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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Alonso Vizcarra

Bib: 2290 β€’M β€’Age: N/A

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Top 3%
Gender (Male)
#0 / 16340
Top 6%
Age Group (M18-39)
#0 / 5723
Top 14%
Race Day Weather
51Β°/41Β°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
18:37
3.11 mi
Rank: #1159
Start β†’ 5K
18:37 | 6:00/mi
10K
37:02
6.21 mi
Rank: #1113 (+46)
5K β†’ 10K
18:25 | 5:56/mi
15K
55:35
9.32 mi
Rank: #1143 (-30)
10K β†’ 15K
18:33 | 5:59/mi
20K
1:14:21
12.43 mi
Rank: #1181 (-38)
15K β†’ 20K
18:46 | 6:03/mi
HALF
1:18:25
13.11 mi
Rank: #1185 (-4)
20K β†’ HALF
4:04 | 5:58/mi
25K
1:33:02
15.53 mi
Rank: #1169 (+16)
HALF β†’ 25K
14:37 | 6:02/mi
30K
1:52:13
18.64 mi
Rank: #1153 (+16)
25K β†’ 30K
19:11 | 6:11/mi
20M
2:00:36
20.00 mi
Rank: #1145 (+8)
30K β†’ 20M
8:23 | 6:11/mi
21M
2:07:03
21.00 mi
Rank: #1128 (+17)
20M β†’ 21M
6:27 | 6:27/mi
35K
2:11:32
21.75 mi
Rank: #1118 (+10)
21M β†’ 35K
4:29 | 6:00/mi
23M
2:19:11
23.00 mi
Rank: #1077 (+41)
35K β†’ 23M
7:39 | 6:07/mi
24M
2:24:56
24.00 mi
Rank: #1022 (+55)
23M β†’ 24M
5:45 | 5:45/mi
40K
2:30:01
24.85 mi
Rank: #990 (+32)
24M β†’ 40K
5:05 | 5:57/mi
25.2M
2:32:16
25.20 mi
Rank: #977 (+13)
40K β†’ 25.2M
2:15 | 6:32/mi
FINISH
2:38:05
26.22 mi
Rank: #948 (+29)
25.2M β†’ FINISH
5:49 | 5:43/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:18:25
Pace5:59 /mi
2nd Half
Distance13.11 mi
Time1:19:40
Pace6:05 /mi
πŸ“ŠPositive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3618:376:0018:37
6:00
-
10K
6.21 mi10:38:0137:025:5818:25
5:56
-0:04
15K
9.32 mi10:56:3455:355:5818:33
5:59
+0:03
20K
12.43 mi11:15:201:14:215:5918:46
6:03
+0:04
HALF
13.11 mi11:19:241:18:255:594:04
5:58
-0:05
25K
15.53 mi11:34:011:33:026:0014:37
6:02
+0:04
30K
18.64 mi11:53:121:52:136:0219:11
6:11
+0:09
20M
20.00 mi12:01:352:00:366:028:23
6:11
0:00
21M
21.00 mi12:08:022:07:036:046:27
6:27
+0:16
35K
21.75 mi12:12:312:11:326:034:29
6:00
-0:27
23M
23.00 mi12:20:102:19:116:047:39
6:07
+0:07
24M
24.00 mi12:25:552:24:566:035:45
5:45
-0:22
40K
24.85 mi12:31:002:30:016:035:05
5:57
+0:12
25.2M
25.20 mi12:33:152:32:166:032:15
6:32
+0:35
FINISH
26.22 mi12:39:042:38:056:035:49
5:43
-0:49

Checkpoint Splits Visualizations

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

πŸ“ˆPace 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

5:43 /mi

Average Pace

6:02 /mi

Slowest Pace

6:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

πŸ“ŠSegments

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

2:29:23

94% of race

Time at Steady Pace

8:42

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:02 /mi

Loading chart...
Faster pace (< avg)
Steady pace (β‰ˆ 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 mi10:19:3618:376:0018:37
6:00
#1159
10K
6.21 mi10:38:0137:025:5818:25
5:56
#1113
15K
9.32 mi10:56:3455:355:5818:33
5:59
#1143
20K
12.43 mi11:15:201:14:215:5918:46
6:03
#1181
HALF
13.11 mi11:19:241:18:255:594:04
5:58
#1185
25K
15.53 mi11:34:011:33:026:0014:37
6:02
#1169
30K
18.64 mi11:53:121:52:136:0219:11
6:11
#1153
20M
20.00 mi12:01:352:00:366:028:23
6:11
#1145
21M
21.00 mi12:08:022:07:036:046:27
6:27
#1128
35K
21.75 mi12:12:312:11:326:034:29
6:00
#1118
23M
23.00 mi12:20:102:19:116:047:39
6:07
#1077
24M
24.00 mi12:25:552:24:566:035:45
5:45
#1022
40K
24.85 mi12:31:002:30:016:035:05
5:57
#990
25.2M
25.20 mi12:33:152:32:166:032:15
6:32
#977
FINISH
26.22 mi12:39:042:38:056:035:49
5:43
#948
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1159110511051238(Top 4%)1189(Top 7%)1189(Top 21%)
10K6.21 mi3.10 mi1113+461064+411064+411083(Top 4%)1039(Top 6%)1039(Top 18%)
15K9.32 mi3.11 mi1143-301095-311095-311238(Top 4%)1189(Top 7%)1189(Top 21%)
20K12.43 mi3.11 mi1181-381133-381133-381338(Top 5%)1290(Top 8%)1290(Top 23%)
HALF13.11 mi0.68 mi1185-41137-41137-41370(Top 5%)1320(Top 8%)1320(Top 23%)
25K15.53 mi2.42 mi1169+161124+131124+131201(Top 4%)1155(Top 7%)1155(Top 20%)
30K18.64 mi3.11 mi1153+161108+161108+161205(Top 4%)1163(Top 7%)1163(Top 20%)
20M20.00 mi1.36 mi1145+81101+71101+71119(Top 4%)1077(Top 7%)1077(Top 19%)
21M21.00 mi1.00 mi1128+171084+171084+171133(Top 4%)1087(Top 7%)1087(Top 19%)
35K21.75 mi0.75 mi1118+101073+111073+111222(Top 4%)1177(Top 7%)1177(Top 21%)
23M23.00 mi1.25 mi1077+411032+411032+41980(Top 3%)939(Top 6%)939(Top 16%)
24M24.00 mi1.00 mi1022+55977+55977+55506(Top 2%)481(Top 3%)481(Top 8%)
40K24.85 mi0.85 mi990+32946+31946+31680(Top 2%)649(Top 4%)649(Top 11%)
25.2M25.20 mi0.35 mi977+13934+12934+121063(Top 4%)1005(Top 6%)1005(Top 18%)
FINISH26.22 mi1.02 mi948+29906+28906+28780(Top 3%)747(Top 5%)747(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
Γ—21
+97ft-345ft

Overall

1238

Males

1189

M18-39

1189

5K→10K

3.1 - 6.2 mi

Top 4%
Γ—5
+79ft-138ft

Overall

1083

Males

1039

M18-39

1039

10K→15K

6.2 - 9.3 mi

Top 4%
Γ—3
+67ft-78ft

Overall

1238

Males

1189

M18-39

1189

15K→20K

9.3 - 12.4 mi

Top 5%
Γ—5
+106ft-86ft

Overall

1338

Males

1290

M18-39

1290

20K→HALF

12.4 - 13.1 mi

Top 5%
Γ—2
+19ft-37ft

Overall

1370

Males

1320

M18-39

1320

HALF→25K

13.1 - 15.5 mi

Top 4%
Γ—4
+66ft-88ft

Overall

1201

Males

1155

M18-39

1155

25K→30K

15.5 - 18.6 mi

Top 4%
Γ—9
+181ft-148ft

Overall

1205

Males

1163

M18-39

1163

30K→20M

18.6 - 20.0 mi

Top 4%
Γ—5
+64ft-50ft

Overall

1119

Males

1077

M18-39

1077

20M→21M

20.0 - 21.0 mi

Top 4%
Γ—8
+106ft-24ft

Overall

1133

Males

1087

M18-39

1087

21M→35K

21.0 - 21.8 mi

Top 4%
Γ—7
+17ft-86ft

Overall

1222

Males

1177

M18-39

1177

35K→23M

21.8 - 23.0 mi

Top 3%
Γ—5
+23ft-63ft

Overall

980

Males

939

M18-39

939

23M→24M

23.0 - 24.0 mi

Top 2%
Γ—6
+12ft-82ft

Overall

506

Males

481

M18-39

481

24M→40K

24.0 - 24.9 mi

Top 2%
Γ—1
+6ft-20ft

Overall

680

Males

649

M18-39

649

40K→25.2M

24.9 - 25.2 mi

Top 4%
Γ—1
+13ft-16ft

Overall

1063

Males

1005

M18-39

1005

25.2M→FINISH

25.2 - 26.2 mi

Top 3%
Γ—2
+22ft-21ft

Overall

780

Males

747

M18-39

747

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
511
Passed By
300
Net Change
+211
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start β†’ 5K----#1159
5K β†’ 10K8741+46#1159#1113
10K β†’ 15K3060-30#1113#1143
15K β†’ 20K2765-38#1143#1181
20K β†’ HALF812-4#1181#1185
HALF β†’ 25K4226+16#1185#1169
25K β†’ 30K5640+16#1169#1153
30K β†’ 20M2921+8#1153#1145
20M β†’ 21M3013+17#1145#1128
21M β†’ 35K199+10#1128#1118
35K β†’ 23M498+41#1118#1077
23M β†’ 24M550+55#1077#1022
24M β†’ 40K342+32#1022#990
40K β†’ 25.2M130+13#990#977
25.2M β†’ FINISH323+29#977#948
TOTALS511300+211
πŸ“Š

Passing Analysis Visualizations

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

Time:
Category:

πŸ“ˆPosition Graph

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🎨Heatmap Timeline

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πŸ”„Passing Circle

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🌊Position Flow

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πŸƒRace Lanes

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