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BOSTON MARATHON 2025

Larina De La Rosa

Bib: 19575•F

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Female)
#0 / 12228
Top 32%
Masters (Masters Women)
#0 / 6759
Top 17%
Division (F45-49)
#0 / 1813
Top 19%
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
7:37/mi
23:41
↑ 97↓ 3451.5%
10K· 6.21 mi
7:29/mi
46:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:10:09
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:33:32
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:38:44
↑ 19↓ 370.5%
25K· 15.53 mi
7:56/mi
1:57:57
↑ 66↓ 880.2%
30K· 18.64 mi
8:25/mi
2:24:07
↑ 181↓ 1480.2%
20M
8:26/mi
2:35:35
↑ 64↓ 500.2%
21M
9:29/mi
2:45:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:51:06
↑ 17↓ 861.7%
23M
9:08/mi
3:02:32
↑ 23↓ 630.6%
24M
8:12/mi
3:10:44
↓ 821.3%
40K· 24.85 mi
8:22/mi
3:17:53
↓ 200.3%
25.2M
10:18/mi
3:21:26
↑ 13↓ 160.2%
Finish· 26.22 mi
8:32/mi
3:30:08
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:44
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:51:24
Pace8:30 /mi
📊Positive Split: 12.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2423:417:3723:41
7:37
-
10K
6.21 mi11:38:3946:567:3323:15
7:29
-0:08
15K
9.32 mi12:01:521:10:097:3223:13
7:28
-0:01
20K
12.43 mi12:25:151:33:327:3223:23
7:32
+0:04
Half
13.11 mi12:30:271:38:447:325:12
7:37
+0:05
25K
15.53 mi12:49:401:57:577:3619:13
7:56
+0:19
30K
18.64 mi13:15:502:24:077:4426:10
8:25
+0:29
20M
20.00 mi13:27:182:35:357:4711:28
8:26
+0:01
21M
21.00 mi13:36:472:45:047:529:29
9:29
+1:03
35K
21.75 mi13:42:492:51:067:526:02
8:04
-1:25
23M
23.00 mi13:54:153:02:327:5611:26
9:08
+1:04
24M
24.00 mi14:02:273:10:447:578:12
8:12
-0:56
40K
24.85 mi14:09:363:17:537:587:09
8:22
+0:10
25.2M
25.20 mi14:13:093:21:268:003:33
10:18
+1:56
Finish
26.22 mi14:21:513:30:088:018:42
8:32
-1:46

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

7:28 /mi

Average Pace

8:01 /mi

Slowest Pace

10:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:44

47% of race

Time at Steady Pace

1:26:56

41% of race

Time at Slower Pace

24:28

12% of race

Average Pace: 8:01 /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 mi11:15:2423:417:3723:41
7:37
#13328
10K
6.21 mi11:38:3946:567:3323:15
7:29
#12613
15K
9.32 mi12:01:521:10:097:3223:13
7:28
#12228
20K
12.43 mi12:25:151:33:327:3223:23
7:32
#11869
Half
13.11 mi12:30:271:38:447:325:12
7:37
#11908
25K
15.53 mi12:49:401:57:577:3619:13
7:56
#12118
30K
18.64 mi13:15:502:24:077:4426:10
8:25
#12517
20M
20.00 mi13:27:182:35:357:4711:28
8:26
#12559
21M
21.00 mi13:36:472:45:047:529:29
9:29
#12791
35K
21.75 mi13:42:492:51:067:526:02
8:04
#12784
23M
23.00 mi13:54:153:02:327:5611:26
9:08
#13054
24M
24.00 mi14:02:273:10:447:578:12
8:12
#13016
40K
24.85 mi14:09:363:17:537:587:09
8:22
#12988
25.2M
25.20 mi14:13:093:21:268:003:33
10:18
#13084
Finish
26.22 mi14:21:513:30:088:018:42
8:32
#13253
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi133283506350611553(Top 41%)2669(Top 22%)2669(Top 147%)
10K6.21 mi3.10 mi12613+7153134+3723134+37211980(Top 42%)2812(Top 23%)2812(Top 155%)
15K9.32 mi3.11 mi12228+3852964+1702964+17011553(Top 41%)2669(Top 22%)2669(Top 147%)
20K12.43 mi3.11 mi11869+3592801+1632801+16311013(Top 39%)2485(Top 20%)2485(Top 137%)
Half13.11 mi0.68 mi11908-392831-302831-3012847(Top 45%)3426(Top 28%)3426(Top 189%)
25K15.53 mi2.42 mi12118-2102980-1492980-14913316(Top 47%)3838(Top 31%)3838(Top 212%)
30K18.64 mi3.11 mi12517-3993279-2993279-29914276(Top 50%)4518(Top 37%)4518(Top 249%)
20M20.00 mi1.36 mi12559-423341-623341-6213407(Top 47%)4193(Top 34%)4193(Top 231%)
21M21.00 mi1.00 mi12791-2323498-1573498-15716004(Top 56%)5700(Top 47%)5700(Top 314%)
35K21.75 mi0.75 mi12784+73512-143512-1412725(Top 45%)4008(Top 33%)4008(Top 221%)
23M23.00 mi1.25 mi13054-2703702-1903702-19017003(Top 60%)6446(Top 53%)6446(Top 356%)
24M24.00 mi1.00 mi13016+383713-113713-1112587(Top 44%)4098(Top 34%)4098(Top 226%)
40K24.85 mi0.85 mi12988+283729-163729-1612572(Top 44%)4225(Top 35%)4225(Top 233%)
25.2M25.20 mi0.35 mi13084-963788-593788-5918280(Top 64%)7268(Top 59%)7268(Top 401%)
Finish26.22 mi1.02 mi13253-1693898-1103898-11016460(Top 58%)6270(Top 51%)6270(Top 346%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11553

Females

2669

F45-49

2669

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

11980

Females

2812

F45-49

2812

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11553

Females

2669

F45-49

2669

15K→20K

9.3 - 12.4 mi

Top 39%
×5story building
+106ft-86ft

Overall

11013

Females

2485

F45-49

2485

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12847

Females

3426

F45-49

3426

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

13316

Females

3838

F45-49

3838

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14276

Females

4518

F45-49

4518

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13407

Females

4193

F45-49

4193

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

16004

Females

5700

F45-49

5700

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12725

Females

4008

F45-49

4008

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

17003

Females

6446

F45-49

6446

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

12587

Females

4098

F45-49

4098

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12572

Females

4225

F45-49

4225

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18280

Females

7268

F45-49

7268

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16460

Females

6270

F45-49

6270

Passing Analysis

Category:
Athletes Passed
2382
Passed By
2307
Net Change
+75
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13328
5K → 10K78671+715#13328#12613
10K → 15K44358+385#12613#12228
15K → 20K40041+359#12228#11869
20K → Half2463-39#11869#11908
Half → 25K95305-210#11908#12118
25K → 30K147546-399#12118#12517
30K → 20M95137-42#12517#12559
20M → 21M57289-232#12559#12791
21M → 35K6457+7#12791#12784
35K → 23M55325-270#12784#13054
23M → 24M8749+38#13054#13016
24M → 40K8860+28#13016#12988
40K → 25.2M12108-96#12988#13084
25.2M → Finish29198-169#13084#13253
TOTALS23822307+75
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing