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BOSTON MARATHON 2023

Alejandro Rios

Bib: 13271•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
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
23:53
Rank: #11319
Start → 5K
23:53 | 7:41/mi
10K· 6.21 mi
46:39
Rank: #10096 (+1223)
5K → 10K
22:46 | 7:20/mi
15K· 9.32 mi
1:09:21
Rank: #9526 (+570)
10K → 15K
22:42 | 7:18/mi
20K· 12.43 mi
1:32:24
Rank: #9283 (+243)
15K → 20K
23:03 | 7:25/mi
Half· 13.11 mi
1:37:29
Rank: #9310 (-27)
20K → Half
5:05 | 7:27/mi
25K· 15.53 mi
1:56:19
Rank: #9533 (-223)
Half → 25K
18:50 | 7:46/mi
30K· 18.64 mi
2:21:13
Rank: #9779 (-246)
25K → 30K
24:54 | 8:01/mi
20M
2:32:10
Rank: #9797 (-18)
30K → 20M
10:57 | 8:03/mi
21M
2:40:24
Rank: #9718 (+79)
20M → 21M
8:14 | 8:14/mi
35K· 21.75 mi
2:45:59
Rank: #9653 (+65)
21M → 35K
5:35 | 7:28/mi
23M
2:55:37
Rank: #9492 (+161)
35K → 23M
9:38 | 7:42/mi
24M
3:03:05
Rank: #9371 (+121)
23M → 24M
7:28 | 7:28/mi
40K· 24.85 mi
3:09:43
Rank: #9311 (+60)
24M → 40K
6:38 | 7:45/mi
25.2M
3:12:35
Rank: #9293 (+18)
40K → 25.2M
2:52 | 8:19/mi
Finish· 26.22 mi
3:20:13
Rank: #9252 (+41)
25.2M → Finish
7:38 | 7:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:29
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:42:44
Pace7:50 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2623:537:4123:53
7:41
-
10K
6.21 mi11:15:1246:397:3022:46
7:20
-0:21
15K
9.32 mi11:37:541:09:217:2622:42
7:18
-0:02
20K
12.43 mi12:00:571:32:247:2623:03
7:25
+0:07
Half
13.11 mi12:06:021:37:297:265:05
7:27
+0:02
25K
15.53 mi12:24:521:56:197:2918:50
7:46
+0:19
30K
18.64 mi12:49:462:21:137:3524:54
8:01
+0:15
20M
20.00 mi13:00:432:32:107:3610:57
8:03
+0:02
21M
21.00 mi13:08:572:40:247:388:14
8:14
+0:11
35K
21.75 mi13:14:322:45:597:385:35
7:28
-0:46
23M
23.00 mi13:24:102:55:377:389:38
7:42
+0:14
24M
24.00 mi13:31:383:03:057:387:28
7:28
-0:14
40K
24.85 mi13:38:163:09:437:386:38
7:45
+0:17
25.2M
25.20 mi13:41:083:12:357:392:52
8:19
+0:34
Finish
26.22 mi13:48:463:20:137:397:38
7:29
-0:50

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

7:18 /mi

Average Pace

7:39 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:58:10

89% of race

Time at Steady Pace

22:03

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:52:2623:537:4123:53
7:41
#11319
10K
6.21 mi11:15:1246:397:3022:46
7:20
#10096
15K
9.32 mi11:37:541:09:217:2622:42
7:18
#9526
20K
12.43 mi12:00:571:32:247:2623:03
7:25
#9283
Half
13.11 mi12:06:021:37:297:265:05
7:27
#9310
25K
15.53 mi12:24:521:56:197:2918:50
7:46
#9533
30K
18.64 mi12:49:462:21:137:3524:54
8:01
#9779
20M
20.00 mi13:00:432:32:107:3610:57
8:03
#9797
21M
21.00 mi13:08:572:40:247:388:14
8:14
#9718
35K
21.75 mi13:14:322:45:597:385:35
7:28
#9653
23M
23.00 mi13:24:102:55:377:389:38
7:42
#9492
24M
24.00 mi13:31:383:03:057:387:28
7:28
#9371
40K
24.85 mi13:38:163:09:437:386:38
7:45
#9311
25.2M
25.20 mi13:41:083:12:357:392:52
8:19
#9293
Finish
26.22 mi13:48:463:20:137:397:38
7:29
#9252
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi11319880288028596(Top 32%)7305(Top 48%)7305(Top 324%)
10K6.21 mi3.10 mi10096+12238202+6008202+6009059(Top 34%)7616(Top 50%)7616(Top 338%)
15K9.32 mi3.11 mi9526+5707885+3177885+3178596(Top 32%)7305(Top 48%)7305(Top 324%)
20K12.43 mi3.11 mi9283+2437718+1677718+1678662(Top 33%)7294(Top 48%)7294(Top 324%)
Half13.11 mi0.68 mi9310-277733-157733-159761(Top 37%)7954(Top 52%)7954(Top 353%)
25K15.53 mi2.42 mi9533-2237857-1247857-12410820(Top 41%)8400(Top 55%)8400(Top 373%)
30K18.64 mi3.11 mi9779-2467972-1157972-11511001(Top 41%)8345(Top 55%)8345(Top 371%)
20M20.00 mi1.36 mi9797-187956+167956+1610667(Top 40%)8078(Top 53%)8078(Top 359%)
21M21.00 mi1.00 mi9718+797893+637893+638789(Top 33%)6944(Top 46%)6944(Top 308%)
35K21.75 mi0.75 mi9653+657841+527841+528255(Top 31%)6656(Top 44%)6656(Top 296%)
23M23.00 mi1.25 mi9492+1617716+1257716+1257686(Top 29%)6236(Top 41%)6236(Top 277%)
24M24.00 mi1.00 mi9371+1217611+1057611+1057478(Top 28%)6003(Top 40%)6003(Top 267%)
40K24.85 mi0.85 mi9311+607548+637548+638372(Top 31%)6478(Top 43%)6478(Top 288%)
25.2M25.20 mi0.35 mi9293+187527+217527+218349(Top 31%)6381(Top 42%)6381(Top 283%)
Finish26.22 mi1.02 mi9252+417484+437484+438468(Top 32%)6444(Top 42%)6444(Top 286%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

8596

Males

7305

M45-49

7305

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9059

Males

7616

M45-49

7616

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

8596

Males

7305

M45-49

7305

15K→20K

9.3 - 12.4 mi

Top 33%
×5stories
+106ft-86ft

Overall

8662

Males

7294

M45-49

7294

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

9761

Males

7954

M45-49

7954

Half→25K

13.1 - 15.5 mi

Top 41%
×4stories
+66ft-88ft

Overall

10820

Males

8400

M45-49

8400

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11001

Males

8345

M45-49

8345

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

10667

Males

8078

M45-49

8078

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

8789

Males

6944

M45-49

6944

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8255

Males

6656

M45-49

6656

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

7686

Males

6236

M45-49

6236

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7478

Males

6003

M45-49

6003

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8372

Males

6478

M45-49

6478

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8349

Males

6381

M45-49

6381

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2stories
+22ft-21ft

Overall

8468

Males

6444

M45-49

6444

Passing Analysis

Category:
Athletes Passed
3099*
Passed By
1032
Net Change
+2067
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11319
5K → 10K1248*25+1223#11319#10096
10K → 15K590*20+570#10096#9526
15K → 20K28845+243#9526#9283
20K → Half1542-27#9283#9310
Half → 25K62285-223#9310#9533
25K → 30K99*345-246#9533#9779
30K → 20M7896-18#9779#9797
20M → 21M11435+79#9797#9718
21M → 35K7611+65#9718#9653
35K → 23M18019+161#9653#9492
23M → 24M13918+121#9492#9371
24M → 40K9939+60#9371#9311
40K → 25.2M3315+18#9311#9293
25.2M → Finish7837+41#9293#9252
TOTALS3099*1032+2067

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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