Boston Marathon logo
BOSTON MARATHON 2023

Gonzalo Pereyra

Bib: 2679•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 6%
Gender (Male)
#0 / 15176
Top 10%
Division (M18-39)
#0 / 5285
Top 23%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:40
Rank: #1539
Start → 5K
19:40 | 6:20/mi
10K· 6.21 mi
39:34
Rank: #1835 (-296)
5K → 10K
19:54 | 6:24/mi
15K· 9.32 mi
59:28
Rank: #1919 (-84)
10K → 15K
19:54 | 6:24/mi
20K· 12.43 mi
1:19:21
Rank: #1865 (+54)
15K → 20K
19:53 | 6:24/mi
Half· 13.11 mi
1:23:42
Rank: #1872 (-7)
20K → Half
4:21 | 6:23/mi
25K· 15.53 mi
1:39:19
Rank: #1862 (+10)
Half → 25K
15:37 | 6:26/mi
30K· 18.64 mi
1:59:39
Rank: #1819 (+43)
25K → 30K
20:20 | 6:33/mi
20M
2:08:41
Rank: #1822 (-3)
30K → 20M
9:02 | 6:39/mi
21M
2:15:19
Rank: #1737 (+85)
20M → 21M
6:38 | 6:39/mi
35K· 21.75 mi
2:19:54
Rank: #1695 (+42)
21M → 35K
4:35 | 6:08/mi
23M
2:27:58
Rank: #1657 (+38)
35K → 23M
8:04 | 6:27/mi
24M
2:34:15
Rank: #1612 (+45)
23M → 24M
6:17 | 6:17/mi
40K· 24.85 mi
2:39:43
Rank: #1582 (+30)
24M → 40K
5:28 | 6:24/mi
25.2M
2:42:05
Rank: #1568 (+14)
40K → 25.2M
2:22 | 6:52/mi
Finish· 26.22 mi
2:48:31
Rank: #1546 (+22)
25.2M → Finish
6:26 | 6:19/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:42
Pace6:23 /mi
2nd Half
Distance13.11 mi
Time1:24:49
Pace6:28 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2019:406:2019:40
6:20
-
10K
6.21 mi10:40:1439:346:2219:54
6:24
+0:04
15K
9.32 mi11:00:0859:286:2319:54
6:24
0:00
20K
12.43 mi11:20:011:19:216:2319:53
6:24
0:00
Half
13.11 mi11:24:221:23:426:234:21
6:23
-0:01
25K
15.53 mi11:39:591:39:196:2415:37
6:26
+0:03
30K
18.64 mi12:00:191:59:396:2520:20
6:33
+0:07
20M
20.00 mi12:09:212:08:416:269:02
6:39
+0:06
21M
21.00 mi12:15:592:15:196:276:38
6:39
0:00
35K
21.75 mi12:20:342:19:546:264:35
6:08
-0:31
23M
23.00 mi12:28:382:27:586:268:04
6:27
+0:19
24M
24.00 mi12:34:552:34:156:266:17
6:17
-0:10
40K
24.85 mi12:40:232:39:436:265:28
6:24
+0:07
25.2M
25.20 mi12:42:452:42:056:262:22
6:52
+0:28
Finish
26.22 mi12:49:112:48:316:266:26
6:19
-0:33

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

6:08 /mi

Average Pace

6:26 /mi

Slowest Pace

6:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:09

99% of race

Time at Steady Pace

2:22

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:26 /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 mi10:20:2019:406:2019:40
6:20
#1539
10K
6.21 mi10:40:1439:346:2219:54
6:24
#1835
15K
9.32 mi11:00:0859:286:2319:54
6:24
#1919
20K
12.43 mi11:20:011:19:216:2319:53
6:24
#1865
Half
13.11 mi11:24:221:23:426:234:21
6:23
#1872
25K
15.53 mi11:39:591:39:196:2415:37
6:26
#1862
30K
18.64 mi12:00:191:59:396:2520:20
6:33
#1819
20M
20.00 mi12:09:212:08:416:269:02
6:39
#1822
21M
21.00 mi12:15:592:15:196:276:38
6:39
#1737
35K
21.75 mi12:20:342:19:546:264:35
6:08
#1695
23M
23.00 mi12:28:382:27:586:268:04
6:27
#1657
24M
24.00 mi12:34:552:34:156:266:17
6:17
#1612
40K
24.85 mi12:40:232:39:436:265:28
6:24
#1582
25.2M
25.20 mi12:42:452:42:056:262:22
6:52
#1568
Finish
26.22 mi12:49:112:48:316:266:26
6:19
#1546
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1539146614662121(Top 8%)2034(Top 13%)2034(Top 38%)
10K6.21 mi3.10 mi1835-2961755-2891755-2892254(Top 8%)2157(Top 14%)2157(Top 41%)
15K9.32 mi3.11 mi1919-841837-821837-822121(Top 8%)2034(Top 13%)2034(Top 38%)
20K12.43 mi3.11 mi1865+541785+521785+521792(Top 7%)1715(Top 11%)1715(Top 32%)
Half13.11 mi0.68 mi1872-71793-81793-82063(Top 8%)1979(Top 13%)1979(Top 37%)
25K15.53 mi2.42 mi1862+101781+121781+121900(Top 7%)1820(Top 12%)1820(Top 34%)
30K18.64 mi3.11 mi1819+431740+411740+411724(Top 6%)1649(Top 11%)1649(Top 31%)
20M20.00 mi1.36 mi1822-31741-11741-12034(Top 8%)1938(Top 13%)1938(Top 37%)
21M21.00 mi1.00 mi1737+851663+781663+78954(Top 4%)906(Top 6%)906(Top 17%)
35K21.75 mi0.75 mi1695+421622+411622+411024(Top 4%)974(Top 6%)974(Top 18%)
23M23.00 mi1.25 mi1657+381584+381584+381239(Top 5%)1170(Top 8%)1170(Top 22%)
24M24.00 mi1.00 mi1612+451541+431541+431306(Top 5%)1236(Top 8%)1236(Top 23%)
40K24.85 mi0.85 mi1582+301512+291512+291189(Top 4%)1124(Top 7%)1124(Top 21%)
25.2M25.20 mi0.35 mi1568+141498+141498+141322(Top 5%)1252(Top 8%)1252(Top 24%)
Finish26.22 mi1.02 mi1546+221478+201478+201666(Top 6%)1566(Top 10%)1566(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2121

Males

2034

M18-39

2034

5K→10K

3.1 - 6.2 mi

Top 8%
×5stories
+79ft-138ft

Overall

2254

Males

2157

M18-39

2157

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2121

Males

2034

M18-39

2034

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

1792

Males

1715

M18-39

1715

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2063

Males

1979

M18-39

1979

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1900

Males

1820

M18-39

1820

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1724

Males

1649

M18-39

1649

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2034

Males

1938

M18-39

1938

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

954

Males

906

M18-39

906

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1024

Males

974

M18-39

974

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1239

Males

1170

M18-39

1170

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1306

Males

1236

M18-39

1236

24M→40K

24.0 - 24.9 mi

Top 4%
×1story
+6ft-20ft

Overall

1189

Males

1124

M18-39

1124

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1322

Males

1252

M18-39

1252

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1666

Males

1566

M18-39

1566

Passing Analysis

Category:
Athletes Passed
612
Passed By
619
Net Change
-7
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1539
5K → 10K16312-296#1539#1835
10K → 15K32116-84#1835#1919
15K → 20K8935+54#1919#1865
20K → Half512-7#1865#1872
Half → 25K3929+10#1872#1862
25K → 30K7532+43#1862#1819
30K → 20M3437-3#1819#1822
20M → 21M850+85#1822#1737
21M → 35K442+42#1737#1695
35K → 23M5012+38#1695#1657
23M → 24M5611+45#1657#1612
24M → 40K377+30#1612#1582
40K → 25.2M173+14#1582#1568
25.2M → Finish3311+22#1568#1546
TOTALS612619-7
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing