Boston Marathon logo
BOSTON MARATHON 2023

Roberto Rivera-Vazquez

Bib: 12755•M

PA

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 46%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:19
Rank: #9673
Start → 5K
23:19 | 7:30/mi
10K· 6.21 mi
46:43
Rank: #10210 (-537)
5K → 10K
23:24 | 7:32/mi
15K· 9.32 mi
1:10:03
Rank: #10197 (+13)
10K → 15K
23:20 | 7:31/mi
20K· 12.43 mi
1:33:51
Rank: #10285 (-88)
15K → 20K
23:48 | 7:40/mi
Half· 13.11 mi
1:38:55
Rank: #10246 (+39)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:57:16
Rank: #10033 (+213)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:22:10
Rank: #10185 (-152)
25K → 30K
24:54 | 8:01/mi
20M
2:33:23
Rank: #10313 (-128)
30K → 20M
11:13 | 8:15/mi
21M
2:42:44
Rank: #10609 (-296)
20M → 21M
9:21 | 9:21/mi
35K· 21.75 mi
2:48:50
Rank: #10682 (-73)
21M → 35K
6:06 | 8:09/mi
23M
3:00:56
Rank: #11351 (-669)
35K → 23M
12:06 | 9:40/mi
24M
3:10:09
Rank: #11767 (-416)
23M → 24M
9:13 | 9:13/mi
40K· 24.85 mi
3:17:52
Rank: #11975 (-208)
24M → 40K
7:43 | 9:02/mi
25.2M
3:21:11
Rank: #12045 (-70)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:29:38
Rank: #12138 (-93)
25.2M → Finish
8:27 | 8:18/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
Time1:38:55
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:50:43
Pace8:27 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0423:197:3023:19
7:30
-
10K
6.21 mi11:17:2846:437:3123:24
7:32
+0:02
15K
9.32 mi11:40:481:10:037:3123:20
7:31
-0:01
20K
12.43 mi12:04:361:33:517:3323:48
7:40
+0:09
Half
13.11 mi12:09:401:38:557:335:04
7:26
-0:14
25K
15.53 mi12:28:011:57:167:3318:21
7:34
+0:08
30K
18.64 mi12:52:552:22:107:3824:54
8:01
+0:27
20M
20.00 mi13:04:082:33:237:4011:13
8:15
+0:14
21M
21.00 mi13:13:292:42:447:459:21
9:21
+1:06
35K
21.75 mi13:19:352:48:507:466:06
8:09
-1:12
23M
23.00 mi13:31:413:00:567:5212:06
9:40
+1:31
24M
24.00 mi13:40:543:10:097:559:13
9:13
-0:27
40K
24.85 mi13:48:373:17:527:587:43
9:02
-0:11
25.2M
25.20 mi13:51:563:21:117:593:19
9:37
+0:35
Finish
26.22 mi14:00:233:29:388:008:27
8:18
-1:19

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

7:26 /mi

Average Pace

8:00 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:16

56% of race

Time at Steady Pace

50:40

24% of race

Time at Slower Pace

41:42

20% of race

Average Pace: 8:00 /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 mi10:54:0423:197:3023:19
7:30
#9673
10K
6.21 mi11:17:2846:437:3123:24
7:32
#10210
15K
9.32 mi11:40:481:10:037:3123:20
7:31
#10197
20K
12.43 mi12:04:361:33:517:3323:48
7:40
#10285
Half
13.11 mi12:09:401:38:557:335:04
7:26
#10246
25K
15.53 mi12:28:011:57:167:3318:21
7:34
#10033
30K
18.64 mi12:52:552:22:107:3824:54
8:01
#10185
20M
20.00 mi13:04:082:33:237:4011:13
8:15
#10313
21M
21.00 mi13:13:292:42:447:459:21
9:21
#10609
35K
21.75 mi13:19:352:48:507:466:06
8:09
#10682
23M
23.00 mi13:31:413:00:567:5212:06
9:40
#11351
24M
24.00 mi13:40:543:10:097:559:13
9:13
#11767
40K
24.85 mi13:48:373:17:527:587:43
9:02
#11975
25.2M
25.20 mi13:51:563:21:117:593:19
9:37
#12045
Finish
26.22 mi14:00:233:29:388:008:27
8:18
#12138
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi96737972797210259(Top 39%)8284(Top 55%)8284(Top 368%)
10K6.21 mi3.10 mi10210-5378266-2948266-29410712(Top 40%)8540(Top 56%)8540(Top 379%)
15K9.32 mi3.11 mi10197+138276-108276-1010259(Top 39%)8284(Top 55%)8284(Top 368%)
20K12.43 mi3.11 mi10285-888304-288304-2810587(Top 40%)8380(Top 55%)8380(Top 372%)
Half13.11 mi0.68 mi10246+398281+238281+239623(Top 36%)7904(Top 52%)7904(Top 351%)
25K15.53 mi2.42 mi10033+2138143+1388143+1389302(Top 35%)7617(Top 50%)7617(Top 338%)
30K18.64 mi3.11 mi10185-1528189-468189-4611011(Top 41%)8355(Top 55%)8355(Top 371%)
20M20.00 mi1.36 mi10313-1288224-358224-3512027(Top 45%)8717(Top 57%)8717(Top 387%)
21M21.00 mi1.00 mi10609-2968340-1168340-11615228(Top 57%)10021(Top 66%)10021(Top 445%)
35K21.75 mi0.75 mi10682-738352-128352-1213107(Top 49%)9022(Top 59%)9022(Top 401%)
23M23.00 mi1.25 mi11351-6698645-2938645-29318930(Top 71%)11538(Top 76%)11538(Top 512%)
24M24.00 mi1.00 mi11767-4168818-1738818-17318093(Top 68%)11116(Top 73%)11116(Top 494%)
40K24.85 mi0.85 mi11975-2088875-578875-5716237(Top 61%)10218(Top 67%)10218(Top 454%)
25.2M25.20 mi0.35 mi12045-708897-228897-2215662(Top 59%)9950(Top 66%)9950(Top 442%)
Finish26.22 mi1.02 mi12138-938919-228919-2214039(Top 53%)9258(Top 61%)9258(Top 411%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21stories
+97ft-345ft

Overall

10259

Males

8284

M45-49

8284

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10712

Males

8540

M45-49

8540

10K→15K

6.2 - 9.3 mi

Top 39%
×3stories
+67ft-78ft

Overall

10259

Males

8284

M45-49

8284

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10587

Males

8380

M45-49

8380

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9623

Males

7904

M45-49

7904

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9302

Males

7617

M45-49

7617

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11011

Males

8355

M45-49

8355

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

12027

Males

8717

M45-49

8717

20M→21M

20.0 - 21.0 mi

Top 57%
×8stories
+106ft-24ft

Overall

15228

Males

10021

M45-49

10021

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13107

Males

9022

M45-49

9022

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18930

Males

11538

M45-49

11538

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18093

Males

11116

M45-49

11116

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

16237

Males

10218

M45-49

10218

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15662

Males

9950

M45-49

9950

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14039

Males

9258

M45-49

9258

Passing Analysis

Category:
Athletes Passed
1041*
Passed By
3505
Net Change
-2465
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9673
5K → 10K123659-537#9673#10210
10K → 15K182169+13#10210#10197
15K → 20K123*211-88#10197#10285
20K → Half5011+39#10285#10246
Half → 25K24835+213#10246#10033
25K → 30K107*259-152#10033#10185
30K → 20M45*173-128#10185#10313
20M → 21M27323-296#10313#10609
21M → 35K38111-73#10609#10682
35K → 23M11680-669#10682#11351
23M → 24M8424-416#11351#11767
24M → 40K25233-208#11767#11975
40K → 25.2M979-70#11975#12045
25.2M → Finish45138-93#12045#12138
TOTALS1041*3505-2465

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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