Boston Marathon logo
BOSTON MARATHON 2023

Renato Pereira

Bib: 6507•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 30%
Masters (Masters Men)
#0 / 9891
Top 16%
Division (M40-44)
#0 / 2241
Top 38%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:13
Rank: #4947
Start → 5K
21:13 | 6:50/mi
10K· 6.21 mi
42:16
Rank: #4986 (-39)
5K → 10K
21:03 | 6:47/mi
15K· 9.32 mi
1:03:20
Rank: #4957 (+29)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:24:38
Rank: #4937 (+20)
15K → 20K
21:18 | 6:51/mi
Half· 13.11 mi
1:29:19
Rank: #4974 (-37)
20K → Half
4:41 | 6:52/mi
25K· 15.53 mi
1:46:13
Rank: #5071 (-97)
Half → 25K
16:54 | 6:58/mi
30K· 18.64 mi
2:08:33
Rank: #5139 (-68)
25K → 30K
22:20 | 7:11/mi
20M
2:18:11
Rank: #5052 (+87)
30K → 20M
9:38 | 7:05/mi
21M
2:25:48
Rank: #5048 (+4)
20M → 21M
7:37 | 7:37/mi
35K· 21.75 mi
2:30:58
Rank: #5023 (+25)
21M → 35K
5:10 | 6:54/mi
23M
2:40:03
Rank: #4968 (+55)
35K → 23M
9:05 | 7:15/mi
24M
2:47:06
Rank: #4936 (+32)
23M → 24M
7:03 | 7:03/mi
40K· 24.85 mi
2:53:23
Rank: #4937 (-1)
24M → 40K
6:17 | 7:21/mi
25.2M
2:56:10
Rank: #4947 (-10)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:03:38
Rank: #4978 (-31)
25.2M → Finish
7:28 | 7:20/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
Time1:29:19
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:34:19
Pace7:12 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5621:136:5021:13
6:50
-
10K
6.21 mi10:45:5942:166:4821:03
6:47
-0:03
15K
9.32 mi11:07:031:03:206:4821:04
6:47
0:00
20K
12.43 mi11:28:211:24:386:4921:18
6:51
+0:04
Half
13.11 mi11:33:021:29:196:494:41
6:52
+0:01
25K
15.53 mi11:49:561:46:136:5016:54
6:58
+0:06
30K
18.64 mi12:12:162:08:336:5422:20
7:11
+0:13
20M
20.00 mi12:21:542:18:116:559:38
7:05
-0:06
21M
21.00 mi12:29:312:25:486:577:37
7:37
+0:32
35K
21.75 mi12:34:412:30:586:565:10
6:54
-0:43
23M
23.00 mi12:43:462:40:036:589:05
7:15
+0:21
24M
24.00 mi12:50:492:47:066:587:03
7:03
-0:12
40K
24.85 mi12:57:062:53:236:596:17
7:21
+0:18
25.2M
25.20 mi12:59:532:56:106:592:47
8:04
+0:43
Finish
26.22 mi13:07:213:03:387:017:28
7:20
-0:44

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

6:47 /mi

Average Pace

7:01 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:14

94% of race

Time at Steady Pace

7:37

4% of race

Time at Slower Pace

2:47

2% of race

Average Pace: 7:00 /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 mi10:24:5621:136:5021:13
6:50
#4947
10K
6.21 mi10:45:5942:166:4821:03
6:47
#4986
15K
9.32 mi11:07:031:03:206:4821:04
6:47
#4957
20K
12.43 mi11:28:211:24:386:4921:18
6:51
#4937
Half
13.11 mi11:33:021:29:196:494:41
6:52
#4974
25K
15.53 mi11:49:561:46:136:5016:54
6:58
#5071
30K
18.64 mi12:12:162:08:336:5422:20
7:11
#5139
20M
20.00 mi12:21:542:18:116:559:38
7:05
#5052
21M
21.00 mi12:29:312:25:486:577:37
7:37
#5048
35K
21.75 mi12:34:412:30:586:565:10
6:54
#5023
23M
23.00 mi12:43:462:40:036:589:05
7:15
#4968
24M
24.00 mi12:50:492:47:066:587:03
7:03
#4936
40K
24.85 mi12:57:062:53:236:596:17
7:21
#4937
25.2M
25.20 mi12:59:532:56:106:592:47
8:04
#4947
Finish
26.22 mi13:07:213:03:387:017:28
7:20
#4978
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4947459345934932(Top 19%)4583(Top 30%)4583(Top 205%)
10K6.21 mi3.10 mi4986-394625-324625-325057(Top 19%)4680(Top 31%)4680(Top 209%)
15K9.32 mi3.11 mi4957+294604+214604+214932(Top 19%)4583(Top 30%)4583(Top 205%)
20K12.43 mi3.11 mi4937+204596+84596+84964(Top 19%)4606(Top 30%)4606(Top 206%)
Half13.11 mi0.68 mi4974-374626-304626-305720(Top 21%)5252(Top 35%)5252(Top 234%)
25K15.53 mi2.42 mi5071-974706-804706-805401(Top 20%)4976(Top 33%)4976(Top 222%)
30K18.64 mi3.11 mi5139-684759-534759-535423(Top 20%)4933(Top 33%)4933(Top 220%)
20M20.00 mi1.36 mi5052+874679+804679+804563(Top 17%)4188(Top 28%)4188(Top 187%)
21M21.00 mi1.00 mi5048+44668+114668+115166(Top 19%)4591(Top 30%)4591(Top 205%)
35K21.75 mi0.75 mi5023+254644+244644+244806(Top 18%)4342(Top 29%)4342(Top 194%)
23M23.00 mi1.25 mi4968+554590+544590+545059(Top 19%)4508(Top 30%)4508(Top 201%)
24M24.00 mi1.00 mi4936+324554+364554+364894(Top 18%)4346(Top 29%)4346(Top 194%)
40K24.85 mi0.85 mi4937-14548+64548+65721(Top 21%)4837(Top 32%)4837(Top 216%)
25.2M25.20 mi0.35 mi4947-104555-74555-76820(Top 26%)5452(Top 36%)5452(Top 243%)
Finish26.22 mi1.02 mi4978-314575-204575-207258(Top 27%)5713(Top 38%)5713(Top 255%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

4932

Males

4583

M40-44

4583

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5057

Males

4680

M40-44

4680

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

4932

Males

4583

M40-44

4583

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

4964

Males

4606

M40-44

4606

20K→Half

12.4 - 13.1 mi

Top 21%
×2stories
+19ft-37ft

Overall

5720

Males

5252

M40-44

5252

Half→25K

13.1 - 15.5 mi

Top 20%
×4stories
+66ft-88ft

Overall

5401

Males

4976

M40-44

4976

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5423

Males

4933

M40-44

4933

30K→20M

18.6 - 20.0 mi

Top 17%
×5stories
+64ft-50ft

Overall

4563

Males

4188

M40-44

4188

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

5166

Males

4591

M40-44

4591

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

4806

Males

4342

M40-44

4342

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5059

Males

4508

M40-44

4508

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4894

Males

4346

M40-44

4346

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5721

Males

4837

M40-44

4837

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6820

Males

5452

M40-44

5452

25.2M→Finish

25.2 - 26.2 mi

Top 27%
×2stories
+22ft-21ft

Overall

7258

Males

5713

M40-44

5713

Passing Analysis

Category:
Athletes Passed
1079
Passed By
1110
Net Change
-31
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4947
5K → 10K174213-39#4947#4986
10K → 15K12192+29#4986#4957
15K → 20K11090+20#4957#4937
20K → Half845-37#4937#4974
Half → 25K77174-97#4974#5071
25K → 30K116184-68#5071#5139
30K → 20M11326+87#5139#5052
20M → 21M6864+4#5052#5048
21M → 35K4520+25#5048#5023
35K → 23M9641+55#5023#4968
23M → 24M6331+32#4968#4936
24M → 40K4243-1#4936#4937
40K → 25.2M1626-10#4937#4947
25.2M → Finish3061-31#4947#4978
TOTALS10791110-31
📊

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