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BOSTON MARATHON 2023

Juan Roldan

Bib: 32007•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K· 3.11 mi
32:12
Rank: #24393
Start → 5K
32:12 | 10:22/mi
10K· 6.21 mi
1:02:43
Rank: #23828 (+565)
5K → 10K
30:31 | 9:49/mi
15K· 9.32 mi
1:33:09
Rank: #23585 (+243)
10K → 15K
30:26 | 9:48/mi
20K· 12.43 mi
2:03:50
Rank: #23348 (+237)
15K → 20K
30:41 | 9:53/mi
Half· 13.11 mi
2:10:28
Rank: #23313 (+35)
20K → Half
6:38 | 9:43/mi
25K· 15.53 mi
2:35:39
Rank: #23245 (+68)
Half → 25K
25:11 | 10:23/mi
30K· 18.64 mi
3:09:30
Rank: #23180 (+65)
25K → 30K
33:51 | 10:54/mi
20M
3:24:54
Rank: #23175 (+5)
30K → 20M
15:24 | 11:20/mi
21M
3:36:03
Rank: #23066 (+109)
20M → 21M
11:09 | 11:09/mi
35K· 21.75 mi
3:44:14
Rank: #23075 (-9)
21M → 35K
8:11 | 10:56/mi
23M
3:57:52
Rank: #23006 (+69)
35K → 23M
13:38 | 10:53/mi
24M
4:08:23
Rank: #22961 (+45)
23M → 24M
10:31 | 10:31/mi
40K· 24.85 mi
4:17:26
Rank: #22905 (+56)
24M → 40K
9:03 | 10:35/mi
25.2M
4:21:39
Rank: #22906 (-1)
40K → 25.2M
4:13 | 12:14/mi
Finish· 26.22 mi
4:32:17
Rank: #22900 (+6)
25.2M → Finish
10:38 | 10:26/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:28
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:21:49
Pace10:49 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:3832:1210:2232:12
10:22
-
10K
6.21 mi12:21:091:02:4310:0630:31
9:49
-0:33
15K
9.32 mi12:51:351:33:0910:0030:26
9:48
-0:01
20K
12.43 mi13:22:162:03:509:5830:41
9:53
+0:05
Half
13.11 mi13:28:542:10:289:576:38
9:43
-0:10
25K
15.53 mi13:54:052:35:3910:0125:11
10:23
+0:40
30K
18.64 mi14:27:563:09:3010:1033:51
10:54
+0:31
20M
20.00 mi14:43:203:24:5410:1515:24
11:20
+0:26
21M
21.00 mi14:54:293:36:0310:1711:09
11:09
-0:11
35K
21.75 mi15:02:403:44:1410:198:11
10:56
-0:13
23M
23.00 mi15:16:183:57:5210:2113:38
10:53
-0:03
24M
24.00 mi15:26:494:08:2310:2110:31
10:31
-0:22
40K
24.85 mi15:35:524:17:2610:219:03
10:35
+0:04
25.2M
25.20 mi15:40:054:21:3910:234:13
12:14
+1:39
Finish
26.22 mi15:50:434:32:1710:2410:38
10:26
-1:48

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

9:43 /mi

Average Pace

10:24 /mi

Slowest Pace

12:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:38:16

36% of race

Time at Steady Pace

1:27:35

32% of race

Time at Slower Pace

1:26:26

32% of race

Average Pace: 10:23 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:50:3832:1210:2232:12
10:22
#24393
10K
6.21 mi12:21:091:02:4310:0630:31
9:49
#23828
15K
9.32 mi12:51:351:33:0910:0030:26
9:48
#23585
20K
12.43 mi13:22:162:03:509:5830:41
9:53
#23348
Half
13.11 mi13:28:542:10:289:576:38
9:43
#23313
25K
15.53 mi13:54:052:35:3910:0125:11
10:23
#23245
30K
18.64 mi14:27:563:09:3010:1033:51
10:54
#23180
20M
20.00 mi14:43:203:24:5410:1515:24
11:20
#23175
21M
21.00 mi14:54:293:36:0310:1711:09
11:09
#23066
35K
21.75 mi15:02:403:44:1410:198:11
10:56
#23075
23M
23.00 mi15:16:183:57:5210:2113:38
10:53
#23006
24M
24.00 mi15:26:494:08:2310:2110:31
10:31
#22961
40K
24.85 mi15:35:524:17:2610:219:03
10:35
#22905
25.2M
25.20 mi15:40:054:21:3910:234:13
12:14
#22906
Finish
26.22 mi15:50:434:32:1710:2410:38
10:26
#22900
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi24393142761427623031(Top 87%)13648(Top 90%)13648(Top 665%)
10K6.21 mi3.10 mi23828+56514007+26914007+26923320(Top 88%)13774(Top 91%)13774(Top 671%)
15K9.32 mi3.11 mi23585+24313904+10313904+10323031(Top 87%)13648(Top 90%)13648(Top 665%)
20K12.43 mi3.11 mi23348+23713794+11013794+11022584(Top 85%)13434(Top 89%)13434(Top 655%)
Half13.11 mi0.68 mi23313+3513778+1613778+1622689(Top 85%)13489(Top 89%)13489(Top 657%)
25K15.53 mi2.42 mi23245+6813744+3413744+3422987(Top 86%)13583(Top 90%)13583(Top 662%)
30K18.64 mi3.11 mi23180+6513682+6213682+6222931(Top 86%)13481(Top 89%)13481(Top 657%)
20M20.00 mi1.36 mi23175+513669+1313669+1323234(Top 87%)13567(Top 89%)13567(Top 661%)
21M21.00 mi1.00 mi23066+10913607+6213607+6221144(Top 79%)12591(Top 83%)12591(Top 614%)
35K21.75 mi0.75 mi23075-913597+1013597+1023187(Top 87%)13474(Top 89%)13474(Top 657%)
23M23.00 mi1.25 mi23006+6913557+4013557+4022131(Top 83%)12975(Top 85%)12975(Top 632%)
24M24.00 mi1.00 mi22961+4513520+3713520+3722069(Top 83%)12913(Top 85%)12913(Top 629%)
40K24.85 mi0.85 mi22905+5613489+3113489+3121415(Top 80%)12547(Top 83%)12547(Top 611%)
25.2M25.20 mi0.35 mi22906-1134891348922859(Top 86%)13257(Top 87%)13257(Top 646%)
Finish26.22 mi1.02 mi22900+613480+913480+922869(Top 86%)13263(Top 87%)13263(Top 646%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21stories
+97ft-345ft

Overall

23031

Males

13648

M50-54

13648

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23320

Males

13774

M50-54

13774

10K→15K

6.2 - 9.3 mi

Top 87%
×3stories
+67ft-78ft

Overall

23031

Males

13648

M50-54

13648

15K→20K

9.3 - 12.4 mi

Top 85%
×5stories
+106ft-86ft

Overall

22584

Males

13434

M50-54

13434

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22689

Males

13489

M50-54

13489

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22987

Males

13583

M50-54

13583

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

22931

Males

13481

M50-54

13481

30K→20M

18.6 - 20.0 mi

Top 87%
×5stories
+64ft-50ft

Overall

23234

Males

13567

M50-54

13567

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

21144

Males

12591

M50-54

12591

21M→35K

21.0 - 21.8 mi

Top 87%
×7stories
+17ft-86ft

Overall

23187

Males

13474

M50-54

13474

35K→23M

21.8 - 23.0 mi

Top 83%
×5stories
+23ft-63ft

Overall

22131

Males

12975

M50-54

12975

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

22069

Males

12913

M50-54

12913

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21415

Males

12547

M50-54

12547

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22859

Males

13257

M50-54

13257

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

22869

Males

13263

M50-54

13263

Passing Analysis

Category:
Athletes Passed
1925
Passed By
432
Net Change
+1493
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24393
5K → 10K60136+565#24393#23828
10K → 15K27431+243#23828#23585
15K → 20K26629+237#23585#23348
20K → Half372+35#23348#23313
Half → 25K13264+68#23313#23245
25K → 30K15590+65#23245#23180
30K → 20M5348+5#23180#23175
20M → 21M1189+109#23175#23066
21M → 35K2433-9#23066#23075
35K → 23M8819+69#23075#23006
23M → 24M6621+45#23006#22961
24M → 40K6711+56#22961#22905
40K → 25.2M1516-1#22905#22906
25.2M → Finish2923+6#22906#22900
TOTALS1925432+1493
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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