Boston Marathon logo
BOSTON MARATHON 2025

Julia Forbes

Bib: 27809•F

MA

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
27:34
Rank: #21865
Start → 5K
27:34 | 8:52/mi
10K· 6.21 mi
55:00
Rank: #21713 (+152)
5K → 10K
27:26 | 8:50/mi
15K· 9.32 mi
1:22:24
Rank: #21486 (+227)
10K → 15K
27:24 | 8:49/mi
20K· 12.43 mi
1:49:50
Rank: #21115 (+371)
15K → 20K
27:26 | 8:50/mi
Half· 13.11 mi
1:55:42
Rank: #21061 (+54)
20K → Half
5:52 | 8:36/mi
25K· 15.53 mi
2:16:55
Rank: #20690 (+371)
Half → 25K
21:13 | 8:45/mi
30K· 18.64 mi
2:44:30
Rank: #20014 (+676)
25K → 30K
27:35 | 8:53/mi
20M
2:56:34
Rank: #19702 (+312)
30K → 20M
12:04 | 8:53/mi
21M
3:05:59
Rank: #19468 (+234)
20M → 21M
9:25 | 9:25/mi
35K· 21.75 mi
3:12:21
Rank: #19339 (+129)
21M → 35K
6:22 | 8:31/mi
23M
3:23:22
Rank: #19116 (+223)
35K → 23M
11:01 | 8:48/mi
24M
3:31:53
Rank: #18928 (+188)
23M → 24M
8:31 | 8:31/mi
40K· 24.85 mi
3:39:30
Rank: #18801 (+127)
24M → 40K
7:37 | 8:54/mi
25.2M
3:42:44
Rank: #18717 (+84)
40K → 25.2M
3:14 | 9:23/mi
Finish· 26.22 mi
3:51:05
Rank: #18564 (+153)
25.2M → Finish
8:21 | 8:12/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 Half⚖️ Balanced
Distance13.11 mi
Time1:55:42
Pace8:50 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:55:23
Pace8:48 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5027:348:5227:34
8:52
-
10K
6.21 mi12:12:1655:008:5127:26
8:50
-0:02
15K
9.32 mi12:39:401:22:248:5027:24
8:49
-0:01
20K
12.43 mi13:07:061:49:508:5027:26
8:50
+0:01
Half
13.11 mi13:12:581:55:428:505:52
8:36
-0:14
25K
15.53 mi13:34:112:16:558:4921:13
8:45
+0:09
30K
18.64 mi14:01:462:44:308:4927:35
8:53
+0:08
20M
20.00 mi14:13:502:56:348:5012:04
8:53
0:00
21M
21.00 mi14:23:153:05:598:519:25
9:25
+0:32
35K
21.75 mi14:29:373:12:218:516:22
8:31
-0:54
23M
23.00 mi14:40:383:23:228:5111:01
8:48
+0:17
24M
24.00 mi14:49:093:31:538:508:31
8:31
-0:17
40K
24.85 mi14:56:463:39:308:507:37
8:54
+0:23
25.2M
25.20 mi15:00:003:42:448:503:14
9:23
+0:29
Finish
26.22 mi15:08:213:51:058:498:21
8:12
-1:11

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

8:12 /mi

Average Pace

8:49 /mi

Slowest Pace

9:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:38:26

95% of race

Time at Steady Pace

12:39

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:49 /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 mi11:44:5027:348:5227:34
8:52
#21865
10K
6.21 mi12:12:1655:008:5127:26
8:50
#21713
15K
9.32 mi12:39:401:22:248:5027:24
8:49
#21486
20K
12.43 mi13:07:061:49:508:5027:26
8:50
#21115
Half
13.11 mi13:12:581:55:428:505:52
8:36
#21061
25K
15.53 mi13:34:112:16:558:4921:13
8:45
#20690
30K
18.64 mi14:01:462:44:308:4927:35
8:53
#20014
20M
20.00 mi14:13:502:56:348:5012:04
8:53
#19702
21M
21.00 mi14:23:153:05:598:519:25
9:25
#19468
35K
21.75 mi14:29:373:12:218:516:22
8:31
#19339
23M
23.00 mi14:40:383:23:228:5111:01
8:48
#19116
24M
24.00 mi14:49:093:31:538:508:31
8:31
#18928
40K
24.85 mi14:56:463:39:308:507:37
8:54
#18801
25.2M
25.20 mi15:00:003:42:448:503:14
9:23
#18717
Finish
26.22 mi15:08:213:51:058:498:21
8:12
#18564
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi218658546854621118(Top 74%)8063(Top 66%)8063(Top 147%)
10K6.21 mi3.10 mi21713+1528446+1008446+10021548(Top 76%)8336(Top 68%)8336(Top 152%)
15K9.32 mi3.11 mi21486+2278294+1528294+15221118(Top 74%)8063(Top 66%)8063(Top 147%)
20K12.43 mi3.11 mi21115+3718088+2068088+20620101(Top 71%)7532(Top 62%)7532(Top 138%)
Half13.11 mi0.68 mi21061+548065+238065+2319830(Top 70%)7368(Top 60%)7368(Top 135%)
25K15.53 mi2.42 mi20690+3717870+1957870+19518680(Top 66%)6803(Top 56%)6803(Top 124%)
30K18.64 mi3.11 mi20014+6767533+3377533+33717043(Top 60%)6054(Top 50%)6054(Top 111%)
20M20.00 mi1.36 mi19702+3127376+1577376+15716153(Top 57%)5695(Top 47%)5695(Top 104%)
21M21.00 mi1.00 mi19468+2347267+1097267+10915743(Top 55%)5583(Top 46%)5583(Top 102%)
35K21.75 mi0.75 mi19339+1297210+577210+5715590(Top 55%)5580(Top 46%)5580(Top 102%)
23M23.00 mi1.25 mi19116+2237112+987112+9815139(Top 53%)5418(Top 44%)5418(Top 99%)
24M24.00 mi1.00 mi18928+1887034+787034+7814670(Top 52%)5206(Top 43%)5206(Top 95%)
40K24.85 mi0.85 mi18801+1276992+426992+4215839(Top 56%)5968(Top 49%)5968(Top 109%)
25.2M25.20 mi0.35 mi18717+846955+376955+3714008(Top 49%)5051(Top 41%)5051(Top 92%)
Finish26.22 mi1.02 mi18564+1536884+716884+7114274(Top 50%)5098(Top 42%)5098(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

21118

Females

8063

F18-39

8063

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21548

Females

8336

F18-39

8336

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

21118

Females

8063

F18-39

8063

15K→20K

9.3 - 12.4 mi

Top 71%
×5stories
+106ft-86ft

Overall

20101

Females

7532

F18-39

7532

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

19830

Females

7368

F18-39

7368

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

18680

Females

6803

F18-39

6803

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17043

Females

6054

F18-39

6054

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16153

Females

5695

F18-39

5695

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

15743

Females

5583

F18-39

5583

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15590

Females

5580

F18-39

5580

35K→23M

21.8 - 23.0 mi

Top 53%
×5stories
+23ft-63ft

Overall

15139

Females

5418

F18-39

5418

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

14670

Females

5206

F18-39

5206

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

15839

Females

5968

F18-39

5968

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

14008

Females

5051

F18-39

5051

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14274

Females

5098

F18-39

5098

Passing Analysis

Category:
Athletes Passed
3731
Passed By
430
Net Change
+3301
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21865
5K → 10K355203+152#21865#21713
10K → 15K334107+227#21713#21486
15K → 20K41342+371#21486#21115
20K → Half6511+54#21115#21061
Half → 25K38211+371#21061#20690
25K → 30K6826+676#20690#20014
30K → 20M3142+312#20014#19702
20M → 21M2428+234#19702#19468
21M → 35K1334+129#19468#19339
35K → 23M2329+223#19339#19116
23M → 24M1924+188#19116#18928
24M → 40K14013+127#18928#18801
40K → 25.2M862+84#18801#18717
25.2M → Finish1618+153#18717#18564
TOTALS3731430+3301
📊

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