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BOSTON MARATHON 2025

Liliana Sarafian

Bib: 30710•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Division (F50-54)
#0 / 1303
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
33:19
Rank: #27158
Start → 5K
33:19 | 10:43/mi
10K· 6.21 mi
1:07:34
Rank: #27151 (+7)
5K → 10K
34:15 | 11:01/mi
15K· 9.32 mi
1:41:50
Rank: #26974 (+177)
10K → 15K
34:16 | 11:02/mi
20K· 12.43 mi
2:16:32
Rank: #26755 (+219)
15K → 20K
34:42 | 11:10/mi
Half· 13.11 mi
2:24:04
Rank: #26748 (+7)
20K → Half
7:32 | 11:02/mi
25K· 15.53 mi
2:51:42
Rank: #26568 (+180)
Half → 25K
27:38 | 11:24/mi
30K· 18.64 mi
3:28:35
Rank: #26373 (+195)
25K → 30K
36:53 | 11:52/mi
20M
3:44:38
Rank: #26261 (+112)
30K → 20M
16:03 | 11:49/mi
21M
3:57:57
Rank: #26244 (+17)
20M → 21M
13:19 | 13:19/mi
35K· 21.75 mi
4:06:40
Rank: #26222 (+22)
21M → 35K
8:43 | 11:39/mi
23M
4:21:30
Rank: #26152 (+70)
35K → 23M
14:50 | 11:51/mi
24M
4:33:18
Rank: #26118 (+34)
23M → 24M
11:48 | 11:48/mi
40K· 24.85 mi
4:42:56
Rank: #26071 (+47)
24M → 40K
9:38 | 11:16/mi
25.2M
4:47:21
Rank: #26065 (+6)
40K → 25.2M
4:25 | 12:48/mi
Finish· 26.22 mi
4:58:49
Rank: #26078 (-13)
25.2M → Finish
11:28 | 11:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:24:04
Pace10:59 /mi
2nd Half
Distance13.11 mi
Time2:34:45
Pace11:48 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:1533:1910:4333:19
10:43
-
10K
6.21 mi12:28:301:07:3410:5234:15
11:01
+0:18
15K
9.32 mi13:02:461:41:5010:5634:16
11:02
+0:01
20K
12.43 mi13:37:282:16:3210:5934:42
11:10
+0:08
Half
13.11 mi13:45:002:24:0410:597:32
11:02
-0:08
25K
15.53 mi14:12:382:51:4211:0327:38
11:24
+0:22
30K
18.64 mi14:49:313:28:3511:1136:53
11:52
+0:28
20M
20.00 mi15:05:343:44:3811:1416:03
11:49
-0:03
21M
21.00 mi15:18:533:57:5711:2013:19
13:19
+1:30
35K
21.75 mi15:27:364:06:4011:218:43
11:39
-1:40
23M
23.00 mi15:42:264:21:3011:2214:50
11:51
+0:12
24M
24.00 mi15:54:144:33:1811:2311:48
11:48
-0:03
40K
24.85 mi16:03:524:42:5611:239:38
11:16
-0:32
25.2M
25.20 mi16:08:174:47:2111:244:25
12:48
+1:32
Finish
26.22 mi16:19:454:58:4911:2411:28
11:15
-1:33

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

10:43 /mi

Average Pace

11:24 /mi

Slowest Pace

13:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:22

37% of race

Time at Steady Pace

1:32:09

31% of race

Time at Slower Pace

1:37:18

33% of race

Average Pace: 11:24 /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 mi11:54:1533:1910:4333:19
10:43
#27158
10K
6.21 mi12:28:301:07:3410:5234:15
11:01
#27151
15K
9.32 mi13:02:461:41:5010:5634:16
11:02
#26974
20K
12.43 mi13:37:282:16:3210:5934:42
11:10
#26755
Half
13.11 mi13:45:002:24:0410:597:32
11:02
#26748
25K
15.53 mi14:12:382:51:4211:0327:38
11:24
#26568
30K
18.64 mi14:49:313:28:3511:1136:53
11:52
#26373
20M
20.00 mi15:05:343:44:3811:1416:03
11:49
#26261
21M
21.00 mi15:18:533:57:5711:2013:19
13:19
#26244
35K
21.75 mi15:27:364:06:4011:218:43
11:39
#26222
23M
23.00 mi15:42:264:21:3011:2214:50
11:51
#26152
24M
24.00 mi15:54:144:33:1811:2311:48
11:48
#26118
40K
24.85 mi16:03:524:42:5611:239:38
11:16
#26071
25.2M
25.20 mi16:08:174:47:2111:244:25
12:48
#26065
Finish
26.22 mi16:19:454:58:4911:2411:28
11:15
#26078
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi27158114231142326703(Top 94%)11194(Top 92%)11194(Top 859%)
10K6.21 mi3.10 mi27151+711446-2311446-2327085(Top 95%)11411(Top 93%)11411(Top 876%)
15K9.32 mi3.11 mi26974+17711344+10211344+10226703(Top 94%)11194(Top 92%)11194(Top 859%)
20K12.43 mi3.11 mi26755+21911211+13311211+13326248(Top 92%)10940(Top 89%)10940(Top 840%)
Half13.11 mi0.68 mi26748+711208+311208+326539(Top 93%)11142(Top 91%)11142(Top 855%)
25K15.53 mi2.42 mi26568+18011119+8911119+8925731(Top 91%)10712(Top 88%)10712(Top 822%)
30K18.64 mi3.11 mi26373+19511026+9311026+9325410(Top 89%)10624(Top 87%)10624(Top 815%)
20M20.00 mi1.36 mi26261+11210981+4510981+4524986(Top 88%)10466(Top 86%)10466(Top 803%)
21M21.00 mi1.00 mi26244+1710986-510986-525450(Top 90%)10784(Top 88%)10784(Top 828%)
35K21.75 mi0.75 mi26222+2210977+910977+925320(Top 89%)10753(Top 88%)10753(Top 825%)
23M23.00 mi1.25 mi26152+7010949+2810949+2824846(Top 87%)10521(Top 86%)10521(Top 807%)
24M24.00 mi1.00 mi26118+3410943+610943+625396(Top 89%)10826(Top 89%)10826(Top 831%)
40K24.85 mi0.85 mi26071+4710917+2610917+2623686(Top 83%)10027(Top 82%)10027(Top 770%)
25.2M25.20 mi0.35 mi26065+610919-210919-224716(Top 87%)10534(Top 86%)10534(Top 808%)
Finish26.22 mi1.02 mi26078-1310928-910928-925788(Top 91%)11039(Top 90%)11039(Top 847%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

26703

Females

11194

F50-54

11194

5K→10K

3.1 - 6.2 mi

Top 95%
×5stories
+79ft-138ft

Overall

27085

Females

11411

F50-54

11411

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

26703

Females

11194

F50-54

11194

15K→20K

9.3 - 12.4 mi

Top 92%
×5stories
+106ft-86ft

Overall

26248

Females

10940

F50-54

10940

20K→Half

12.4 - 13.1 mi

Top 93%
×2stories
+19ft-37ft

Overall

26539

Females

11142

F50-54

11142

Half→25K

13.1 - 15.5 mi

Top 91%
×4stories
+66ft-88ft

Overall

25731

Females

10712

F50-54

10712

25K→30K

15.5 - 18.6 mi

Top 89%
×9stories
+181ft-148ft

Overall

25410

Females

10624

F50-54

10624

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

24986

Females

10466

F50-54

10466

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

25450

Females

10784

F50-54

10784

21M→35K

21.0 - 21.8 mi

Top 89%
×7stories
+17ft-86ft

Overall

25320

Females

10753

F50-54

10753

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

24846

Females

10521

F50-54

10521

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25396

Females

10826

F50-54

10826

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

23686

Females

10027

F50-54

10027

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24716

Females

10534

F50-54

10534

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25788

Females

11039

F50-54

11039

Passing Analysis

Category:
Athletes Passed
1450
Passed By
370
Net Change
+1080
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27158
5K → 10K152145+7#27158#27151
10K → 15K20831+177#27151#26974
15K → 20K23415+219#26974#26755
20K → Half2114+7#26755#26748
Half → 25K20424+180#26748#26568
25K → 30K21015+195#26568#26373
30K → 20M1164+112#26373#26261
20M → 21M5740+17#26261#26244
21M → 35K3816+22#26244#26222
35K → 23M8111+70#26222#26152
23M → 24M4612+34#26152#26118
24M → 40K536+47#26118#26071
40K → 25.2M1610+6#26071#26065
25.2M → Finish1427-13#26065#26078
TOTALS1450370+1080
📊

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