Boston Marathon logo
BOSTON MARATHON 2025

Sophie Whitehead

Bib: 7833•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 28404
Top 20%
Gender (Female)
#0 / 12228
Top 5%
Division (F18-39)
#0 / 5469
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:42
Rank: #5146
Start → 5K
20:42 | 6:40/mi
10K· 6.21 mi
41:31
Rank: #5214 (-68)
5K → 10K
20:49 | 6:42/mi
15K· 9.32 mi
1:02:26
Rank: #5253 (-39)
10K → 15K
20:55 | 6:44/mi
20K· 12.43 mi
1:24:01
Rank: #5584 (-331)
15K → 20K
21:35 | 6:57/mi
Half· 13.11 mi
1:28:40
Rank: #5619 (-35)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:45:45
Rank: #5787 (-168)
Half → 25K
17:05 | 7:03/mi
30K· 18.64 mi
2:08:08
Rank: #5778 (+9)
25K → 30K
22:23 | 7:12/mi
20M
2:18:16
Rank: #5822 (-44)
30K → 20M
10:08 | 7:27/mi
21M
2:26:22
Rank: #5880 (-58)
20M → 21M
8:06 | 8:06/mi
35K· 21.75 mi
2:31:35
Rank: #5830 (+50)
21M → 35K
5:13 | 6:58/mi
23M
2:41:21
Rank: #5902 (-72)
35K → 23M
9:46 | 7:48/mi
24M
2:48:43
Rank: #5880 (+22)
23M → 24M
7:22 | 7:22/mi
40K· 24.85 mi
2:55:09
Rank: #5878 (+2)
24M → 40K
6:26 | 7:31/mi
25.2M
2:57:42
Rank: #5778 (+100)
40K → 25.2M
2:33 | 7:25/mi
Finish· 26.22 mi
3:05:16
Rank: #5807 (-29)
25.2M → Finish
7:34 | 7:25/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:40
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:36:36
Pace7:22 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:5220:426:4020:42
6:40
-
10K
6.21 mi10:49:4141:316:4120:49
6:42
+0:02
15K
9.32 mi11:10:361:02:266:4220:55
6:44
+0:02
20K
12.43 mi11:32:111:24:016:4621:35
6:57
+0:13
Half
13.11 mi11:36:501:28:406:464:39
6:49
-0:08
25K
15.53 mi11:53:551:45:456:4817:05
7:03
+0:14
30K
18.64 mi12:16:182:08:086:5222:23
7:12
+0:09
20M
20.00 mi12:26:262:18:166:5510:08
7:27
+0:15
21M
21.00 mi12:34:322:26:226:588:06
8:06
+0:39
35K
21.75 mi12:39:452:31:356:585:13
6:58
-1:08
23M
23.00 mi12:49:312:41:217:019:46
7:48
+0:50
24M
24.00 mi12:56:532:48:437:027:22
7:22
-0:26
40K
24.85 mi13:03:192:55:097:036:26
7:31
+0:09
25.2M
25.20 mi13:05:522:57:427:032:33
7:25
-0:06
Finish
26.22 mi13:13:263:05:167:047:34
7:25
0:00

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

6:40 /mi

Average Pace

7:04 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:53

51% of race

Time at Steady Pace

46:50

25% of race

Time at Slower Pace

44:33

24% of race

Average Pace: 7:04 /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 mi10:28:5220:426:4020:42
6:40
#5146
10K
6.21 mi10:49:4141:316:4120:49
6:42
#5214
15K
9.32 mi11:10:361:02:266:4220:55
6:44
#5253
20K
12.43 mi11:32:111:24:016:4621:35
6:57
#5584
Half
13.11 mi11:36:501:28:406:464:39
6:49
#5619
25K
15.53 mi11:53:551:45:456:4817:05
7:03
#5787
30K
18.64 mi12:16:182:08:086:5222:23
7:12
#5778
20M
20.00 mi12:26:262:18:166:5510:08
7:27
#5822
21M
21.00 mi12:34:322:26:226:588:06
8:06
#5880
35K
21.75 mi12:39:452:31:356:585:13
6:58
#5830
23M
23.00 mi12:49:312:41:217:019:46
7:48
#5902
24M
24.00 mi12:56:532:48:437:027:22
7:22
#5880
40K
24.85 mi13:03:192:55:097:036:26
7:31
#5878
25.2M
25.20 mi13:05:522:57:427:032:33
7:25
#5778
Finish
26.22 mi13:13:263:05:167:047:34
7:25
#5807
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi51463403405412(Top 19%)424(Top 3%)424(Top 8%)
10K6.21 mi3.10 mi5214-68356-16356-165364(Top 19%)394(Top 3%)394(Top 7%)
15K9.32 mi3.11 mi5253-39369-13369-135412(Top 19%)424(Top 3%)424(Top 8%)
20K12.43 mi3.11 mi5584-331436-67436-676568(Top 23%)674(Top 6%)674(Top 12%)
Half13.11 mi0.68 mi5619-35443-7443-76358(Top 22%)620(Top 5%)620(Top 11%)
25K15.53 mi2.42 mi5787-168483-40483-406625(Top 23%)753(Top 6%)753(Top 14%)
30K18.64 mi3.11 mi5778+9507-24507-245938(Top 21%)654(Top 5%)654(Top 12%)
20M20.00 mi1.36 mi5822-44525-18525-186748(Top 24%)1047(Top 9%)1047(Top 19%)
21M21.00 mi1.00 mi5880-58552-27552-277963(Top 28%)1702(Top 14%)1702(Top 31%)
35K21.75 mi0.75 mi5830+50549+3549+35216(Top 18%)673(Top 6%)673(Top 12%)
23M23.00 mi1.25 mi5902-72584-35584-358595(Top 30%)2073(Top 17%)2073(Top 38%)
24M24.00 mi1.00 mi5880+22597-13597-136840(Top 24%)1384(Top 11%)1384(Top 25%)
40K24.85 mi0.85 mi5878+2613-16613-166957(Top 24%)1528(Top 12%)1528(Top 28%)
25.2M25.20 mi0.35 mi5778+100598+15598+153041(Top 11%)343(Top 3%)343(Top 6%)
Finish26.22 mi1.02 mi5807-29621-23621-238619(Top 30%)2365(Top 19%)2365(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5412

Females

424

F18-39

424

5K→10K

3.1 - 6.2 mi

Top 19%
×5stories
+79ft-138ft

Overall

5364

Females

394

F18-39

394

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5412

Females

424

F18-39

424

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6568

Females

674

F18-39

674

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6358

Females

620

F18-39

620

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6625

Females

753

F18-39

753

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5938

Females

654

F18-39

654

30K→20M

18.6 - 20.0 mi

Top 24%
×5stories
+64ft-50ft

Overall

6748

Females

1047

F18-39

1047

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7963

Females

1702

F18-39

1702

21M→35K

21.0 - 21.8 mi

Top 18%
×7stories
+17ft-86ft

Overall

5216

Females

673

F18-39

673

35K→23M

21.8 - 23.0 mi

Top 30%
×5stories
+23ft-63ft

Overall

8595

Females

2073

F18-39

2073

23M→24M

23.0 - 24.0 mi

Top 24%
×6stories
+12ft-82ft

Overall

6840

Females

1384

F18-39

1384

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6957

Females

1528

F18-39

1528

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3041

Females

343

F18-39

343

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

8619

Females

2365

F18-39

2365

Passing Analysis

Category:
Athletes Passed
1102
Passed By
1763
Net Change
-661
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5146
5K → 10K142210-68#5146#5214
10K → 15K116155-39#5214#5253
15K → 20K51382-331#5253#5584
20K → Half1348-35#5584#5619
Half → 25K89257-168#5619#5787
25K → 30K187178+9#5787#5778
30K → 20M56100-44#5778#5822
20M → 21M46104-58#5822#5880
21M → 35K7020+50#5880#5830
35K → 23M64136-72#5830#5902
23M → 24M6644+22#5902#5880
24M → 40K5755+2#5880#5878
40K → 25.2M1022+100#5878#5778
25.2M → Finish4372-29#5778#5807
TOTALS11021763-661
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

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
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing