Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Julia Castillo

Boston, MA

Bib: 5160 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 11%
Gender (Female)
#0 / 12338
Top 6%
Division (F20-24)
#0 / 1404
Top 10%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
8:35/mi
26:39
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:56/mi
51:17
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:47/mi
1:15:28
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:57/mi
1:45:07
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:44/mi
2:04:20
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:37/mi
2:31:07
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:02/mi
2:59:10
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:27/mi
3:28:31
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:19/mi
3:39:51
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:45:078:03 /mi⚡ faster
2nd Half
1:54:438:43 /mi+9.1%
Positive split — 9.1% slower in the second half
Is this your race?

Claim it for a free AI report

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

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:48:0426:398:3526:39
8:35
-
10K
6.21 mi08:12:4251:178:1524:38
7:56
-0:39
15K
9.32 mi08:36:531:15:288:0624:11
7:47
-0:09
21K
13.05 mi09:06:321:45:078:0329:39
7:57
+0:10
25K
15.53 mi09:25:452:04:208:0019:13
7:44
-0:13
30K
18.64 mi09:52:322:31:078:0626:47
8:37
+0:53
35K
21.75 mi10:20:352:59:108:1428:03
9:02
+0:25
40K
24.85 mi10:49:563:28:318:2329:21
9:27
+0:25
Finish
26.22 mi11:01:163:39:518:2311:20
8:19
-1:08

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

7:44 /mi

Average Pace

8:23 /mi

Slowest Pace

9:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:37:41

44% of race

Time at Steady Pace

37:59

17% of race

Time at Slower Pace

1:24:11

38% of race

Average Pace: 8:23 /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 mi07:48:0426:398:3526:39
8:35
#3587
10K
6.21 mi08:12:4251:178:1524:38
7:56
#3594
15K
9.32 mi08:36:531:15:288:0624:11
7:47
#3323
21K
13.05 mi09:06:321:45:078:0329:39
7:57
#3114
25K
15.53 mi09:25:452:04:208:0019:13
7:44
#3014
30K
18.64 mi09:52:322:31:078:0626:47
8:37
#3158
35K
21.75 mi10:20:352:59:108:1428:03
9:02
#3300
40K
24.85 mi10:49:563:28:318:2329:21
9:27
#3443
Finish
26.22 mi11:01:163:39:518:2311:20
8:19
#3292
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi35876921322866528106
10K6.21 mi3.10 mi3594-7676+16129+33605673126
15K9.32 mi3.11 mi3323+271610+66119+102866528106
21K13.05 mi3.73 mi3114+209562+48108+112844512105
25K15.53 mi2.48 mi3014+100550+12108268348999
30K18.64 mi3.11 mi3158-144598-48114-64348987193
35K21.75 mi3.11 mi3300-142666-68124-1051461365262
40K24.85 mi3.10 mi3443-143744-78141-1757661769347
Finish26.22 mi1.37 mi3292+151718+26137+42189515115

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×18story building
+279ft-164ft

Overall

2866

Females

528

F20-24

528

5K→10K

3.1 - 6.2 mi

Top 12%
×11story building
+103ft-217ft

Overall

3605

Females

673

F20-24

673

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+51ft-55ft

Overall

2866

Females

528

F20-24

528

15K→21K

9.3 - 13.1 mi

Top 9%
×1story
+20ft-37ft

Overall

2844

Females

512

F20-24

512

21K→25K

13.1 - 15.5 mi

Top 9%
×2story building
+35ft-8ft

Overall

2683

Females

489

F20-24

489

25K→30K

15.5 - 18.6 mi

Top 14%
×2story building
+58ft-57ft

Overall

4348

Females

987

F20-24

987

30K→35K

18.6 - 21.8 mi

Top 17%
×2story building
+98ft-92ft

Overall

5146

Females

1365

F20-24

1365

35K→40K

21.8 - 24.9 mi

Top 19%
×2story building
+36ft-53ft

Overall

5766

Females

1769

F20-24

1769

40K→Finish

24.9 - 26.2 mi

Top 7%
×5story building
+80ft-24ft

Overall

2189

Females

515

F20-24

515

Passing Analysis

Category:
Athletes Passed
1261*
Passed By
966
Net Change
+295
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3587
5K → 10K147*154-7#3587#3594
10K → 15K288*17+271#3594#3323
15K → 21K238*29+209#3323#3114
21K → 25K13838+100#3114#3014
25K → 30K77*221-144#3014#3158
30K → 35K106*248-142#3158#3300
35K → 40K101*244-143#3300#3443
40K → Finish166*15+151#3443#3292
TOTALS1261*966+295

* Includes athletes who did not complete a segment (DNF/DNQ).

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

U.S. Marine Corps Community Services (MCCS)

Timing Productions