Boston Marathon logo
BOSTON MARATHON 2023

Juliano Ribeiro

Bib: 8542•M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 26622
Top 21%
Gender (Male)
#0 / 15176
Top 33%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:43
Rank: #3391
Start → 5K
20:43 | 6:40/mi
10K· 6.21 mi
41:16
Rank: #3468 (-77)
5K → 10K
20:33 | 6:37/mi
15K· 9.32 mi
1:02:29
Rank: #4056 (-588)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:24:22
Rank: #4727 (-671)
15K → 20K
21:53 | 7:03/mi
Half· 13.11 mi
1:29:11
Rank: #4893 (-166)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:46:35
Rank: #5288 (-395)
Half → 25K
17:24 | 7:11/mi
30K· 18.64 mi
2:09:29
Rank: #5507 (-219)
25K → 30K
22:54 | 7:22/mi
20M
2:19:27
Rank: #5498 (+9)
30K → 20M
9:58 | 7:20/mi
21M
2:27:17
Rank: #5504 (-6)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:32:35
Rank: #5479 (+25)
21M → 35K
5:18 | 7:05/mi
23M
2:41:49
Rank: #5434 (+45)
35K → 23M
9:14 | 7:22/mi
24M
2:49:05
Rank: #5417 (+17)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:55:30
Rank: #5419 (-2)
24M → 40K
6:25 | 7:30/mi
25.2M
2:58:16
Rank: #5407 (+12)
40K → 25.2M
2:46 | 8:01/mi
Finish· 26.22 mi
3:05:56
Rank: #5457 (-50)
25.2M → Finish
7:40 | 7:31/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
Time1:29:11
Pace6:48 /mi
2nd Half
Distance13.11 mi
Time1:36:45
Pace7:23 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:0520:436:4020:43
6:40
-
10K
6.21 mi11:06:3841:166:3820:33
6:37
-0:03
15K
9.32 mi11:27:511:02:296:4221:13
6:50
+0:13
20K
12.43 mi11:49:441:24:226:4721:53
7:03
+0:13
Half
13.11 mi11:54:331:29:116:484:49
7:04
+0:01
25K
15.53 mi12:11:571:46:356:5217:24
7:11
+0:07
30K
18.64 mi12:34:512:09:296:5722:54
7:22
+0:11
20M
20.00 mi12:44:492:19:276:589:58
7:20
-0:02
21M
21.00 mi12:52:392:27:177:017:50
7:50
+0:30
35K
21.75 mi12:57:572:32:357:015:18
7:05
-0:45
23M
23.00 mi13:07:112:41:497:029:14
7:22
+0:17
24M
24.00 mi13:14:272:49:057:037:16
7:16
-0:06
40K
24.85 mi13:20:522:55:307:046:25
7:30
+0:14
25.2M
25.20 mi13:23:382:58:167:042:46
8:01
+0:31
Finish
26.22 mi13:31:183:05:567:067:40
7:31
-0:30

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

6:37 /mi

Average Pace

7:06 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:11

48% of race

Time at Steady Pace

1:12:04

39% of race

Time at Slower Pace

24:41

13% of race

Average Pace: 7:05 /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 mi10:46:0520:436:4020:43
6:40
#3391
10K
6.21 mi11:06:3841:166:3820:33
6:37
#3468
15K
9.32 mi11:27:511:02:296:4221:13
6:50
#4056
20K
12.43 mi11:49:441:24:226:4721:53
7:03
#4727
Half
13.11 mi11:54:331:29:116:484:49
7:04
#4893
25K
15.53 mi12:11:571:46:356:5217:24
7:11
#5288
30K
18.64 mi12:34:512:09:296:5722:54
7:22
#5507
20M
20.00 mi12:44:492:19:276:589:58
7:20
#5498
21M
21.00 mi12:52:392:27:177:017:50
7:50
#5504
35K
21.75 mi12:57:572:32:357:015:18
7:05
#5479
23M
23.00 mi13:07:112:41:497:029:14
7:22
#5434
24M
24.00 mi13:14:272:49:057:037:16
7:16
#5417
40K
24.85 mi13:20:522:55:307:046:25
7:30
#5419
25.2M
25.20 mi13:23:382:58:167:042:46
8:01
#5407
Finish
26.22 mi13:31:183:05:567:067:40
7:31
#5457
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3391319831985384(Top 20%)4969(Top 33%)4969(Top 94%)
10K6.21 mi3.10 mi3468-773276-783276-783609(Top 14%)3409(Top 22%)3409(Top 65%)
15K9.32 mi3.11 mi4056-5883814-5383814-5385384(Top 20%)4969(Top 33%)4969(Top 94%)
20K12.43 mi3.11 mi4727-6714411-5974411-5976236(Top 23%)5647(Top 37%)5647(Top 107%)
Half13.11 mi0.68 mi4893-1664553-1424553-1426845(Top 26%)6102(Top 40%)6102(Top 115%)
25K15.53 mi2.42 mi5288-3954898-3454898-3456522(Top 24%)5812(Top 38%)5812(Top 110%)
30K18.64 mi3.11 mi5507-2195071-1735071-1736411(Top 24%)5664(Top 37%)5664(Top 107%)
20M20.00 mi1.36 mi5498+95057+145057+145814(Top 22%)5152(Top 34%)5152(Top 97%)
21M21.00 mi1.00 mi5504-65055+25055+26321(Top 24%)5425(Top 36%)5425(Top 103%)
35K21.75 mi0.75 mi5479+255027+285027+285789(Top 22%)5079(Top 33%)5079(Top 96%)
23M23.00 mi1.25 mi5434+454981+464981+465700(Top 21%)4976(Top 33%)4976(Top 94%)
24M24.00 mi1.00 mi5417+174959+224959+226126(Top 23%)5173(Top 34%)5173(Top 98%)
40K24.85 mi0.85 mi5419-24946+134946+136717(Top 25%)5454(Top 36%)5454(Top 103%)
25.2M25.20 mi0.35 mi5407+124932+144932+146550(Top 25%)5276(Top 35%)5276(Top 100%)
Finish26.22 mi1.02 mi5457-504970-384970-388678(Top 33%)6556(Top 43%)6556(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5384

Males

4969

M18-39

4969

5K→10K

3.1 - 6.2 mi

Top 14%
×5stories
+79ft-138ft

Overall

3609

Males

3409

M18-39

3409

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5384

Males

4969

M18-39

4969

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6236

Males

5647

M18-39

5647

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6845

Males

6102

M18-39

6102

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6522

Males

5812

M18-39

5812

25K→30K

15.5 - 18.6 mi

Top 24%
×9stories
+181ft-148ft

Overall

6411

Males

5664

M18-39

5664

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5814

Males

5152

M18-39

5152

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6321

Males

5425

M18-39

5425

21M→35K

21.0 - 21.8 mi

Top 22%
×7stories
+17ft-86ft

Overall

5789

Males

5079

M18-39

5079

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

5700

Males

4976

M18-39

4976

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6126

Males

5173

M18-39

5173

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6717

Males

5454

M18-39

5454

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6550

Males

5276

M18-39

5276

25.2M→Finish

25.2 - 26.2 mi

Top 33%
×2stories
+22ft-21ft

Overall

8678

Males

6556

M18-39

6556

Passing Analysis

Category:
Athletes Passed
697
Passed By
2763
Net Change
-2066
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3391
5K → 10K155232-77#3391#3468
10K → 15K17605-588#3468#4056
15K → 20K10681-671#4056#4727
20K → Half4170-166#4727#4893
Half → 25K35430-395#4893#5288
25K → 30K71290-219#5288#5507
30K → 20M5748+9#5507#5498
20M → 21M5056-6#5498#5504
21M → 35K4823+25#5504#5479
35K → 23M8540+45#5479#5434
23M → 24M5841+17#5434#5417
24M → 40K4244-2#5417#5419
40K → 25.2M3018+12#5419#5407
25.2M → Finish3585-50#5407#5457
TOTALS6972763-2066
📊

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