Boston Marathon logo
BOSTON MARATHON 2025

Elsa Le Blanc

Bib: 23679•F

QC

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 49%
Division (F50-54)
#0 / 1303
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:22
Rank: #21565
Start → 5K
27:22 | 8:49/mi
10K· 6.21 mi
54:34
Rank: #21359 (+206)
5K → 10K
27:12 | 8:45/mi
15K· 9.32 mi
1:21:44
Rank: #21084 (+275)
10K → 15K
27:10 | 8:45/mi
20K· 12.43 mi
1:48:50
Rank: #20712 (+372)
15K → 20K
27:06 | 8:43/mi
Half· 13.11 mi
1:54:36
Rank: #20635 (+77)
20K → Half
5:46 | 8:27/mi
25K· 15.53 mi
2:15:43
Rank: #20286 (+349)
Half → 25K
21:07 | 8:43/mi
30K· 18.64 mi
2:44:03
Rank: #19866 (+420)
25K → 30K
28:20 | 9:07/mi
20M
2:56:18
Rank: #19644 (+222)
30K → 20M
12:15 | 9:01/mi
21M
3:05:46
Rank: #19413 (+231)
20M → 21M
9:28 | 9:28/mi
35K· 21.75 mi
3:12:26
Rank: #19363 (+50)
21M → 35K
6:40 | 8:55/mi
23M
3:23:41
Rank: #19179 (+184)
35K → 23M
11:15 | 8:59/mi
24M
3:32:38
Rank: #19088 (+91)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:40:23
Rank: #18973 (+115)
24M → 40K
7:45 | 9:04/mi
25.2M
3:43:39
Rank: #18918 (+55)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:52:29
Rank: #18844 (+74)
25.2M → Finish
8:50 | 8:40/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
Time1:54:36
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time1:57:53
Pace9:00 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:3527:228:4927:22
8:49
-
10K
6.21 mi11:52:4754:348:4727:12
8:45
-0:04
15K
9.32 mi12:19:571:21:448:4627:10
8:45
0:00
20K
12.43 mi12:47:031:48:508:4527:06
8:43
-0:02
Half
13.11 mi12:52:491:54:368:445:46
8:27
-0:16
25K
15.53 mi13:13:562:15:438:4421:07
8:43
+0:16
30K
18.64 mi13:42:162:44:038:4828:20
9:07
+0:24
20M
20.00 mi13:54:312:56:188:4912:15
9:01
-0:06
21M
21.00 mi14:03:593:05:468:519:28
9:28
+0:27
35K
21.75 mi14:10:393:12:268:516:40
8:55
-0:33
23M
23.00 mi14:21:543:23:418:5111:15
8:59
+0:04
24M
24.00 mi14:30:513:32:388:528:57
8:57
-0:02
40K
24.85 mi14:38:363:40:238:527:45
9:04
+0:07
25.2M
25.20 mi14:41:523:43:398:533:16
9:28
+0:24
Finish
26.22 mi14:50:423:52:298:528:50
8:40
-0:48

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

8:27 /mi

Average Pace

8:52 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:39:45

95% of race

Time at Steady Pace

12:44

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:52 /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 mi11:25:3527:228:4927:22
8:49
#21565
10K
6.21 mi11:52:4754:348:4727:12
8:45
#21359
15K
9.32 mi12:19:571:21:448:4627:10
8:45
#21084
20K
12.43 mi12:47:031:48:508:4527:06
8:43
#20712
Half
13.11 mi12:52:491:54:368:445:46
8:27
#20635
25K
15.53 mi13:13:562:15:438:4421:07
8:43
#20286
30K
18.64 mi13:42:162:44:038:4828:20
9:07
#19866
20M
20.00 mi13:54:312:56:188:4912:15
9:01
#19644
21M
21.00 mi14:03:593:05:468:519:28
9:28
#19413
35K
21.75 mi14:10:393:12:268:516:40
8:55
#19363
23M
23.00 mi14:21:543:23:418:5111:15
8:59
#19179
24M
24.00 mi14:30:513:32:388:528:57
8:57
#19088
40K
24.85 mi14:38:363:40:238:527:45
9:04
#18973
25.2M
25.20 mi14:41:523:43:398:533:16
9:28
#18918
Finish
26.22 mi14:50:423:52:298:528:50
8:40
#18844
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi215658388838820727(Top 73%)7841(Top 64%)7841(Top 602%)
10K6.21 mi3.10 mi21359+2068250+1388250+13821178(Top 75%)8126(Top 66%)8126(Top 624%)
15K9.32 mi3.11 mi21084+2758081+1698081+16920727(Top 73%)7841(Top 64%)7841(Top 602%)
20K12.43 mi3.11 mi20712+3727878+2037878+20319537(Top 69%)7223(Top 59%)7223(Top 554%)
Half13.11 mi0.68 mi20635+777835+437835+4318949(Top 67%)6872(Top 56%)6872(Top 527%)
25K15.53 mi2.42 mi20286+3497651+1847651+18418471(Top 65%)6694(Top 55%)6694(Top 514%)
30K18.64 mi3.11 mi19866+4207444+2077444+20718274(Top 64%)6732(Top 55%)6732(Top 517%)
20M20.00 mi1.36 mi19644+2227345+997345+9916886(Top 59%)6085(Top 50%)6085(Top 467%)
21M21.00 mi1.00 mi19413+2317243+1027243+10215959(Top 56%)5692(Top 47%)5692(Top 437%)
35K21.75 mi0.75 mi19363+507228+157228+1517841(Top 63%)6817(Top 56%)6817(Top 523%)
23M23.00 mi1.25 mi19179+1847148+807148+8016199(Top 57%)6001(Top 49%)6001(Top 461%)
24M24.00 mi1.00 mi19088+917115+337115+3317142(Top 60%)6577(Top 54%)6577(Top 505%)
40K24.85 mi0.85 mi18973+1157082+337082+3316722(Top 59%)6440(Top 53%)6440(Top 494%)
25.2M25.20 mi0.35 mi18918+557061+217061+2114553(Top 51%)5342(Top 44%)5342(Top 410%)
Finish26.22 mi1.02 mi18844+747041+207041+2017318(Top 61%)6721(Top 55%)6721(Top 516%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21stories
+97ft-345ft

Overall

20727

Females

7841

F50-54

7841

5K→10K

3.1 - 6.2 mi

Top 75%
×5stories
+79ft-138ft

Overall

21178

Females

8126

F50-54

8126

10K→15K

6.2 - 9.3 mi

Top 73%
×3stories
+67ft-78ft

Overall

20727

Females

7841

F50-54

7841

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19537

Females

7223

F50-54

7223

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

18949

Females

6872

F50-54

6872

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

18471

Females

6694

F50-54

6694

25K→30K

15.5 - 18.6 mi

Top 64%
×9stories
+181ft-148ft

Overall

18274

Females

6732

F50-54

6732

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16886

Females

6085

F50-54

6085

20M→21M

20.0 - 21.0 mi

Top 56%
×8stories
+106ft-24ft

Overall

15959

Females

5692

F50-54

5692

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17841

Females

6817

F50-54

6817

35K→23M

21.8 - 23.0 mi

Top 57%
×5stories
+23ft-63ft

Overall

16199

Females

6001

F50-54

6001

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17142

Females

6577

F50-54

6577

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

16722

Females

6440

F50-54

6440

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14553

Females

5342

F50-54

5342

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2stories
+22ft-21ft

Overall

17318

Females

6721

F50-54

6721

Passing Analysis

Category:
Athletes Passed
3206
Passed By
485
Net Change
+2721
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21565
5K → 10K389183+206#21565#21359
10K → 15K35984+275#21359#21084
15K → 20K40533+372#21084#20712
20K → Half814+77#20712#20635
Half → 25K36112+349#20635#20286
25K → 30K46747+420#20286#19866
30K → 20M2308+222#19866#19644
20M → 21M24110+231#19644#19413
21M → 35K6919+50#19413#19363
35K → 23M20218+184#19363#19179
23M → 24M11120+91#19179#19088
24M → 40K12914+115#19088#18973
40K → 25.2M594+55#18973#18918
25.2M → Finish10329+74#18918#18844
TOTALS3206485+2721
📊

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