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BOSTON MARATHON 2023

Mark Mcleod

Bib: 12333•M

ON

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 32%
Gender (Male)
#0 / 15176
Top 47%
Masters (Masters Men)
#0 / 9891
Top 35%
Division (M50-54)
#0 / 2052
Top 31%
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
7:33/mi
23:27
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
46:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:09:00
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:32:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:37:34
↑ 19↓ 370.5%
25K· 15.53 mi
7:52/mi
1:56:38
↑ 66↓ 880.2%
30K· 18.64 mi
7:57/mi
2:21:20
↑ 181↓ 1480.2%
20M
7:43/mi
2:31:49
↑ 64↓ 500.2%
21M
8:15/mi
2:40:04
↑ 106↓ 241.6%
35K· 21.75 mi
7:55/mi
2:45:59
↑ 17↓ 861.7%
23M
7:30/mi
2:55:23
↑ 23↓ 630.6%
24M
7:00/mi
3:02:23
↓ 821.3%
40K· 24.85 mi
7:00/mi
3:08:22
↓ 200.3%
25.2M
7:44/mi
3:11:02
↑ 13↓ 160.2%
Finish· 26.22 mi
6:47/mi
3:17:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:34
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:40:23
Pace7:39 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:0823:277:3323:27
7:33
-
10K
6.21 mi11:14:5046:097:2622:42
7:18
-0:15
15K
9.32 mi11:37:411:09:007:2422:51
7:21
+0:03
20K
12.43 mi12:01:051:32:247:2623:24
7:32
+0:11
Half
13.11 mi12:06:151:37:347:275:10
7:34
+0:02
25K
15.53 mi12:25:191:56:387:3019:04
7:52
+0:18
30K
18.64 mi12:50:012:21:207:3524:42
7:57
+0:05
20M
20.00 mi13:00:302:31:497:3510:29
7:43
-0:14
21M
21.00 mi13:08:452:40:047:378:15
8:15
+0:32
35K
21.75 mi13:14:402:45:597:385:55
7:55
-0:20
23M
23.00 mi13:24:042:55:237:389:24
7:30
-0:25
24M
24.00 mi13:31:043:02:237:367:00
7:00
-0:30
40K
24.85 mi13:37:033:08:227:355:59
7:00
0:00
25.2M
25.20 mi13:39:433:11:027:352:40
7:44
+0:44
Finish
26.22 mi13:46:383:17:577:336:55
6:47
-0:57

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

6:47 /mi

Average Pace

7:33 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:27

33% of race

Time at Steady Pace

1:14:34

38% of race

Time at Slower Pace

57:56

29% of race

Average Pace: 7:33 /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 mi10:52:0823:277:3323:27
7:33
#10044
10K
6.21 mi11:14:5046:097:2622:42
7:18
#9387
15K
9.32 mi11:37:411:09:007:2422:51
7:21
#9198
20K
12.43 mi12:01:051:32:247:2623:24
7:32
#9281
Half
13.11 mi12:06:151:37:347:275:10
7:34
#9356
25K
15.53 mi12:25:191:56:387:3019:04
7:52
#9714
30K
18.64 mi12:50:012:21:207:3524:42
7:57
#9835
20M
20.00 mi13:00:302:31:497:3510:29
7:43
#9669
21M
21.00 mi13:08:452:40:047:378:15
8:15
#9613
35K
21.75 mi13:14:402:45:597:385:55
7:55
#9652
23M
23.00 mi13:24:042:55:237:389:24
7:30
#9414
24M
24.00 mi13:31:043:02:237:367:00
7:00
#9149
40K
24.85 mi13:37:033:08:227:355:59
7:00
#8912
25.2M
25.20 mi13:39:433:11:027:352:40
7:44
#8827
Finish
26.22 mi13:46:383:17:577:336:55
6:47
#8603
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10044814881488964(Top 34%)7520(Top 50%)7520(Top 366%)
10K6.21 mi3.10 mi9387+6577811+3377811+3378896(Top 33%)7518(Top 50%)7518(Top 366%)
15K9.32 mi3.11 mi9198+1897686+1257686+1258964(Top 34%)7520(Top 50%)7520(Top 366%)
20K12.43 mi3.11 mi9281-837716-307716-309540(Top 36%)7817(Top 52%)7817(Top 381%)
Half13.11 mi0.68 mi9356-757763-477763-4710721(Top 40%)8447(Top 56%)8447(Top 412%)
25K15.53 mi2.42 mi9714-3587968-2057968-20511617(Top 44%)8752(Top 58%)8752(Top 427%)
30K18.64 mi3.11 mi9835-1218008-408008-4010496(Top 39%)8091(Top 53%)8091(Top 394%)
20M20.00 mi1.36 mi9669+1667877+1317877+1318282(Top 31%)6767(Top 45%)6767(Top 330%)
21M21.00 mi1.00 mi9613+567832+457832+458879(Top 33%)6993(Top 46%)6993(Top 341%)
35K21.75 mi0.75 mi9652-397840-87840-811401(Top 43%)8291(Top 55%)8291(Top 404%)
23M23.00 mi1.25 mi9414+2387668+1727668+1726467(Top 24%)5489(Top 36%)5489(Top 267%)
24M24.00 mi1.00 mi9149+2657482+1867482+1864694(Top 18%)4208(Top 28%)4208(Top 205%)
40K24.85 mi0.85 mi8912+2377318+1647318+1643877(Top 15%)3494(Top 23%)3494(Top 170%)
25.2M25.20 mi0.35 mi8827+857255+637255+635067(Top 19%)4344(Top 29%)4344(Top 212%)
Finish26.22 mi1.02 mi8603+2247111+1447111+1444020(Top 15%)3559(Top 23%)3559(Top 173%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

8964

Males

7520

M50-54

7520

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8896

Males

7518

M50-54

7518

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

8964

Males

7520

M50-54

7520

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9540

Males

7817

M50-54

7817

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10721

Males

8447

M50-54

8447

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11617

Males

8752

M50-54

8752

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10496

Males

8091

M50-54

8091

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8282

Males

6767

M50-54

6767

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8879

Males

6993

M50-54

6993

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

11401

Males

8291

M50-54

8291

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6467

Males

5489

M50-54

5489

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4694

Males

4208

M50-54

4208

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

3877

Males

3494

M50-54

3494

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5067

Males

4344

M50-54

4344

25.2M→Finish

25.2 - 26.2 mi

Top 15%
×2story building
+22ft-21ft

Overall

4020

Males

3559

M50-54

3559

Passing Analysis

Category:
Athletes Passed
2649*
Passed By
1208
Net Change
+1441
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10044
5K → 10K734*77+657#10044#9387
10K → 15K25768+189#9387#9198
15K → 20K113196-83#9198#9281
20K → Half782-75#9281#9356
Half → 25K45403-358#9356#9714
25K → 30K126*247-121#9714#9835
30K → 20M18418+166#9835#9669
20M → 21M9842+56#9669#9613
21M → 35K2665-39#9613#9652
35K → 23M2446+238#9652#9414
23M → 24M2661+265#9414#9149
24M → 40K2370+237#9149#8912
40K → 25.2M861+85#8912#8827
25.2M → Finish2262+224#8827#8603
TOTALS2649*1208+1441

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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