Boston Marathon logo
BOSTON MARATHON 2025

Lilian Gonzalez Diaz

Bib: 21933•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 50%
Masters (Masters Women)
#0 / 6759
Top 38%
Division (F45-49)
#0 / 1813
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:21
Rank: #17837
Start → 5K
25:21 | 8:10/mi
10K· 6.21 mi
50:47
Rank: #17793 (+44)
5K → 10K
25:26 | 8:11/mi
15K· 9.32 mi
1:16:24
Rank: #17741 (+52)
10K → 15K
25:37 | 8:15/mi
20K· 12.43 mi
1:42:43
Rank: #17783 (-42)
15K → 20K
26:19 | 8:28/mi
Half· 13.11 mi
1:48:22
Rank: #17777 (+6)
20K → Half
5:39 | 8:17/mi
25K· 15.53 mi
2:09:12
Rank: #17694 (+83)
Half → 25K
20:50 | 8:36/mi
30K· 18.64 mi
2:37:08
Rank: #17669 (+25)
25K → 30K
27:56 | 8:59/mi
20M
2:49:24
Rank: #17581 (+88)
30K → 20M
12:16 | 9:02/mi
21M
2:59:08
Rank: #17553 (+28)
20M → 21M
9:44 | 9:44/mi
35K· 21.75 mi
3:05:37
Rank: #17510 (+43)
21M → 35K
6:29 | 8:40/mi
23M
3:16:42
Rank: #17361 (+149)
35K → 23M
11:05 | 8:51/mi
24M
3:25:18
Rank: #17245 (+116)
23M → 24M
8:36 | 8:36/mi
40K· 24.85 mi
3:32:59
Rank: #17204 (+41)
24M → 40K
7:41 | 8:59/mi
25.2M
3:36:15
Rank: #17152 (+52)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:44:44
Rank: #17064 (+88)
25.2M → Finish
8:29 | 8:19/mi

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
Time1:48:22
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:56:22
Pace8:53 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5725:218:1025:21
8:10
-
10K
6.21 mi11:45:2350:478:1025:26
8:11
+0:01
15K
9.32 mi12:11:001:16:248:1225:37
8:15
+0:04
20K
12.43 mi12:37:191:42:438:1626:19
8:28
+0:13
Half
13.11 mi12:42:581:48:228:165:39
8:17
-0:11
25K
15.53 mi13:03:482:09:128:1920:50
8:36
+0:19
30K
18.64 mi13:31:442:37:088:2627:56
8:59
+0:23
20M
20.00 mi13:44:002:49:248:2812:16
9:02
+0:03
21M
21.00 mi13:53:442:59:088:329:44
9:44
+0:42
35K
21.75 mi14:00:133:05:378:326:29
8:40
-1:04
23M
23.00 mi14:11:183:16:428:3311:05
8:51
+0:11
24M
24.00 mi14:19:543:25:188:338:36
8:36
-0:15
40K
24.85 mi14:27:353:32:598:347:41
8:59
+0:23
25.2M
25.20 mi14:30:513:36:158:353:16
9:28
+0:29
Finish
26.22 mi14:39:203:44:448:358:29
8:19
-1:09

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

8:10 /mi

Average Pace

8:35 /mi

Slowest Pace

9:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:43:51

73% of race

Time at Steady Pace

51:09

23% of race

Time at Slower Pace

9:44

4% of race

Average Pace: 8:34 /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 mi11:19:5725:218:1025:21
8:10
#17837
10K
6.21 mi11:45:2350:478:1025:26
8:11
#17793
15K
9.32 mi12:11:001:16:248:1225:37
8:15
#17741
20K
12.43 mi12:37:191:42:438:1626:19
8:28
#17783
Half
13.11 mi12:42:581:48:228:165:39
8:17
#17777
25K
15.53 mi13:03:482:09:128:1920:50
8:36
#17694
30K
18.64 mi13:31:442:37:088:2627:56
8:59
#17669
20M
20.00 mi13:44:002:49:248:2812:16
9:02
#17581
21M
21.00 mi13:53:442:59:088:329:44
9:44
#17553
35K
21.75 mi14:00:133:05:378:326:29
8:40
#17510
23M
23.00 mi14:11:183:16:428:3311:05
8:51
#17361
24M
24.00 mi14:19:543:25:188:338:36
8:36
#17245
40K
24.85 mi14:27:353:32:598:347:41
8:59
#17204
25.2M
25.20 mi14:30:513:36:158:353:16
9:28
#17152
Finish
26.22 mi14:39:203:44:448:358:29
8:19
#17064
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi178376241624117709(Top 62%)6147(Top 50%)6147(Top 339%)
10K6.21 mi3.10 mi17793+446203+386203+3817798(Top 63%)6177(Top 51%)6177(Top 341%)
15K9.32 mi3.11 mi17741+526173+306173+3017709(Top 62%)6147(Top 50%)6147(Top 339%)
20K12.43 mi3.11 mi17783-426215-426215-4218032(Top 63%)6360(Top 52%)6360(Top 351%)
Half13.11 mi0.68 mi17777+66215621517864(Top 63%)6243(Top 51%)6243(Top 344%)
25K15.53 mi2.42 mi17694+836174+416174+4117773(Top 63%)6293(Top 51%)6293(Top 347%)
30K18.64 mi3.11 mi17669+256219-456219-4517653(Top 62%)6389(Top 52%)6389(Top 352%)
20M20.00 mi1.36 mi17581+886194+256194+2516948(Top 60%)6107(Top 50%)6107(Top 337%)
21M21.00 mi1.00 mi17553+286198-46198-417197(Top 61%)6369(Top 52%)6369(Top 351%)
35K21.75 mi0.75 mi17510+436191+76191+716509(Top 58%)6068(Top 50%)6068(Top 335%)
23M23.00 mi1.25 mi17361+1496146+456146+4515430(Top 54%)5564(Top 46%)5564(Top 307%)
24M24.00 mi1.00 mi17245+1166108+386108+3815194(Top 53%)5492(Top 45%)5492(Top 303%)
40K24.85 mi0.85 mi17204+416106+26106+216242(Top 57%)6174(Top 50%)6174(Top 341%)
25.2M25.20 mi0.35 mi17152+526082+246082+2414529(Top 51%)5318(Top 43%)5318(Top 293%)
Finish26.22 mi1.02 mi17064+886054+286054+2815109(Top 53%)5546(Top 45%)5546(Top 306%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21stories
+97ft-345ft

Overall

17709

Females

6147

F45-49

6147

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

17798

Females

6177

F45-49

6177

10K→15K

6.2 - 9.3 mi

Top 62%
×3stories
+67ft-78ft

Overall

17709

Females

6147

F45-49

6147

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

18032

Females

6360

F45-49

6360

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

17864

Females

6243

F45-49

6243

Half→25K

13.1 - 15.5 mi

Top 63%
×4stories
+66ft-88ft

Overall

17773

Females

6293

F45-49

6293

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17653

Females

6389

F45-49

6389

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16948

Females

6107

F45-49

6107

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17197

Females

6369

F45-49

6369

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

16509

Females

6068

F45-49

6068

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

15430

Females

5564

F45-49

5564

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

15194

Females

5492

F45-49

5492

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16242

Females

6174

F45-49

6174

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14529

Females

5318

F45-49

5318

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

15109

Females

5546

F45-49

5546

Passing Analysis

Category:
Athletes Passed
2118
Passed By
1345
Net Change
+773
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17837
5K → 10K308264+44#17837#17793
10K → 15K215163+52#17793#17741
15K → 20K170212-42#17741#17783
20K → Half3529+6#17783#17777
Half → 25K205122+83#17777#17694
25K → 30K230205+25#17694#17669
30K → 20M15264+88#17669#17581
20M → 21M11789+28#17581#17553
21M → 35K8946+43#17553#17510
35K → 23M18435+149#17510#17361
23M → 24M14630+116#17361#17245
24M → 40K8544+41#17245#17204
40K → 25.2M6513+52#17204#17152
25.2M → Finish11729+88#17152#17064
TOTALS21181345+773
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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