:50:303:52:549:4210:37
10:37
#21388
40K
24.85 mi14:59:524:02:169:459:22
10:57
#21437
25.2M
25.20 mi15:04:364:07:009:484:44
13:44
#21532
Finish
26.22 mi15:14:234:16:479:489:47
9:36
#21489
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18499116121161220918(Top 79%)12706(Top 84%)12706(Top 1145%)
10K6.21 mi3.10 mi19291-79211940-32811940-32820002(Top 75%)12284(Top 81%)12284(Top 1107%)
15K9.32 mi3.11 mi19862-57112183-24312183-24320918(Top 79%)12706(Top 84%)12706(Top 1145%)
20K12.43 mi3.11 mi20067-20512290-10712290-10720640(Top 78%)12595(Top 83%)12595(Top 1135%)
Half13.11 mi0.68 mi20120-5312317-2712317-2720777(Top 78%)12644(Top 83%)12644(Top 1139%)
25K15.53 mi2.42 mi20352-23212426-10912426-10921108(Top 79%)12759(Top 84%)12759(Top 1149%)
30K18.64 mi3.11 mi20584-23212509-8312509-8321439(Top 81%)12820(Top 84%)12820(Top 1155%)
20M20.00 mi1.36 mi20745-16112579-7012579-7022372(Top 84%)13170(Top 87%)13170(Top 1186%)
21M21.00 mi1.00 mi20938-19312645-6612645-6623021(Top 86%)13433(Top 89%)13433(Top 1210%)
35K21.75 mi0.75 mi21202-26412745-10012745-10024905(Top 94%)14271(Top 94%)14271(Top 1286%)
23M23.00 mi1.25 mi21339-13712801-5612801-5622845(Top 86%)13315(Top 88%)13315(Top 1200%)
24M24.00 mi1.00 mi21388-4912817-1612817-1622258(Top 84%)12994(Top 86%)12994(Top 1171%)
40K24.85 mi0.85 mi21437-4912826-912826-922251(Top 84%)12962(Top 85%)12962(Top 1168%)
25.2M25.20 mi0.35 mi21532-9512862-3612862-3624741(Top 93%)14153(Top 93%)14153(Top 1275%)
Finish26.22 mi1.02 mi21489+4312836+2612836+2620469(Top 77%)12172(Top 80%)12172(Top 1097%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

20918

Males

12706

M60-64

12706

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

20002

Males

12284

M60-64

12284

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

20918

Males

12706

M60-64

12706

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20640

Males

12595

M60-64

12595

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20777

Males

12644

M60-64

12644

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

21108

Males

12759

M60-64

12759

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21439

Males

12820

M60-64

12820

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22372

Males

13170

M60-64

13170

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

23021

Males

13433

M60-64

13433

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

24905

Males

14271

M60-64

14271

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

22845

Males

13315

M60-64

13315

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22258

Males

12994

M60-64

12994

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

22251

Males

12962

M60-64

12962

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24741

Males

14153

M60-64

14153

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20469

Males

12172

M60-64

12172

Passing Analysis

Category:
Athletes Passed
634
Passed By
3624
Net Change
-2990
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18499
5K → 10K97889-792#18499#19291
10K → 15K48619-571#19291#19862
15K → 20K116321-205#19862#20067
20K → Half1265-53#20067#20120
Half → 25K63295-232#20120#20352
25K → 30K84316-232#20352#20584
30K → 20M29190-161#20584#20745
20M → 21M21214-193#20745#20938
21M → 35K4268-264#20938#21202
35K → 23M36173-137#21202#21339
23M → 24M3079-49#21339#21388
24M → 40K2978-49#21388#21437
40K → 25.2M499-95#21437#21532
25.2M → Finish6118+43#21532#21489
TOTALS6343624-2990
📊

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