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BOSTON MARATHON 2023

Alejandro Serruto

Bib: 4615•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 8%
Gender (Male)
#0 / 15176
Top 14%
Division (M18-39)
#0 / 5285
Top 31%
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
20:10
Rank: #2227
Start → 5K
20:10 | 6:29/mi
10K· 6.21 mi
39:55
Rank: #2105 (+122)
5K → 10K
19:45 | 6:21/mi
15K· 9.32 mi
1:00:03
Rank: #2219 (-114)
10K → 15K
20:08 | 6:29/mi
20K· 12.43 mi
1:19:58
Rank: #2111 (+108)
15K → 20K
19:55 | 6:25/mi
Half· 13.11 mi
1:24:18
Rank: #2097 (+14)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:39:49
Rank: #2026 (+71)
Half → 25K
15:31 | 6:24/mi
30K· 18.64 mi
2:00:30
Rank: #2051 (-25)
25K → 30K
20:41 | 6:39/mi
20M
2:09:27
Rank: #2007 (+44)
30K → 20M
8:57 | 6:35/mi
21M
2:16:28
Rank: #1994 (+13)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:21:22
Rank: #2019 (-25)
21M → 35K
4:54 | 6:33/mi
23M
2:29:47
Rank: #1999 (+20)
35K → 23M
8:25 | 6:43/mi
24M
2:36:35
Rank: #2037 (-38)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:42:31
Rank: #2071 (-34)
24M → 40K
5:56 | 6:56/mi
25.2M
2:45:13
Rank: #2109 (-38)
40K → 25.2M
2:42 | 7:50/mi
Finish· 26.22 mi
2:52:33
Rank: #2205 (-96)
25.2M → Finish
7:20 | 7:12/mi

Course Map & Elevation

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:24:18
Pace6:26 /mi
2nd Half
Distance13.11 mi
Time1:28:15
Pace6:44 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0220:106:2920:10
6:29
-
10K
6.21 mi10:41:4739:556:2519:45
6:21
-0:08
15K
9.32 mi11:01:551:00:036:2720:08
6:29
+0:08
20K
12.43 mi11:21:501:19:586:2619:55
6:25
-0:04
Half
13.11 mi11:26:101:24:186:264:20
6:21
-0:04
25K
15.53 mi11:41:411:39:496:2615:31
6:24
+0:03
30K
18.64 mi12:02:222:00:306:2820:41
6:39
+0:15
20M
20.00 mi12:11:192:09:276:288:57
6:35
-0:04
21M
21.00 mi12:18:202:16:286:307:01
7:01
+0:26
35K
21.75 mi12:23:142:21:226:304:54
6:33
-0:28
23M
23.00 mi12:31:392:29:476:318:25
6:43
+0:10
24M
24.00 mi12:38:272:36:356:316:48
6:48
+0:05
40K
24.85 mi12:44:232:42:316:325:56
6:56
+0:08
25.2M
25.20 mi12:47:052:45:136:332:42
7:50
+0:54
Finish
26.22 mi12:54:252:52:336:357:20
7:12
-0:38

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

6:21 /mi

Average Pace

6:35 /mi

Slowest Pace

7:50 /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

24:05

14% of race

Time at Steady Pace

1:58:41

69% of race

Time at Slower Pace

29:47

17% of race

Average Pace: 6:35 /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 mi10:22:0220:106:2920:10
6:29
#2227
10K
6.21 mi10:41:4739:556:2519:45
6:21
#2105
15K
9.32 mi11:01:551:00:036:2720:08
6:29
#2219
20K
12.43 mi11:21:501:19:586:2619:55
6:25
#2111
Half
13.11 mi11:26:101:24:186:264:20
6:21
#2097
25K
15.53 mi11:41:411:39:496:2615:31
6:24
#2026
30K
18.64 mi12:02:222:00:306:2820:41
6:39
#2051
20M
20.00 mi12:11:192:09:276:288:57
6:35
#2007
21M
21.00 mi12:18:202:16:286:307:01
7:01
#1994
35K
21.75 mi12:23:142:21:226:304:54
6:33
#2019
23M
23.00 mi12:31:392:29:476:318:25
6:43
#1999
24M
24.00 mi12:38:272:36:356:316:48
6:48
#2037
40K
24.85 mi12:44:232:42:316:325:56
6:56
#2071
25.2M
25.20 mi12:47:052:45:136:332:42
7:50
#2109
Finish
26.22 mi12:54:252:52:336:357:20
7:12
#2205
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2227212521252520(Top 9%)2416(Top 16%)2416(Top 46%)
10K6.21 mi3.10 mi2105+1222014+1112014+1112023(Top 8%)1934(Top 13%)1934(Top 37%)
15K9.32 mi3.11 mi2219-1142127-1132127-1132520(Top 9%)2416(Top 16%)2416(Top 46%)
20K12.43 mi3.11 mi2111+1082022+1052022+1051850(Top 7%)1773(Top 12%)1773(Top 34%)
Half13.11 mi0.68 mi2097+142008+142008+142012(Top 8%)1935(Top 13%)1935(Top 37%)
25K15.53 mi2.42 mi2026+711942+661942+661727(Top 6%)1653(Top 11%)1653(Top 31%)
30K18.64 mi3.11 mi2051-251967-251967-252205(Top 8%)2105(Top 14%)2105(Top 40%)
20M20.00 mi1.36 mi2007+441923+441923+441808(Top 7%)1724(Top 11%)1724(Top 33%)
21M21.00 mi1.00 mi1994+131910+131910+132206(Top 8%)2084(Top 14%)2084(Top 39%)
35K21.75 mi0.75 mi2019-251935-251935-252660(Top 10%)2503(Top 16%)2503(Top 47%)
23M23.00 mi1.25 mi1999+201916+191916+192250(Top 8%)2121(Top 14%)2121(Top 40%)
24M24.00 mi1.00 mi2037-381953-371953-373616(Top 14%)3315(Top 22%)3315(Top 63%)
40K24.85 mi0.85 mi2071-341986-331986-333499(Top 13%)3178(Top 21%)3178(Top 60%)
25.2M25.20 mi0.35 mi2109-382023-372023-375422(Top 20%)4521(Top 30%)4521(Top 86%)
Finish26.22 mi1.02 mi2205-962112-892112-896338(Top 24%)5146(Top 34%)5146(Top 97%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2520

Males

2416

M18-39

2416

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2023

Males

1934

M18-39

1934

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2520

Males

2416

M18-39

2416

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1850

Males

1773

M18-39

1773

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2012

Males

1935

M18-39

1935

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1727

Males

1653

M18-39

1653

25K→30K

15.5 - 18.6 mi

Top 8%
×9stories
+181ft-148ft

Overall

2205

Males

2105

M18-39

2105

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

1808

Males

1724

M18-39

1724

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2206

Males

2084

M18-39

2084

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2660

Males

2503

M18-39

2503

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2250

Males

2121

M18-39

2121

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3616

Males

3315

M18-39

3315

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3499

Males

3178

M18-39

3178

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5422

Males

4521

M18-39

4521

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6338

Males

5146

M18-39

5146

Passing Analysis

Category:
Athletes Passed
700
Passed By
678
Net Change
+22
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2227
5K → 10K18967+122#2227#2105
10K → 15K31145-114#2105#2219
15K → 20K12416+108#2219#2111
20K → Half2410+14#2111#2097
Half → 25K8514+71#2097#2026
25K → 30K6085-25#2026#2051
30K → 20M5612+44#2051#2007
20M → 21M3724+13#2007#1994
21M → 35K1035-25#1994#2019
35K → 23M4727+20#2019#1999
23M → 24M1048-38#1999#2037
24M → 40K1852-34#2037#2071
40K → 25.2M543-38#2071#2109
25.2M → Finish4100-96#2109#2205
TOTALS700678+22
📊

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