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BOSTON MARATHON 2023

Leonard Diaz

Bib: 11806•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
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
7:32/mi
23:25
↑ 97↓ 3451.5%
10K· 6.21 mi
7:10/mi
45:42
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:29
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:36:18
↑ 19↓ 370.5%
25K· 15.53 mi
7:26/mi
1:54:20
↑ 66↓ 880.2%
30K· 18.64 mi
7:49/mi
2:18:37
↑ 181↓ 1480.2%
20M
7:57/mi
2:29:25
↑ 64↓ 500.2%
21M
9:03/mi
2:38:28
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
2:44:29
↑ 17↓ 861.7%
23M
8:22/mi
2:54:58
↑ 23↓ 630.6%
24M
7:58/mi
3:02:56
↓ 821.3%
40K· 24.85 mi
8:26/mi
3:10:09
↓ 200.3%
25.2M
9:17/mi
3:13:21
↑ 13↓ 160.2%
Finish· 26.22 mi
9:05/mi
3:22:36
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:18
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
📊Positive Split: 10.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5923:257:3223:25
7:32
-
10K
6.21 mi11:12:1645:427:2122:17
7:10
-0:22
15K
9.32 mi11:35:031:08:297:2122:47
7:20
+0:10
20K
12.43 mi11:57:571:31:237:2122:54
7:22
+0:02
Half
13.11 mi12:02:521:36:187:214:55
7:12
-0:10
25K
15.53 mi12:20:541:54:207:2218:02
7:26
+0:14
30K
18.64 mi12:45:112:18:377:2624:17
7:49
+0:23
20M
20.00 mi12:55:592:29:257:2810:48
7:57
+0:08
21M
21.00 mi13:05:022:38:287:339:03
9:03
+1:06
35K
21.75 mi13:11:032:44:297:346:01
8:03
-1:00
23M
23.00 mi13:21:322:54:587:3610:29
8:22
+0:19
24M
24.00 mi13:29:303:02:567:377:58
7:58
-0:24
40K
24.85 mi13:36:433:10:097:397:13
8:26
+0:28
25.2M
25.20 mi13:39:553:13:217:403:12
9:17
+0:51
Finish
26.22 mi13:49:103:22:367:449:15
9:05
-0:12

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

7:10 /mi

Average Pace

7:44 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:20

56% of race

Time at Steady Pace

49:04

24% of race

Time at Slower Pace

39:12

19% 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 mi10:49:5923:257:3223:25
7:32
#9948
10K
6.21 mi11:12:1645:427:2122:17
7:10
#8847
15K
9.32 mi11:35:031:08:297:2122:47
7:20
#8817
20K
12.43 mi11:57:571:31:237:2122:54
7:22
#8653
Half
13.11 mi12:02:521:36:187:214:55
7:12
#8610
25K
15.53 mi12:20:541:54:207:2218:02
7:26
#8513
30K
18.64 mi12:45:112:18:377:2624:17
7:49
#8648
20M
20.00 mi12:55:592:29:257:2810:48
7:57
#8727
21M
21.00 mi13:05:022:38:287:339:03
9:03
#8997
35K
21.75 mi13:11:032:44:297:346:01
8:03
#9105
23M
23.00 mi13:21:322:54:587:3610:29
8:22
#9268
24M
24.00 mi13:29:303:02:567:377:58
7:58
#9313
40K
24.85 mi13:36:433:10:097:397:13
8:26
#9449
25.2M
25.20 mi13:39:553:13:217:403:12
9:17
#9502
Finish
26.22 mi13:49:103:22:367:449:15
9:05
#9917
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9948810081008826(Top 33%)7440(Top 49%)7440(Top 330%)
10K6.21 mi3.10 mi8847+11017489+6117489+6117913(Top 30%)6881(Top 45%)6881(Top 306%)
15K9.32 mi3.11 mi8817+307451+387451+388826(Top 33%)7440(Top 49%)7440(Top 330%)
20K12.43 mi3.11 mi8653+1647344+1077344+1078299(Top 31%)7077(Top 47%)7077(Top 314%)
Half13.11 mi0.68 mi8610+437324+207324+207915(Top 30%)6863(Top 45%)6863(Top 305%)
25K15.53 mi2.42 mi8513+977239+857239+858313(Top 31%)7015(Top 46%)7015(Top 312%)
30K18.64 mi3.11 mi8648-1357282-437282-439482(Top 36%)7549(Top 50%)7549(Top 335%)
20M20.00 mi1.36 mi8727-797316-347316-349873(Top 37%)7684(Top 51%)7684(Top 341%)
21M21.00 mi1.00 mi8997-2707455-1397455-13913655(Top 51%)9334(Top 62%)9334(Top 414%)
35K21.75 mi0.75 mi9105-1087505-507505-5012373(Top 46%)8707(Top 57%)8707(Top 387%)
23M23.00 mi1.25 mi9268-1637571-667571-6612360(Top 46%)8616(Top 57%)8616(Top 383%)
24M24.00 mi1.00 mi9313-457583-127583-1210979(Top 41%)7883(Top 52%)7883(Top 350%)
40K24.85 mi0.85 mi9449-1367627-447627-4412936(Top 49%)8742(Top 58%)8742(Top 388%)
25.2M25.20 mi0.35 mi9502-537651-247651-2413989(Top 53%)9207(Top 61%)9207(Top 409%)
Finish26.22 mi1.02 mi9917-4157848-1977848-19718329(Top 69%)11222(Top 74%)11222(Top 498%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8826

Males

7440

M45-49

7440

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

7913

Males

6881

M45-49

6881

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8826

Males

7440

M45-49

7440

15K→20K

9.3 - 12.4 mi

Top 31%
×5story building
+106ft-86ft

Overall

8299

Males

7077

M45-49

7077

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7915

Males

6863

M45-49

6863

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8313

Males

7015

M45-49

7015

25K→30K

15.5 - 18.6 mi

Top 36%
×9story building
+181ft-148ft

Overall

9482

Males

7549

M45-49

7549

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9873

Males

7684

M45-49

7684

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13655

Males

9334

M45-49

9334

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12373

Males

8707

M45-49

8707

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12360

Males

8616

M45-49

8616

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10979

Males

7883

M45-49

7883

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

12936

Males

8742

M45-49

8742

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

13989

Males

9207

M45-49

9207

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2story building
+22ft-21ft

Overall

18329

Males

11222

M45-49

11222

Passing Analysis

Category:
Athletes Passed
2061
Passed By
2030
Net Change
+31
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9948
5K → 10K113130+1101#9948#8847
10K → 15K151121+30#8847#8817
15K → 20K22056+164#8817#8653
20K → Half518+43#8653#8610
Half → 25K14447+97#8610#8513
25K → 30K125260-135#8513#8648
30K → 20M50129-79#8648#8727
20M → 21M27297-270#8727#8997
21M → 35K17125-108#8997#9105
35K → 23M40203-163#9105#9268
23M → 24M5196-45#9268#9313
24M → 40K33169-136#9313#9449
40K → 25.2M1366-53#9449#9502
25.2M → Finish8423-415#9502#9917
TOTALS20612030+31
📊

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