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BOSTON MARATHON 2023

Rômulo Simas

Bib: 12736•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 30%
Gender (Male)
#0 / 15176
Top 44%
Masters (Masters Men)
#0 / 9891
Top 32%
Division (M45-49)
#0 / 2252
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:24/mi
23:00
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
45:26
↑ 79↓ 1380.4%
15K· 9.32 mi
7:07/mi
1:07:34
↑ 67↓ 78
20K· 12.43 mi
7:16/mi
1:30:08
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:35:03
↑ 19↓ 370.5%
25K· 15.53 mi
7:16/mi
1:52:41
↑ 66↓ 880.2%
30K· 18.64 mi
7:37/mi
2:16:21
↑ 181↓ 1480.2%
20M
7:49/mi
2:26:58
↑ 64↓ 500.2%
21M
8:24/mi
2:35:22
↑ 106↓ 241.6%
35K· 21.75 mi
7:22/mi
2:40:53
↑ 17↓ 861.7%
23M
7:50/mi
2:50:41
↑ 23↓ 630.6%
24M
7:34/mi
2:58:15
↓ 821.3%
40K· 24.85 mi
7:45/mi
3:04:53
↓ 200.3%
25.2M
8:36/mi
3:07:51
↑ 13↓ 160.2%
Finish· 26.22 mi
7:50/mi
3:15:50
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:03
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:40:47
Pace7:41 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3523:007:2423:00
7:24
-
10K
6.21 mi11:13:0145:267:1922:26
7:13
-0:11
15K
9.32 mi11:35:091:07:347:1522:08
7:07
-0:06
20K
12.43 mi11:57:431:30:087:1522:34
7:16
+0:09
Half
13.11 mi12:02:381:35:037:154:55
7:12
-0:04
25K
15.53 mi12:20:161:52:417:1517:38
7:16
+0:04
30K
18.64 mi12:43:562:16:217:1923:40
7:37
+0:21
20M
20.00 mi12:54:332:26:587:2110:37
7:49
+0:12
21M
21.00 mi13:02:572:35:227:248:24
8:24
+0:35
35K
21.75 mi13:08:282:40:537:245:31
7:22
-1:02
23M
23.00 mi13:18:162:50:417:259:48
7:50
+0:28
24M
24.00 mi13:25:502:58:157:267:34
7:34
-0:16
40K
24.85 mi13:32:283:04:537:266:38
7:45
+0:11
25.2M
25.20 mi13:35:263:07:517:272:58
8:36
+0:51
Finish
26.22 mi13:43:253:15:507:287:59
7:50
-0:46

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

7:07 /mi

Average Pace

7:28 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:41

46% of race

Time at Steady Pace

1:06:23

34% of race

Time at Slower Pace

39:46

20% of race

Average Pace: 7:28 /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 mi10:50:3523:007:2423:00
7:24
#8832
10K
6.21 mi11:13:0145:267:1922:26
7:13
#8519
15K
9.32 mi11:35:091:07:347:1522:08
7:07
#8101
20K
12.43 mi11:57:431:30:087:1522:34
7:16
#7907
Half
13.11 mi12:02:381:35:037:154:55
7:12
#7909
25K
15.53 mi12:20:161:52:417:1517:38
7:16
#7743
30K
18.64 mi12:43:562:16:217:1923:40
7:37
#7735
20M
20.00 mi12:54:332:26:587:2110:37
7:49
#7794
21M
21.00 mi13:02:572:35:227:248:24
8:24
#7848
35K
21.75 mi13:08:282:40:537:245:31
7:22
#7828
23M
23.00 mi13:18:162:50:417:259:48
7:50
#7851
24M
24.00 mi13:25:502:58:157:267:34
7:34
#7854
40K
24.85 mi13:32:283:04:537:266:38
7:45
#7850
25.2M
25.20 mi13:35:263:07:517:272:58
8:36
#7874
Finish
26.22 mi13:43:253:15:507:287:59
7:50
#7957
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8832749174917309(Top 27%)6464(Top 43%)6464(Top 287%)
10K6.21 mi3.10 mi8519+3137284+2077284+2078243(Top 31%)7111(Top 47%)7111(Top 316%)
15K9.32 mi3.11 mi8101+4187017+2677017+2677309(Top 27%)6464(Top 43%)6464(Top 287%)
20K12.43 mi3.11 mi7907+1946877+1406877+1407527(Top 28%)6579(Top 43%)6579(Top 292%)
Half13.11 mi0.68 mi7909-26875+26875+27878(Top 30%)6826(Top 45%)6826(Top 303%)
25K15.53 mi2.42 mi7743+1666751+1246751+1247113(Top 27%)6231(Top 41%)6231(Top 277%)
30K18.64 mi3.11 mi7735+86710+416710+418054(Top 30%)6714(Top 44%)6714(Top 298%)
20M20.00 mi1.36 mi7794-596729-196729-198926(Top 34%)7140(Top 47%)7140(Top 317%)
21M21.00 mi1.00 mi7848-546751-226751-229807(Top 37%)7493(Top 49%)7493(Top 333%)
35K21.75 mi0.75 mi7828+206725+266725+267620(Top 29%)6262(Top 41%)6262(Top 278%)
23M23.00 mi1.25 mi7851-236711+146711+148584(Top 32%)6742(Top 44%)6742(Top 299%)
24M24.00 mi1.00 mi7854-36691+206691+208141(Top 31%)6397(Top 42%)6397(Top 284%)
40K24.85 mi0.85 mi7850+46673+186673+188355(Top 31%)6461(Top 43%)6461(Top 287%)
25.2M25.20 mi0.35 mi7874-246686-136686-1310084(Top 38%)7318(Top 48%)7318(Top 325%)
Finish26.22 mi1.02 mi7957-836711-256711-2510896(Top 41%)7733(Top 51%)7733(Top 343%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7309

Males

6464

M45-49

6464

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8243

Males

7111

M45-49

7111

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7309

Males

6464

M45-49

6464

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7527

Males

6579

M45-49

6579

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7878

Males

6826

M45-49

6826

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7113

Males

6231

M45-49

6231

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8054

Males

6714

M45-49

6714

30K→20M

18.6 - 20.0 mi

Top 34%
×5story building
+64ft-50ft

Overall

8926

Males

7140

M45-49

7140

20M→21M

20.0 - 21.0 mi

Top 37%
×8story building
+106ft-24ft

Overall

9807

Males

7493

M45-49

7493

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

7620

Males

6262

M45-49

6262

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8584

Males

6742

M45-49

6742

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8141

Males

6397

M45-49

6397

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8355

Males

6461

M45-49

6461

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10084

Males

7318

M45-49

7318

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

10896

Males

7733

M45-49

7733

Passing Analysis

Category:
Athletes Passed
1834
Passed By
959
Net Change
+875
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8832
5K → 10K427114+313#8832#8519
10K → 15K43416+418#8519#8101
15K → 20K22632+194#8101#7907
20K → Half2123-2#7907#7909
Half → 25K18620+166#7909#7743
25K → 30K144136+8#7743#7735
30K → 20M44103-59#7735#7794
20M → 21M53107-54#7794#7848
21M → 35K4727+20#7848#7828
35K → 23M6790-23#7828#7851
23M → 24M7275-3#7851#7854
24M → 40K5955+4#7854#7850
40K → 25.2M1741-24#7850#7874
25.2M → Finish37120-83#7874#7957
TOTALS1834959+875
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing