Boston Marathon logo
BOSTON MARATHON 2025

Lenka Dinnage

Bib: 22550•F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 43%
Division (F45-49)
#0 / 1813
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:28/mi
26:19
↑ 97↓ 3451.5%
10K· 6.21 mi
8:25/mi
52:29
↑ 79↓ 1380.4%
15K· 9.32 mi
8:26/mi
1:18:41
↑ 67↓ 78
20K· 12.43 mi
8:31/mi
1:45:08
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:50:51
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:11:47
↑ 66↓ 880.2%
30K· 18.64 mi
9:00/mi
2:39:46
↑ 181↓ 1480.2%
20M
9:03/mi
2:52:04
↑ 64↓ 500.2%
21M
9:42/mi
3:01:46
↑ 106↓ 241.6%
35K· 21.75 mi
8:52/mi
3:08:24
↑ 17↓ 861.7%
23M
8:59/mi
3:19:39
↑ 23↓ 630.6%
24M
8:50/mi
3:28:29
↓ 821.3%
40K· 24.85 mi
8:59/mi
3:36:10
↓ 200.3%
25.2M
9:43/mi
3:39:31
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:48:13
↑ 22↓ 21

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
Time1:50:51
Pace8:27 /mi
2nd Half
Distance13.11 mi
Time1:57:22
Pace8:57 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:4626:198:2826:19
8:28
-
10K
6.21 mi11:51:5652:298:2726:10
8:25
-0:03
15K
9.32 mi12:18:081:18:418:2726:12
8:26
+0:01
20K
12.43 mi12:44:351:45:088:2826:27
8:31
+0:05
Half
13.11 mi12:50:181:50:518:275:43
8:23
-0:08
25K
15.53 mi13:11:142:11:478:2920:56
8:38
+0:15
30K
18.64 mi13:39:132:39:468:3427:59
9:00
+0:22
20M
20.00 mi13:51:312:52:048:3612:18
9:03
+0:03
21M
21.00 mi14:01:133:01:468:399:42
9:42
+0:39
35K
21.75 mi14:07:513:08:248:406:38
8:52
-0:50
23M
23.00 mi14:19:063:19:398:4111:15
8:59
+0:07
24M
24.00 mi14:27:563:28:298:418:50
8:50
-0:09
40K
24.85 mi14:35:373:36:108:427:41
8:59
+0:09
25.2M
25.20 mi14:38:583:39:318:433:21
9:43
+0:44
Finish
26.22 mi14:47:403:48:138:438:42
8:32
-1:11

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

8:23 /mi

Average Pace

8:43 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:35:10

94% of race

Time at Steady Pace

13:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:42 /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 mi11:25:4626:198:2826:19
8:28
#19726
10K
6.21 mi11:51:5652:298:2726:10
8:25
#19519
15K
9.32 mi12:18:081:18:418:2726:12
8:26
#19306
20K
12.43 mi12:44:351:45:088:2826:27
8:31
#19016
Half
13.11 mi12:50:181:50:518:275:43
8:23
#18993
25K
15.53 mi13:11:142:11:478:2920:56
8:38
#18819
30K
18.64 mi13:39:132:39:468:3427:59
9:00
#18580
20M
20.00 mi13:51:312:52:048:3612:18
9:03
#18447
21M
21.00 mi14:01:133:01:468:399:42
9:42
#18336
35K
21.75 mi14:07:513:08:248:406:38
8:52
#18303
23M
23.00 mi14:19:063:19:398:4111:15
8:59
#18171
24M
24.00 mi14:27:563:28:298:418:50
8:50
#18076
40K
24.85 mi14:35:373:36:108:427:41
8:59
#17995
25.2M
25.20 mi14:38:583:39:318:433:21
9:43
#17960
Finish
26.22 mi14:47:403:48:138:438:42
8:32
#17899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi197267344734418921(Top 67%)6853(Top 56%)6853(Top 378%)
10K6.21 mi3.10 mi19519+2077192+1527192+15219335(Top 68%)7072(Top 58%)7072(Top 390%)
15K9.32 mi3.11 mi19306+2137064+1287064+12818921(Top 67%)6853(Top 56%)6853(Top 378%)
20K12.43 mi3.11 mi19016+2906913+1516913+15118348(Top 65%)6536(Top 53%)6536(Top 361%)
Half13.11 mi0.68 mi18993+236902+116902+1118521(Top 65%)6635(Top 54%)6635(Top 366%)
25K15.53 mi2.42 mi18819+1746808+946808+9418020(Top 63%)6441(Top 53%)6441(Top 355%)
30K18.64 mi3.11 mi18580+2396705+1036705+10317737(Top 62%)6435(Top 53%)6435(Top 355%)
20M20.00 mi1.36 mi18447+1336667+386667+3817087(Top 60%)6189(Top 51%)6189(Top 341%)
21M21.00 mi1.00 mi18336+1116627+406627+4017058(Top 60%)6292(Top 51%)6292(Top 347%)
35K21.75 mi0.75 mi18303+336626+16626+117623(Top 62%)6698(Top 55%)6698(Top 369%)
23M23.00 mi1.25 mi18171+1326584+426584+4216193(Top 57%)5995(Top 49%)5995(Top 331%)
24M24.00 mi1.00 mi18076+956557+276557+2716522(Top 58%)6220(Top 51%)6220(Top 343%)
40K24.85 mi0.85 mi17995+816547+106547+1016253(Top 57%)6185(Top 51%)6185(Top 341%)
25.2M25.20 mi0.35 mi17960+356530+176530+1715770(Top 56%)5981(Top 49%)5981(Top 330%)
Finish26.22 mi1.02 mi17899+616517+136517+1316489(Top 58%)6299(Top 52%)6299(Top 347%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

18921

Females

6853

F45-49

6853

5K→10K

3.1 - 6.2 mi

Top 68%
×5story building
+79ft-138ft

Overall

19335

Females

7072

F45-49

7072

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

18921

Females

6853

F45-49

6853

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

18348

Females

6536

F45-49

6536

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18521

Females

6635

F45-49

6635

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

18020

Females

6441

F45-49

6441

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

17737

Females

6435

F45-49

6435

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

17087

Females

6189

F45-49

6189

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

17058

Females

6292

F45-49

6292

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

17623

Females

6698

F45-49

6698

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16193

Females

5995

F45-49

5995

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16522

Females

6220

F45-49

6220

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16253

Females

6185

F45-49

6185

40K→25.2M

24.9 - 25.2 mi

Top 56%
×1story
+13ft-16ft

Overall

15770

Females

5981

F45-49

5981

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16489

Females

6299

F45-49

6299

Passing Analysis

Category:
Athletes Passed
2650
Passed By
823
Net Change
+1827
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19726
5K → 10K372165+207#19726#19519
10K → 15K320107+213#19519#19306
15K → 20K35565+290#19306#19016
20K → Half4017+23#19016#18993
Half → 25K24571+174#18993#18819
25K → 30K361122+239#18819#18580
30K → 20M17340+133#18580#18447
20M → 21M15645+111#18447#18336
21M → 35K7441+33#18336#18303
35K → 23M16836+132#18303#18171
23M → 24M12126+95#18171#18076
24M → 40K11029+81#18076#17995
40K → 25.2M4611+35#17995#17960
25.2M → Finish10948+61#17960#17899
TOTALS2650823+1827
📊

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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing