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BOSTON MARATHON 2023

S. Mark Courtney

Bib: 15888•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 10%
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
7:38/mi
23:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:12:00
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:37:00
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:42:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:01/mi
2:01:51
↑ 66↓ 880.2%
30K· 18.64 mi
8:10/mi
2:27:13
↑ 181↓ 1480.2%
20M
8:32/mi
2:38:49
↑ 64↓ 500.2%
21M
9:20/mi
2:48:09
↑ 106↓ 241.6%
35K· 21.75 mi
8:44/mi
2:54:41
↑ 17↓ 861.7%
23M
9:12/mi
3:06:12
↑ 23↓ 630.6%
24M
8:46/mi
3:14:58
↓ 821.3%
40K· 24.85 mi
8:50/mi
3:22:31
↓ 200.3%
25.2M
10:03/mi
3:25:59
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
3:35:07
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:25
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:52:42
Pace8:36 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:3923:427:3823:42
7:38
-
10K
6.21 mi11:20:3847:417:4023:59
7:43
+0:05
15K
9.32 mi11:44:571:12:007:4324:19
7:50
+0:07
20K
12.43 mi12:09:571:37:007:4825:00
8:03
+0:13
Half
13.11 mi12:15:221:42:257:495:25
7:56
-0:07
25K
15.53 mi12:34:482:01:517:5119:26
8:01
+0:05
30K
18.64 mi13:00:102:27:137:5425:22
8:10
+0:09
20M
20.00 mi13:11:462:38:497:5611:36
8:32
+0:22
21M
21.00 mi13:21:062:48:098:009:20
9:20
+0:48
35K
21.75 mi13:27:382:54:418:026:32
8:44
-0:36
23M
23.00 mi13:39:093:06:128:0611:31
9:12
+0:28
24M
24.00 mi13:47:553:14:588:078:46
8:46
-0:26
40K
24.85 mi13:55:283:22:318:097:33
8:50
+0:04
25.2M
25.20 mi13:58:563:25:598:103:28
10:03
+1:13
Finish
26.22 mi14:08:043:35:078:139:08
8:58
-1:05

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

7:38 /mi

Average Pace

8:13 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:13

68% of race

Time at Steady Pace

34:27

16% of race

Time at Slower Pace

33:27

16% of race

Average Pace: 8:12 /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 mi10:56:3923:427:3823:42
7:38
#10794
10K
6.21 mi11:20:3847:417:4023:59
7:43
#11558
15K
9.32 mi11:44:571:12:007:4324:19
7:50
#12002
20K
12.43 mi12:09:571:37:007:4825:00
8:03
#12445
Half
13.11 mi12:15:221:42:257:495:25
7:56
#12512
25K
15.53 mi12:34:482:01:517:5119:26
8:01
#12541
30K
18.64 mi13:00:102:27:137:5425:22
8:10
#12436
20M
20.00 mi13:11:462:38:497:5611:36
8:32
#12559
21M
21.00 mi13:21:062:48:098:009:20
9:20
#12706
35K
21.75 mi13:27:382:54:418:026:32
8:44
#12886
23M
23.00 mi13:39:093:06:128:0611:31
9:12
#13158
24M
24.00 mi13:47:553:14:588:078:46
8:46
#13291
40K
24.85 mi13:55:283:22:318:097:33
8:50
#13356
25.2M
25.20 mi13:58:563:25:598:103:28
10:03
#13440
Finish
26.22 mi14:08:043:35:078:139:08
8:58
#13666
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi107948566856612937(Top 49%)9485(Top 63%)9485(Top 1728%)
10K6.21 mi3.10 mi11558-7648908-3428908-34212424(Top 47%)9304(Top 61%)9304(Top 1695%)
15K9.32 mi3.11 mi12002-4449092-1849092-18412937(Top 49%)9485(Top 63%)9485(Top 1728%)
20K12.43 mi3.11 mi12445-4439257-1659257-16513795(Top 52%)9789(Top 65%)9789(Top 1783%)
Half13.11 mi0.68 mi12512-679288-319288-3113841(Top 52%)9835(Top 65%)9835(Top 1791%)
25K15.53 mi2.42 mi12541-299274+149274+1412860(Top 48%)9292(Top 61%)9292(Top 1693%)
30K18.64 mi3.11 mi12436+1059203+719203+7112091(Top 45%)8845(Top 58%)8845(Top 1611%)
20M20.00 mi1.36 mi12559-1239236-339236-3313833(Top 52%)9498(Top 63%)9498(Top 1730%)
21M21.00 mi1.00 mi12706-1479272-369272-3615148(Top 57%)9983(Top 66%)9983(Top 1818%)
35K21.75 mi0.75 mi12886-1809333-619333-6116548(Top 62%)10500(Top 69%)10500(Top 1913%)
23M23.00 mi1.25 mi13158-2729434-1019434-10117021(Top 64%)10695(Top 70%)10695(Top 1948%)
24M24.00 mi1.00 mi13291-1339465-319465-3116000(Top 60%)10168(Top 67%)10168(Top 1852%)
40K24.85 mi0.85 mi13356-659465946515211(Top 57%)9777(Top 64%)9777(Top 1781%)
25.2M25.20 mi0.35 mi13440-849484-199484-1917522(Top 66%)10779(Top 71%)10779(Top 1963%)
Finish26.22 mi1.02 mi13666-2269554-709554-7017764(Top 67%)10948(Top 72%)10948(Top 1994%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

12937

Males

9485

M65-69

9485

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12424

Males

9304

M65-69

9304

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

12937

Males

9485

M65-69

9485

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13795

Males

9789

M65-69

9789

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13841

Males

9835

M65-69

9835

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12860

Males

9292

M65-69

9292

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12091

Males

8845

M65-69

8845

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13833

Males

9498

M65-69

9498

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15148

Males

9983

M65-69

9983

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16548

Males

10500

M65-69

10500

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17021

Males

10695

M65-69

10695

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16000

Males

10168

M65-69

10168

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15211

Males

9777

M65-69

9777

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17522

Males

10779

M65-69

10779

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17764

Males

10948

M65-69

10948

Passing Analysis

Category:
Athletes Passed
875
Passed By
3747
Net Change
-2872
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10794
5K → 10K89853-764#10794#11558
10K → 15K67511-444#11558#12002
15K → 20K59502-443#12002#12445
20K → Half1380-67#12445#12512
Half → 25K122151-29#12512#12541
25K → 30K249144+105#12541#12436
30K → 20M63186-123#12436#12559
20M → 21M51198-147#12559#12706
21M → 35K17197-180#12706#12886
35K → 23M26298-272#12886#13158
23M → 24M34167-133#13158#13291
24M → 40K42107-65#13291#13356
40K → 25.2M1599-84#13356#13440
25.2M → Finish28254-226#13440#13666
TOTALS8753747-2872
📊

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