All Results|Race Analytics|Course|Contact
BOSTON MARATHON 2026

Alexandra Rozas

Bib: 19415•F

FL

Boston Marathon logo
0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 29021
Top 49%
Gender (Female)
#0 / 12578
Top 36%
Masters (Masters Women)
#0 / 6862
Top 20%
Age Group (F40-44)
#0 / 1737
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
24:23
3.11 mi
Rank: #15834
Start → 5K
24:23 | 7:51/mi
10K
48:20
6.21 mi
Rank: #15293 (+541)
5K → 10K
23:57 | 7:43/mi
15K
1:12:14
9.32 mi
Rank: #14989 (+304)
10K → 15K
23:54 | 7:42/mi
20K
1:36:17
12.43 mi
Rank: #14713 (+276)
15K → 20K
24:03 | 7:45/mi
HALF
1:41:29
13.11 mi
Rank: #14677 (+36)
20K → HALF
5:12 | 7:38/mi
25K
2:00:05
15.53 mi
Rank: #14334 (+343)
HALF → 25K
18:36 | 7:41/mi
30K
2:24:33
18.64 mi
Rank: #13965 (+369)
25K → 30K
24:28 | 7:53/mi
20M
2:35:25
20.00 mi
Rank: #13850 (+115)
30K → 20M
10:52 | 8:01/mi
21M
2:44:14
21.00 mi
Rank: #13917 (-67)
20M → 21M
8:49 | 8:49/mi
35K
2:50:09
21.75 mi
Rank: #13892 (+25)
21M → 35K
5:55 | 7:55/mi
23M
3:00:30
23.00 mi
Rank: #13906 (-14)
35K → 23M
10:21 | 8:17/mi
24M
3:08:33
24.00 mi
Rank: #13907 (-1)
23M → 24M
8:03 | 8:03/mi
40K
3:16:06
24.85 mi
Rank: #14066 (-159)
24M → 40K
7:33 | 8:50/mi
25.2M
3:19:33
25.20 mi
Rank: #14172 (-106)
40K → 25.2M
3:27 | 10:01/mi
FINISH
3:27:42
26.22 mi
Rank: #14241 (-69)
25.2M → FINISH
8:09 | 8:00/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:41:29
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:46:13
Pace8:07 /mi
📊Positive Split: 4.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:08:3124:237:5124:23
7:51
-
10K
6.21 mi11:32:2848:207:4723:57
7:43
-0:08
15K
9.32 mi11:56:221:12:147:4523:54
7:42
-0:01
20K
12.43 mi12:20:251:36:177:4524:03
7:45
+0:03
HALF
13.11 mi12:25:371:41:297:455:12
7:38
-0:07
25K
15.53 mi12:44:132:00:057:4418:36
7:41
+0:03
30K
18.64 mi13:08:412:24:337:4624:28
7:53
+0:12
20M
20.00 mi13:19:332:35:257:4710:52
8:01
+0:08
21M
21.00 mi13:28:222:44:147:508:49
8:49
+0:48
35K
21.75 mi13:34:172:50:097:505:55
7:55
-0:54
23M
23.00 mi13:44:383:00:307:5110:21
8:17
+0:22
24M
24.00 mi13:52:413:08:337:528:03
8:03
-0:14
40K
24.85 mi14:00:143:16:067:547:33
8:50
+0:47
25.2M
25.20 mi14:03:413:19:337:563:27
10:01
+1:11
FINISH
26.22 mi14:11:503:27:427:568:09
8:00
-2:01

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

7:38 /mi

Average Pace

7:56 /mi

Slowest Pace

10:01 /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

0:00

0% of race

Time at Steady Pace

2:57:32

85% of race

Time at Slower Pace

30:10

15% of race

Average Pace: 7:55 /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 mi11:08:3124:237:5124:23
7:51
#15834
10K
6.21 mi11:32:2848:207:4723:57
7:43
#15293
15K
9.32 mi11:56:221:12:147:4523:54
7:42
#14989
20K
12.43 mi12:20:251:36:177:4524:03
7:45
#14713
HALF
13.11 mi12:25:371:41:297:455:12
7:38
#14677
25K
15.53 mi12:44:132:00:057:4418:36
7:41
#14334
30K
18.64 mi13:08:412:24:337:4624:28
7:53
#13965
20M
20.00 mi13:19:332:35:257:4710:52
8:01
#13850
21M
21.00 mi13:28:222:44:147:508:49
8:49
#13917
35K
21.75 mi13:34:172:50:097:505:55
7:55
#13892
23M
23.00 mi13:44:383:00:307:5110:21
8:17
#13906
24M
24.00 mi13:52:413:08:337:528:03
8:03
#13907
40K
24.85 mi14:00:143:16:067:547:33
8:50
#14066
25.2M
25.20 mi14:03:413:19:337:563:27
10:01
#14172
FINISH
26.22 mi14:11:503:27:427:568:09
8:00
#14241
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi158345204520414498(Top 50%)4443(Top 35%)4443(Top 256%)
10K6.21 mi3.10 mi15293+5414896+3084896+30814852(Top 51%)4605(Top 37%)4605(Top 265%)
15K9.32 mi3.11 mi14989+3044724+1724724+17214498(Top 50%)4443(Top 35%)4443(Top 256%)
20K12.43 mi3.11 mi14713+2764565+1594565+15914085(Top 49%)4267(Top 34%)4267(Top 246%)
HALF13.11 mi0.68 mi14677+364538+274538+2714190(Top 49%)4274(Top 34%)4274(Top 246%)
25K15.53 mi2.42 mi14334+3434363+1754363+17512825(Top 44%)3636(Top 29%)3636(Top 209%)
30K18.64 mi3.11 mi13965+3694174+1894174+18912557(Top 43%)3609(Top 29%)3609(Top 208%)
20M20.00 mi1.36 mi13850+1154140+344140+3412873(Top 44%)3877(Top 31%)3877(Top 223%)
21M21.00 mi1.00 mi13917-674209-694209-6915096(Top 52%)5183(Top 41%)5183(Top 298%)
35K21.75 mi0.75 mi13892+254216-74216-713876(Top 48%)4573(Top 36%)4573(Top 263%)
23M23.00 mi1.25 mi13906-144252-364252-3614281(Top 49%)4859(Top 39%)4859(Top 280%)
24M24.00 mi1.00 mi13907-14274-224274-2214131(Top 49%)4868(Top 39%)4868(Top 280%)
40K24.85 mi0.85 mi14066-1594395-1214395-12117556(Top 60%)6802(Top 54%)6802(Top 392%)
25.2M25.20 mi0.35 mi14172-1064465-704465-7019435(Top 67%)7768(Top 62%)7768(Top 447%)
FINISH26.22 mi1.02 mi14241-694524-594524-5915186(Top 52%)5518(Top 44%)5518(Top 318%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21
+97ft-345ft

Overall

14498

Females

4443

F40-44

4443

5K→10K

3.1 - 6.2 mi

Top 51%
×5
+79ft-138ft

Overall

14852

Females

4605

F40-44

4605

10K→15K

6.2 - 9.3 mi

Top 50%
×3
+67ft-78ft

Overall

14498

Females

4443

F40-44

4443

15K→20K

9.3 - 12.4 mi

Top 49%
×5
+106ft-86ft

Overall

14085

Females

4267

F40-44

4267

20K→HALF

12.4 - 13.1 mi

Top 49%
×2
+19ft-37ft

Overall

14190

Females

4274

F40-44

4274

HALF→25K

13.1 - 15.5 mi

Top 44%
×4
+66ft-88ft

Overall

12825

Females

3636

F40-44

3636

25K→30K

15.5 - 18.6 mi

Top 43%
×9
+181ft-148ft

Overall

12557

Females

3609

F40-44

3609

30K→20M

18.6 - 20.0 mi

Top 44%
×5
+64ft-50ft

Overall

12873

Females

3877

F40-44

3877

20M→21M

20.0 - 21.0 mi

Top 52%
×8
+106ft-24ft

Overall

15096

Females

5183

F40-44

5183

21M→35K

21.0 - 21.8 mi

Top 48%
×7
+17ft-86ft

Overall

13876

Females

4573

F40-44

4573

35K→23M

21.8 - 23.0 mi

Top 49%
×5
+23ft-63ft

Overall

14281

Females

4859

F40-44

4859

23M→24M

23.0 - 24.0 mi

Top 49%
×6
+12ft-82ft

Overall

14131

Females

4868

F40-44

4868

24M→40K

24.0 - 24.9 mi

Top 60%
×1
+6ft-20ft

Overall

17556

Females

6802

F40-44

6802

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1
+13ft-16ft

Overall

19435

Females

7768

F40-44

7768

25.2M→FINISH

25.2 - 26.2 mi

Top 52%
×2
+22ft-21ft

Overall

15186

Females

5518

F40-44

5518

Is this your race? Claiming it gets you a full AI race analysis — free, sent to you by email.

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
2717
Passed By
1124
Net Change
+1593
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15834
5K → 10K642101+541#15834#15293
10K → 15K38581+304#15293#14989
15K → 20K34266+276#14989#14713
20K → HALF5418+36#14713#14677
HALF → 25K35815+343#14677#14334
25K → 30K40839+369#14334#13965
30K → 20M15540+115#13965#13850
20M → 21M74141-67#13850#13917
21M → 35K6439+25#13917#13892
35K → 23M8498-14#13892#13906
23M → 24M6263-1#13906#13907
24M → 40K35194-159#13907#14066
40K → 25.2M7113-106#14066#14172
25.2M → FINISH47116-69#14172#14241
TOTALS27171124+1593

Is this your race? Claiming it gets you a full AI race analysis — free, sent to you by email.

📊

Passing Analysis Visualizations

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

Time:
Category:

📈Position Graph

Loading...

🎨Heatmap Timeline

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

Upload your GPX file to see detailed activity metrics

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export & Support

Download your data, get help, and share your feedback

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing