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BOSTON MARATHON 2025

Liliana Serrato

Bib: 22590•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 46%
Masters (Masters Women)
#0 / 6759
Top 33%
Division (F45-49)
#0 / 1813
Top 41%
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
8:13/mi
25:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
50:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:08/mi
1:16:13
↑ 67↓ 78
20K· 12.43 mi
8:15/mi
1:41:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:07/mi
1:47:23
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:07:24
↑ 66↓ 880.2%
30K· 18.64 mi
8:43/mi
2:34:28
↑ 181↓ 1480.2%
20M
8:51/mi
2:46:29
↑ 64↓ 500.2%
21M
9:36/mi
2:56:05
↑ 106↓ 241.6%
35K· 21.75 mi
8:28/mi
3:02:25
↑ 17↓ 861.7%
23M
8:44/mi
3:13:21
↑ 23↓ 630.6%
24M
8:40/mi
3:22:01
↓ 821.3%
40K· 24.85 mi
9:02/mi
3:29:44
↓ 200.3%
25.2M
9:43/mi
3:33:05
↑ 13↓ 160.2%
Finish· 26.22 mi
8:34/mi
3:41:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:23
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:54:26
Pace8:44 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3325:338:1325:33
8:13
-
10K
6.21 mi11:47:5850:588:1225:25
8:11
-0:02
15K
9.32 mi12:13:131:16:138:1125:15
8:08
-0:03
20K
12.43 mi12:38:511:41:518:1225:38
8:15
+0:07
Half
13.11 mi12:44:231:47:238:115:32
8:07
-0:08
25K
15.53 mi13:04:242:07:248:1220:01
8:15
+0:08
30K
18.64 mi13:31:282:34:288:1727:04
8:43
+0:28
20M
20.00 mi13:43:292:46:298:1912:01
8:51
+0:08
21M
21.00 mi13:53:052:56:058:239:36
9:36
+0:45
35K
21.75 mi13:59:253:02:258:236:20
8:28
-1:08
23M
23.00 mi14:10:213:13:218:2410:56
8:44
+0:16
24M
24.00 mi14:19:013:22:018:258:40
8:40
-0:04
40K
24.85 mi14:26:443:29:448:267:43
9:02
+0:22
25.2M
25.20 mi14:30:053:33:058:273:21
9:43
+0:41
Finish
26.22 mi14:38:493:41:498:288:44
8:34
-1:09

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

8:07 /mi

Average Pace

8:28 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:21:09

91% of race

Time at Steady Pace

7:43

3% of race

Time at Slower Pace

12:57

6% of race

Average Pace: 8:28 /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 mi11:22:3325:338:1325:33
8:13
#18269
10K
6.21 mi11:47:5850:588:1225:25
8:11
#17998
15K
9.32 mi12:13:131:16:138:1125:15
8:08
#17617
20K
12.43 mi12:38:511:41:518:1225:38
8:15
#17319
Half
13.11 mi12:44:231:47:238:115:32
8:07
#17274
25K
15.53 mi13:04:242:07:248:1220:01
8:15
#16968
30K
18.64 mi13:31:282:34:288:1727:04
8:43
#16750
20M
20.00 mi13:43:292:46:298:1912:01
8:51
#16664
21M
21.00 mi13:53:052:56:058:239:36
9:36
#16613
35K
21.75 mi13:59:253:02:258:236:20
8:28
#16534
23M
23.00 mi14:10:213:13:218:2410:56
8:44
#16386
24M
24.00 mi14:19:013:22:018:258:40
8:40
#16314
40K
24.85 mi14:26:443:29:448:267:43
9:02
#16331
25.2M
25.20 mi14:30:053:33:058:273:21
9:43
#16311
Finish
26.22 mi14:38:493:41:498:288:44
8:34
#16326
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi182696505650516936(Top 60%)5697(Top 47%)5697(Top 314%)
10K6.21 mi3.10 mi17998+2716325+1806325+18017765(Top 63%)6158(Top 50%)6158(Top 340%)
15K9.32 mi3.11 mi17617+3816088+2376088+23716936(Top 60%)5697(Top 47%)5697(Top 314%)
20K12.43 mi3.11 mi17319+2985926+1625926+16216636(Top 59%)5567(Top 46%)5567(Top 307%)
Half13.11 mi0.68 mi17274+455912+145912+1416734(Top 59%)5609(Top 46%)5609(Top 309%)
25K15.53 mi2.42 mi16968+3065741+1715741+17115662(Top 55%)5110(Top 42%)5110(Top 282%)
30K18.64 mi3.11 mi16750+2185667+745667+7416075(Top 57%)5506(Top 45%)5506(Top 304%)
20M20.00 mi1.36 mi16664+865640+275640+2715917(Top 56%)5544(Top 45%)5544(Top 306%)
21M21.00 mi1.00 mi16613+515645-55645-516567(Top 58%)6013(Top 49%)6013(Top 332%)
35K21.75 mi0.75 mi16534+795625+205625+2015288(Top 54%)5399(Top 44%)5399(Top 298%)
23M23.00 mi1.25 mi16386+1485565+605565+6014753(Top 52%)5203(Top 43%)5203(Top 287%)
24M24.00 mi1.00 mi16314+725557+85557+815558(Top 55%)5671(Top 46%)5671(Top 313%)
40K24.85 mi0.85 mi16331-175598-415598-4116470(Top 58%)6293(Top 51%)6293(Top 347%)
25.2M25.20 mi0.35 mi16311+205590+85590+815736(Top 55%)5947(Top 49%)5947(Top 328%)
Finish26.22 mi1.02 mi16326-155622-325622-3216688(Top 59%)6393(Top 52%)6393(Top 353%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16936

Females

5697

F45-49

5697

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17765

Females

6158

F45-49

6158

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16936

Females

5697

F45-49

5697

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16636

Females

5567

F45-49

5567

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16734

Females

5609

F45-49

5609

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15662

Females

5110

F45-49

5110

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16075

Females

5506

F45-49

5506

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15917

Females

5544

F45-49

5544

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16567

Females

6013

F45-49

6013

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

15288

Females

5399

F45-49

5399

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

14753

Females

5203

F45-49

5203

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15558

Females

5671

F45-49

5671

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16470

Females

6293

F45-49

6293

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

15736

Females

5947

F45-49

5947

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16688

Females

6393

F45-49

6393

Passing Analysis

Category:
Athletes Passed
2781
Passed By
838
Net Change
+1943
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18269
5K → 10K434163+271#18269#17998
10K → 15K43251+381#17998#17617
15K → 20K35254+298#17617#17319
20K → Half5510+45#17319#17274
Half → 25K33630+306#17274#16968
25K → 30K328110+218#16968#16750
30K → 20M14155+86#16750#16664
20M → 21M13079+51#16664#16613
21M → 35K10122+79#16613#16534
35K → 23M19042+148#16534#16386
23M → 24M11543+72#16386#16314
24M → 40K6279-17#16314#16331
40K → 25.2M4020+20#16331#16311
25.2M → Finish6580-15#16311#16326
TOTALS2781838+1943
📊

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