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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing
BOSTON MARATHON 2026

Karla Alvarado

Bib: 28027 •F •Age: N/A

MA

Boston Marathon logo
0:00
0:00
/ mi
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Overall
#0 / 29021
Gender (Female)
#0 / 12578
Age Group (F18-39)
#0 / 5716
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
36:45
3.11 mi
Rank: #28730
Start → 5K
36:45 | 11:50/mi
10K
1:13:50
6.21 mi
Rank: #28665 (+65)
5K → 10K
37:05 | 11:57/mi
15K
1:52:45
9.32 mi
Rank: #28693 (-28)
10K → 15K
38:55 | 12:32/mi
20K
2:33:15
12.43 mi
Rank: #28699 (-6)
15K → 20K
40:30 | 13:03/mi
HALF
2:41:34
13.11 mi
Rank: #28692 (+7)
20K → HALF
8:19 | 12:13/mi
25K
3:14:14
15.53 mi
Rank: #28663 (+29)
HALF → 25K
32:40 | 13:29/mi
30K
3:59:47
18.64 mi
Rank: #28687 (-24)
25K → 30K
45:33 | 14:40/mi
20M
4:20:01
20.00 mi
Rank: #28697 (-10)
30K → 20M
20:14 | 14:54/mi
21M
4:34:55
21.00 mi
Rank: #28679 (+18)
20M → 21M
14:54 | 14:54/mi
35K
4:44:33
21.75 mi
Rank: #28655 (+24)
21M → 35K
9:38 | 12:53/mi
23M
5:01:21
23.00 mi
Rank: #28629 (+26)
35K → 23M
16:48 | 13:26/mi
24M
5:15:09
24.00 mi
Rank: #28625 (+4)
23M → 24M
13:48 | 13:48/mi
40K
5:27:10
24.85 mi
Rank: #28616 (+9)
24M → 40K
12:01 | 14:04/mi
25.2M
5:32:08
25.20 mi
Rank: #28609 (+7)
40K → 25.2M
4:58 | 14:25/mi
FINISH
5:44:50
26.22 mi
Rank: #28589 (+20)
25.2M → FINISH
12:42 | 12:28/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time2:41:34
Pace12:20 /mi
2nd Half
Distance13.11 mi
Time3:03:16
Pace13:59 /mi
📊Positive Split: 13.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi12:04:5536:4511:5036:45
11:50
-
10K
6.21 mi12:42:001:13:5011:5337:05
11:57
+0:07
15K
9.32 mi13:20:551:52:4512:0638:55
12:32
+0:35
20K
12.43 mi14:01:252:33:1512:2040:30
13:03
+0:31
HALF
13.11 mi14:09:442:41:3412:208:19
12:13
-0:50
25K
15.53 mi14:42:243:14:1412:3132:40
13:29
+1:16
30K
18.64 mi15:27:573:59:4712:5245:33
14:40
+1:11
20M
20.00 mi15:48:104:20:0113:0120:14
14:54
+0:14
21M
21.00 mi16:03:054:34:5513:0614:54
14:54
0:00
35K
21.75 mi16:12:434:44:3313:069:38
12:53
-2:01
23M
23.00 mi16:29:315:01:2113:0716:48
13:26
+0:33
24M
24.00 mi16:43:195:15:0913:0813:48
13:48
+0:22
40K
24.85 mi16:55:205:27:1013:1012:01
14:04
+0:16
25.2M
25.20 mi17:00:185:32:0813:114:58
14:25
+0:21
FINISH
26.22 mi17:13:005:44:5013:1012:42
12:28
-1:57

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

11:50 /mi

Average Pace

13:10 /mi

Slowest Pace

14:54 /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

2:23:24

42% of race

Time at Steady Pace

1:43:46

30% of race

Time at Slower Pace

1:37:40

28% of race

Average Pace: 13:09 /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 mi12:04:5536:4511:5036:45
11:50
#28730
10K
6.21 mi12:42:001:13:5011:5337:05
11:57
#28665
15K
9.32 mi13:20:551:52:4512:0638:55
12:32
#28693
20K
12.43 mi14:01:252:33:1512:2040:30
13:03
#28699
HALF
13.11 mi14:09:442:41:3412:208:19
12:13
#28692
25K
15.53 mi14:42:243:14:1412:3132:40
13:29
#28663
30K
18.64 mi15:27:573:59:4712:5245:33
14:40
#28687
20M
20.00 mi15:48:104:20:0113:0120:14
14:54
#28697
21M
21.00 mi16:03:054:34:5513:0614:54
14:54
#28679
35K
21.75 mi16:12:434:44:3313:069:38
12:53
#28655
23M
23.00 mi16:29:315:01:2113:0716:48
13:26
#28629
24M
24.00 mi16:43:195:15:0913:0813:48
13:48
#28625
40K
24.85 mi16:55:205:27:1013:1012:01
14:04
#28616
25.2M
25.20 mi17:00:185:32:0813:114:58
14:25
#28609
FINISH
26.22 mi17:13:005:44:5013:1012:42
12:28
#28589
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi28730123781237828654(Top 99%)12330(Top 98%)12330(Top 216%)
10K6.21 mi3.10 mi28665+6512333+4512333+4528549(Top 98%)12255(Top 97%)12255(Top 214%)
15K9.32 mi3.11 mi28693-2812351-1812351-1828654(Top 99%)12330(Top 98%)12330(Top 216%)
20K12.43 mi3.11 mi28699-612362-1112362-1128634(Top 99%)12339(Top 98%)12339(Top 216%)
HALF13.11 mi0.68 mi28692+712357+512357+528367(Top 98%)12182(Top 97%)12182(Top 213%)
25K15.53 mi2.42 mi28663+2912339+1812339+1828481(Top 98%)12247(Top 97%)12247(Top 214%)
30K18.64 mi3.11 mi28687-2412360-2112360-2128681(Top 99%)12400(Top 99%)12400(Top 217%)
20M20.00 mi1.36 mi28697-1012366-612366-628579(Top 98%)12357(Top 98%)12357(Top 216%)
21M21.00 mi1.00 mi28679+1812357+912357+928005(Top 96%)12063(Top 96%)12063(Top 211%)
35K21.75 mi0.75 mi28655+2412347+1012347+1027614(Top 95%)11880(Top 94%)11880(Top 208%)
23M23.00 mi1.25 mi28629+2612333+1412333+1427737(Top 96%)11937(Top 95%)11937(Top 209%)
24M24.00 mi1.00 mi28625+412334-112334-128224(Top 97%)12225(Top 97%)12225(Top 214%)
40K24.85 mi0.85 mi28616+912332+212332+227955(Top 96%)12093(Top 96%)12093(Top 212%)
25.2M25.20 mi0.35 mi28609+712329+312329+327567(Top 95%)11918(Top 95%)11918(Top 209%)
FINISH26.22 mi1.02 mi28589+2012314+1512314+1527870(Top 96%)12057(Top 96%)12057(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21
+97ft-345ft

Overall

28654

Females

12330

F18-39

12330

5K→10K

3.1 - 6.2 mi

Top 98%
×5
+79ft-138ft

Overall

28549

Females

12255

F18-39

12255

10K→15K

6.2 - 9.3 mi

Top 99%
×3
+67ft-78ft

Overall

28654

Females

12330

F18-39

12330

15K→20K

9.3 - 12.4 mi

Top 99%
×5
+106ft-86ft

Overall

28634

Females

12339

F18-39

12339

20K→HALF

12.4 - 13.1 mi

Top 98%
×2
+19ft-37ft

Overall

28367

Females

12182

F18-39

12182

HALF→25K

13.1 - 15.5 mi

Top 98%
×4
+66ft-88ft

Overall

28481

Females

12247

F18-39

12247

25K→30K

15.5 - 18.6 mi

Top 99%
×9
+181ft-148ft

Overall

28681

Females

12400

F18-39

12400

30K→20M

18.6 - 20.0 mi

Top 98%
×5
+64ft-50ft

Overall

28579

Females

12357

F18-39

12357

20M→21M

20.0 - 21.0 mi

Top 96%
×8
+106ft-24ft

Overall

28005

Females

12063

F18-39

12063

21M→35K

21.0 - 21.8 mi

Top 95%
×7
+17ft-86ft

Overall

27614

Females

11880

F18-39

11880

35K→23M

21.8 - 23.0 mi

Top 96%
×5
+23ft-63ft

Overall

27737

Females

11937

F18-39

11937

23M→24M

23.0 - 24.0 mi

Top 97%
×6
+12ft-82ft

Overall

28224

Females

12225

F18-39

12225

24M→40K

24.0 - 24.9 mi

Top 96%
×1
+6ft-20ft

Overall

27955

Females

12093

F18-39

12093

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1
+13ft-16ft

Overall

27567

Females

11918

F18-39

11918

25.2M→FINISH

25.2 - 26.2 mi

Top 96%
×2
+22ft-21ft

Overall

27870

Females

12057

F18-39

12057

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
424
Passed By
283
Net Change
+141
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28730
5K → 10K9631+65#28730#28665
10K → 15K4068-28#28665#28693
15K → 20K3945-6#28693#28699
20K → HALF158+7#28699#28692
HALF → 25K5122+29#28692#28663
25K → 30K2852-24#28663#28687
30K → 20M1626-10#28687#28697
20M → 21M279+18#28697#28679
21M → 35K251+24#28679#28655
35K → 23M304+26#28655#28629
23M → 24M117+4#28629#28625
24M → 40K123+9#28625#28616
40K → 25.2M103+7#28616#28609
25.2M → FINISH244+20#28609#28589
TOTALS424283+141
📊

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

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