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BOSTON MARATHON 2023

Stephen Burrows

Bib: 15954•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 (M70-74)
#0 / 213
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
12:35/mi
39:07
↑ 97↓ 3451.5%
10K· 6.21 mi
12:35/mi
1:18:13
↑ 79↓ 1380.4%
15K· 9.32 mi
14:36/mi
2:03:34
↑ 67↓ 78
20K· 12.43 mi
14:15/mi
2:47:50
↑ 106↓ 860.1%
Half· 13.11 mi
13:44/mi
2:57:12
↑ 19↓ 370.5%
25K· 15.53 mi
14:29/mi
3:32:18
↑ 66↓ 880.2%
30K· 18.64 mi
14:59/mi
4:18:52
↑ 181↓ 1480.2%
20M
17:02/mi
4:42:01
↑ 64↓ 500.2%
21M
14:42/mi
4:56:43
↑ 106↓ 241.6%
35K· 21.75 mi
13:59/mi
5:07:11
↑ 17↓ 861.7%
23M
15:26/mi
5:26:30
↑ 23↓ 630.6%
24M
15:56/mi
5:42:26
↓ 821.3%
40K· 24.85 mi
16:14/mi
5:56:19
↓ 200.3%
25.2M
17:15/mi
6:02:16
↑ 13↓ 160.2%
Finish· 26.22 mi
15:58/mi
6:18:32
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:57:12
Pace13:31 /mi
2nd Half
Distance13.11 mi
Time3:21:20
Pace15:21 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:0539:0712:3539:07
12:35
-
10K
6.21 mi11:49:111:18:1312:3539:06
12:35
0:00
15K
9.32 mi12:34:322:03:3413:1545:21
14:36
+2:01
20K
12.43 mi13:18:482:47:5013:3044:16
14:15
-0:21
Half
13.11 mi13:28:102:57:1213:319:22
13:44
-0:31
25K
15.53 mi14:03:163:32:1813:4035:06
14:29
+0:45
30K
18.64 mi14:49:504:18:5213:5346:34
14:59
+0:30
20M
20.00 mi15:12:594:42:0114:0623:09
17:02
+2:03
21M
21.00 mi15:27:414:56:4314:0814:42
14:42
-2:20
35K
21.75 mi15:38:095:07:1114:0710:28
13:59
-0:43
23M
23.00 mi15:57:285:26:3014:1219:19
15:26
+1:27
24M
24.00 mi16:13:245:42:2614:1615:56
15:56
+0:30
40K
24.85 mi16:27:175:56:1914:2013:53
16:14
+0:18
25.2M
25.20 mi16:33:146:02:1614:235:57
17:15
+1:01
Finish
26.22 mi16:49:306:18:3214:2716:16
15:58
-1:17

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

12:35 /mi

Average Pace

14:27 /mi

Slowest Pace

17:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:03

26% of race

Time at Steady Pace

3:05:59

49% of race

Time at Slower Pace

1:34:30

25% of race

Average Pace: 14:26 /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 mi11:10:0539:0712:3539:07
12:35
#26550
10K
6.21 mi11:49:111:18:1312:3539:06
12:35
#26536
15K
9.32 mi12:34:322:03:3413:1545:21
14:36
#26596
20K
12.43 mi13:18:482:47:5013:3044:16
14:15
#26601
Half
13.11 mi13:28:102:57:1213:319:22
13:44
#26598
25K
15.53 mi14:03:163:32:1813:4035:06
14:29
#26598
30K
18.64 mi14:49:504:18:5213:5346:34
14:59
#26597
20M
20.00 mi15:12:594:42:0114:0623:09
17:02
#26602
21M
21.00 mi15:27:414:56:4314:0814:42
14:42
#26601
35K
21.75 mi15:38:095:07:1114:0710:28
13:59
#26602
23M
23.00 mi15:57:285:26:3014:1219:19
15:26
#26601
24M
24.00 mi16:13:245:42:2614:1615:56
15:56
#26602
40K
24.85 mi16:27:175:56:1914:2013:53
16:14
#26603
25.2M
25.20 mi16:33:146:02:1614:235:57
17:15
#26603
Finish
26.22 mi16:49:306:18:3214:2716:16
15:58
#26604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi26550151391513926610(Top 100%)15168(Top 100%)15168(Top 7121%)
10K6.21 mi3.10 mi26536+1415128+1115128+1126496(Top 100%)15113(Top 100%)15113(Top 7095%)
15K9.32 mi3.11 mi26596-6015158-3015158-3026610(Top 100%)15168(Top 100%)15168(Top 7121%)
20K12.43 mi3.11 mi26601-515160-215160-226545(Top 100%)15140(Top 100%)15140(Top 7108%)
Half13.11 mi0.68 mi26598+315157+315157+326501(Top 100%)15114(Top 100%)15114(Top 7096%)
25K15.53 mi2.42 mi2659815158-115158-126470(Top 99%)15108(Top 100%)15108(Top 7093%)
30K18.64 mi3.11 mi26597+1151581515826415(Top 99%)15071(Top 99%)15071(Top 7076%)
20M20.00 mi1.36 mi26602-515161-315161-326555(Top 100%)15142(Top 100%)15142(Top 7109%)
21M21.00 mi1.00 mi26601+115162-115162-125564(Top 96%)14656(Top 97%)14656(Top 6881%)
35K21.75 mi0.75 mi26602-1151621516226124(Top 98%)14910(Top 98%)14910(Top 7000%)
23M23.00 mi1.25 mi26601+1151621516226391(Top 99%)15044(Top 99%)15044(Top 7063%)
24M24.00 mi1.00 mi26602-115163-115163-126521(Top 100%)15114(Top 100%)15114(Top 7096%)
40K24.85 mi0.85 mi26603-1151631516326461(Top 99%)15074(Top 99%)15074(Top 7077%)
25.2M25.20 mi0.35 mi26603151631516326412(Top 99%)15041(Top 99%)15041(Top 7062%)
Finish26.22 mi1.02 mi26604-115164-115164-126561(Top 100%)15135(Top 100%)15135(Top 7106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21story building
+97ft-345ft

Overall

26610

Males

15168

M70-74

15168

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

26496

Males

15113

M70-74

15113

10K→15K

6.2 - 9.3 mi

Top 100%
×3story building
+67ft-78ft

Overall

26610

Males

15168

M70-74

15168

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

26545

Males

15140

M70-74

15140

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

26501

Males

15114

M70-74

15114

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26470

Males

15108

M70-74

15108

25K→30K

15.5 - 18.6 mi

Top 99%
×9story building
+181ft-148ft

Overall

26415

Males

15071

M70-74

15071

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

26555

Males

15142

M70-74

15142

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25564

Males

14656

M70-74

14656

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26124

Males

14910

M70-74

14910

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26391

Males

15044

M70-74

15044

23M→24M

23.0 - 24.0 mi

Top 100%
×6story building
+12ft-82ft

Overall

26521

Males

15114

M70-74

15114

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26461

Males

15074

M70-74

15074

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26412

Males

15041

M70-74

15041

25.2M→Finish

25.2 - 26.2 mi

Top 100%
×2story building
+22ft-21ft

Overall

26561

Males

15135

M70-74

15135

Passing Analysis

Category:
Athletes Passed
46
Passed By
100
Net Change
-54
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26550
5K → 10K2915+14#26550#26536
10K → 15K060-60#26536#26596
15K → 20K27-5#26596#26601
20K → Half30+3#26601#26598
Half → 25K220#26598#26598
25K → 30K32+1#26598#26597
30K → 20M38-5#26597#26602
20M → 21M21+1#26602#26601
21M → 35K01-1#26601#26602
35K → 23M10+1#26602#26601
23M → 24M01-1#26601#26602
24M → 40K01-1#26602#26603
40K → 25.2M110#26603#26603
25.2M → Finish01-1#26603#26604
TOTALS46100-54
📊

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