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BOSTON MARATHON 2023

Luis Sanz

Bib: 31493•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 37%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 41%
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
24:52
Rank: #14030
Start → 5K
24:52 | 8:00/mi
10K· 6.21 mi
48:57
Rank: #13393 (+637)
5K → 10K
24:05 | 7:45/mi
15K· 9.32 mi
1:13:10
Rank: #13126 (+267)
10K → 15K
24:13 | 7:48/mi
20K· 12.43 mi
1:37:14
Rank: #12609 (+517)
15K → 20K
24:04 | 7:45/mi
Half· 13.11 mi
1:42:28
Rank: #12542 (+67)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:01:17
Rank: #12240 (+302)
Half → 25K
18:49 | 7:46/mi
30K· 18.64 mi
2:25:44
Rank: #11761 (+479)
25K → 30K
24:27 | 7:52/mi
20M
2:36:17
Rank: #11483 (+278)
30K → 20M
10:33 | 7:46/mi
21M
2:44:13
Rank: #11159 (+324)
20M → 21M
7:56 | 7:56/mi
35K· 21.75 mi
2:49:35
Rank: #10948 (+211)
21M → 35K
5:22 | 7:10/mi
23M
2:58:50
Rank: #10603 (+345)
35K → 23M
9:15 | 7:23/mi
24M
3:06:08
Rank: #10381 (+222)
23M → 24M
7:18 | 7:18/mi
40K· 24.85 mi
3:12:31
Rank: #10183 (+198)
24M → 40K
6:23 | 7:28/mi
25.2M
3:15:12
Rank: #10089 (+94)
40K → 25.2M
2:41 | 7:47/mi
Finish· 26.22 mi
3:22:26
Rank: #9857 (+232)
25.2M → Finish
7:14 | 7:06/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:42:28
Pace7:49 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:39:58
Pace7:38 /mi
📊Negative Split: 2.4% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5324:528:0024:52
8:00
-
10K
6.21 mi12:09:5848:577:5324:05
7:45
-0:15
15K
9.32 mi12:34:111:13:107:5124:13
7:48
+0:03
20K
12.43 mi12:58:151:37:147:4924:04
7:45
-0:03
Half
13.11 mi13:03:291:42:287:495:14
7:40
-0:05
25K
15.53 mi13:22:182:01:177:4818:49
7:46
+0:06
30K
18.64 mi13:46:452:25:447:4924:27
7:52
+0:06
20M
20.00 mi13:57:182:36:177:4910:33
7:46
-0:06
21M
21.00 mi14:05:142:44:137:497:56
7:56
+0:10
35K
21.75 mi14:10:362:49:357:485:22
7:10
-0:46
23M
23.00 mi14:19:512:58:507:479:15
7:23
+0:13
24M
24.00 mi14:27:093:06:087:457:18
7:18
-0:05
40K
24.85 mi14:33:323:12:317:456:23
7:28
+0:10
25.2M
25.20 mi14:36:133:15:127:452:41
7:47
+0:19
Finish
26.22 mi14:43:273:22:267:447:14
7:06
-0:41

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

7:06 /mi

Average Pace

7:44 /mi

Slowest Pace

8:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:11

72% of race

Time at Steady Pace

57:15

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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 mi11:45:5324:528:0024:52
8:00
#14030
10K
6.21 mi12:09:5848:577:5324:05
7:45
#13393
15K
9.32 mi12:34:111:13:107:5124:13
7:48
#13126
20K
12.43 mi12:58:151:37:147:4924:04
7:45
#12609
Half
13.11 mi13:03:291:42:287:495:14
7:40
#12542
25K
15.53 mi13:22:182:01:177:4818:49
7:46
#12240
30K
18.64 mi13:46:452:25:447:4924:27
7:52
#11761
20M
20.00 mi13:57:182:36:177:4910:33
7:46
#11483
21M
21.00 mi14:05:142:44:137:497:56
7:56
#11159
35K
21.75 mi14:10:362:49:357:485:22
7:10
#10948
23M
23.00 mi14:19:512:58:507:479:15
7:23
#10603
24M
24.00 mi14:27:093:06:087:457:18
7:18
#10381
40K
24.85 mi14:33:323:12:317:456:23
7:28
#10183
25.2M
25.20 mi14:36:133:15:127:452:41
7:47
#10089
Finish
26.22 mi14:43:273:22:267:447:14
7:06
#9857
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi140309955995512669(Top 48%)9373(Top 62%)9373(Top 416%)
10K6.21 mi3.10 mi13393+6379695+2609695+26012673(Top 48%)9407(Top 62%)9407(Top 418%)
15K9.32 mi3.11 mi13126+2679568+1279568+12712669(Top 48%)9373(Top 62%)9373(Top 416%)
20K12.43 mi3.11 mi12609+5179325+2439325+24311260(Top 42%)8693(Top 57%)8693(Top 386%)
Half13.11 mi0.68 mi12542+679297+289297+2811535(Top 43%)8848(Top 58%)8848(Top 393%)
25K15.53 mi2.42 mi12240+3029145+1529145+15210771(Top 40%)8378(Top 55%)8378(Top 372%)
30K18.64 mi3.11 mi11761+4798904+2418904+2419886(Top 37%)7769(Top 51%)7769(Top 345%)
20M20.00 mi1.36 mi11483+2788759+1458759+1458583(Top 32%)6950(Top 46%)6950(Top 309%)
21M21.00 mi1.00 mi11159+3248603+1568603+1566936(Top 26%)5832(Top 38%)5832(Top 259%)
35K21.75 mi0.75 mi10948+2118482+1218482+1216383(Top 24%)5511(Top 36%)5511(Top 245%)
23M23.00 mi1.25 mi10603+3458280+2028280+2025803(Top 22%)5053(Top 33%)5053(Top 224%)
24M24.00 mi1.00 mi10381+2228151+1298151+1296391(Top 24%)5354(Top 35%)5354(Top 238%)
40K24.85 mi0.85 mi10183+1988030+1218030+1216508(Top 24%)5354(Top 35%)5354(Top 238%)
25.2M25.20 mi0.35 mi10089+947964+667964+665312(Top 20%)4492(Top 30%)4492(Top 199%)
Finish26.22 mi1.02 mi9857+2327815+1497815+1495826(Top 22%)4818(Top 32%)4818(Top 214%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12669

Males

9373

M45-49

9373

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12673

Males

9407

M45-49

9407

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12669

Males

9373

M45-49

9373

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11260

Males

8693

M45-49

8693

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11535

Males

8848

M45-49

8848

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10771

Males

8378

M45-49

8378

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9886

Males

7769

M45-49

7769

30K→20M

18.6 - 20.0 mi

Top 32%
×5stories
+64ft-50ft

Overall

8583

Males

6950

M45-49

6950

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6936

Males

5832

M45-49

5832

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6383

Males

5511

M45-49

5511

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5803

Males

5053

M45-49

5053

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6391

Males

5354

M45-49

5354

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6508

Males

5354

M45-49

5354

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5312

Males

4492

M45-49

4492

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5826

Males

4818

M45-49

4818

Passing Analysis

Category:
Athletes Passed
4461*
Passed By
288
Net Change
+4173
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14030
5K → 10K739102+637#14030#13393
10K → 15K36598+267#13393#13126
15K → 20K53619+517#13126#12609
20K → Half758+67#12609#12542
Half → 25K31311+302#12542#12240
25K → 30K50223+479#12240#11761
30K → 20M2846+278#11761#11483
20M → 21M3251+324#11483#11159
21M → 35K2110+211#11159#10948
35K → 23M3461+345#10948#10603
23M → 24M2264+222#10603#10381
24M → 40K2057+198#10381#10183
40K → 25.2M96*2+94#10183#10089
25.2M → Finish238*6+232#10089#9857
TOTALS4461*288+4173

* 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