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BOSTON MARATHON 2023

Luis Fernando Paz Lozada

Bib: 8643•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 12%
Gender (Male)
#0 / 15176
Top 19%
Masters (Masters Men)
#0 / 9891
Top 8%
Division (M40-44)
#0 / 2241
Top 20%
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
6:31/mi
20:16
↑ 97↓ 3451.5%
10K· 6.21 mi
6:33/mi
40:37
↑ 79↓ 1380.4%
15K· 9.32 mi
6:33/mi
1:00:59
↑ 67↓ 78
20K· 12.43 mi
6:39/mi
1:21:39
↑ 106↓ 860.1%
Half· 13.11 mi
6:33/mi
1:26:07
↑ 19↓ 370.5%
25K· 15.53 mi
6:46/mi
1:42:32
↑ 66↓ 880.2%
30K· 18.64 mi
7:02/mi
2:04:23
↑ 181↓ 1480.2%
20M
6:47/mi
2:13:36
↑ 64↓ 500.2%
21M
7:19/mi
2:20:55
↑ 106↓ 241.6%
35K· 21.75 mi
6:37/mi
2:25:52
↑ 17↓ 861.7%
23M
6:55/mi
2:34:32
↑ 23↓ 630.6%
24M
6:42/mi
2:41:14
↓ 821.3%
40K· 24.85 mi
6:54/mi
2:47:08
↓ 200.3%
25.2M
7:15/mi
2:49:38
↑ 13↓ 160.2%
Finish· 26.22 mi
6:58/mi
2:56:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:07
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:30:37
Pace6:55 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:2120:166:3120:16
6:31
-
10K
6.21 mi11:05:4240:376:3220:21
6:33
+0:02
15K
9.32 mi11:26:041:00:596:3320:22
6:33
0:00
20K
12.43 mi11:46:441:21:396:3420:40
6:39
+0:06
Half
13.11 mi11:51:121:26:076:344:28
6:33
-0:06
25K
15.53 mi12:07:371:42:326:3616:25
6:46
+0:13
30K
18.64 mi12:29:282:04:236:4021:51
7:02
+0:16
20M
20.00 mi12:38:412:13:366:419:13
6:47
-0:15
21M
21.00 mi12:46:002:20:556:437:19
7:19
+0:32
35K
21.75 mi12:50:572:25:526:424:57
6:37
-0:42
23M
23.00 mi12:59:372:34:326:438:40
6:55
+0:18
24M
24.00 mi13:06:192:41:146:436:42
6:42
-0:13
40K
24.85 mi13:12:132:47:086:435:54
6:54
+0:12
25.2M
25.20 mi13:14:432:49:386:442:30
7:15
+0:21
Finish
26.22 mi13:21:492:56:446:457:06
6:58
-0:17

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

6:31 /mi

Average Pace

6:45 /mi

Slowest Pace

7:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:55

94% of race

Time at Steady Pace

9:49

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:44 /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 mi10:45:2120:166:3120:16
6:31
#2407
10K
6.21 mi11:05:4240:376:3220:21
6:33
#2711
15K
9.32 mi11:26:041:00:596:3320:22
6:33
#2785
20K
12.43 mi11:46:441:21:396:3420:40
6:39
#2871
Half
13.11 mi11:51:121:26:076:344:28
6:33
#2875
25K
15.53 mi12:07:371:42:326:3616:25
6:46
#3002
30K
18.64 mi12:29:282:04:236:4021:51
7:02
#3219
20M
20.00 mi12:38:412:13:366:419:13
6:47
#3149
21M
21.00 mi12:46:002:20:556:437:19
7:19
#3159
35K
21.75 mi12:50:572:25:526:424:57
6:37
#3137
23M
23.00 mi12:59:372:34:326:438:40
6:55
#3115
24M
24.00 mi13:06:192:41:146:436:42
6:42
#3090
40K
24.85 mi13:12:132:47:086:435:54
6:54
#3077
25.2M
25.20 mi13:14:432:49:386:442:30
7:15
#3057
Finish
26.22 mi13:21:492:56:446:457:06
6:58
#3125
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi2407229522952963(Top 11%)2829(Top 19%)2829(Top 126%)
10K6.21 mi3.10 mi2711-3042587-2922587-2923122(Top 12%)2978(Top 20%)2978(Top 133%)
15K9.32 mi3.11 mi2785-742660-732660-732963(Top 11%)2829(Top 19%)2829(Top 126%)
20K12.43 mi3.11 mi2871-862741-812741-813195(Top 12%)3036(Top 20%)3036(Top 135%)
Half13.11 mi0.68 mi2875-42745-42745-43082(Top 12%)2947(Top 19%)2947(Top 132%)
25K15.53 mi2.42 mi3002-1272868-1232868-1233879(Top 15%)3647(Top 24%)3647(Top 163%)
30K18.64 mi3.11 mi3219-2173063-1953063-1954544(Top 17%)4206(Top 28%)4206(Top 188%)
20M20.00 mi1.36 mi3149+702993+702993+702713(Top 10%)2567(Top 17%)2567(Top 115%)
21M21.00 mi1.00 mi3159-102996-32996-33666(Top 14%)3397(Top 22%)3397(Top 152%)
35K21.75 mi0.75 mi3137+222976+202976+203077(Top 12%)2879(Top 19%)2879(Top 128%)
23M23.00 mi1.25 mi3115+222955+212955+213352(Top 13%)3105(Top 20%)3105(Top 139%)
24M24.00 mi1.00 mi3090+252930+252930+253098(Top 12%)2873(Top 19%)2873(Top 128%)
40K24.85 mi0.85 mi3077+132915+152915+153311(Top 12%)3027(Top 20%)3027(Top 135%)
25.2M25.20 mi0.35 mi3057+202896+192896+192707(Top 10%)2493(Top 16%)2493(Top 111%)
Finish26.22 mi1.02 mi3125-682958-622958-624982(Top 19%)4253(Top 28%)4253(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2963

Males

2829

M40-44

2829

5K→10K

3.1 - 6.2 mi

Top 12%
×5story building
+79ft-138ft

Overall

3122

Males

2978

M40-44

2978

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2963

Males

2829

M40-44

2829

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3195

Males

3036

M40-44

3036

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3082

Males

2947

M40-44

2947

Half→25K

13.1 - 15.5 mi

Top 15%
×4story building
+66ft-88ft

Overall

3879

Males

3647

M40-44

3647

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4544

Males

4206

M40-44

4206

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2713

Males

2567

M40-44

2567

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3666

Males

3397

M40-44

3397

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3077

Males

2879

M40-44

2879

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3352

Males

3105

M40-44

3105

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3098

Males

2873

M40-44

2873

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3311

Males

3027

M40-44

3027

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2707

Males

2493

M40-44

2493

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2story building
+22ft-21ft

Overall

4982

Males

4253

M40-44

4253

Passing Analysis

Category:
Athletes Passed
619
Passed By
1337
Net Change
-718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2407
5K → 10K47351-304#2407#2711
10K → 15K54128-74#2711#2785
15K → 20K42128-86#2785#2871
20K → Half1014-4#2871#2875
Half → 25K30157-127#2875#3002
25K → 30K39256-217#3002#3219
30K → 20M8818+70#3219#3149
20M → 21M4151-10#3149#3159
21M → 35K3816+22#3159#3137
35K → 23M6442+22#3137#3115
23M → 24M5328+25#3115#3090
24M → 40K4936+13#3090#3077
40K → 25.2M299+20#3077#3057
25.2M → Finish35103-68#3057#3125
TOTALS6191337-718
📊

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