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BOSTON MARATHON 2023

Carlos Flores

Bib: 15198•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
8:04/mi
25:04
↑ 97↓ 3451.5%
10K· 6.21 mi
7:53/mi
49:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:57/mi
1:14:14
↑ 67↓ 78
20K· 12.43 mi
8:04/mi
1:39:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:44:46
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:04:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:30:54
↑ 181↓ 1480.2%
20M
8:49/mi
2:42:53
↑ 64↓ 500.2%
21M
9:39/mi
2:52:32
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
2:58:50
↑ 17↓ 861.7%
23M
8:50/mi
3:09:53
↑ 23↓ 630.6%
24M
9:03/mi
3:18:56
↓ 821.3%
40K· 24.85 mi
9:48/mi
3:27:19
↓ 200.3%
25.2M
11:21/mi
3:31:14
↑ 13↓ 160.2%
Finish· 26.22 mi
11:30/mi
3:42:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:46
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:58:11
Pace9:01 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:3825:048:0425:04
8:04
-
10K
6.21 mi11:19:0749:337:5824:29
7:53
-0:11
15K
9.32 mi11:43:481:14:147:5824:41
7:57
+0:04
20K
12.43 mi12:08:521:39:187:5925:04
8:04
+0:07
Half
13.11 mi12:14:201:44:467:595:28
8:01
-0:03
25K
15.53 mi12:34:042:04:308:0119:44
8:08
+0:07
30K
18.64 mi13:00:282:30:548:0626:24
8:30
+0:22
20M
20.00 mi13:12:272:42:538:0911:59
8:49
+0:19
21M
21.00 mi13:22:062:52:328:139:39
9:39
+0:50
35K
21.75 mi13:28:242:58:508:136:18
8:25
-1:14
23M
23.00 mi13:39:273:09:538:1511:03
8:50
+0:25
24M
24.00 mi13:48:303:18:568:179:03
9:03
+0:13
40K
24.85 mi13:56:533:27:198:208:23
9:48
+0:45
25.2M
25.20 mi14:00:483:31:148:233:55
11:21
+1:33
Finish
26.22 mi14:12:313:42:578:3111:43
11:30
+0:09

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

7:53 /mi

Average Pace

8:31 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

24:29

11% of race

Time at Steady Pace

2:44:48

74% of race

Time at Slower Pace

33:40

15% of race

Average Pace: 8:30 /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 mi10:54:3825:048:0425:04
8:04
#14468
10K
6.21 mi11:19:0749:337:5824:29
7:53
#14195
15K
9.32 mi11:43:481:14:147:5824:41
7:57
#14086
20K
12.43 mi12:08:521:39:187:5925:04
8:04
#14018
Half
13.11 mi12:14:201:44:467:595:28
8:01
#14049
25K
15.53 mi12:34:042:04:308:0119:44
8:08
#13972
30K
18.64 mi13:00:282:30:548:0626:24
8:30
#14066
20M
20.00 mi13:12:272:42:538:0911:59
8:49
#14185
21M
21.00 mi13:22:062:52:328:139:39
9:39
#14328
35K
21.75 mi13:28:242:58:508:136:18
8:25
#14328
23M
23.00 mi13:39:273:09:538:1511:03
8:50
#14375
24M
24.00 mi13:48:303:18:568:179:03
9:03
#14503
40K
24.85 mi13:56:533:27:198:208:23
9:48
#14715
25.2M
25.20 mi14:00:483:31:148:233:55
11:21
#14887
Finish
26.22 mi14:12:313:42:578:3111:43
11:30
#15670
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi14468101441014413943(Top 52%)9879(Top 65%)9879(Top 481%)
10K6.21 mi3.10 mi14195+27310016+12810016+12813805(Top 52%)9863(Top 65%)9863(Top 481%)
15K9.32 mi3.11 mi14086+1099957+599957+5913943(Top 52%)9879(Top 65%)9879(Top 481%)
20K12.43 mi3.11 mi14018+689902+559902+5513982(Top 53%)9870(Top 65%)9870(Top 481%)
Half13.11 mi0.68 mi14049-319921-199921-1914452(Top 54%)10091(Top 66%)10091(Top 492%)
25K15.53 mi2.42 mi13972+779863+589863+5813788(Top 52%)9687(Top 64%)9687(Top 472%)
30K18.64 mi3.11 mi14066-949863986314298(Top 54%)9774(Top 64%)9774(Top 476%)
20M20.00 mi1.36 mi14185-1199886-239886-2315513(Top 58%)10212(Top 67%)10212(Top 498%)
21M21.00 mi1.00 mi14328-1439910-249910-2416621(Top 62%)10621(Top 70%)10621(Top 518%)
35K21.75 mi0.75 mi143289905+59905+514827(Top 56%)9807(Top 65%)9807(Top 478%)
23M23.00 mi1.25 mi14375-479901+49901+415115(Top 57%)9852(Top 65%)9852(Top 480%)
24M24.00 mi1.00 mi14503-1289931-309931-3017430(Top 65%)10811(Top 71%)10811(Top 527%)
40K24.85 mi0.85 mi14715-2129988-579988-5719393(Top 73%)11661(Top 77%)11661(Top 568%)
25.2M25.20 mi0.35 mi14887-17210048-6010048-6021200(Top 80%)12466(Top 82%)12466(Top 608%)
Finish26.22 mi1.02 mi15670-78310359-31110359-31124671(Top 93%)14153(Top 93%)14153(Top 690%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

13943

Males

9879

M50-54

9879

5K→10K

3.1 - 6.2 mi

Top 52%
×5story building
+79ft-138ft

Overall

13805

Males

9863

M50-54

9863

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

13943

Males

9879

M50-54

9879

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

13982

Males

9870

M50-54

9870

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14452

Males

10091

M50-54

10091

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13788

Males

9687

M50-54

9687

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14298

Males

9774

M50-54

9774

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15513

Males

10212

M50-54

10212

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

16621

Males

10621

M50-54

10621

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

14827

Males

9807

M50-54

9807

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

15115

Males

9852

M50-54

9852

23M→24M

23.0 - 24.0 mi

Top 65%
×6story building
+12ft-82ft

Overall

17430

Males

10811

M50-54

10811

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19393

Males

11661

M50-54

11661

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21200

Males

12466

M50-54

12466

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24671

Males

14153

M50-54

14153

Passing Analysis

Category:
Athletes Passed
1541
Passed By
2743
Net Change
-1202
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14468
5K → 10K457184+273#14468#14195
10K → 15K243134+109#14195#14086
15K → 20K212144+68#14086#14018
20K → Half2354-31#14018#14049
Half → 25K16891+77#14049#13972
25K → 30K155249-94#13972#14066
30K → 20M52171-119#14066#14185
20M → 21M38181-143#14185#14328
21M → 35K50500#14328#14328
35K → 23M71118-47#14328#14375
23M → 24M42170-128#14375#14503
24M → 40K21233-212#14503#14715
40K → 25.2M5177-172#14715#14887
25.2M → Finish4787-783#14887#15670
TOTALS15412743-1202
📊

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