Boston Marathon logo
BOSTON MARATHON 2025

Julia Powell

Bib: 17868•F

UT

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

Start
0:00:00
Race begins
5K· 3.11 mi
29:50
Rank: #24564
Start → 5K
29:50 | 9:36/mi
10K· 6.21 mi
1:00:25
Rank: #24795 (-231)
5K → 10K
30:35 | 9:51/mi
15K· 9.32 mi
1:32:09
Rank: #25016 (-221)
10K → 15K
31:44 | 10:13/mi
20K· 12.43 mi
2:03:40
Rank: #24894 (+122)
15K → 20K
31:31 | 10:09/mi
Half· 13.11 mi
2:10:32
Rank: #24890 (+4)
20K → Half
6:52 | 10:04/mi
25K· 15.53 mi
2:35:20
Rank: #24711 (+179)
Half → 25K
24:48 | 10:14/mi
30K· 18.64 mi
3:08:23
Rank: #24464 (+247)
25K → 30K
33:03 | 10:38/mi
20M
3:23:41
Rank: #24459 (+5)
30K → 20M
15:18 | 11:16/mi
21M
3:34:43
Rank: #24290 (+169)
20M → 21M
11:02 | 11:02/mi
35K· 21.75 mi
3:42:01
Rank: #24190 (+100)
21M → 35K
7:18 | 9:45/mi
23M
3:55:02
Rank: #24041 (+149)
35K → 23M
13:01 | 10:24/mi
24M
4:05:20
Rank: #23975 (+66)
23M → 24M
10:18 | 10:18/mi
40K· 24.85 mi
4:14:35
Rank: #23936 (+39)
24M → 40K
9:15 | 10:49/mi
25.2M
4:18:45
Rank: #23934 (+2)
40K → 25.2M
4:10 | 12:05/mi
Finish· 26.22 mi
4:29:01
Rank: #23923 (+11)
25.2M → Finish
10:16 | 10:04/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
Time2:10:32
Pace9:57 /mi
2nd Half
Distance13.11 mi
Time2:18:29
Pace10:34 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4429:509:3629:50
9:36
-
10K
6.21 mi11:51:191:00:259:4330:35
9:51
+0:15
15K
9.32 mi12:23:031:32:099:5331:44
10:13
+0:22
20K
12.43 mi12:54:342:03:409:5731:31
10:09
-0:04
Half
13.11 mi13:01:262:10:329:576:52
10:04
-0:05
25K
15.53 mi13:26:142:35:2010:0024:48
10:14
+0:10
30K
18.64 mi13:59:173:08:2310:0633:03
10:38
+0:24
20M
20.00 mi14:14:353:23:4110:1115:18
11:16
+0:38
21M
21.00 mi14:25:373:34:4310:1311:02
11:02
-0:14
35K
21.75 mi14:32:553:42:0110:137:18
9:45
-1:17
23M
23.00 mi14:45:563:55:0210:1313:01
10:24
+0:39
24M
24.00 mi14:56:144:05:2010:1310:18
10:18
-0:06
40K
24.85 mi15:05:294:14:3510:159:15
10:49
+0:31
25.2M
25.20 mi15:09:394:18:4510:164:10
12:05
+1:16
Finish
26.22 mi15:19:554:29:0110:1610:16
10:04
-2:01

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

9:36 /mi

Average Pace

10:16 /mi

Slowest Pace

12:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:43

25% of race

Time at Steady Pace

2:08:30

48% of race

Time at Slower Pace

1:12:48

27% of race

Average Pace: 10:16 /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 mi11:20:4429:509:3629:50
9:36
#24564
10K
6.21 mi11:51:191:00:259:4330:35
9:51
#24795
15K
9.32 mi12:23:031:32:099:5331:44
10:13
#25016
20K
12.43 mi12:54:342:03:409:5731:31
10:09
#24894
Half
13.11 mi13:01:262:10:329:576:52
10:04
#24890
25K
15.53 mi13:26:142:35:2010:0024:48
10:14
#24711
30K
18.64 mi13:59:173:08:2310:0633:03
10:38
#24464
20M
20.00 mi14:14:353:23:4110:1115:18
11:16
#24459
21M
21.00 mi14:25:373:34:4310:1311:02
11:02
#24290
35K
21.75 mi14:32:553:42:0110:137:18
9:45
#24190
23M
23.00 mi14:45:563:55:0210:1313:01
10:24
#24041
24M
24.00 mi14:56:144:05:2010:1310:18
10:18
#23975
40K
24.85 mi15:05:294:14:3510:159:15
10:49
#23936
25.2M
25.20 mi15:09:394:18:4510:164:10
12:05
#23934
Finish
26.22 mi15:19:554:29:0110:1610:16
10:04
#23923
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi245649988998825443(Top 90%)10475(Top 86%)10475(Top 192%)
10K6.21 mi3.10 mi24795-23110118-13010118-13024972(Top 88%)10218(Top 84%)10218(Top 187%)
15K9.32 mi3.11 mi25016-22110232-11410232-11425443(Top 90%)10475(Top 86%)10475(Top 192%)
20K12.43 mi3.11 mi24894+12210177+5510177+5524522(Top 86%)9996(Top 82%)9996(Top 183%)
Half13.11 mi0.68 mi24890+410179-210179-224973(Top 88%)10243(Top 84%)10243(Top 187%)
25K15.53 mi2.42 mi24711+17910096+8310096+8323788(Top 84%)9632(Top 79%)9632(Top 176%)
30K18.64 mi3.11 mi24464+2479983+1139983+11323256(Top 82%)9469(Top 77%)9469(Top 173%)
20M20.00 mi1.36 mi24459+59992-99992-924117(Top 85%)10012(Top 82%)10012(Top 183%)
21M21.00 mi1.00 mi24290+1699928+649928+6421518(Top 76%)8720(Top 71%)8720(Top 159%)
35K21.75 mi0.75 mi24190+1009875+539875+5321240(Top 75%)8648(Top 71%)8648(Top 158%)
23M23.00 mi1.25 mi24041+1499817+589817+5821740(Top 77%)8944(Top 73%)8944(Top 164%)
24M24.00 mi1.00 mi23975+669793+249793+2422267(Top 78%)9274(Top 76%)9274(Top 170%)
40K24.85 mi0.85 mi23936+399784+99784+922734(Top 80%)9574(Top 78%)9574(Top 175%)
25.2M25.20 mi0.35 mi23934+29795-119795-1123437(Top 83%)9883(Top 81%)9883(Top 181%)
Finish26.22 mi1.02 mi23923+119801-69801-623167(Top 82%)9754(Top 80%)9754(Top 178%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25443

Females

10475

F18-39

10475

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

24972

Females

10218

F18-39

10218

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25443

Females

10475

F18-39

10475

15K→20K

9.3 - 12.4 mi

Top 86%
×5stories
+106ft-86ft

Overall

24522

Females

9996

F18-39

9996

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

24973

Females

10243

F18-39

10243

Half→25K

13.1 - 15.5 mi

Top 84%
×4stories
+66ft-88ft

Overall

23788

Females

9632

F18-39

9632

25K→30K

15.5 - 18.6 mi

Top 82%
×9stories
+181ft-148ft

Overall

23256

Females

9469

F18-39

9469

30K→20M

18.6 - 20.0 mi

Top 85%
×5stories
+64ft-50ft

Overall

24117

Females

10012

F18-39

10012

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21518

Females

8720

F18-39

8720

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

21240

Females

8648

F18-39

8648

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21740

Females

8944

F18-39

8944

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

22267

Females

9274

F18-39

9274

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22734

Females

9574

F18-39

9574

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

23437

Females

9883

F18-39

9883

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23167

Females

9754

F18-39

9754

Passing Analysis

Category:
Athletes Passed
1605
Passed By
964
Net Change
+641
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24564
5K → 10K123354-231#24564#24795
10K → 15K60281-221#24795#25016
15K → 20K20482+122#25016#24894
20K → Half3228+4#24894#24890
Half → 25K20526+179#24890#24711
25K → 30K27427+247#24711#24464
30K → 20M6459+5#24464#24459
20M → 21M1745+169#24459#24290
21M → 35K1022+100#24290#24190
35K → 23M16011+149#24190#24041
23M → 24M7913+66#24041#23975
24M → 40K6021+39#23975#23936
40K → 25.2M2220+2#23936#23934
25.2M → Finish4635+11#23934#23923
TOTALS1605964+641
📊

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