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BOSTON MARATHON 2023

Mark Esterline

Bib: 15195•M

WI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M55-59)
#0 / 1422
Top 24%
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
7:25/mi
23:03
↑ 97↓ 3451.5%
10K· 6.21 mi
7:11/mi
45:21
↑ 79↓ 1380.4%
15K· 9.32 mi
7:05/mi
1:07:22
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:30:19
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:35:18
↑ 19↓ 370.5%
25K· 15.53 mi
7:54/mi
1:54:27
↑ 66↓ 880.2%
30K· 18.64 mi
8:15/mi
2:20:05
↑ 181↓ 1480.2%
20M
8:17/mi
2:31:20
↑ 64↓ 500.2%
21M
9:30/mi
2:40:50
↑ 106↓ 241.6%
35K· 21.75 mi
8:00/mi
2:46:49
↑ 17↓ 861.7%
23M
8:03/mi
2:56:54
↑ 23↓ 630.6%
24M
7:50/mi
3:04:44
↓ 821.3%
40K· 24.85 mi
8:12/mi
3:11:45
↓ 200.3%
25.2M
8:42/mi
3:14:45
↑ 13↓ 160.2%
Finish· 26.22 mi
7:59/mi
3:22:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:18
Pace7:16 /mi
2nd Half
Distance13.11 mi
Time1:47:35
Pace8:12 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:5623:037:2523:03
7:25
-
10K
6.21 mi11:15:1445:217:1822:18
7:11
-0:14
15K
9.32 mi11:37:151:07:227:1422:01
7:05
-0:06
20K
12.43 mi12:00:121:30:197:1622:57
7:23
+0:18
Half
13.11 mi12:05:111:35:187:164:59
7:18
-0:05
25K
15.53 mi12:24:201:54:277:2219:09
7:54
+0:36
30K
18.64 mi12:49:582:20:057:3125:38
8:15
+0:21
20M
20.00 mi13:01:132:31:207:3411:15
8:17
+0:02
21M
21.00 mi13:10:432:40:507:409:30
9:30
+1:13
35K
21.75 mi13:16:422:46:497:405:59
8:00
-1:30
23M
23.00 mi13:26:472:56:547:4110:05
8:03
+0:03
24M
24.00 mi13:34:373:04:447:427:50
7:50
-0:13
40K
24.85 mi13:41:383:11:457:437:01
8:12
+0:22
25.2M
25.20 mi13:44:383:14:457:443:00
8:42
+0:30
Finish
26.22 mi13:52:463:22:537:458:08
7:59
-0:43

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

7:05 /mi

Average Pace

7:45 /mi

Slowest Pace

9:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:18

47% of race

Time at Steady Pace

1:35:05

47% of race

Time at Slower Pace

12:30

6% of race

Average Pace: 7:44 /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 mi10:52:5623:037:2523:03
7:25
#8970
10K
6.21 mi11:15:1445:217:1822:18
7:11
#8429
15K
9.32 mi11:37:151:07:227:1422:01
7:05
#7960
20K
12.43 mi12:00:121:30:197:1622:57
7:23
#8021
Half
13.11 mi12:05:111:35:187:164:59
7:18
#8040
25K
15.53 mi12:24:201:54:277:2219:09
7:54
#8575
30K
18.64 mi12:49:582:20:057:3125:38
8:15
#9265
20M
20.00 mi13:01:132:31:207:3411:15
8:17
#9502
21M
21.00 mi13:10:432:40:507:409:30
9:30
#9882
35K
21.75 mi13:16:422:46:497:405:59
8:00
#9945
23M
23.00 mi13:26:472:56:547:4110:05
8:03
#9931
24M
24.00 mi13:34:373:04:447:427:50
7:50
#9912
40K
24.85 mi13:41:383:11:457:437:01
8:12
#9955
25.2M
25.20 mi13:44:383:14:457:443:00
8:42
#9950
Finish
26.22 mi13:52:463:22:537:458:08
7:59
#10016
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi8970757775777078(Top 27%)6303(Top 42%)6303(Top 443%)
10K6.21 mi3.10 mi8429+5417227+3507227+3507948(Top 30%)6904(Top 45%)6904(Top 486%)
15K9.32 mi3.11 mi7960+4696931+2966931+2967078(Top 27%)6303(Top 42%)6303(Top 443%)
20K12.43 mi3.11 mi8021-616950-196950-198409(Top 32%)7139(Top 47%)7139(Top 502%)
Half13.11 mi0.68 mi8040-196959-96959-98641(Top 32%)7305(Top 48%)7305(Top 514%)
25K15.53 mi2.42 mi8575-5357276-3177276-31711883(Top 45%)8852(Top 58%)8852(Top 623%)
30K18.64 mi3.11 mi9265-6907664-3887664-38812671(Top 48%)9083(Top 60%)9083(Top 639%)
20M20.00 mi1.36 mi9502-2377783-1197783-11912191(Top 46%)8783(Top 58%)8783(Top 618%)
21M21.00 mi1.00 mi9882-3807977-1947977-19415930(Top 60%)10314(Top 68%)10314(Top 725%)
35K21.75 mi0.75 mi9945-637991-147991-1412062(Top 45%)8571(Top 56%)8571(Top 603%)
23M23.00 mi1.25 mi9931+147958+337958+3310114(Top 38%)7545(Top 50%)7545(Top 531%)
24M24.00 mi1.00 mi9912+197911+477911+4710010(Top 38%)7391(Top 49%)7391(Top 520%)
40K24.85 mi0.85 mi9955-437902+97902+911371(Top 43%)8005(Top 53%)8005(Top 563%)
25.2M25.20 mi0.35 mi9950+57883+197883+1910695(Top 40%)7652(Top 50%)7652(Top 538%)
Finish26.22 mi1.02 mi10016-667901-187901-1811954(Top 45%)8252(Top 54%)8252(Top 580%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7078

Males

6303

M55-59

6303

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7948

Males

6904

M55-59

6904

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7078

Males

6303

M55-59

6303

15K→20K

9.3 - 12.4 mi

Top 32%
×5story building
+106ft-86ft

Overall

8409

Males

7139

M55-59

7139

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8641

Males

7305

M55-59

7305

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

11883

Males

8852

M55-59

8852

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

12671

Males

9083

M55-59

9083

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12191

Males

8783

M55-59

8783

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15930

Males

10314

M55-59

10314

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12062

Males

8571

M55-59

8571

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10114

Males

7545

M55-59

7545

23M→24M

23.0 - 24.0 mi

Top 38%
×6story building
+12ft-82ft

Overall

10010

Males

7391

M55-59

7391

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11371

Males

8005

M55-59

8005

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10695

Males

7652

M55-59

7652

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2story building
+22ft-21ft

Overall

11954

Males

8252

M55-59

8252

Passing Analysis

Category:
Athletes Passed
1650
Passed By
2693
Net Change
-1046
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8970
5K → 10K60867+541#8970#8429
10K → 15K4789+469#8429#7960
15K → 20K106167-61#7960#8021
20K → Half1837-19#8021#8040
Half → 25K21556-535#8040#8575
25K → 30K47737-690#8575#9265
30K → 20M34271-237#9265#9502
20M → 21M22401-380#9502#9882
21M → 35K2285-63#9882#9945
35K → 23M7965+14#9945#9931
23M → 24M8262+19#9931#9912
24M → 40K5194-43#9912#9955
40K → 25.2M3328+5#9955#9950
25.2M → Finish49114-66#9950#10016
TOTALS16502693-1046
📊

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