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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Luis San Pedro Alarcon

Bib: 30392 •M •Age: N/A

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M45-49)
#0 / 2413
Race Day Weather
51°/41°F
overcast clouds
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  • Segment-by-segment breakdown
  • Personalized race insights
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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
27:46
3.11 mi
Rank: #22332
Start → 5K
27:46 | 8:57/mi
10K
54:06
6.21 mi
Rank: #21341 (+991)
5K → 10K
26:20 | 8:29/mi
15K
1:20:00
9.32 mi
Rank: #20632 (+709)
10K → 15K
25:54 | 8:21/mi
20K
1:47:35
12.43 mi
Rank: #20823 (-191)
15K → 20K
27:35 | 8:53/mi
HALF
1:53:10
13.11 mi
Rank: #20692 (+131)
20K → HALF
5:35 | 8:12/mi
25K
2:13:21
15.53 mi
Rank: #20202 (+490)
HALF → 25K
20:11 | 8:20/mi
30K
2:40:12
18.64 mi
Rank: #19747 (+455)
25K → 30K
26:51 | 8:39/mi
20M
2:51:33
20.00 mi
Rank: #19434 (+313)
30K → 20M
11:21 | 8:22/mi
21M
2:59:36
21.00 mi
Rank: #18989 (+445)
20M → 21M
8:03 | 8:03/mi
35K
3:05:15
21.75 mi
Rank: #18717 (+272)
21M → 35K
5:39 | 7:34/mi
23M
3:15:30
23.00 mi
Rank: #18443 (+274)
35K → 23M
10:15 | 8:12/mi
24M
3:23:27
24.00 mi
Rank: #18254 (+189)
23M → 24M
7:57 | 7:57/mi
40K
3:30:17
24.85 mi
Rank: #18019 (+235)
24M → 40K
6:50 | 8:00/mi
25.2M
3:33:12
25.20 mi
Rank: #17907 (+112)
40K → 25.2M
2:55 | 8:28/mi
FINISH
3:41:15
26.22 mi
Rank: #17763 (+144)
25.2M → FINISH
8:03 | 7:54/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:53:10
Pace8:38 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:48:05
Pace8:15 /mi
📊Negative Split: 4.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:3327:468:5727:46
8:57
-
10K
6.21 mi12:22:5354:068:4326:20
8:29
-0:28
15K
9.32 mi12:48:471:20:008:3525:54
8:21
-0:08
20K
12.43 mi13:16:221:47:358:4027:35
8:53
+0:32
HALF
13.11 mi13:21:571:53:108:385:35
8:12
-0:41
25K
15.53 mi13:42:082:13:218:3620:11
8:20
+0:08
30K
18.64 mi14:08:592:40:128:3626:51
8:39
+0:19
20M
20.00 mi14:20:202:51:338:3511:21
8:22
-0:17
21M
21.00 mi14:28:232:59:368:348:03
8:03
-0:19
35K
21.75 mi14:34:023:05:158:325:39
7:34
-0:29
23M
23.00 mi14:44:173:15:308:3110:15
8:12
+0:38
24M
24.00 mi14:52:143:23:278:297:57
7:57
-0:15
40K
24.85 mi14:59:043:30:178:286:50
8:00
+0:03
25.2M
25.20 mi15:01:593:33:128:282:55
8:28
+0:28
FINISH
26.22 mi15:10:023:41:158:278:03
7:54
-0:34

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

7:34 /mi

Average Pace

8:27 /mi

Slowest Pace

8:57 /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

52:22

24% of race

Time at Steady Pace

2:21:07

64% of race

Time at Slower Pace

27:46

13% of race

Average Pace: 8:26 /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 mi11:56:3327:468:5727:46
8:57
#22332
10K
6.21 mi12:22:5354:068:4326:20
8:29
#21341
15K
9.32 mi12:48:471:20:008:3525:54
8:21
#20632
20K
12.43 mi13:16:221:47:358:4027:35
8:53
#20823
HALF
13.11 mi13:21:571:53:108:385:35
8:12
#20692
25K
15.53 mi13:42:082:13:218:3620:11
8:20
#20202
30K
18.64 mi14:08:592:40:128:3626:51
8:39
#19747
20M
20.00 mi14:20:202:51:338:3511:21
8:22
#19434
21M
21.00 mi14:28:232:59:368:348:03
8:03
#18989
35K
21.75 mi14:34:023:05:158:325:39
7:34
#18717
23M
23.00 mi14:44:173:15:308:3110:15
8:12
#18443
24M
24.00 mi14:52:143:23:278:297:57
7:57
#18254
40K
24.85 mi14:59:043:30:178:286:50
8:00
#18019
25.2M
25.20 mi15:01:593:33:128:282:55
8:28
#17907
FINISH
26.22 mi15:10:023:41:158:278:03
7:54
#17763
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi22332133891338919187(Top 66%)11961(Top 73%)11961(Top 496%)
10K6.21 mi3.10 mi21341+99112920+46912920+46920203(Top 70%)12406(Top 76%)12406(Top 514%)
15K9.32 mi3.11 mi20632+70912603+31712603+31719187(Top 66%)11961(Top 73%)11961(Top 496%)
20K12.43 mi3.11 mi20823-19112678-7512678-7521363(Top 74%)12943(Top 79%)12943(Top 536%)
HALF13.11 mi0.68 mi20692+13112617+6112617+6118299(Top 63%)11568(Top 71%)11568(Top 479%)
25K15.53 mi2.42 mi20202+49012374+24312374+24317544(Top 60%)11168(Top 68%)11168(Top 463%)
30K18.64 mi3.11 mi19747+45512145+22912145+22917686(Top 61%)11116(Top 68%)11116(Top 461%)
20M20.00 mi1.36 mi19434+31311985+16011985+16015258(Top 53%)9992(Top 61%)9992(Top 414%)
21M21.00 mi1.00 mi18989+44511782+20311782+20310227(Top 35%)7605(Top 47%)7605(Top 315%)
35K21.75 mi0.75 mi18717+27211645+13711645+13711253(Top 39%)8099(Top 50%)8099(Top 336%)
23M23.00 mi1.25 mi18443+27411514+13111514+13113732(Top 47%)9130(Top 56%)9130(Top 378%)
24M24.00 mi1.00 mi18254+18911404+11011404+11013390(Top 46%)8890(Top 54%)8890(Top 368%)
40K24.85 mi0.85 mi18019+23511279+12511279+12512435(Top 43%)8384(Top 51%)8384(Top 347%)
25.2M25.20 mi0.35 mi17907+11211220+5911220+5911335(Top 39%)7800(Top 48%)7800(Top 323%)
FINISH26.22 mi1.02 mi17763+14411140+8011140+8014489(Top 50%)9276(Top 57%)9276(Top 384%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21
+97ft-345ft

Overall

19187

Males

11961

M45-49

11961

5K→10K

3.1 - 6.2 mi

Top 70%
×5
+79ft-138ft

Overall

20203

Males

12406

M45-49

12406

10K→15K

6.2 - 9.3 mi

Top 66%
×3
+67ft-78ft

Overall

19187

Males

11961

M45-49

11961

15K→20K

9.3 - 12.4 mi

Top 74%
×5
+106ft-86ft

Overall

21363

Males

12943

M45-49

12943

20K→HALF

12.4 - 13.1 mi

Top 63%
×2
+19ft-37ft

Overall

18299

Males

11568

M45-49

11568

HALF→25K

13.1 - 15.5 mi

Top 60%
×4
+66ft-88ft

Overall

17544

Males

11168

M45-49

11168

25K→30K

15.5 - 18.6 mi

Top 61%
×9
+181ft-148ft

Overall

17686

Males

11116

M45-49

11116

30K→20M

18.6 - 20.0 mi

Top 53%
×5
+64ft-50ft

Overall

15258

Males

9992

M45-49

9992

20M→21M

20.0 - 21.0 mi

Top 35%
×8
+106ft-24ft

Overall

10227

Males

7605

M45-49

7605

21M→35K

21.0 - 21.8 mi

Top 39%
×7
+17ft-86ft

Overall

11253

Males

8099

M45-49

8099

35K→23M

21.8 - 23.0 mi

Top 47%
×5
+23ft-63ft

Overall

13732

Males

9130

M45-49

9130

23M→24M

23.0 - 24.0 mi

Top 46%
×6
+12ft-82ft

Overall

13390

Males

8890

M45-49

8890

24M→40K

24.0 - 24.9 mi

Top 43%
×1
+6ft-20ft

Overall

12435

Males

8384

M45-49

8384

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11335

Males

7800

M45-49

7800

25.2M→FINISH

25.2 - 26.2 mi

Top 50%
×2
+22ft-21ft

Overall

14489

Males

9276

M45-49

9276

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
4978*
Passed By
303
Net Change
+4569
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22332
5K → 10K1037*46+991#22332#21341
10K → 15K734*25+709#21341#20632
15K → 20K115200-191#20632#20823
20K → HALF1310+131#20823#20692
HALF → 25K495*5+490#20692#20202
25K → 30K466*11+455#20202#19747
30K → 20M314*1+313#19747#19434
20M → 21M445*0+445#19434#18989
21M → 35K272*0+272#18989#18717
35K → 23M274*0+274#18717#18443
23M → 24M1912+189#18443#18254
24M → 40K236*1+235#18254#18019
40K → 25.2M1120+112#18019#17907
25.2M → FINISH15612+144#17907#17763
TOTALS4978*303+4569

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

📊

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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Activity Data

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