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BOSTON MARATHON 2023

J Royston

Bib: 3891•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 18%
Gender (Male)
#0 / 15176
Top 29%
Masters (Masters Men)
#0 / 9891
Top 15%
Division (M45-49)
#0 / 2252
Top 18%
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
6:46/mi
21:01
↑ 97↓ 3451.5%
10K· 6.21 mi
6:42/mi
41:51
↑ 79↓ 1380.4%
15K· 9.32 mi
6:47/mi
1:02:54
↑ 67↓ 78
20K· 12.43 mi
6:49/mi
1:24:05
↑ 106↓ 860.1%
Half· 13.11 mi
6:43/mi
1:28:40
↑ 19↓ 370.5%
25K· 15.53 mi
6:53/mi
1:45:21
↑ 66↓ 880.2%
30K· 18.64 mi
7:07/mi
2:07:28
↑ 181↓ 1480.2%
20M
7:14/mi
2:17:18
↑ 64↓ 500.2%
21M
7:34/mi
2:24:52
↑ 106↓ 241.6%
35K· 21.75 mi
6:56/mi
2:30:03
↑ 17↓ 861.7%
23M
7:14/mi
2:39:07
↑ 23↓ 630.6%
24M
7:16/mi
2:46:23
↓ 821.3%
40K· 24.85 mi
7:24/mi
2:52:43
↓ 200.3%
25.2M
7:58/mi
2:55:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:20/mi
3:02:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:40
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:34:16
Pace7:11 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3721:016:4621:01
6:46
-
10K
6.21 mi10:43:2741:516:4420:50
6:42
-0:04
15K
9.32 mi11:04:301:02:546:4521:03
6:47
+0:05
20K
12.43 mi11:25:411:24:056:4621:11
6:49
+0:02
Half
13.11 mi11:30:161:28:406:464:35
6:43
-0:06
25K
15.53 mi11:46:571:45:216:4716:41
6:53
+0:10
30K
18.64 mi12:09:042:07:286:5022:07
7:07
+0:14
20M
20.00 mi12:18:542:17:186:529:50
7:14
+0:07
21M
21.00 mi12:26:282:24:526:547:34
7:34
+0:20
35K
21.75 mi12:31:392:30:036:545:11
6:56
-0:38
23M
23.00 mi12:40:432:39:076:559:04
7:14
+0:18
24M
24.00 mi12:47:592:46:236:567:16
7:16
+0:02
40K
24.85 mi12:54:192:52:436:576:20
7:24
+0:08
25.2M
25.20 mi12:57:042:55:286:582:45
7:58
+0:34
Finish
26.22 mi13:04:323:02:566:597:28
7:20
-0:38

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

6:42 /mi

Average Pace

6:59 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:17

91% of race

Time at Steady Pace

13:54

8% of race

Time at Slower Pace

2:45

2% of race

Average Pace: 6:59 /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 mi10:22:3721:016:4621:01
6:46
#4311
10K
6.21 mi10:43:2741:516:4420:50
6:42
#4331
15K
9.32 mi11:04:301:02:546:4521:03
6:47
#4489
20K
12.43 mi11:25:411:24:056:4621:11
6:49
#4511
Half
13.11 mi11:30:161:28:406:464:35
6:43
#4498
25K
15.53 mi11:46:571:45:216:4716:41
6:53
#4517
30K
18.64 mi12:09:042:07:286:5022:07
7:07
#4652
20M
20.00 mi12:18:542:17:186:529:50
7:14
#4715
21M
21.00 mi12:26:282:24:526:547:34
7:34
#4721
35K
21.75 mi12:31:392:30:036:545:11
6:56
#4713
23M
23.00 mi12:40:432:39:076:559:04
7:14
#4710
24M
24.00 mi12:47:592:46:236:567:16
7:16
#4758
40K
24.85 mi12:54:192:52:436:576:20
7:24
#4762
25.2M
25.20 mi12:57:042:55:286:582:45
7:58
#4779
Finish
26.22 mi13:04:323:02:566:597:28
7:20
#4823
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi4311402940294876(Top 18%)4537(Top 30%)4537(Top 201%)
10K6.21 mi3.10 mi4331-204060-314060-314386(Top 16%)4105(Top 27%)4105(Top 182%)
15K9.32 mi3.11 mi4489-1584195-1354195-1354876(Top 18%)4537(Top 30%)4537(Top 201%)
20K12.43 mi3.11 mi4511-224213-184213-184612(Top 17%)4297(Top 28%)4297(Top 191%)
Half13.11 mi0.68 mi4498+134206+74206+74548(Top 17%)4240(Top 28%)4240(Top 188%)
25K15.53 mi2.42 mi4517-194220-144220-144815(Top 18%)4461(Top 29%)4461(Top 198%)
30K18.64 mi3.11 mi4652-1354338-1184338-1185029(Top 19%)4620(Top 30%)4620(Top 205%)
20M20.00 mi1.36 mi4715-634392-544392-545280(Top 20%)4755(Top 31%)4755(Top 211%)
21M21.00 mi1.00 mi4721-64397-54397-54900(Top 18%)4403(Top 29%)4403(Top 196%)
35K21.75 mi0.75 mi4713+84385+124385+124919(Top 18%)4425(Top 29%)4425(Top 196%)
23M23.00 mi1.25 mi4710+34378+74378+74987(Top 19%)4457(Top 29%)4457(Top 198%)
24M24.00 mi1.00 mi4758-484417-394417-396118(Top 23%)5165(Top 34%)5165(Top 229%)
40K24.85 mi0.85 mi4762-44412+54412+56095(Top 23%)5069(Top 33%)5069(Top 225%)
25.2M25.20 mi0.35 mi4779-174417-54417-56256(Top 23%)5092(Top 34%)5092(Top 226%)
Finish26.22 mi1.02 mi4823-444448-314448-317255(Top 27%)5710(Top 38%)5710(Top 254%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21story building
+97ft-345ft

Overall

4876

Males

4537

M45-49

4537

5K→10K

3.1 - 6.2 mi

Top 16%
×5story building
+79ft-138ft

Overall

4386

Males

4105

M45-49

4105

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+67ft-78ft

Overall

4876

Males

4537

M45-49

4537

15K→20K

9.3 - 12.4 mi

Top 17%
×5story building
+106ft-86ft

Overall

4612

Males

4297

M45-49

4297

20K→Half

12.4 - 13.1 mi

Top 17%
×2story building
+19ft-37ft

Overall

4548

Males

4240

M45-49

4240

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4815

Males

4461

M45-49

4461

25K→30K

15.5 - 18.6 mi

Top 19%
×9story building
+181ft-148ft

Overall

5029

Males

4620

M45-49

4620

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5280

Males

4755

M45-49

4755

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

4900

Males

4403

M45-49

4403

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

4919

Males

4425

M45-49

4425

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

4987

Males

4457

M45-49

4457

23M→24M

23.0 - 24.0 mi

Top 23%
×6story building
+12ft-82ft

Overall

6118

Males

5165

M45-49

5165

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6095

Males

5069

M45-49

5069

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6256

Males

5092

M45-49

5092

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2story building
+22ft-21ft

Overall

7255

Males

5710

M45-49

5710

Passing Analysis

Category:
Athletes Passed
918
Passed By
1430
Net Change
-512
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4311
5K → 10K207227-20#4311#4331
10K → 15K79237-158#4331#4489
15K → 20K96118-22#4489#4511
20K → Half3219+13#4511#4498
Half → 25K7897-19#4498#4517
25K → 30K90225-135#4517#4652
30K → 20M51114-63#4652#4715
20M → 21M5359-6#4715#4721
21M → 35K4335+8#4721#4713
35K → 23M7067+3#4713#4710
23M → 24M2876-48#4710#4758
24M → 40K4751-4#4758#4762
40K → 25.2M1027-17#4762#4779
25.2M → Finish3478-44#4779#4823
TOTALS9181430-512
📊

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