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BOSTON MARATHON 2025

Alejandro Ruiz Salazar

Bib: 3591•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 32%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:03
Rank: #6106
Start → 5K
21:03 | 6:47/mi
10K· 6.21 mi
41:45
Rank: #5538 (+568)
5K → 10K
20:42 | 6:40/mi
15K· 9.32 mi
1:02:45
Rank: #5546 (-8)
10K → 15K
21:00 | 6:46/mi
20K· 12.43 mi
1:23:16
Rank: #4987 (+559)
15K → 20K
20:31 | 6:36/mi
Half· 13.11 mi
1:27:34
Rank: #4820 (+167)
20K → Half
4:18 | 6:18/mi
25K· 15.53 mi
1:43:18
Rank: #4367 (+453)
Half → 25K
15:44 | 6:29/mi
30K· 18.64 mi
2:03:36
Rank: #3831 (+536)
25K → 30K
20:18 | 6:32/mi
20M
2:12:15
Rank: #3557 (+274)
30K → 20M
8:39 | 6:22/mi
21M
2:18:47
Rank: #3282 (+275)
20M → 21M
6:32 | 6:32/mi
35K· 21.75 mi
2:23:13
Rank: #3097 (+185)
21M → 35K
4:26 | 5:56/mi
23M
2:30:52
Rank: #2823 (+274)
35K → 23M
7:39 | 6:07/mi
24M
2:36:48
Rank: #2635 (+188)
23M → 24M
5:56 | 5:56/mi
40K· 24.85 mi
2:41:54
Rank: #2481 (+154)
24M → 40K
5:06 | 5:58/mi
25.2M
2:44:15
Rank: #2434 (+47)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:50:15
Rank: #2311 (+123)
25.2M → Finish
6:00 | 5:53/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:27:34
Pace6:41 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:22:41
Pace6:18 /mi
📊Negative Split: 5.6% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4921:036:4721:03
6:47
-
10K
6.21 mi10:43:3141:456:4320:42
6:40
-0:07
15K
9.32 mi11:04:311:02:456:4421:00
6:46
+0:06
20K
12.43 mi11:25:021:23:166:4220:31
6:36
-0:10
Half
13.11 mi11:29:201:27:346:414:18
6:18
-0:18
25K
15.53 mi11:45:041:43:186:3915:44
6:29
+0:11
30K
18.64 mi12:05:222:03:366:3820:18
6:32
+0:03
20M
20.00 mi12:14:012:12:156:378:39
6:22
-0:10
21M
21.00 mi12:20:332:18:476:376:32
6:32
+0:10
35K
21.75 mi12:24:592:23:136:354:26
5:56
-0:36
23M
23.00 mi12:32:382:30:526:347:39
6:07
+0:11
24M
24.00 mi12:38:342:36:486:325:56
5:56
-0:11
40K
24.85 mi12:43:402:41:546:315:06
5:58
+0:02
25.2M
25.20 mi12:46:012:44:156:312:21
6:49
+0:51
Finish
26.22 mi12:52:012:50:156:306:00
5:53
-0:56

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

5:53 /mi

Average Pace

6:30 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

42:04

25% of race

Time at Steady Pace

2:08:11

75% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:30 /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 mi10:22:4921:036:4721:03
6:47
#6106
10K
6.21 mi10:43:3141:456:4320:42
6:40
#5538
15K
9.32 mi11:04:311:02:456:4421:00
6:46
#5546
20K
12.43 mi11:25:021:23:166:4220:31
6:36
#4987
Half
13.11 mi11:29:201:27:346:414:18
6:18
#4820
25K
15.53 mi11:45:041:43:186:3915:44
6:29
#4367
30K
18.64 mi12:05:222:03:366:3820:18
6:32
#3831
20M
20.00 mi12:14:012:12:156:378:39
6:22
#3557
21M
21.00 mi12:20:332:18:476:376:32
6:32
#3282
35K
21.75 mi12:24:592:23:136:354:26
5:56
#3097
23M
23.00 mi12:32:382:30:526:347:39
6:07
#2823
24M
24.00 mi12:38:342:36:486:325:56
5:56
#2635
40K
24.85 mi12:43:402:41:546:315:06
5:58
#2481
25.2M
25.20 mi12:46:012:44:156:312:21
6:49
#2434
Finish
26.22 mi12:52:012:50:156:306:00
5:53
#2311
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6106560056005662(Top 20%)5166(Top 32%)5166(Top 92%)
10K6.21 mi3.10 mi5538+5685118+4825118+4824974(Top 18%)4640(Top 29%)4640(Top 82%)
15K9.32 mi3.11 mi5546-85119-15119-15662(Top 20%)5166(Top 32%)5166(Top 92%)
20K12.43 mi3.11 mi4987+5594643+4764643+4763704(Top 13%)3497(Top 22%)3497(Top 62%)
Half13.11 mi0.68 mi4820+1674491+1524491+1522503(Top 9%)2392(Top 15%)2392(Top 42%)
25K15.53 mi2.42 mi4367+4534094+3974094+3972816(Top 10%)2678(Top 17%)2678(Top 47%)
30K18.64 mi3.11 mi3831+5363610+4843610+4842129(Top 7%)2021(Top 13%)2021(Top 36%)
20M20.00 mi1.36 mi3557+2743357+2533357+2531144(Top 4%)1080(Top 7%)1080(Top 19%)
21M21.00 mi1.00 mi3282+2753104+2533104+253772(Top 3%)731(Top 5%)731(Top 13%)
35K21.75 mi0.75 mi3097+1852933+1712933+171594(Top 2%)553(Top 3%)553(Top 10%)
23M23.00 mi1.25 mi2823+2742677+2562677+256510(Top 2%)482(Top 3%)482(Top 9%)
24M24.00 mi1.00 mi2635+1882502+1752502+175471(Top 2%)437(Top 3%)437(Top 8%)
40K24.85 mi0.85 mi2481+1542354+1482354+148357(Top 1%)331(Top 2%)331(Top 6%)
25.2M25.20 mi0.35 mi2434+472308+462308+461037(Top 4%)955(Top 6%)955(Top 17%)
Finish26.22 mi1.02 mi2311+1232193+1152193+115665(Top 2%)626(Top 4%)626(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5662

Males

5166

M18-39

5166

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4974

Males

4640

M18-39

4640

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5662

Males

5166

M18-39

5166

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3704

Males

3497

M18-39

3497

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2503

Males

2392

M18-39

2392

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2816

Males

2678

M18-39

2678

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2129

Males

2021

M18-39

2021

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1144

Males

1080

M18-39

1080

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

772

Males

731

M18-39

731

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

594

Males

553

M18-39

553

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

510

Males

482

M18-39

482

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

471

Males

437

M18-39

437

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

357

Males

331

M18-39

331

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1037

Males

955

M18-39

955

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

665

Males

626

M18-39

626

Passing Analysis

Category:
Athletes Passed
3955
Passed By
160
Net Change
+3795
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6106
5K → 10K59224+568#6106#5538
10K → 15K121129-8#5538#5546
15K → 20K5623+559#5546#4987
20K → Half1670+167#4987#4820
Half → 25K4541+453#4820#4367
25K → 30K5371+536#4367#3831
30K → 20M2740+274#3831#3557
20M → 21M2750+275#3557#3282
21M → 35K1850+185#3282#3097
35K → 23M2740+274#3097#2823
23M → 24M1880+188#2823#2635
24M → 40K1540+154#2635#2481
40K → 25.2M481+47#2481#2434
25.2M → Finish1241+123#2434#2311
TOTALS3955160+3795
📊

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