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BOSTON MARATHON 2025

Lorena Casillas

Bib: 22716•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 42%
Masters (Masters Women)
#0 / 6759
Top 28%
Division (F50-54)
#0 / 1303
Top 20%
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
8:08/mi
25:15
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
50:11
↑ 79↓ 1380.4%
15K· 9.32 mi
8:13/mi
1:15:43
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:41:29
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:46:57
↑ 19↓ 370.5%
25K· 15.53 mi
8:17/mi
2:07:01
↑ 66↓ 880.2%
30K· 18.64 mi
8:31/mi
2:33:29
↑ 181↓ 1480.2%
20M
8:34/mi
2:45:07
↑ 64↓ 500.2%
21M
9:10/mi
2:54:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
3:00:36
↑ 17↓ 861.7%
23M
8:21/mi
3:11:03
↑ 23↓ 630.6%
24M
8:09/mi
3:19:12
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:26:18
↓ 200.3%
25.2M
9:17/mi
3:29:30
↑ 13↓ 160.2%
Finish· 26.22 mi
8:16/mi
3:37:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:57
Pace8:09 /mi
2nd Half
Distance13.11 mi
Time1:50:58
Pace8:28 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3925:158:0825:15
8:08
-
10K
6.21 mi11:46:3550:118:0524:56
8:02
-0:06
15K
9.32 mi12:12:071:15:438:0725:32
8:13
+0:11
20K
12.43 mi12:37:531:41:298:1025:46
8:18
+0:05
Half
13.11 mi12:43:211:46:578:095:28
8:01
-0:17
25K
15.53 mi13:03:252:07:018:1120:04
8:17
+0:16
30K
18.64 mi13:29:532:33:298:1426:28
8:31
+0:14
20M
20.00 mi13:41:312:45:078:1511:38
8:34
+0:03
21M
21.00 mi13:50:412:54:178:189:10
9:10
+0:36
35K
21.75 mi13:57:003:00:368:186:19
8:27
-0:43
23M
23.00 mi14:07:273:11:038:1810:27
8:21
-0:06
24M
24.00 mi14:15:363:19:128:188:09
8:09
-0:12
40K
24.85 mi14:22:423:26:188:187:06
8:18
+0:09
25.2M
25.20 mi14:25:543:29:308:193:12
9:17
+0:59
Finish
26.22 mi14:34:193:37:558:198:25
8:16
-1:01

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

8:01 /mi

Average Pace

8:19 /mi

Slowest Pace

9:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:33

94% of race

Time at Steady Pace

12:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:19 /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 mi11:21:3925:158:0825:15
8:08
#17558
10K
6.21 mi11:46:3550:118:0524:56
8:02
#17088
15K
9.32 mi12:12:071:15:438:0725:32
8:13
#17254
20K
12.43 mi12:37:531:41:298:1025:46
8:18
#17128
Half
13.11 mi12:43:211:46:578:095:28
8:01
#17065
25K
15.53 mi13:03:252:07:018:1120:04
8:17
#16815
30K
18.64 mi13:29:532:33:298:1426:28
8:31
#16429
20M
20.00 mi13:41:312:45:078:1511:38
8:34
#16232
21M
21.00 mi13:50:412:54:178:189:10
9:10
#16073
35K
21.75 mi13:57:003:00:368:186:19
8:27
#16003
23M
23.00 mi14:07:273:11:038:1810:27
8:21
#15730
24M
24.00 mi14:15:363:19:128:188:09
8:09
#15582
40K
24.85 mi14:22:423:26:188:187:06
8:18
#15446
25.2M
25.20 mi14:25:543:29:308:193:12
9:17
#15402
Finish
26.22 mi14:34:193:37:558:198:25
8:16
#15363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi175586065606517502(Top 62%)6010(Top 49%)6010(Top 461%)
10K6.21 mi3.10 mi17088+4705777+2885777+28816676(Top 59%)5527(Top 45%)5527(Top 424%)
15K9.32 mi3.11 mi17254-1665864-875864-8717502(Top 62%)6010(Top 49%)6010(Top 461%)
20K12.43 mi3.11 mi17128+1265818+465818+4616908(Top 60%)5722(Top 47%)5722(Top 439%)
Half13.11 mi0.68 mi17065+635785+335785+3316058(Top 57%)5219(Top 43%)5219(Top 401%)
25K15.53 mi2.42 mi16815+2505653+1325653+13215777(Top 56%)5180(Top 42%)5180(Top 398%)
30K18.64 mi3.11 mi16429+3865484+1695484+16914884(Top 52%)4842(Top 40%)4842(Top 372%)
20M20.00 mi1.36 mi16232+1975399+855399+8514192(Top 50%)4614(Top 38%)4614(Top 354%)
21M21.00 mi1.00 mi16073+1595339+605339+6014457(Top 51%)4869(Top 40%)4869(Top 374%)
35K21.75 mi0.75 mi16003+705324+155324+1515154(Top 53%)5316(Top 43%)5316(Top 408%)
23M23.00 mi1.25 mi15730+2735209+1155209+11512361(Top 44%)3944(Top 32%)3944(Top 303%)
24M24.00 mi1.00 mi15582+1485138+715138+7112275(Top 43%)3945(Top 32%)3945(Top 303%)
40K24.85 mi0.85 mi15446+1365098+405098+4012221(Top 43%)4043(Top 33%)4043(Top 310%)
25.2M25.20 mi0.35 mi15402+445082+165082+1613417(Top 47%)4726(Top 39%)4726(Top 363%)
Finish26.22 mi1.02 mi15363+395084-25084-214687(Top 52%)5308(Top 43%)5308(Top 407%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

17502

Females

6010

F50-54

6010

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16676

Females

5527

F50-54

5527

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

17502

Females

6010

F50-54

6010

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

16908

Females

5722

F50-54

5722

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16058

Females

5219

F50-54

5219

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

15777

Females

5180

F50-54

5180

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14884

Females

4842

F50-54

4842

30K→20M

18.6 - 20.0 mi

Top 50%
×5story building
+64ft-50ft

Overall

14192

Females

4614

F50-54

4614

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

14457

Females

4869

F50-54

4869

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15154

Females

5316

F50-54

5316

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12361

Females

3944

F50-54

3944

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12275

Females

3945

F50-54

3945

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12221

Females

4043

F50-54

4043

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13417

Females

4726

F50-54

4726

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

14687

Females

5308

F50-54

5308

Passing Analysis

Category:
Athletes Passed
2977
Passed By
782
Net Change
+2195
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17558
5K → 10K589119+470#17558#17088
10K → 15K132298-166#17088#17254
15K → 20K247121+126#17254#17128
20K → Half696+63#17128#17065
Half → 25K27929+250#17065#16815
25K → 30K45064+386#16815#16429
30K → 20M21013+197#16429#16232
20M → 21M19233+159#16232#16073
21M → 35K9828+70#16073#16003
35K → 23M28411+273#16003#15730
23M → 24M1513+148#15730#15582
24M → 40K14711+136#15582#15446
40K → 25.2M528+44#15446#15402
25.2M → Finish7738+39#15402#15363
TOTALS2977782+2195
📊

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