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BOSTON MARATHON 2023

Erasto Martinez Rojas

Bib: 30554•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:11
Rank: #20742
Start → 5K
28:11 | 9:04/mi
10K· 6.21 mi
52:54
Rank: #17976 (+2766)
5K → 10K
24:43 | 7:57/mi
15K· 9.32 mi
1:16:34
Rank: #15934 (+2042)
10K → 15K
23:40 | 7:37/mi
20K· 12.43 mi
1:41:14
Rank: #15219 (+715)
15K → 20K
24:40 | 7:56/mi
Half· 13.11 mi
1:46:24
Rank: #14987 (+232)
20K → Half
5:10 | 7:34/mi
25K· 15.53 mi
2:06:08
Rank: #14777 (+210)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:32:42
Rank: #14741 (+36)
25K → 30K
26:34 | 8:33/mi
20M
2:44:32
Rank: #14744 (-3)
30K → 20M
11:50 | 8:42/mi
21M
2:53:20
Rank: #14576 (+168)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:59:32
Rank: #14550 (+26)
21M → 35K
6:12 | 8:17/mi
23M
3:10:27
Rank: #14531 (+19)
35K → 23M
10:55 | 8:43/mi
24M
3:18:55
Rank: #14496 (+35)
23M → 24M
8:28 | 8:28/mi
40K· 24.85 mi
3:26:24
Rank: #14498 (-2)
24M → 40K
7:29 | 8:45/mi
25.2M
3:29:30
Rank: #14464 (+34)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:37:21
Rank: #14281 (+183)
25.2M → Finish
7:51 | 7:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:24
Pace8:07 /mi
2nd Half
Distance13.11 mi
Time1:50:57
Pace8:28 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:1628:119:0428:11
9:04
-
10K
6.21 mi12:10:5952:548:3124:43
7:57
-1:07
15K
9.32 mi12:34:391:16:348:1323:40
7:37
-0:20
20K
12.43 mi12:59:191:41:148:0924:40
7:56
+0:19
Half
13.11 mi13:04:291:46:248:075:10
7:34
-0:22
25K
15.53 mi13:24:132:06:088:0719:44
8:08
+0:34
30K
18.64 mi13:50:472:32:428:1126:34
8:33
+0:25
20M
20.00 mi14:02:372:44:328:1411:50
8:42
+0:09
21M
21.00 mi14:11:252:53:208:158:48
8:48
+0:06
35K
21.75 mi14:17:372:59:328:156:12
8:17
-0:31
23M
23.00 mi14:28:323:10:278:1710:55
8:43
+0:26
24M
24.00 mi14:37:003:18:558:178:28
8:28
-0:15
40K
24.85 mi14:44:293:26:248:187:29
8:45
+0:17
25.2M
25.20 mi14:47:353:29:308:193:06
8:59
+0:14
Finish
26.22 mi14:55:263:37:218:187:51
7:42
-1:17

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

7:34 /mi

Average Pace

8:18 /mi

Slowest Pace

9:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:00

52% of race

Time at Steady Pace

1:14:04

34% of race

Time at Slower Pace

31:17

14% of race

Average Pace: 8:17 /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 mi11:46:1628:119:0428:11
9:04
#20742
10K
6.21 mi12:10:5952:548:3124:43
7:57
#17976
15K
9.32 mi12:34:391:16:348:1323:40
7:37
#15934
20K
12.43 mi12:59:191:41:148:0924:40
7:56
#15219
Half
13.11 mi13:04:291:46:248:075:10
7:34
#14987
25K
15.53 mi13:24:132:06:088:0719:44
8:08
#14777
30K
18.64 mi13:50:472:32:428:1126:34
8:33
#14741
20M
20.00 mi14:02:372:44:328:1411:50
8:42
#14744
21M
21.00 mi14:11:252:53:208:158:48
8:48
#14576
35K
21.75 mi14:17:372:59:328:156:12
8:17
#14550
23M
23.00 mi14:28:323:10:278:1710:55
8:43
#14531
24M
24.00 mi14:37:003:18:558:178:28
8:28
#14496
40K
24.85 mi14:44:293:26:248:187:29
8:45
#14498
25.2M
25.20 mi14:47:353:29:308:193:06
8:59
#14464
Finish
26.22 mi14:55:263:37:218:187:51
7:42
#14281
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi20742124771247711159(Top 42%)8712(Top 57%)8712(Top 387%)
10K6.21 mi3.10 mi17976+276611432+104511432+104514435(Top 54%)10093(Top 67%)10093(Top 448%)
15K9.32 mi3.11 mi15934+204210674+75810674+75811159(Top 42%)8712(Top 57%)8712(Top 387%)
20K12.43 mi3.11 mi15219+71510378+29610378+29612936(Top 49%)9413(Top 62%)9413(Top 418%)
Half13.11 mi0.68 mi14987+23210291+8710291+8710818(Top 41%)8544(Top 56%)8544(Top 379%)
25K15.53 mi2.42 mi14777+21010187+10410187+10413777(Top 52%)9676(Top 64%)9676(Top 430%)
30K18.64 mi3.11 mi14741+3610143+4410143+4414596(Top 55%)9889(Top 65%)9889(Top 439%)
20M20.00 mi1.36 mi14744-310120+2310120+2314879(Top 56%)9936(Top 65%)9936(Top 441%)
21M21.00 mi1.00 mi14576+16810022+9810022+9812245(Top 46%)8699(Top 57%)8699(Top 386%)
35K21.75 mi0.75 mi14550+269999+239999+2314007(Top 53%)9426(Top 62%)9426(Top 419%)
23M23.00 mi1.25 mi14531+199970+299970+2914475(Top 54%)9563(Top 63%)9563(Top 425%)
24M24.00 mi1.00 mi14496+359926+449926+4414251(Top 54%)9417(Top 62%)9417(Top 418%)
40K24.85 mi0.85 mi14498-29906+209906+2014794(Top 56%)9593(Top 63%)9593(Top 426%)
25.2M25.20 mi0.35 mi14464+349883+239883+2312427(Top 47%)8490(Top 56%)8490(Top 377%)
Finish26.22 mi1.02 mi14281+1839793+909793+9010003(Top 38%)7297(Top 48%)7297(Top 324%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11159

Males

8712

M45-49

8712

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

14435

Males

10093

M45-49

10093

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11159

Males

8712

M45-49

8712

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12936

Males

9413

M45-49

9413

20K→Half

12.4 - 13.1 mi

Top 41%
×2stories
+19ft-37ft

Overall

10818

Males

8544

M45-49

8544

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13777

Males

9676

M45-49

9676

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14596

Males

9889

M45-49

9889

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14879

Males

9936

M45-49

9936

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12245

Males

8699

M45-49

8699

21M→35K

21.0 - 21.8 mi

Top 53%
×7stories
+17ft-86ft

Overall

14007

Males

9426

M45-49

9426

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14475

Males

9563

M45-49

9563

23M→24M

23.0 - 24.0 mi

Top 54%
×6stories
+12ft-82ft

Overall

14251

Males

9417

M45-49

9417

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14794

Males

9593

M45-49

9593

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12427

Males

8490

M45-49

8490

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10003

Males

7297

M45-49

7297

Passing Analysis

Category:
Athletes Passed
6983
Passed By
522
Net Change
+6461
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20742
5K → 10K27726+2766#20742#17976
10K → 15K20442+2042#17976#15934
15K → 20K7216+715#15934#15219
20K → Half2320+232#15219#14987
Half → 25K24333+210#14987#14777
25K → 30K185149+36#14777#14741
30K → 20M8487-3#14741#14744
20M → 21M18416+168#14744#14576
21M → 35K5428+26#14576#14550
35K → 23M8667+19#14550#14531
23M → 24M9358+35#14531#14496
24M → 40K5759-2#14496#14498
40K → 25.2M395+34#14498#14464
25.2M → Finish1896+183#14464#14281
TOTALS6983522+6461
📊

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