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BOSTON MARATHON 2025

Leonardo Sanchez Arriaga

Bib: 12556•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 41%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 43%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ 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
7:37/mi
23:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:43/mi
47:38
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:11:42
↑ 67↓ 78
20K· 12.43 mi
7:54/mi
1:36:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:46/mi
1:41:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:54/mi
2:00:42
↑ 66↓ 880.2%
30K· 18.64 mi
8:02/mi
2:25:41
↑ 181↓ 1480.2%
20M
7:58/mi
2:36:31
↑ 64↓ 500.2%
21M
8:12/mi
2:44:43
↑ 106↓ 241.6%
35K· 21.75 mi
7:42/mi
2:50:29
↑ 17↓ 861.7%
23M
7:47/mi
3:00:14
↑ 23↓ 630.6%
24M
7:38/mi
3:07:52
↓ 821.3%
40K· 24.85 mi
7:40/mi
3:14:25
↓ 200.3%
25.2M
8:19/mi
3:17:17
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:25:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:32
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:43:28
Pace7:54 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0823:417:3723:41
7:37
-
10K
6.21 mi11:15:0547:387:4023:57
7:43
+0:06
15K
9.32 mi11:39:091:11:427:4224:04
7:45
+0:02
20K
12.43 mi12:03:411:36:147:4524:32
7:54
+0:09
Half
13.11 mi12:08:591:41:327:455:18
7:46
-0:08
25K
15.53 mi12:28:092:00:427:4619:10
7:54
+0:08
30K
18.64 mi12:53:082:25:417:4924:59
8:02
+0:08
20M
20.00 mi13:03:582:36:317:5010:50
7:58
-0:04
21M
21.00 mi13:12:102:44:437:518:12
8:12
+0:14
35K
21.75 mi13:17:562:50:297:505:46
7:42
-0:30
23M
23.00 mi13:27:413:00:147:509:45
7:47
+0:05
24M
24.00 mi13:35:193:07:527:507:38
7:38
-0:09
40K
24.85 mi13:41:523:14:257:496:33
7:40
+0:02
25.2M
25.20 mi13:44:443:17:177:502:52
8:19
+0:39
Finish
26.22 mi13:52:273:25:007:497:43
7:34
-0:45

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

7:34 /mi

Average Pace

7:49 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:38:07

77% of race

Time at Steady Pace

46:53

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi10:51:0823:417:3723:41
7:37
#13303
10K
6.21 mi11:15:0547:387:4023:57
7:43
#13632
15K
9.32 mi11:39:091:11:427:4224:04
7:45
#13682
20K
12.43 mi12:03:411:36:147:4524:32
7:54
#13736
Half
13.11 mi12:08:591:41:327:455:18
7:46
#13749
25K
15.53 mi12:28:092:00:427:4619:10
7:54
#13616
30K
18.64 mi12:53:082:25:417:4924:59
8:02
#13219
20M
20.00 mi13:03:582:36:317:5010:50
7:58
#12947
21M
21.00 mi13:12:102:44:437:518:12
8:12
#12645
35K
21.75 mi13:17:562:50:297:505:46
7:42
#12529
23M
23.00 mi13:27:413:00:147:509:45
7:47
#12255
24M
24.00 mi13:35:193:07:527:507:38
7:38
#12071
40K
24.85 mi13:41:523:14:257:496:33
7:40
#11873
25.2M
25.20 mi13:44:443:17:177:502:52
8:19
#11796
Finish
26.22 mi13:52:273:25:007:497:43
7:34
#11682
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi133039770977013886(Top 49%)9894(Top 61%)9894(Top 415%)
10K6.21 mi3.10 mi13632-3299866-969866-9613952(Top 49%)9973(Top 62%)9973(Top 418%)
15K9.32 mi3.11 mi13682-509854+129854+1213886(Top 49%)9894(Top 61%)9894(Top 415%)
20K12.43 mi3.11 mi13736-549835+199835+1914033(Top 49%)9874(Top 61%)9874(Top 414%)
Half13.11 mi0.68 mi13749-139825+109825+1013888(Top 49%)9832(Top 61%)9832(Top 412%)
25K15.53 mi2.42 mi13616+1339751+749751+7413108(Top 46%)9339(Top 58%)9339(Top 391%)
30K18.64 mi3.11 mi13219+3979504+2479504+24711671(Top 41%)8509(Top 53%)8509(Top 357%)
20M20.00 mi1.36 mi12947+2729363+1419363+14110250(Top 36%)7668(Top 48%)7668(Top 321%)
21M21.00 mi1.00 mi12645+3029199+1649199+1648595(Top 30%)6603(Top 41%)6603(Top 277%)
35K21.75 mi0.75 mi12529+1169121+789121+7810119(Top 36%)7429(Top 46%)7429(Top 311%)
23M23.00 mi1.25 mi12255+2748951+1708951+1708498(Top 30%)6446(Top 40%)6446(Top 270%)
24M24.00 mi1.00 mi12071+1848831+1208831+1208656(Top 30%)6476(Top 40%)6476(Top 271%)
40K24.85 mi0.85 mi11873+1988701+1308701+1307833(Top 28%)5908(Top 37%)5908(Top 248%)
25.2M25.20 mi0.35 mi11796+778649+528649+527717(Top 27%)5776(Top 36%)5776(Top 242%)
Finish26.22 mi1.02 mi11682+1148556+938556+939719(Top 34%)6830(Top 42%)6830(Top 286%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13886

Males

9894

M45-49

9894

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13952

Males

9973

M45-49

9973

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13886

Males

9894

M45-49

9894

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

14033

Males

9874

M45-49

9874

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

13888

Males

9832

M45-49

9832

Half→25K

13.1 - 15.5 mi

Top 46%
×4story building
+66ft-88ft

Overall

13108

Males

9339

M45-49

9339

25K→30K

15.5 - 18.6 mi

Top 41%
×9story building
+181ft-148ft

Overall

11671

Males

8509

M45-49

8509

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

10250

Males

7668

M45-49

7668

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8595

Males

6603

M45-49

6603

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10119

Males

7429

M45-49

7429

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8498

Males

6446

M45-49

6446

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8656

Males

6476

M45-49

6476

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7833

Males

5908

M45-49

5908

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7717

Males

5776

M45-49

5776

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9719

Males

6830

M45-49

6830

Passing Analysis

Category:
Athletes Passed
2872
Passed By
1251
Net Change
+1621
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13303
5K → 10K163492-329#13303#13632
10K → 15K187237-50#13632#13682
15K → 20K188242-54#13682#13736
20K → Half3043-13#13736#13749
Half → 25K235102+133#13749#13616
25K → 30K46366+397#13616#13219
30K → 20M2775+272#13219#12947
20M → 21M3042+302#12947#12645
21M → 35K12812+116#12645#12529
35K → 23M2773+274#12529#12255
23M → 24M1928+184#12255#12071
24M → 40K2035+198#12071#11873
40K → 25.2M825+77#11873#11796
25.2M → Finish14329+114#11796#11682
TOTALS28721251+1621
📊

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