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BOSTON MARATHON 2023

Sebastian Ferreyros

Bib: 2162•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 5%
Gender (Male)
#0 / 15176
Top 8%
Division (M18-39)
#0 / 5285
Top 19%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:03
Rank: #2028
Start → 5K
20:03 | 6:27/mi
10K· 6.21 mi
39:57
Rank: #2124 (-96)
5K → 10K
19:54 | 6:24/mi
15K· 9.32 mi
59:57
Rank: #2159 (-35)
10K → 15K
20:00 | 6:26/mi
20K· 12.43 mi
1:19:53
Rank: #2063 (+96)
15K → 20K
19:56 | 6:25/mi
Half· 13.11 mi
1:24:10
Rank: #2041 (+22)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:39:43
Rank: #1977 (+64)
Half → 25K
15:33 | 6:25/mi
30K· 18.64 mi
1:59:47
Rank: #1851 (+126)
25K → 30K
20:04 | 6:28/mi
20M
2:08:28
Rank: #1756 (+95)
30K → 20M
8:41 | 6:23/mi
21M
2:15:03
Rank: #1688 (+68)
20M → 21M
6:35 | 6:35/mi
35K· 21.75 mi
2:19:31
Rank: #1623 (+65)
21M → 35K
4:28 | 5:58/mi
23M
2:27:13
Rank: #1520 (+103)
35K → 23M
7:42 | 6:09/mi
24M
2:33:13
Rank: #1442 (+78)
23M → 24M
6:00 | 6:00/mi
40K· 24.85 mi
2:38:24
Rank: #1373 (+69)
24M → 40K
5:11 | 6:04/mi
25.2M
2:40:38
Rank: #1348 (+25)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
2:46:19
Rank: #1245 (+103)
25.2M → Finish
5:41 | 5:35/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:24:10
Pace6:25 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:09
Pace6:16 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0020:036:2720:03
6:27
-
10K
6.21 mi10:40:5439:576:2619:54
6:24
-0:03
15K
9.32 mi11:00:5459:576:2620:00
6:26
+0:02
20K
12.43 mi11:20:501:19:536:2619:56
6:25
-0:01
Half
13.11 mi11:25:071:24:106:254:17
6:17
-0:08
25K
15.53 mi11:40:401:39:436:2515:33
6:25
+0:08
30K
18.64 mi12:00:441:59:476:2620:04
6:28
+0:03
20M
20.00 mi12:09:252:08:286:258:41
6:23
-0:05
21M
21.00 mi12:16:002:15:036:266:35
6:35
+0:12
35K
21.75 mi12:20:282:19:316:254:28
5:58
-0:37
23M
23.00 mi12:28:102:27:136:247:42
6:09
+0:11
24M
24.00 mi12:34:102:33:136:236:00
6:00
-0:09
40K
24.85 mi12:39:212:38:246:225:11
6:04
+0:04
25.2M
25.20 mi12:41:352:40:386:222:14
6:29
+0:25
Finish
26.22 mi12:47:162:46:196:215:41
5:35
-0:54

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

5:35 /mi

Average Pace

6:21 /mi

Slowest Pace

6:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:20

13% of race

Time at Steady Pace

2:24:59

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:21 /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 mi10:21:0020:036:2720:03
6:27
#2028
10K
6.21 mi10:40:5439:576:2619:54
6:24
#2124
15K
9.32 mi11:00:5459:576:2620:00
6:26
#2159
20K
12.43 mi11:20:501:19:536:2619:56
6:25
#2063
Half
13.11 mi11:25:071:24:106:254:17
6:17
#2041
25K
15.53 mi11:40:401:39:436:2515:33
6:25
#1977
30K
18.64 mi12:00:441:59:476:2620:04
6:28
#1851
20M
20.00 mi12:09:252:08:286:258:41
6:23
#1756
21M
21.00 mi12:16:002:15:036:266:35
6:35
#1688
35K
21.75 mi12:20:282:19:316:254:28
5:58
#1623
23M
23.00 mi12:28:102:27:136:247:42
6:09
#1520
24M
24.00 mi12:34:102:33:136:236:00
6:00
#1442
40K
24.85 mi12:39:212:38:246:225:11
6:04
#1373
25.2M
25.20 mi12:41:352:40:386:222:14
6:29
#1348
Finish
26.22 mi12:47:162:46:196:215:41
5:35
#1245
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2028193419342284(Top 9%)2192(Top 14%)2192(Top 41%)
10K6.21 mi3.10 mi2124-962033-992033-992251(Top 8%)2154(Top 14%)2154(Top 41%)
15K9.32 mi3.11 mi2159-352070-372070-372284(Top 9%)2192(Top 14%)2192(Top 41%)
20K12.43 mi3.11 mi2063+961975+951975+951853(Top 7%)1776(Top 12%)1776(Top 34%)
Half13.11 mi0.68 mi2041+221954+211954+211665(Top 6%)1595(Top 11%)1595(Top 30%)
25K15.53 mi2.42 mi1977+641894+601894+601759(Top 7%)1683(Top 11%)1683(Top 32%)
30K18.64 mi3.11 mi1851+1261772+1221772+1221396(Top 5%)1336(Top 9%)1336(Top 25%)
20M20.00 mi1.36 mi1756+951679+931679+931110(Top 4%)1064(Top 7%)1064(Top 20%)
21M21.00 mi1.00 mi1688+681614+651614+65837(Top 3%)793(Top 5%)793(Top 15%)
35K21.75 mi0.75 mi1623+651552+621552+62634(Top 2%)596(Top 4%)596(Top 11%)
23M23.00 mi1.25 mi1520+1031451+1011451+101548(Top 2%)517(Top 3%)517(Top 10%)
24M24.00 mi1.00 mi1442+781376+751376+75559(Top 2%)529(Top 3%)529(Top 10%)
40K24.85 mi0.85 mi1373+691309+671309+67434(Top 2%)407(Top 3%)407(Top 8%)
25.2M25.20 mi0.35 mi1348+251284+251284+25480(Top 2%)454(Top 3%)454(Top 9%)
Finish26.22 mi1.02 mi1245+1031187+971187+97138(Top 0.5%)124(Top 0.8%)124(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2284

Males

2192

M18-39

2192

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2251

Males

2154

M18-39

2154

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2284

Males

2192

M18-39

2192

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1853

Males

1776

M18-39

1776

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1665

Males

1595

M18-39

1595

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1759

Males

1683

M18-39

1683

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1396

Males

1336

M18-39

1336

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1110

Males

1064

M18-39

1064

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

837

Males

793

M18-39

793

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

634

Males

596

M18-39

596

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

548

Males

517

M18-39

517

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

559

Males

529

M18-39

529

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

434

Males

407

M18-39

407

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

480

Males

454

M18-39

454

25.2M→Finish

25.2 - 26.2 mi

Top 0.5%
×2stories
+22ft-21ft

Overall

138

Males

124

M18-39

124

Passing Analysis

Category:
Athletes Passed
1094
Passed By
311
Net Change
+783
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2028
5K → 10K74170-96#2028#2124
10K → 15K5287-35#2124#2159
15K → 20K11115+96#2159#2063
20K → Half253+22#2063#2041
Half → 25K8319+64#2041#1977
25K → 30K13610+126#1977#1851
30K → 20M983+95#1851#1756
20M → 21M680+68#1756#1688
21M → 35K650+65#1688#1623
35K → 23M1041+103#1623#1520
23M → 24M791+78#1520#1442
24M → 40K701+69#1442#1373
40K → 25.2M261+25#1373#1348
25.2M → Finish1030+103#1348#1245
TOTALS1094311+783
📊

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