Boston Marathon logo
BOSTON MARATHON 2025

Sandra Tezino

Bib: 24204•F

TX

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F55-59)
#0 / 994
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:11
Rank: #17413
Start → 5K
8:06/mi
25:11 split
10K· 6.21 mi
51:13
Rank: #18259 (-846)
5K → 10K
8:23/mi
26:02 split
15K· 9.32 mi
1:18:22
Rank: #19078 (-819)
10K → 15K
8:44/mi
27:09 split
20K· 12.43 mi
1:46:10
Rank: #19558 (-480)
15K → 20K
8:57/mi
27:48 split
Half· 13.11 mi
1:52:16
Rank: #19670 (-112)
20K → Half
8:56/mi
6:06 split
25K· 15.53 mi
2:15:30
Rank: #20197 (-527)
Half → 25K
9:35/mi
23:14 split
30K· 18.64 mi
2:48:41
Rank: #21105 (-908)
25K → 30K
10:41/mi
33:11 split
20M
3:03:56
Rank: #21444 (-339)
30K → 20M
11:13/mi
15:15 split
21M
3:16:58
Rank: #21847 (-403)
20M → 21M
13:02/mi
13:02 split
35K· 21.75 mi
3:25:07
Rank: #21932 (-85)
21M → 35K
10:54/mi
8:09 split
23M
3:38:41
Rank: #21983 (-51)
35K → 23M
10:50/mi
13:34 split
24M
3:49:29
Rank: #22066 (-83)
23M → 24M
10:48/mi
10:48 split
40K· 24.85 mi
3:58:33
Rank: #22067 (-1)
24M → 40K
10:36/mi
9:04 split
25.2M
4:02:31
Rank: #22061 (+6)
40K → 25.2M
11:30/mi
3:58 split
Finish· 26.22 mi
4:13:06
Rank: #22129 (-68)
25.2M → Finish
10:23/mi
10:35 split

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:16
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time2:20:50
Pace10:45 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:0225:118:0625:11
8:06
-
10K
6.21 mi11:49:0451:138:1526:02
8:23
+0:17
15K
9.32 mi12:16:131:18:228:2427:09
8:44
+0:21
20K
12.43 mi12:44:011:46:108:3327:48
8:57
+0:13
Half
13.11 mi12:50:071:52:168:346:06
8:56
-0:01
25K
15.53 mi13:13:212:15:308:4323:14
9:35
+0:39
30K
18.64 mi13:46:322:48:419:0333:11
10:41
+1:06
20M
20.00 mi14:01:473:03:569:1215:15
11:13
+0:32
21M
21.00 mi14:14:493:16:589:2313:02
13:02
+1:49
35K
21.75 mi14:22:583:25:079:268:09
10:54
-2:08
23M
23.00 mi14:36:323:38:419:3013:34
10:50
-0:04
24M
24.00 mi14:47:203:49:299:3410:48
10:48
-0:02
40K
24.85 mi14:56:243:58:339:369:04
10:36
-0:12
25.2M
25.20 mi15:00:224:02:319:373:58
11:30
+0:54
Finish
26.22 mi15:10:574:13:069:4010:35
10:23
-1:07

Checkpoints & Pacing

📈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

8:06 /mi

Average Pace

9:40 /mi

Slowest Pace

13:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:30

54% of race

Time at Steady Pace

1:40:36

40% of race

Time at Slower Pace

17:00

7% of race

Average Pace: 9:39 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:23:0225:118:0625:11
8:06
#17413
10K
6.21 mi11:49:0451:138:1526:02
8:23
#18259
15K
9.32 mi12:16:131:18:228:2427:09
8:44
#19078
20K
12.43 mi12:44:011:46:108:3327:48
8:57
#19558
Half
13.11 mi12:50:071:52:168:346:06
8:56
#19670
25K
15.53 mi13:13:212:15:308:4323:14
9:35
#20197
30K
18.64 mi13:46:322:48:419:0333:11
10:41
#21105
20M
20.00 mi14:01:473:03:569:1215:15
11:13
#21444
21M
21.00 mi14:14:493:16:589:2313:02
13:02
#21847
35K
21.75 mi14:22:583:25:079:268:09
10:54
#21932
23M
23.00 mi14:36:323:38:419:3013:34
10:50
#21983
24M
24.00 mi14:47:203:49:299:3410:48
10:48
#22066
40K
24.85 mi14:56:243:58:339:369:04
10:36
#22067
25.2M
25.20 mi15:00:224:02:319:373:58
11:30
#22061
Finish
26.22 mi15:10:574:13:069:4010:35
10:23
#22129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi174135986598620705(Top 73%)7835(Top 64%)7835(Top 788%)
10K6.21 mi3.10 mi18259-8466484-4986484-49819081(Top 67%)6932(Top 57%)6932(Top 697%)
15K9.32 mi3.11 mi19078-8196954-4706954-47020705(Top 73%)7835(Top 64%)7835(Top 788%)
20K12.43 mi3.11 mi19558-4807220-2667220-26620722(Top 73%)7904(Top 65%)7904(Top 795%)
Half13.11 mi0.68 mi19670-1127292-727292-7221621(Top 76%)8390(Top 69%)8390(Top 844%)
25K15.53 mi2.42 mi20197-5277605-3137605-31322135(Top 78%)8727(Top 71%)8727(Top 878%)
30K18.64 mi3.11 mi21105-9088142-5378142-53723351(Top 82%)9526(Top 78%)9526(Top 958%)
20M20.00 mi1.36 mi21444-3398348-2068348-20624051(Top 85%)9976(Top 82%)9976(Top 1004%)
21M21.00 mi1.00 mi21847-4038577-2298577-22925089(Top 88%)10609(Top 87%)10609(Top 1067%)
35K21.75 mi0.75 mi21932-858645-688645-6823997(Top 84%)10054(Top 82%)10054(Top 1011%)
23M23.00 mi1.25 mi21983-518707-628707-6222840(Top 80%)9516(Top 78%)9516(Top 957%)
24M24.00 mi1.00 mi22066-838774-678774-6723568(Top 83%)9906(Top 81%)9906(Top 997%)
40K24.85 mi0.85 mi22067-18796-228796-2222214(Top 78%)9315(Top 76%)9315(Top 937%)
25.2M25.20 mi0.35 mi22061+68800-48800-422084(Top 78%)9194(Top 75%)9194(Top 925%)
Finish26.22 mi1.02 mi22129-688854-548854-5424009(Top 85%)10174(Top 83%)10174(Top 1024%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

20705

Females

7835

F55-59

7835

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

19081

Females

6932

F55-59

6932

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

20705

Females

7835

F55-59

7835

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20722

Females

7904

F55-59

7904

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

21621

Females

8390

F55-59

8390

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

22135

Females

8727

F55-59

8727

25K→30K

15.5 - 18.6 mi

Top 82%
×9story building
+181ft-148ft

Overall

23351

Females

9526

F55-59

9526

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24051

Females

9976

F55-59

9976

20M→21M

20.0 - 21.0 mi

Top 88%
×8story building
+106ft-24ft

Overall

25089

Females

10609

F55-59

10609

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23997

Females

10054

F55-59

10054

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

22840

Females

9516

F55-59

9516

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

23568

Females

9906

F55-59

9906

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22214

Females

9315

F55-59

9315

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

22084

Females

9194

F55-59

9194

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

24009

Females

10174

F55-59

10174

Passing Analysis

Category:
Athletes Passed
545
Passed By
5261
Net Change
-4716
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17413
5K → 10K58904-846#17413#18259
10K → 15K36855-819#18259#19078
15K → 20K75555-480#19078#19558
20K → Half11123-112#19558#19670
Half → 25K44571-527#19670#20197
25K → 30K52960-908#20197#21105
30K → 20M35374-339#21105#21444
20M → 21M11414-403#21444#21847
21M → 35K20105-85#21847#21932
35K → 23M67118-51#21932#21983
23M → 24M29112-83#21983#22066
24M → 40K4950-1#22066#22067
40K → 25.2M2822+6#22067#22061
25.2M → Finish3098-68#22061#22129
TOTALS5455261-4716
📊

Passing Visuals

Category:
Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

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

.gpx files up to 10MB

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