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BOSTON MARATHON 2025

Maria Díez De Lucas

Bib: 28529•F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:13
Rank: #23933
Start → 5K
29:13 | 9:24/mi
10K· 6.21 mi
57:40
Rank: #23483 (+450)
5K → 10K
28:27 | 9:09/mi
15K· 9.32 mi
1:24:45
Rank: #22668 (+815)
10K → 15K
27:05 | 8:43/mi
20K· 12.43 mi
1:52:57
Rank: #22311 (+357)
15K → 20K
28:12 | 9:05/mi
Half· 13.11 mi
1:58:50
Rank: #22195 (+116)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:20:14
Rank: #21686 (+509)
Half → 25K
21:24 | 8:50/mi
30K· 18.64 mi
2:50:02
Rank: #21417 (+269)
25K → 30K
29:48 | 9:36/mi
20M
3:02:39
Rank: #21172 (+245)
30K → 20M
12:37 | 9:17/mi
21M
3:12:19
Rank: #20923 (+249)
20M → 21M
9:40 | 9:40/mi
35K· 21.75 mi
3:18:59
Rank: #20801 (+122)
21M → 35K
6:40 | 8:55/mi
23M
3:31:24
Rank: #20789 (+12)
35K → 23M
12:25 | 9:55/mi
24M
3:40:10
Rank: #20606 (+183)
23M → 24M
8:46 | 8:46/mi
40K· 24.85 mi
3:47:37
Rank: #20443 (+163)
24M → 40K
7:27 | 8:43/mi
25.2M
3:50:54
Rank: #20372 (+71)
40K → 25.2M
3:17 | 9:31/mi
Finish· 26.22 mi
3:59:05
Rank: #20173 (+199)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:50
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:00:15
Pace9:10 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:4429:139:2429:13
9:24
-
10K
6.21 mi12:17:1157:409:1728:27
9:09
-0:15
15K
9.32 mi12:44:161:24:459:0627:05
8:43
-0:26
20K
12.43 mi13:12:281:52:579:0528:12
9:05
+0:22
Half
13.11 mi13:18:211:58:509:045:53
8:37
-0:28
25K
15.53 mi13:39:452:20:149:0221:24
8:50
+0:13
30K
18.64 mi14:09:332:50:029:0729:48
9:36
+0:46
20M
20.00 mi14:22:103:02:399:0812:37
9:17
-0:19
21M
21.00 mi14:31:503:12:199:099:40
9:40
+0:23
35K
21.75 mi14:38:303:18:599:096:40
8:55
-0:45
23M
23.00 mi14:50:553:31:249:1112:25
9:55
+1:00
24M
24.00 mi14:59:413:40:109:108:46
8:46
-1:09
40K
24.85 mi15:07:083:47:379:097:27
8:43
-0:03
25.2M
25.20 mi15:10:253:50:549:103:17
9:31
+0:48
Finish
26.22 mi15:18:363:59:059:088:11
8:02
-1:29

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

8:02 /mi

Average Pace

9:08 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:18:46

33% of race

Time at Steady Pace

1:15:56

32% of race

Time at Slower Pace

1:24:23

35% of race

Average Pace: 9:07 /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 mi11:48:4429:139:2429:13
9:24
#23933
10K
6.21 mi12:17:1157:409:1728:27
9:09
#23483
15K
9.32 mi12:44:161:24:459:0627:05
8:43
#22668
20K
12.43 mi13:12:281:52:579:0528:12
9:05
#22311
Half
13.11 mi13:18:211:58:509:045:53
8:37
#22195
25K
15.53 mi13:39:452:20:149:0221:24
8:50
#21686
30K
18.64 mi14:09:332:50:029:0729:48
9:36
#21417
20M
20.00 mi14:22:103:02:399:0812:37
9:17
#21172
21M
21.00 mi14:31:503:12:199:099:40
9:40
#20923
35K
21.75 mi14:38:303:18:599:096:40
8:55
#20801
23M
23.00 mi14:50:553:31:249:1112:25
9:55
#20789
24M
24.00 mi14:59:413:40:109:108:46
8:46
#20606
40K
24.85 mi15:07:083:47:379:097:27
8:43
#20443
25.2M
25.20 mi15:10:253:50:549:103:17
9:31
#20372
Finish
26.22 mi15:18:363:59:059:088:11
8:02
#20173
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi239339664966420591(Top 72%)7766(Top 64%)7766(Top 142%)
10K6.21 mi3.10 mi23483+4509408+2569408+25623032(Top 81%)9151(Top 75%)9151(Top 167%)
15K9.32 mi3.11 mi22668+8158945+4638945+46320591(Top 72%)7766(Top 64%)7766(Top 142%)
20K12.43 mi3.11 mi22311+3578765+1808765+18021351(Top 75%)8229(Top 67%)8229(Top 150%)
Half13.11 mi0.68 mi22195+1168705+608705+6019989(Top 70%)7477(Top 61%)7477(Top 137%)
25K15.53 mi2.42 mi21686+5098434+2718434+27119079(Top 67%)7020(Top 57%)7020(Top 128%)
30K18.64 mi3.11 mi21417+2698313+1218313+12120320(Top 72%)7832(Top 64%)7832(Top 143%)
20M20.00 mi1.36 mi21172+2458203+1108203+11018249(Top 64%)6867(Top 56%)6867(Top 126%)
21M21.00 mi1.00 mi20923+2498081+1228081+12216909(Top 60%)6219(Top 51%)6219(Top 114%)
35K21.75 mi0.75 mi20801+1228033+488033+4817858(Top 63%)6834(Top 56%)6834(Top 125%)
23M23.00 mi1.25 mi20789+128046-138046-1320241(Top 71%)8168(Top 67%)8168(Top 149%)
24M24.00 mi1.00 mi20606+1837964+827964+8216175(Top 57%)6044(Top 49%)6044(Top 111%)
40K24.85 mi0.85 mi20443+1637891+737891+7314751(Top 52%)5405(Top 44%)5405(Top 99%)
25.2M25.20 mi0.35 mi20372+717860+317860+3114811(Top 52%)5481(Top 45%)5481(Top 100%)
Finish26.22 mi1.02 mi20173+1997768+927768+9213149(Top 46%)4537(Top 37%)4537(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

20591

Females

7766

F18-39

7766

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

23032

Females

9151

F18-39

9151

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

20591

Females

7766

F18-39

7766

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

21351

Females

8229

F18-39

8229

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19989

Females

7477

F18-39

7477

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

19079

Females

7020

F18-39

7020

25K→30K

15.5 - 18.6 mi

Top 72%
×9stories
+181ft-148ft

Overall

20320

Females

7832

F18-39

7832

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

18249

Females

6867

F18-39

6867

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

16909

Females

6219

F18-39

6219

21M→35K

21.0 - 21.8 mi

Top 63%
×7stories
+17ft-86ft

Overall

17858

Females

6834

F18-39

6834

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

20241

Females

8168

F18-39

8168

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16175

Females

6044

F18-39

6044

24M→40K

24.0 - 24.9 mi

Top 52%
×1story
+6ft-20ft

Overall

14751

Females

5405

F18-39

5405

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1story
+13ft-16ft

Overall

14811

Females

5481

F18-39

5481

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

13149

Females

4537

F18-39

4537

Passing Analysis

Category:
Athletes Passed
4049
Passed By
289
Net Change
+3760
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23933
5K → 10K52373+450#23933#23483
10K → 15K8205+815#23483#22668
15K → 20K38427+357#22668#22311
20K → Half1193+116#22311#22195
Half → 25K5101+509#22195#21686
25K → 30K33768+269#21686#21417
30K → 20M2494+245#21417#21172
20M → 21M2523+249#21172#20923
21M → 35K1319+122#20923#20801
35K → 23M9280+12#20801#20789
23M → 24M1874+183#20789#20606
24M → 40K1674+163#20606#20443
40K → 25.2M765+71#20443#20372
25.2M → Finish2023+199#20372#20173
TOTALS4049289+3760
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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