Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Grace Chan

Reston, VA

Bib: 17079 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Top 44%
Division (F40-44)
#0 / 1527
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
11:25/mi
35:28
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:17/mi
1:07:25
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:37/mi
1:40:23
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:09/mi
2:21:58
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
12:05/mi
2:52:00
↑ 350.2%
30 ft elev
30K· 18.64 mi
12:05/mi
3:29:31
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
12:15/mi
4:07:33
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
12:49/mi
4:47:21
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:25/mi
5:04:17
↑ 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
2:21:5810:53 /mi⚡ faster
2nd Half
2:42:1812:19 /mi+14.3%
Positive split — 14.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:25:2735:2811:2535:28
11:25
-
10K
6.21 mi08:57:241:07:2510:5131:57
10:17
-1:08
15K
9.32 mi09:30:221:40:2310:4632:58
10:37
+0:20
21K
13.05 mi10:11:572:21:5810:5341:35
11:09
+0:32
25K
15.53 mi10:41:592:52:0011:0430:02
12:05
+0:56
30K
18.64 mi11:19:303:29:3111:1437:31
12:05
0:00
35K
21.75 mi11:57:324:07:3311:2338:02
12:15
+0:10
40K
24.85 mi12:37:204:47:2111:3439:48
12:49
+0:34
Finish
26.22 mi12:54:165:04:1711:3716:56
12:25
-0:24

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

10:17 /mi

Average Pace

11:37 /mi

Slowest Pace

12:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:21:58

47% of race

Time at Steady Pace

2:02:31

40% of race

Time at Slower Pace

39:48

13% of race

Average Pace: 11:36 /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 mi08:25:2735:2811:2535:28
11:25
#20730
10K
6.21 mi08:57:241:07:2510:5131:57
10:17
#19200
15K
9.32 mi09:30:221:40:2310:4632:58
10:37
#18865
21K
13.05 mi10:11:572:21:5810:5341:35
11:09
#18818
25K
15.53 mi10:41:592:52:0011:0430:02
12:05
#19424
30K
18.64 mi11:19:303:29:3111:1437:31
12:05
#19217
35K
21.75 mi11:57:324:07:3311:2338:02
12:15
#18876
40K
24.85 mi12:37:204:47:2111:3439:48
12:49
#18718
Finish
26.22 mi12:54:165:04:1711:3716:56
12:25
#18621
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi207307380848185306316730
10K6.21 mi3.10 mi19200+15306634+746769+79176675892693
15K9.32 mi3.11 mi18865+3356464+170749+20185306316730
21K13.05 mi3.73 mi18818+476471-7747+2190866668765
25K15.53 mi2.48 mi19424-6066814-343788-41219348295961
30K18.64 mi3.11 mi19217+2076797+17784+4187686959793
35K21.75 mi3.11 mi18876+3416770+27778+6174786761780
40K24.85 mi3.10 mi18718+1586839-69786-8177757071813
Finish26.22 mi1.37 mi18621+976829+10786172246820776

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×18story building
+279ft-164ft

Overall

18530

Females

6316

F40-44

6316

5K→10K

3.1 - 6.2 mi

Top 59%
×11story building
+103ft-217ft

Overall

17667

Females

5892

F40-44

5892

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+51ft-55ft

Overall

18530

Females

6316

F40-44

6316

15K→21K

9.3 - 13.1 mi

Top 64%
×1story
+20ft-37ft

Overall

19086

Females

6668

F40-44

6668

21K→25K

13.1 - 15.5 mi

Top 73%
×2story building
+35ft-8ft

Overall

21934

Females

8295

F40-44

8295

25K→30K

15.5 - 18.6 mi

Top 62%
×2story building
+58ft-57ft

Overall

18768

Females

6959

F40-44

6959

30K→35K

18.6 - 21.8 mi

Top 58%
×2story building
+98ft-92ft

Overall

17478

Females

6761

F40-44

6761

35K→40K

21.8 - 24.9 mi

Top 59%
×2story building
+36ft-53ft

Overall

17775

Females

7071

F40-44

7071

40K→Finish

24.9 - 26.2 mi

Top 57%
×5story building
+80ft-24ft

Overall

17224

Females

6820

F40-44

6820

Passing Analysis

Category:
Athletes Passed
4525*
Passed By
2416
Net Change
+2109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20730
5K → 10K1621*91+1530#20730#19200
10K → 15K558*223+335#19200#18865
15K → 21K543*496+47#18865#18818
21K → 25K188*794-606#18818#19424
25K → 30K482*275+207#19424#19217
30K → 35K561*220+341#19217#18876
35K → 40K410*252+158#18876#18718
40K → Finish162*65+97#18718#18621
TOTALS4525*2416+2109

* 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