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BOSTON MARATHON 2026

Leonardo Sanchez Arriaga

Bib: 15202•M

VA

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 37%
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Top 40%
Age Group (M50-54)
#0 / 1868
Top 42%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
23:24
3.11 mi
Rank: #13030
Start → 5K
23:24 | 7:32/mi
10K
47:02
6.21 mi
Rank: #13438 (-408)
5K → 10K
23:38 | 7:37/mi
15K
1:10:31
9.32 mi
Rank: #13344 (+94)
10K → 15K
23:29 | 7:34/mi
20K
1:34:14
12.43 mi
Rank: #13295 (+49)
15K → 20K
23:43 | 7:39/mi
HALF
1:39:20
13.11 mi
Rank: #13272 (+23)
20K → HALF
5:06 | 7:29/mi
25K
1:57:25
15.53 mi
Rank: #12914 (+358)
HALF → 25K
18:05 | 7:28/mi
30K
2:20:45
18.64 mi
Rank: #12289 (+625)
25K → 30K
23:20 | 7:31/mi
20M
2:30:44
20.00 mi
Rank: #11961 (+328)
30K → 20M
9:59 | 7:21/mi
21M
2:38:37
21.00 mi
Rank: #11765 (+196)
20M → 21M
7:53 | 7:53/mi
35K
2:44:33
21.75 mi
Rank: #11827 (-62)
21M → 35K
5:56 | 7:56/mi
23M
2:53:48
23.00 mi
Rank: #11552 (+275)
35K → 23M
9:15 | 7:24/mi
24M
3:01:05
24.00 mi
Rank: #11340 (+212)
23M → 24M
7:17 | 7:17/mi
40K
3:07:17
24.85 mi
Rank: #11140 (+200)
24M → 40K
6:12 | 7:16/mi
25.2M
3:09:55
25.20 mi
Rank: #11034 (+106)
40K → 25.2M
2:38 | 7:39/mi
FINISH
3:16:59
26.22 mi
Rank: #10855 (+179)
25.2M → FINISH
7:04 | 6:57/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:39:20
Pace7:35 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:39
Pace7:27 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:4823:247:3223:24
7:32
-
10K
6.21 mi11:18:2647:027:3523:38
7:37
+0:05
15K
9.32 mi11:41:551:10:317:3423:29
7:34
-0:03
20K
12.43 mi12:05:381:34:147:3523:43
7:39
+0:05
HALF
13.11 mi12:10:441:39:207:355:06
7:29
-0:10
25K
15.53 mi12:28:491:57:257:3418:05
7:28
-0:01
30K
18.64 mi12:52:092:20:457:3423:20
7:31
+0:03
20M
20.00 mi13:02:082:30:447:339:59
7:21
-0:10
21M
21.00 mi13:10:012:38:377:347:53
7:53
+0:32
35K
21.75 mi13:15:572:44:337:345:56
7:56
+0:03
23M
23.00 mi13:25:122:53:487:349:15
7:24
-0:32
24M
24.00 mi13:32:293:01:057:337:17
7:17
-0:07
40K
24.85 mi13:38:413:07:177:336:12
7:16
-0:01
25.2M
25.20 mi13:41:193:09:557:332:38
7:39
+0:23
FINISH
26.22 mi13:48:233:16:597:327:04
6:57
-0:42

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:57 /mi

Average Pace

7:31 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

2:36:49

80% of race

Time at Steady Pace

40:10

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:54:4823:247:3223:24
7:32
#13030
10K
6.21 mi11:18:2647:027:3523:38
7:37
#13438
15K
9.32 mi11:41:551:10:317:3423:29
7:34
#13344
20K
12.43 mi12:05:381:34:147:3523:43
7:39
#13295
HALF
13.11 mi12:10:441:39:207:355:06
7:29
#13272
25K
15.53 mi12:28:491:57:257:3418:05
7:28
#12914
30K
18.64 mi12:52:092:20:457:3423:20
7:31
#12289
20M
20.00 mi13:02:082:30:447:339:59
7:21
#11961
21M
21.00 mi13:10:012:38:377:347:53
7:53
#11765
35K
21.75 mi13:15:572:44:337:345:56
7:56
#11827
23M
23.00 mi13:25:122:53:487:349:15
7:24
#11552
24M
24.00 mi13:32:293:01:057:337:17
7:17
#11340
40K
24.85 mi13:38:413:07:177:336:12
7:16
#11140
25.2M
25.20 mi13:41:193:09:557:332:38
7:39
#11034
FINISH
26.22 mi13:48:233:16:597:327:04
6:57
#10855
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi130309470947013288(Top 46%)9489(Top 58%)9489(Top 508%)
10K6.21 mi3.10 mi13438-4089615-1459615-14513913(Top 48%)9794(Top 60%)9794(Top 524%)
15K9.32 mi3.11 mi13344+949543+729543+7213288(Top 46%)9489(Top 58%)9489(Top 508%)
20K12.43 mi3.11 mi13295+499501+429501+4213110(Top 45%)9334(Top 57%)9334(Top 500%)
HALF13.11 mi0.68 mi13272+239488+139488+1312777(Top 44%)9246(Top 57%)9246(Top 495%)
25K15.53 mi2.42 mi12914+3589313+1759313+17511045(Top 38%)8349(Top 51%)8349(Top 447%)
30K18.64 mi3.11 mi12289+6258998+3158998+3159739(Top 34%)7559(Top 46%)7559(Top 405%)
20M20.00 mi1.36 mi11961+3288835+1638835+1638040(Top 28%)6534(Top 40%)6534(Top 350%)
21M21.00 mi1.00 mi11765+1968733+1028733+1029097(Top 31%)7003(Top 43%)7003(Top 375%)
35K21.75 mi0.75 mi11827-628752-198752-1913932(Top 48%)9271(Top 57%)9271(Top 496%)
23M23.00 mi1.25 mi11552+2758605+1478605+1478069(Top 28%)6382(Top 39%)6382(Top 342%)
24M24.00 mi1.00 mi11340+2128481+1248481+1248477(Top 29%)6518(Top 40%)6518(Top 349%)
40K24.85 mi0.85 mi11140+2008351+1308351+1307119(Top 25%)5684(Top 35%)5684(Top 304%)
25.2M25.20 mi0.35 mi11034+1068289+628289+626069(Top 21%)4988(Top 31%)4988(Top 267%)
FINISH26.22 mi1.02 mi10855+1798173+1168173+1167051(Top 24%)5532(Top 34%)5532(Top 296%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21
+97ft-345ft

Overall

13288

Males

9489

M50-54

9489

5K→10K

3.1 - 6.2 mi

Top 48%
×5
+79ft-138ft

Overall

13913

Males

9794

M50-54

9794

10K→15K

6.2 - 9.3 mi

Top 46%
×3
+67ft-78ft

Overall

13288

Males

9489

M50-54

9489

15K→20K

9.3 - 12.4 mi

Top 45%
×5
+106ft-86ft

Overall

13110

Males

9334

M50-54

9334

20K→HALF

12.4 - 13.1 mi

Top 44%
×2
+19ft-37ft

Overall

12777

Males

9246

M50-54

9246

HALF→25K

13.1 - 15.5 mi

Top 38%
×4
+66ft-88ft

Overall

11045

Males

8349

M50-54

8349

25K→30K

15.5 - 18.6 mi

Top 34%
×9
+181ft-148ft

Overall

9739

Males

7559

M50-54

7559

30K→20M

18.6 - 20.0 mi

Top 28%
×5
+64ft-50ft

Overall

8040

Males

6534

M50-54

6534

20M→21M

20.0 - 21.0 mi

Top 31%
×8
+106ft-24ft

Overall

9097

Males

7003

M50-54

7003

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

13932

Males

9271

M50-54

9271

35K→23M

21.8 - 23.0 mi

Top 28%
×5
+23ft-63ft

Overall

8069

Males

6382

M50-54

6382

23M→24M

23.0 - 24.0 mi

Top 29%
×6
+12ft-82ft

Overall

8477

Males

6518

M50-54

6518

24M→40K

24.0 - 24.9 mi

Top 25%
×1
+6ft-20ft

Overall

7119

Males

5684

M50-54

5684

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1
+13ft-16ft

Overall

6069

Males

4988

M50-54

4988

25.2M→FINISH

25.2 - 26.2 mi

Top 24%
×2
+22ft-21ft

Overall

7051

Males

5532

M50-54

5532

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3162
Passed By
987
Net Change
+2175
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13030
5K → 10K125533-408#13030#13438
10K → 15K240146+94#13438#13344
15K → 20K190141+49#13344#13295
20K → HALF4219+23#13295#13272
HALF → 25K3657+358#13272#12914
25K → 30K6327+625#12914#12289
30K → 20M3280+328#12289#11961
20M → 21M2048+196#11961#11765
21M → 35K43105-62#11765#11827
35K → 23M2772+275#11827#11552
23M → 24M2164+212#11552#11340
24M → 40K2033+200#11340#11140
40K → 25.2M1071+106#11140#11034
25.2M → FINISH19011+179#11034#10855
TOTALS3162987+2175
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing