Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Tiffany Cheng

Saint Louis, MO

Bib: 31588 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F30-34)
#0 / 1621
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
12:07/mi
37:39
↑ 279↓ 164
10K· 6.21 mi
11:09/mi
1:12:16
↑ 103↓ 217
15K· 9.32 mi
14:20/mi
1:56:47
↑ 51↓ 55
21K· 13.05 mi
11:19/mi
2:38:59
↑ 20↓ 37
25K· 15.53 mi
10:55/mi
3:06:08
↑ 35
30K· 18.64 mi
12:09/mi
3:43:53
↑ 58↓ 57
35K· 21.75 mi
13:13/mi
4:24:57
↑ 98↓ 92
40K· 24.85 mi
14:22/mi
5:09:34
↑ 36↓ 53
Finish· 26.22 mi
14:38/mi
5:29:32
↑ 80↓ 24
Course Elevation
764ft
Total climb
717ft
Total descent
234ft
Range
3 to 237 ft
≈
×20story building

See every mile of your race

Add your watch's GPX to unlock per-mile pace, heart rate, and grade — mile by mile on this timeline.

Works with Garmin, Apple Watch, Strava, COROS, Suunto & more.

The Course

Half Splits

1st Half· via 21K
2:38:5912:11 /mi⚡ faster
2nd Half
2:50:3312:57 /mi+7.3%
Positive split — 7.3% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
37:3912:073.11 mi37:39
12:07
-
10K
1:12:1611:383.10 mi34:37
11:09
-0:58
15K
1:56:4712:323.11 mi44:31
14:20
+3:11
21K
2:38:5912:113.73 mi42:12
11:19
-3:01
25K
3:06:0811:592.48 mi27:09
10:55
-0:24
30K
3:43:5312:013.11 mi37:45
12:09
+1:14
35K
4:24:5712:113.11 mi41:04
13:13
+1:04
40K
5:09:3412:273.10 mi44:37
14:22
+1:09
Finish(26.22 mi)
5:29:3212:351.37 mi19:58
14:38
+0:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:55 /mi

Average Pace

12:35 /mi

Slowest Pace

14:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:43:58

32% of race

Time at Steady Pace

1:15:24

23% of race

Time at Slower Pace

2:30:10

46% of race

Average Pace: 12:34 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi245109209130229588120301585
10K3.10 mi23696+8148808+4011257+452293884331205
15K3.11 mi26922-322610469-16611453-19629588120301585
21K3.73 mi24886+20369422+10471330+1231980470251022
25K2.48 mi23514+13728801+6211250+80178206332915
30K3.11 mi22551+9638418+3831204+461900970551012
35K3.11 mi22223+3288363+551195+92055981721150
40K3.10 mi22242-198463-1001211-162243391411265
Finish(26.22 mi)1.37 mi22342-1008546-831220-92370396391350

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×18story building
+279ft-164ft

Overall

29588

Females

12030

F30-34

12030

5K→10K

3.1 - 6.2 mi

Top 76%
×11story building
+103ft-217ft

Overall

22938

Females

8433

F30-34

8433

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+51ft-55ft

Overall

29588

Females

12030

F30-34

12030

15K→21K

9.3 - 13.1 mi

Top 66%
×1story
+20ft-37ft

Overall

19804

Females

7025

F30-34

7025

21K→25K

13.1 - 15.5 mi

Top 59%
×2story building
+35ft-8ft

Overall

17820

Females

6332

F30-34

6332

25K→30K

15.5 - 18.6 mi

Top 63%
×2story building
+58ft-57ft

Overall

19009

Females

7055

F30-34

7055

30K→35K

18.6 - 21.8 mi

Top 68%
×2story building
+98ft-92ft

Overall

20559

Females

8172

F30-34

8172

35K→40K

21.8 - 24.9 mi

Top 75%
×2story building
+36ft-53ft

Overall

22433

Females

9141

F30-34

9141

40K→Finish

24.9 - 26.2 mi

Top 79%
×5story building
+80ft-24ft

Overall

23703

Females

9639

F30-34

9639

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#24510
5K → 10K
163977*+814
#24510 → #23696
10K → 15K
323913*-3226
#23696 → #26922
15K → 21K
42040*+2036
#26922 → #24886
21K → 25K
71379*+1372
#24886 → #23514
25K → 30K
19982*+963
#23514 → #22551
30K → 35K
162490*+328
#22551 → #22223
35K → 40K
284265*-19
#22223 → #22242
40K → Finish
19595*-100
#22242 → #22342
TOTALS
40736241*+2168
#24510 → #22342

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

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Is this your race? Claim it to upload your GPX and export your data as yours.

Upload your GPX file

Add per-mile pace & heart rate — works with Garmin, Apple Watch, Strava & more.

Download your race track as a GPX or TCX file for Strava, Garmin Connect, or other 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