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BOSTON MARATHON 2025

Sarah Litwin

Bib: 25891•F

MA

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
31:36
Rank: #25992
Start → 5K
31:36 | 10:10/mi
10K· 6.21 mi
1:04:35
Rank: #26271 (-279)
5K → 10K
32:59 | 10:37/mi
15K· 9.32 mi
1:38:08
Rank: #26339 (-68)
10K → 15K
33:33 | 10:48/mi
20K· 12.43 mi
2:12:59
Rank: #26316 (+23)
15K → 20K
34:51 | 11:13/mi
Half· 13.11 mi
2:20:43
Rank: #26368 (-52)
20K → Half
7:44 | 11:20/mi
25K· 15.53 mi
2:49:29
Rank: #26359 (+9)
Half → 25K
28:46 | 11:52/mi
30K· 18.64 mi
3:28:04
Rank: #26323 (+36)
25K → 30K
38:35 | 12:25/mi
20M
3:45:05
Rank: #26301 (+22)
30K → 20M
17:01 | 12:31/mi
21M
3:58:03
Rank: #26250 (+51)
20M → 21M
12:58 | 12:58/mi
35K· 21.75 mi
4:07:20
Rank: #26266 (-16)
21M → 35K
9:17 | 12:25/mi
23M
4:22:51
Rank: #26233 (+33)
35K → 23M
15:31 | 12:24/mi
24M
4:34:49
Rank: #26215 (+18)
23M → 24M
11:58 | 11:58/mi
40K· 24.85 mi
4:45:09
Rank: #26193 (+22)
24M → 40K
10:20 | 12:05/mi
25.2M
4:49:33
Rank: #26181 (+12)
40K → 25.2M
4:24 | 12:46/mi
Finish· 26.22 mi
5:00:37
Rank: #26160 (+21)
25.2M → Finish
11:04 | 10:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:43
Pace10:44 /mi
2nd Half
Distance13.11 mi
Time2:39:54
Pace12:12 /mi
📊Positive Split: 13.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:5231:3610:1031:36
10:10
-
10K
6.21 mi12:27:511:04:3510:2432:59
10:37
+0:27
15K
9.32 mi13:01:241:38:0810:3233:33
10:48
+0:11
20K
12.43 mi13:36:152:12:5910:4234:51
11:13
+0:25
Half
13.11 mi13:43:592:20:4310:447:44
11:20
+0:07
25K
15.53 mi14:12:452:49:2910:5528:46
11:52
+0:32
30K
18.64 mi14:51:203:28:0411:1038:35
12:25
+0:33
20M
20.00 mi15:08:213:45:0511:1517:01
12:31
+0:06
21M
21.00 mi15:21:193:58:0311:2012:58
12:58
+0:27
35K
21.75 mi15:30:364:07:2011:229:17
12:25
-0:33
23M
23.00 mi15:46:074:22:5111:2615:31
12:24
-0:01
24M
24.00 mi15:58:054:34:4911:2711:58
11:58
-0:26
40K
24.85 mi16:08:254:45:0911:2810:20
12:05
+0:07
25.2M
25.20 mi16:12:494:49:3311:294:24
12:46
+0:41
Finish
26.22 mi16:23:535:00:3711:2811:04
10:52
-1:54

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

10:10 /mi

Average Pace

11:28 /mi

Slowest Pace

12:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:47

50% of race

Time at Steady Pace

51:04

17% of race

Time at Slower Pace

1:37:46

33% of race

Average Pace: 11:28 /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 mi11:54:5231:3610:1031:36
10:10
#25992
10K
6.21 mi12:27:511:04:3510:2432:59
10:37
#26271
15K
9.32 mi13:01:241:38:0810:3233:33
10:48
#26339
20K
12.43 mi13:36:152:12:5910:4234:51
11:13
#26316
Half
13.11 mi13:43:592:20:4310:447:44
11:20
#26368
25K
15.53 mi14:12:452:49:2910:5528:46
11:52
#26359
30K
18.64 mi14:51:203:28:0411:1038:35
12:25
#26323
20M
20.00 mi15:08:213:45:0511:1517:01
12:31
#26301
21M
21.00 mi15:21:193:58:0311:2012:58
12:58
#26250
35K
21.75 mi15:30:364:07:2011:229:17
12:25
#26266
23M
23.00 mi15:46:074:22:5111:2615:31
12:24
#26233
24M
24.00 mi15:58:054:34:4911:2711:58
11:58
#26215
40K
24.85 mi16:08:254:45:0911:2810:20
12:05
#26193
25.2M
25.20 mi16:12:494:49:3311:294:24
12:46
#26181
Finish
26.22 mi16:23:535:00:3711:2811:04
10:52
#26160
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25992107541075426407(Top 93%)11008(Top 90%)11008(Top 201%)
10K6.21 mi3.10 mi26271-27910919-16510919-16526457(Top 93%)11046(Top 90%)11046(Top 202%)
15K9.32 mi3.11 mi26339-6810971-5210971-5226407(Top 93%)11008(Top 90%)11008(Top 201%)
20K12.43 mi3.11 mi26316+2310956+1510956+1526307(Top 93%)10978(Top 90%)10978(Top 201%)
Half13.11 mi0.68 mi26368-5210989-3310989-3326888(Top 95%)11347(Top 93%)11347(Top 207%)
25K15.53 mi2.42 mi26359+910987+210987+226273(Top 92%)11012(Top 90%)11012(Top 201%)
30K18.64 mi3.11 mi26323+3610998-1110998-1126084(Top 92%)10984(Top 90%)10984(Top 201%)
20M20.00 mi1.36 mi26301+2211003-511003-525925(Top 91%)10974(Top 90%)10974(Top 201%)
21M21.00 mi1.00 mi26250+5110991+1210991+1224992(Top 88%)10568(Top 86%)10568(Top 193%)
35K21.75 mi0.75 mi26266-1611004-1311004-1326359(Top 93%)11265(Top 92%)11265(Top 206%)
23M23.00 mi1.25 mi26233+3311000+411000+425645(Top 90%)10931(Top 89%)10931(Top 200%)
24M24.00 mi1.00 mi26215+1811004-411004-425629(Top 90%)10952(Top 90%)10952(Top 200%)
40K24.85 mi0.85 mi26193+2210997+710997+725046(Top 88%)10697(Top 87%)10697(Top 196%)
25.2M25.20 mi0.35 mi26181+1210992+510992+524629(Top 87%)10490(Top 86%)10490(Top 192%)
Finish26.22 mi1.02 mi26160+2110981+1110981+1125067(Top 88%)10686(Top 87%)10686(Top 195%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21stories
+97ft-345ft

Overall

26407

Females

11008

F18-39

11008

5K→10K

3.1 - 6.2 mi

Top 93%
×5stories
+79ft-138ft

Overall

26457

Females

11046

F18-39

11046

10K→15K

6.2 - 9.3 mi

Top 93%
×3stories
+67ft-78ft

Overall

26407

Females

11008

F18-39

11008

15K→20K

9.3 - 12.4 mi

Top 93%
×5stories
+106ft-86ft

Overall

26307

Females

10978

F18-39

10978

20K→Half

12.4 - 13.1 mi

Top 95%
×2stories
+19ft-37ft

Overall

26888

Females

11347

F18-39

11347

Half→25K

13.1 - 15.5 mi

Top 92%
×4stories
+66ft-88ft

Overall

26273

Females

11012

F18-39

11012

25K→30K

15.5 - 18.6 mi

Top 92%
×9stories
+181ft-148ft

Overall

26084

Females

10984

F18-39

10984

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

25925

Females

10974

F18-39

10974

20M→21M

20.0 - 21.0 mi

Top 88%
×8stories
+106ft-24ft

Overall

24992

Females

10568

F18-39

10568

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

26359

Females

11265

F18-39

11265

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

25645

Females

10931

F18-39

10931

23M→24M

23.0 - 24.0 mi

Top 90%
×6stories
+12ft-82ft

Overall

25629

Females

10952

F18-39

10952

24M→40K

24.0 - 24.9 mi

Top 88%
×1story
+6ft-20ft

Overall

25046

Females

10697

F18-39

10697

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

24629

Females

10490

F18-39

10490

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2stories
+22ft-21ft

Overall

25067

Females

10686

F18-39

10686

Passing Analysis

Category:
Athletes Passed
874
Passed By
1042
Net Change
-168
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25992
5K → 10K83362-279#25992#26271
10K → 15K108176-68#26271#26339
15K → 20K134111+23#26339#26316
20K → Half456-52#26316#26368
Half → 25K9586+9#26368#26359
25K → 30K11882+36#26359#26323
30K → 20M6543+22#26323#26301
20M → 21M7423+51#26301#26250
21M → 35K1834-16#26250#26266
35K → 23M5421+33#26266#26233
23M → 24M3618+18#26233#26215
24M → 40K3210+22#26215#26193
40K → 25.2M175+12#26193#26181
25.2M → Finish3615+21#26181#26160
TOTALS8741042-168
📊

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