Boston Marathon logo
BOSTON MARATHON 2023

Robert Bellerive

Bib: 13099•M

QC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 29%
Division (M60-64)
#0 / 1110
Top 4%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:42
Rank: #10770
Start → 5K
23:42 | 7:38/mi
10K· 6.21 mi
46:13
Rank: #9470 (+1300)
5K → 10K
22:31 | 7:15/mi
15K· 9.32 mi
1:08:47
Rank: #9039 (+431)
10K → 15K
22:34 | 7:16/mi
20K· 12.43 mi
1:31:15
Rank: #8570 (+469)
15K → 20K
22:28 | 7:14/mi
Half· 13.11 mi
1:36:03
Rank: #8452 (+118)
20K → Half
4:48 | 7:02/mi
25K· 15.53 mi
1:53:37
Rank: #8170 (+282)
Half → 25K
17:34 | 7:15/mi
30K· 18.64 mi
2:16:50
Rank: #7942 (+228)
25K → 30K
23:13 | 7:28/mi
20M
2:27:02
Rank: #7807 (+135)
30K → 20M
10:12 | 7:30/mi
21M
2:34:56
Rank: #7696 (+111)
20M → 21M
7:54 | 7:54/mi
35K· 21.75 mi
2:40:19
Rank: #7640 (+56)
21M → 35K
5:23 | 7:12/mi
23M
2:49:49
Rank: #7558 (+82)
35K → 23M
9:30 | 7:35/mi
24M
2:57:12
Rank: #7495 (+63)
23M → 24M
7:23 | 7:23/mi
40K· 24.85 mi
3:03:35
Rank: #7444 (+51)
24M → 40K
6:23 | 7:28/mi
25.2M
3:06:23
Rank: #7441 (+3)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:13:55
Rank: #7412 (+29)
25.2M → Finish
7:32 | 7:24/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
Time1:36:03
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:37:52
Pace7:28 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5123:427:3823:42
7:38
-
10K
6.21 mi11:14:2246:137:2622:31
7:15
-0:23
15K
9.32 mi11:36:561:08:477:2322:34
7:16
+0:01
20K
12.43 mi11:59:241:31:157:2122:28
7:14
-0:02
Half
13.11 mi12:04:121:36:037:204:48
7:02
-0:12
25K
15.53 mi12:21:461:53:377:1917:34
7:15
+0:13
30K
18.64 mi12:44:592:16:507:2023:13
7:28
+0:13
20M
20.00 mi12:55:112:27:027:2110:12
7:30
+0:02
21M
21.00 mi13:03:052:34:567:237:54
7:54
+0:24
35K
21.75 mi13:08:282:40:197:225:23
7:12
-0:42
23M
23.00 mi13:17:582:49:497:239:30
7:35
+0:23
24M
24.00 mi13:25:212:57:127:237:23
7:23
-0:12
40K
24.85 mi13:31:443:03:357:236:23
7:28
+0:05
25.2M
25.20 mi13:34:323:06:237:242:48
8:07
+0:39
Finish
26.22 mi13:42:043:13:557:247:32
7:24
-0:43

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

7:02 /mi

Average Pace

7:24 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:03:13

94% of race

Time at Steady Pace

10:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:24 /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 mi10:51:5123:427:3823:42
7:38
#10770
10K
6.21 mi11:14:2246:137:2622:31
7:15
#9470
15K
9.32 mi11:36:561:08:477:2322:34
7:16
#9039
20K
12.43 mi11:59:241:31:157:2122:28
7:14
#8570
Half
13.11 mi12:04:121:36:037:204:48
7:02
#8452
25K
15.53 mi12:21:461:53:377:1917:34
7:15
#8170
30K
18.64 mi12:44:592:16:507:2023:13
7:28
#7942
20M
20.00 mi12:55:112:27:027:2110:12
7:30
#7807
21M
21.00 mi13:03:052:34:567:237:54
7:54
#7696
35K
21.75 mi13:08:282:40:197:225:23
7:12
#7640
23M
23.00 mi13:17:582:49:497:239:30
7:35
#7558
24M
24.00 mi13:25:212:57:127:237:23
7:23
#7495
40K
24.85 mi13:31:443:03:357:236:23
7:28
#7444
25.2M
25.20 mi13:34:323:06:237:242:48
8:07
#7441
Finish
26.22 mi13:42:043:13:557:247:32
7:24
#7412
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi10770854285428256(Top 31%)7078(Top 47%)7078(Top 638%)
10K6.21 mi3.10 mi9470+13007857+6857857+6858448(Top 32%)7223(Top 48%)7223(Top 651%)
15K9.32 mi3.11 mi9039+4317583+2747583+2748256(Top 31%)7078(Top 47%)7078(Top 638%)
20K12.43 mi3.11 mi8570+4697289+2947289+2947300(Top 27%)6426(Top 42%)6426(Top 579%)
Half13.11 mi0.68 mi8452+1187218+717218+716751(Top 25%)6058(Top 40%)6058(Top 546%)
25K15.53 mi2.42 mi8170+2827017+2017017+2016926(Top 26%)6105(Top 40%)6105(Top 550%)
30K18.64 mi3.11 mi7942+2286840+1776840+1777038(Top 26%)6096(Top 40%)6096(Top 549%)
20M20.00 mi1.36 mi7807+1356737+1036737+1036817(Top 26%)5857(Top 39%)5857(Top 528%)
21M21.00 mi1.00 mi7696+1116644+936644+936720(Top 25%)5689(Top 37%)5689(Top 513%)
35K21.75 mi0.75 mi7640+566607+376607+376491(Top 24%)5571(Top 37%)5571(Top 502%)
23M23.00 mi1.25 mi7558+826528+796528+796989(Top 26%)5817(Top 38%)5817(Top 524%)
24M24.00 mi1.00 mi7495+636461+676461+676924(Top 26%)5677(Top 37%)5677(Top 511%)
40K24.85 mi0.85 mi7444+516400+616400+616486(Top 24%)5332(Top 35%)5332(Top 480%)
25.2M25.20 mi0.35 mi7441+36389+116389+117163(Top 27%)5677(Top 37%)5677(Top 511%)
Finish26.22 mi1.02 mi7412+296358+316358+317719(Top 29%)6005(Top 40%)6005(Top 541%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8256

Males

7078

M60-64

7078

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8448

Males

7223

M60-64

7223

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8256

Males

7078

M60-64

7078

15K→20K

9.3 - 12.4 mi

Top 27%
×5stories
+106ft-86ft

Overall

7300

Males

6426

M60-64

6426

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6751

Males

6058

M60-64

6058

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

6926

Males

6105

M60-64

6105

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

7038

Males

6096

M60-64

6096

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6817

Males

5857

M60-64

5857

20M→21M

20.0 - 21.0 mi

Top 25%
×8stories
+106ft-24ft

Overall

6720

Males

5689

M60-64

5689

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6491

Males

5571

M60-64

5571

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6989

Males

5817

M60-64

5817

23M→24M

23.0 - 24.0 mi

Top 26%
×6stories
+12ft-82ft

Overall

6924

Males

5677

M60-64

5677

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6486

Males

5332

M60-64

5332

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7163

Males

5677

M60-64

5677

25.2M→Finish

25.2 - 26.2 mi

Top 29%
×2stories
+22ft-21ft

Overall

7719

Males

6005

M60-64

6005

Passing Analysis

Category:
Athletes Passed
3675*
Passed By
317
Net Change
+3358
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10770
5K → 10K1324*24+1300#10770#9470
10K → 15K45120+431#9470#9039
15K → 20K4756+469#9039#8570
20K → Half1202+118#8570#8452
Half → 25K29311+282#8452#8170
25K → 30K26537+228#8170#7942
30K → 20M15621+135#7942#7807
20M → 21M12514+111#7807#7696
21M → 35K6812+56#7696#7640
35K → 23M12139+82#7640#7558
23M → 24M8926+63#7558#7495
24M → 40K8332+51#7495#7444
40K → 25.2M2017+3#7444#7441
25.2M → Finish8556+29#7441#7412
TOTALS3675*317+3358

* 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