Boston Marathon logo
BOSTON MARATHON 2025

Sarah Rehak

MA

Bib: 27775 F

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

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:27/mi
32:27
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:42/mi
1:05:41
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:44/mi
1:39:03
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
12:04/mi
2:16:33
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:35/mi
2:23:46
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
12:21/mi
2:53:43
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
13:10/mi
3:34:38
↑ 181↓ 1480.2%
138 ft elev
20M
16:59/mi
3:57:43
↑ 64↓ 500.2%
148 ft elev
21M
13:49/mi
4:11:32
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:34/mi
4:20:11
↑ 17↓ 861.7%
156 ft elev
23M
14:34/mi
4:38:25
↑ 23↓ 630.6%
116 ft elev
24M
11:48/mi
4:50:13
↓ 821.3%
34 ft elev
40K· 24.85 mi
18:50/mi
5:06:19
↓ 200.3%
20 ft elev
25.2M
15:48/mi
5:11:46
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:14/mi
5:23:13
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Is this your race?

Claim it for a free AI report

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:46
Pace10:58 /mi
2nd Half
Distance13.11 mi
Time2:59:27
Pace13:41 /mi
📊Positive Split: 24.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:4232:2710:2732:27
10:27
-
10K
6.21 mi12:30:561:05:4110:3433:14
10:42
+0:15
15K
9.32 mi13:04:181:39:0310:3833:22
10:44
+0:02
20K
12.43 mi13:41:482:16:3310:5937:30
12:04
+1:20
Half
13.11 mi13:49:012:23:4610:587:13
10:35
-1:29
25K
15.53 mi14:18:582:53:4311:1129:57
12:21
+1:46
30K
18.64 mi14:59:533:34:3811:3140:55
13:10
+0:49
20M
20.00 mi15:22:583:57:4311:5323:05
16:59
+3:49
21M
21.00 mi15:36:474:11:3211:5913:49
13:49
-3:10
35K
21.75 mi15:45:264:20:1111:588:39
11:34
-2:15
23M
23.00 mi16:03:404:38:2512:0618:14
14:34
+3:00
24M
24.00 mi16:15:284:50:1312:0611:48
11:48
-2:46
40K
24.85 mi16:31:345:06:1912:1916:06
18:50
+7:02
25.2M
25.20 mi16:37:015:11:4612:225:27
15:48
-3:02
Finish
26.22 mi16:48:285:23:1312:2011:27
11:14
-4:34

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

10:27 /mi

Average Pace

12:20 /mi

Slowest Pace

18:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:16

33% of race

Time at Steady Pace

2:20:16

43% of race

Time at Slower Pace

1:16:41

24% of race

Average Pace: 12:20 /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 mi11:57:4232:2710:2732:27
10:27
#26636
10K
6.21 mi12:30:561:05:4110:3433:14
10:42
#26626
15K
9.32 mi13:04:181:39:0310:3833:22
10:44
#26495
20K
12.43 mi13:41:482:16:3310:5937:30
12:04
#26760
Half
13.11 mi13:49:012:23:4610:587:13
10:35
#26722
25K
15.53 mi14:18:582:53:4311:1129:57
12:21
#26758
30K
18.64 mi14:59:533:34:3811:3140:55
13:10
#26795
20M
20.00 mi15:22:583:57:4311:5323:05
16:59
#27070
21M
21.00 mi15:36:474:11:3211:5913:49
13:49
#27047
35K
21.75 mi15:45:264:20:1111:588:39
11:34
#27022
23M
23.00 mi16:03:404:38:2512:0618:14
14:34
#27079
24M
24.00 mi16:15:284:50:1312:0611:48
11:48
#27023
40K
24.85 mi16:31:345:06:1912:1916:06
18:50
#27198
25.2M
25.20 mi16:37:015:11:4612:225:27
15:48
#27216
Finish
26.22 mi16:48:285:23:1312:2011:27
11:14
#27176
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi266361111811118263091095210952
10K6.21 mi3.10 mi26626+1011122-411122-4265931111911119
15K9.32 mi3.11 mi26495+13111052+7011052+70263091095210952
20K12.43 mi3.11 mi26760-26511216-16411216-164271711149811498
Half13.11 mi0.68 mi26722+3811192+2411192+24259061077710777
25K15.53 mi2.42 mi26758-3611234-4211234-42268031131711317
30K18.64 mi3.11 mi26795-3711283-4911283-49268431140411404
20M20.00 mi1.36 mi27070-27511444-16111444-161282941218912189
21M21.00 mi1.00 mi27047+2311442+211442+2260251106111061
35K21.75 mi0.75 mi27022+2511430+1211430+12251791069010690
23M23.00 mi1.25 mi27079-5711471-4111471-41276811194511945
24M24.00 mi1.00 mi27023+5611449+2211449+22254021083210832
40K24.85 mi0.85 mi27198-17511554-10511554-105283591221512215
25.2M25.20 mi0.35 mi27216-1811566-1211566-12276031193611936
Finish26.22 mi1.02 mi27176+4011548+1811548+18257551102811028

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 93%
×21story building
+97ft-345ft

Overall

26309

Females

10952

F18-39

10952

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

26593

Females

11119

F18-39

11119

10K→15K

6.2 - 9.3 mi

Top 93%
×3story building
+67ft-78ft

Overall

26309

Females

10952

F18-39

10952

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

27171

Females

11498

F18-39

11498

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25906

Females

10777

F18-39

10777

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

26803

Females

11317

F18-39

11317

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

26843

Females

11404

F18-39

11404

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

28294

Females

12189

F18-39

12189

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

26025

Females

11061

F18-39

11061

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25179

Females

10690

F18-39

10690

35K→23M

21.8 - 23.0 mi

Top 97%
×5story building
+23ft-63ft

Overall

27681

Females

11945

F18-39

11945

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

25402

Females

10832

F18-39

10832

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

28359

Females

12215

F18-39

12215

40K→25.2M

24.9 - 25.2 mi

Top 97%
×1story
+13ft-16ft

Overall

27603

Females

11936

F18-39

11936

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

25755

Females

11028

F18-39

11028

Passing Analysis

Category:
Athletes Passed
784
Passed By
1324
Net Change
-540
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26636
5K → 10K181171+10#26636#26626
10K → 15K18958+131#26626#26495
15K → 20K38303-265#26495#26760
20K → Half435+38#26760#26722
Half → 25K68104-36#26722#26758
25K → 30K77114-37#26758#26795
30K → 20M2277-275#26795#27070
20M → 21M4219+23#27070#27047
21M → 35K294+25#27047#27022
35K → 23M966-57#27022#27079
23M → 24M604+56#27079#27023
24M → 40K0175-175#27023#27198
40K → 25.2M422-18#27198#27216
25.2M → Finish422+40#27216#27176
TOTALS7841324-540

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing