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BOSTON MARATHON 2023

Jason Burke

Bib: 13606•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:51/mi
48:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:51/mi
1:13:21
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:38:13
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:43:41
↑ 19↓ 370.5%
25K· 15.53 mi
7:58/mi
2:03:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:29:27
↑ 181↓ 1480.2%
20M
9:54/mi
2:42:54
↑ 64↓ 500.2%
21M
11:02/mi
2:53:56
↑ 106↓ 241.6%
35K· 21.75 mi
11:03/mi
3:02:12
↑ 17↓ 861.7%
23M
10:57/mi
3:15:55
↑ 23↓ 630.6%
24M
9:25/mi
3:25:20
↓ 821.3%
40K· 24.85 mi
10:12/mi
3:34:03
↓ 200.3%
25.2M
11:45/mi
3:38:06
↑ 13↓ 160.2%
Finish· 26.22 mi
9:36/mi
3:47:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:41
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time2:04:12
Pace9:28 /mi
📊Positive Split: 19.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5724:367:5524:36
7:55
-
10K
6.21 mi11:17:2048:597:5324:23
7:51
-0:04
15K
9.32 mi11:41:421:13:217:5224:22
7:51
0:00
20K
12.43 mi12:06:341:38:137:5424:52
8:00
+0:09
Half
13.11 mi12:12:021:43:417:555:28
8:01
+0:01
25K
15.53 mi12:31:222:03:017:5519:20
7:58
-0:03
30K
18.64 mi12:57:482:29:278:0126:26
8:30
+0:32
20M
20.00 mi13:11:152:42:548:0913:27
9:54
+1:24
21M
21.00 mi13:22:172:53:568:1711:02
11:02
+1:08
35K
21.75 mi13:30:333:02:128:238:16
11:03
+0:01
23M
23.00 mi13:44:163:15:558:3113:43
10:57
-0:06
24M
24.00 mi13:53:413:25:208:339:25
9:25
-1:32
40K
24.85 mi14:02:243:34:038:378:43
10:12
+0:47
25.2M
25.20 mi14:06:273:38:068:394:03
11:45
+1:33
Finish
26.22 mi14:16:143:47:538:429:47
9:36
-2:09

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

7:51 /mi

Average Pace

8:42 /mi

Slowest Pace

11:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:27

66% of race

Time at Steady Pace

32:39

14% of race

Time at Slower Pace

45:47

20% of race

Average Pace: 8:41 /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 mi10:52:5724:367:5524:36
7:55
#13392
10K
6.21 mi11:17:2048:597:5324:23
7:51
#13442
15K
9.32 mi11:41:421:13:217:5224:22
7:51
#13323
20K
12.43 mi12:06:341:38:137:5424:52
8:00
#13349
Half
13.11 mi12:12:021:43:417:555:28
8:01
#13384
25K
15.53 mi12:31:222:03:017:5519:20
7:58
#13216
30K
18.64 mi12:57:482:29:278:0126:26
8:30
#13426
20M
20.00 mi13:11:152:42:548:0913:27
9:54
#14189
21M
21.00 mi13:22:172:53:568:1711:02
11:02
#14776
35K
21.75 mi13:30:333:02:128:238:16
11:03
#15318
23M
23.00 mi13:44:163:15:558:3113:43
10:57
#16072
24M
24.00 mi13:53:413:25:208:339:25
9:25
#16208
40K
24.85 mi14:02:243:34:038:378:43
10:12
#16467
25.2M
25.20 mi14:06:273:38:068:394:03
11:45
#16626
Finish
26.22 mi14:16:143:47:538:429:47
9:36
#16826
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi133929712971213071(Top 49%)9539(Top 63%)9539(Top 424%)
10K6.21 mi3.10 mi13442-509725-139725-1313535(Top 51%)9770(Top 64%)9770(Top 434%)
15K9.32 mi3.11 mi13323+1199661+649661+6413071(Top 49%)9539(Top 63%)9539(Top 424%)
20K12.43 mi3.11 mi13349-269643+189643+1813457(Top 51%)9649(Top 64%)9649(Top 428%)
Half13.11 mi0.68 mi13384-359655-129655-1214463(Top 54%)10102(Top 67%)10102(Top 449%)
25K15.53 mi2.42 mi13216+1689574+819574+8112524(Top 47%)9143(Top 60%)9143(Top 406%)
30K18.64 mi3.11 mi13426-2109614-409614-4014366(Top 54%)9806(Top 65%)9806(Top 435%)
20M20.00 mi1.36 mi14189-7639888-2749888-27420160(Top 76%)12178(Top 80%)12178(Top 541%)
21M21.00 mi1.00 mi14776-58710109-22110109-22120886(Top 78%)12465(Top 82%)12465(Top 554%)
35K21.75 mi0.75 mi15318-54210282-17310282-17323373(Top 88%)13545(Top 89%)13545(Top 601%)
23M23.00 mi1.25 mi16072-75410558-27610558-27622248(Top 84%)13033(Top 86%)13033(Top 579%)
24M24.00 mi1.00 mi16208-13610606-4810606-4818892(Top 71%)11483(Top 76%)11483(Top 510%)
40K24.85 mi0.85 mi16467-25910692-8610692-8620459(Top 77%)12122(Top 80%)12122(Top 538%)
25.2M25.20 mi0.35 mi16626-15910759-6710759-6722009(Top 83%)12842(Top 85%)12842(Top 570%)
Finish26.22 mi1.02 mi16826-20010831-7210831-7220453(Top 77%)12156(Top 80%)12156(Top 540%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13071

Males

9539

M45-49

9539

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13535

Males

9770

M45-49

9770

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13071

Males

9539

M45-49

9539

15K→20K

9.3 - 12.4 mi

Top 51%
×5story building
+106ft-86ft

Overall

13457

Males

9649

M45-49

9649

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14463

Males

10102

M45-49

10102

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12524

Males

9143

M45-49

9143

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14366

Males

9806

M45-49

9806

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20160

Males

12178

M45-49

12178

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20886

Males

12465

M45-49

12465

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23373

Males

13545

M45-49

13545

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22248

Males

13033

M45-49

13033

23M→24M

23.0 - 24.0 mi

Top 71%
×6story building
+12ft-82ft

Overall

18892

Males

11483

M45-49

11483

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20459

Males

12122

M45-49

12122

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22009

Males

12842

M45-49

12842

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20453

Males

12156

M45-49

12156

Passing Analysis

Category:
Athletes Passed
1192
Passed By
4626
Net Change
-3434
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13392
5K → 10K275325-50#13392#13442
10K → 15K265146+119#13442#13323
15K → 20K170196-26#13323#13349
20K → Half1954-35#13349#13384
Half → 25K22860+168#13384#13216
25K → 30K122332-210#13216#13426
30K → 20M10773-763#13426#14189
20M → 21M7594-587#14189#14776
21M → 35K5547-542#14776#15318
35K → 23M6760-754#15318#16072
23M → 24M34170-136#16072#16208
24M → 40K20279-259#16208#16467
40K → 25.2M5164-159#16467#16626
25.2M → Finish26226-200#16626#16826
TOTALS11924626-3434
📊

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