Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Anna Choi

Alexandria, VA

Bib: 35708 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F20-24)
#0 / 1404
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
11:02/mi
34:16
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:08/mi
1:05:45
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:27/mi
1:38:12
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:47/mi
2:18:25
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:43/mi
2:45:03
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:07/mi
3:19:34
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
12:44/mi
3:59:08
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
12:38/mi
4:38:23
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
13:15/mi
4:56:27
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Is this your race?

Claim it for a free AI report

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

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:18:25
Pace10:36 /mi
2nd Half
Distance13.17 mi
Time2:38:02
Pace12:00 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:27:5934:1611:0234:16
11:02
-
10K
6.21 mi08:59:281:05:4510:3531:29
10:08
-0:54
15K
9.32 mi09:31:551:38:1210:3232:27
10:27
+0:19
21K
13.05 mi10:12:082:18:2510:3640:13
10:47
+0:20
25K
15.53 mi10:38:462:45:0310:3726:38
10:43
-0:04
30K
18.64 mi11:13:173:19:3410:4234:31
11:07
+0:24
35K
21.75 mi11:52:513:59:0811:0039:34
12:44
+1:37
40K
24.85 mi12:32:064:38:2311:1239:15
12:38
-0:06
Finish
26.22 mi12:50:104:56:2711:1918:04
13:15
+0:37

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

10:08 /mi

Average Pace

11:19 /mi

Slowest Pace

13:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:03:56

22% of race

Time at Steady Pace

2:15:38

46% of race

Time at Slower Pace

1:36:53

33% of race

Average Pace: 11:18 /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 mi08:27:5934:1611:0234:16
11:02
#18298
10K
6.21 mi08:59:281:05:4510:3531:29
10:08
#17450
15K
9.32 mi09:31:551:38:1210:3232:27
10:27
#17340
21K
13.05 mi10:12:082:18:2510:3640:13
10:47
#17202
25K
15.53 mi10:38:462:45:0310:3726:38
10:43
#17045
30K
18.64 mi11:13:173:19:3410:4234:31
11:07
#16486
35K
21.75 mi11:52:513:59:0811:0039:34
12:44
#17020
40K
24.85 mi12:32:064:38:2311:1239:15
12:38
#17083
Finish
26.22 mi12:50:104:56:2711:1918:04
13:15
#17324
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi18298621795617472(Top 58%)5831(Top 47%)912(Top 65%)
10K6.21 mi3.10 mi17450+8485790+427903+5316581(Top 55%)5388(Top 44%)839(Top 60%)
15K9.32 mi3.11 mi17340+1105744+46898+517472(Top 58%)5831(Top 47%)912(Top 65%)
21K13.05 mi3.73 mi17202+1385706+38899-117361(Top 58%)5844(Top 47%)911(Top 65%)
25K15.53 mi2.48 mi17045+1575674+32893+616931(Top 56%)5894(Top 48%)924(Top 66%)
30K18.64 mi3.11 mi16486+5595553+121888+515184(Top 51%)5314(Top 43%)857(Top 61%)
35K21.75 mi3.11 mi17020-5345929-376927-3919085(Top 64%)7462(Top 60%)1082(Top 77%)
40K24.85 mi3.10 mi17083-636096-167961-3417244(Top 57%)6852(Top 56%)1009(Top 72%)
Finish26.22 mi1.37 mi17324-2416240-144977-1619928(Top 66%)7926(Top 64%)1152(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×18story building
+279ft-164ft

Overall

17472

Females

5831

F20-24

5831

5K→10K

3.1 - 6.2 mi

Top 55%
×11story building
+103ft-217ft

Overall

16581

Females

5388

F20-24

5388

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+51ft-55ft

Overall

17472

Females

5831

F20-24

5831

15K→21K

9.3 - 13.1 mi

Top 58%
×1story
+20ft-37ft

Overall

17361

Females

5844

F20-24

5844

21K→25K

13.1 - 15.5 mi

Top 56%
×2story building
+35ft-8ft

Overall

16931

Females

5894

F20-24

5894

25K→30K

15.5 - 18.6 mi

Top 51%
×2story building
+58ft-57ft

Overall

15184

Females

5314

F20-24

5314

30K→35K

18.6 - 21.8 mi

Top 64%
×2story building
+98ft-92ft

Overall

19085

Females

7462

F20-24

7462

35K→40K

21.8 - 24.9 mi

Top 57%
×2story building
+36ft-53ft

Overall

17244

Females

6852

F20-24

6852

40K→Finish

24.9 - 26.2 mi

Top 66%
×5story building
+80ft-24ft

Overall

19928

Females

7926

F20-24

7926

Passing Analysis

Category:
Athletes Passed
3665*
Passed By
2691
Net Change
+974
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18298
5K → 10K1004*156+848#18298#17450
10K → 15K439*329+110#17450#17340
15K → 21K529*391+138#17340#17202
21K → 25K396*239+157#17202#17045
25K → 30K704*145+559#17045#16486
30K → 35K216*750-534#16486#17020
35K → 40K317*380-63#17020#17083
40K → Finish60*301-241#17083#17324
TOTALS3665*2691+974

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

📊

Passing Visuals

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