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BOSTON MARATHON 2023

Fermin Rojas

Bib: 4390•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 27%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:12
Rank: #4891
Start → 5K
6:49/mi
21:12 split
10K· 6.21 mi
41:39
Rank: #4011 (+880)
5K → 10K
6:35/mi
20:27 split
15K· 9.32 mi
1:02:28
Rank: #4039 (-28)
10K → 15K
6:42/mi
20:49 split
20K· 12.43 mi
1:23:36
Rank: #4140 (-101)
15K → 20K
6:48/mi
21:08 split
Half· 13.11 mi
1:28:12
Rank: #4162 (-22)
20K → Half
6:45/mi
4:36 split
25K· 15.53 mi
1:44:50
Rank: #4197 (-35)
Half → 25K
6:52/mi
16:38 split
30K· 18.64 mi
2:06:48
Rank: #4329 (-132)
25K → 30K
7:04/mi
21:58 split
20M
2:16:30
Rank: #4370 (-41)
30K → 20M
7:08/mi
9:42 split
21M
2:23:52
Rank: #4322 (+48)
20M → 21M
7:22/mi
7:22 split
35K· 21.75 mi
2:28:58
Rank: #4308 (+14)
21M → 35K
6:49/mi
5:06 split
23M
2:38:10
Rank: #4418 (-110)
35K → 23M
7:21/mi
9:12 split
24M
2:45:02
Rank: #4386 (+32)
23M → 24M
6:52/mi
6:52 split
40K· 24.85 mi
2:51:10
Rank: #4398 (-12)
24M → 40K
7:10/mi
6:08 split
25.2M
2:53:52
Rank: #4408 (-10)
40K → 25.2M
7:50/mi
2:42 split
Finish· 26.22 mi
3:00:43
Rank: #4359 (+49)
25.2M → Finish
6:43/mi
6:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:12
Pace6:44 /mi
2nd Half
Distance13.11 mi
Time1:32:31
Pace7:03 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2621:126:4921:12
6:49
-
10K
6.21 mi10:43:5341:396:4220:27
6:35
-0:14
15K
9.32 mi11:04:421:02:286:4220:49
6:42
+0:07
20K
12.43 mi11:25:501:23:366:4421:08
6:48
+0:06
Half
13.11 mi11:30:261:28:126:444:36
6:45
-0:03
25K
15.53 mi11:47:041:44:506:4516:38
6:52
+0:07
30K
18.64 mi12:09:022:06:486:4821:58
7:04
+0:12
20M
20.00 mi12:18:442:16:306:499:42
7:08
+0:04
21M
21.00 mi12:26:062:23:526:517:22
7:22
+0:14
35K
21.75 mi12:31:122:28:586:515:06
6:49
-0:33
23M
23.00 mi12:40:242:38:106:539:12
7:21
+0:32
24M
24.00 mi12:47:162:45:026:536:52
6:52
-0:29
40K
24.85 mi12:53:242:51:106:536:08
7:10
+0:18
25.2M
25.20 mi12:56:062:53:526:542:42
7:50
+0:40
Finish
26.22 mi13:02:573:00:436:546:51
6:43
-1:07

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

6:35 /mi

Average Pace

6:54 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:27

89% of race

Time at Steady Pace

16:34

9% of race

Time at Slower Pace

2:42

1% of race

Average Pace: 6:54 /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 mi10:23:2621:126:4921:12
6:49
#4891
10K
6.21 mi10:43:5341:396:4220:27
6:35
#4011
15K
9.32 mi11:04:421:02:286:4220:49
6:42
#4039
20K
12.43 mi11:25:501:23:366:4421:08
6:48
#4140
Half
13.11 mi11:30:261:28:126:444:36
6:45
#4162
25K
15.53 mi11:47:041:44:506:4516:38
6:52
#4197
30K
18.64 mi12:09:022:06:486:4821:58
7:04
#4329
20M
20.00 mi12:18:442:16:306:499:42
7:08
#4370
21M
21.00 mi12:26:062:23:526:517:22
7:22
#4322
35K
21.75 mi12:31:122:28:586:515:06
6:49
#4308
23M
23.00 mi12:40:242:38:106:539:12
7:21
#4418
24M
24.00 mi12:47:162:45:026:536:52
6:52
#4386
40K
24.85 mi12:53:242:51:106:536:08
7:10
#4398
25.2M
25.20 mi12:56:062:53:526:542:42
7:50
#4408
Finish
26.22 mi13:02:573:00:436:546:51
6:43
#4359
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4891454645464135(Top 16%)3881(Top 26%)3881(Top 73%)
10K6.21 mi3.10 mi4011+8803772+7743772+7743367(Top 13%)3204(Top 21%)3204(Top 61%)
15K9.32 mi3.11 mi4039-283799-273799-274135(Top 16%)3881(Top 26%)3881(Top 73%)
20K12.43 mi3.11 mi4140-1013885-863885-864453(Top 17%)4154(Top 27%)4154(Top 79%)
Half13.11 mi0.68 mi4162-223906-213906-214729(Top 18%)4391(Top 29%)4391(Top 83%)
25K15.53 mi2.42 mi4197-353935-293935-294649(Top 17%)4324(Top 28%)4324(Top 82%)
30K18.64 mi3.11 mi4329-1324056-1214056-1214776(Top 18%)4405(Top 29%)4405(Top 83%)
20M20.00 mi1.36 mi4370-414080-244080-244785(Top 18%)4365(Top 29%)4365(Top 83%)
21M21.00 mi1.00 mi4322+484041+394041+393978(Top 15%)3670(Top 24%)3670(Top 69%)
35K21.75 mi0.75 mi4308+144027+144027+144293(Top 16%)3928(Top 26%)3928(Top 74%)
23M23.00 mi1.25 mi4418-1104125-984125-985534(Top 21%)4857(Top 32%)4857(Top 92%)
24M24.00 mi1.00 mi4386+324099+264099+264017(Top 15%)3665(Top 24%)3665(Top 69%)
40K24.85 mi0.85 mi4398-124105-64105-64725(Top 18%)4152(Top 27%)4152(Top 79%)
25.2M25.20 mi0.35 mi4408-104112-74112-75467(Top 21%)4566(Top 30%)4566(Top 86%)
Finish26.22 mi1.02 mi4359+494066+464066+463634(Top 14%)3248(Top 21%)3248(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4135

Males

3881

M18-39

3881

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3367

Males

3204

M18-39

3204

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4135

Males

3881

M18-39

3881

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4453

Males

4154

M18-39

4154

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

4729

Males

4391

M18-39

4391

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4649

Males

4324

M18-39

4324

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

4776

Males

4405

M18-39

4405

30K→20M

18.6 - 20.0 mi

Top 18%
×5stories
+64ft-50ft

Overall

4785

Males

4365

M18-39

4365

20M→21M

20.0 - 21.0 mi

Top 15%
×8stories
+106ft-24ft

Overall

3978

Males

3670

M18-39

3670

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4293

Males

3928

M18-39

3928

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5534

Males

4857

M18-39

4857

23M→24M

23.0 - 24.0 mi

Top 15%
×6stories
+12ft-82ft

Overall

4017

Males

3665

M18-39

3665

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

4725

Males

4152

M18-39

4152

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5467

Males

4566

M18-39

4566

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3634

Males

3248

M18-39

3248

Passing Analysis

Category:
Athletes Passed
1639
Passed By
1107
Net Change
+532
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4891
5K → 10K89717+880#4891#4011
10K → 15K104132-28#4011#4039
15K → 20K69170-101#4039#4140
20K → Half1032-22#4140#4162
Half → 25K68103-35#4162#4197
25K → 30K80212-132#4197#4329
30K → 20M4990-41#4329#4370
20M → 21M8537+48#4370#4322
21M → 35K4632+14#4322#4308
35K → 23M48158-110#4308#4418
23M → 24M6129+32#4418#4386
24M → 40K3547-12#4386#4398
40K → 25.2M2030-10#4398#4408
25.2M → Finish6718+49#4408#4359
TOTALS16391107+532
📊

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