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BOSTON MARATHON 2023

Juan Llosa

Bib: 1304•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:18
Rank: #163
Start → 5K
17:18 | 5:34/mi
10K· 6.21 mi
35:08
Rank: #243 (-80)
5K → 10K
17:50 | 5:44/mi
15K· 9.32 mi
53:46
Rank: #356 (-113)
10K → 15K
18:38 | 6:00/mi
20K· 12.43 mi
1:13:30
Rank: #524 (-168)
15K → 20K
19:44 | 6:21/mi
Half· 13.11 mi
1:17:47
Rank: #553 (-29)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:33:37
Rank: #699 (-146)
Half → 25K
15:50 | 6:32/mi
30K· 18.64 mi
1:55:01
Rank: #941 (-242)
25K → 30K
21:24 | 6:53/mi
20M
2:04:42
Rank: #1078 (-137)
30K → 20M
9:41 | 7:08/mi
21M
2:11:48
Rank: #1111 (-33)
20M → 21M
7:06 | 7:06/mi
35K· 21.75 mi
2:16:43
Rank: #1140 (-29)
21M → 35K
4:55 | 6:34/mi
23M
2:25:10
Rank: #1184 (-44)
35K → 23M
8:27 | 6:45/mi
24M
2:31:25
Rank: #1170 (+14)
23M → 24M
6:15 | 6:15/mi
40K· 24.85 mi
2:36:48
Rank: #1149 (+21)
24M → 40K
5:23 | 6:18/mi
25.2M
2:39:05
Rank: #1136 (+13)
40K → 25.2M
2:17 | 6:37/mi
Finish· 26.22 mi
2:45:10
Rank: #1101 (+35)
25.2M → Finish
6:05 | 5:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:47
Pace5:56 /mi
2nd Half
Distance13.11 mi
Time1:27:23
Pace6:40 /mi
📊Positive Split: 12.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:2717:185:3417:18
5:34
-
10K
6.21 mi10:35:1735:085:3917:50
5:44
+0:10
15K
9.32 mi10:53:5553:465:4618:38
6:00
+0:16
20K
12.43 mi11:13:391:13:305:5519:44
6:21
+0:21
Half
13.11 mi11:17:561:17:475:564:17
6:17
-0:04
25K
15.53 mi11:33:461:33:376:0215:50
6:32
+0:15
30K
18.64 mi11:55:101:55:016:1021:24
6:53
+0:21
20M
20.00 mi12:04:512:04:426:149:41
7:08
+0:15
21M
21.00 mi12:11:572:11:486:177:06
7:06
-0:02
35K
21.75 mi12:16:522:16:436:174:55
6:34
-0:32
23M
23.00 mi12:25:192:25:106:198:27
6:45
+0:11
24M
24.00 mi12:31:342:31:256:196:15
6:15
-0:30
40K
24.85 mi12:36:572:36:486:195:23
6:18
+0:03
25.2M
25.20 mi12:39:142:39:056:192:17
6:37
+0:19
Finish
26.22 mi12:45:192:45:106:186:05
5:58
-0:39

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

5:34 /mi

Average Pace

6:18 /mi

Slowest Pace

7:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:51

36% of race

Time at Steady Pace

56:24

34% of race

Time at Slower Pace

48:55

30% of race

Average Pace: 6:18 /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 mi10:17:2717:185:3417:18
5:34
#163
10K
6.21 mi10:35:1735:085:3917:50
5:44
#243
15K
9.32 mi10:53:5553:465:4618:38
6:00
#356
20K
12.43 mi11:13:391:13:305:5519:44
6:21
#524
Half
13.11 mi11:17:561:17:475:564:17
6:17
#553
25K
15.53 mi11:33:461:33:376:0215:50
6:32
#699
30K
18.64 mi11:55:101:55:016:1021:24
6:53
#941
20M
20.00 mi12:04:512:04:426:149:41
7:08
#1078
21M
21.00 mi12:11:572:11:486:177:06
7:06
#1111
35K
21.75 mi12:16:522:16:436:174:55
6:34
#1140
23M
23.00 mi12:25:192:25:106:198:27
6:45
#1184
24M
24.00 mi12:31:342:31:256:196:15
6:15
#1170
40K
24.85 mi12:36:572:36:486:195:23
6:18
#1149
25.2M
25.20 mi12:39:142:39:056:192:17
6:37
#1136
Finish
26.22 mi12:45:192:45:106:186:05
5:58
#1101
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi163163163710(Top 3%)667(Top 4%)667(Top 13%)
10K6.21 mi3.10 mi243-80216-53216-53364(Top 1%)329(Top 2%)329(Top 6%)
15K9.32 mi3.11 mi356-113323-107323-107710(Top 3%)667(Top 4%)667(Top 13%)
20K12.43 mi3.11 mi524-168483-160483-1601595(Top 6%)1525(Top 10%)1525(Top 29%)
Half13.11 mi0.68 mi553-29512-29512-291655(Top 6%)1585(Top 10%)1585(Top 30%)
25K15.53 mi2.42 mi699-146657-145657-1452310(Top 9%)2212(Top 15%)2212(Top 42%)
30K18.64 mi3.11 mi941-242893-236893-2363554(Top 13%)3336(Top 22%)3336(Top 63%)
20M20.00 mi1.36 mi1078-1371027-1341027-1344714(Top 18%)4304(Top 28%)4304(Top 81%)
21M21.00 mi1.00 mi1111-331058-311058-312593(Top 10%)2439(Top 16%)2439(Top 46%)
35K21.75 mi0.75 mi1140-291087-291087-292773(Top 10%)2600(Top 17%)2600(Top 49%)
23M23.00 mi1.25 mi1184-441131-441131-442357(Top 9%)2214(Top 15%)2214(Top 42%)
24M24.00 mi1.00 mi1170+141116+151116+151184(Top 4%)1121(Top 7%)1121(Top 21%)
40K24.85 mi0.85 mi1149+211095+211095+21883(Top 3%)836(Top 6%)836(Top 16%)
25.2M25.20 mi0.35 mi1136+131082+131082+13710(Top 3%)675(Top 4%)675(Top 13%)
Finish26.22 mi1.02 mi1101+351048+341048+34659(Top 2%)628(Top 4%)628(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

710

Males

667

M18-39

667

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

364

Males

329

M18-39

329

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

710

Males

667

M18-39

667

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1595

Males

1525

M18-39

1525

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1655

Males

1585

M18-39

1585

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2310

Males

2212

M18-39

2212

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3554

Males

3336

M18-39

3336

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4714

Males

4304

M18-39

4304

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2593

Males

2439

M18-39

2439

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2773

Males

2600

M18-39

2600

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2357

Males

2214

M18-39

2214

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1184

Males

1121

M18-39

1121

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

883

Males

836

M18-39

836

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

710

Males

675

M18-39

675

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

659

Males

628

M18-39

628

Passing Analysis

Category:
Athletes Passed
139
Passed By
1077
Net Change
-938
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#163
5K → 10K181-80#163#243
10K → 15K0113-113#243#356
15K → 20K1169-168#356#524
20K → Half029-29#524#553
Half → 25K4150-146#553#699
25K → 30K1243-242#699#941
30K → 20M2139-137#941#1078
20M → 21M1346-33#1078#1111
21M → 35K534-29#1111#1140
35K → 23M1458-44#1140#1184
23M → 24M239+14#1184#1170
24M → 40K254+21#1170#1149
40K → 25.2M130+13#1149#1136
25.2M → Finish372+35#1136#1101
TOTALS1391077-938
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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