Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Riley Marcks

Scranton, PA

Bib: 4697 F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 15%
Gender (Female)
#0 / 12338
Top 9%
Division (F30-34)
#0 / 1621
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
8:44/mi
27:07
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:23/mi
53:10
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:14/mi
1:18:45
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:32/mi
1:50:32
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:29/mi
2:11:37
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:46/mi
2:38:50
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:46/mi
3:06:05
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:19/mi
3:35:03
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:18/mi
3:47:44
↑ 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
Time1:50:32
Pace8:28 /mi
2nd Half
Distance13.17 mi
Time1:57:11
Pace8:54 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:53:5927:078:4427:07
8:44
-
10K
6.21 mi08:20:0253:108:3326:03
8:23
-0:21
15K
9.32 mi08:45:371:18:458:2725:35
8:14
-0:09
21K
13.05 mi09:17:241:50:328:2831:47
8:32
+0:18
25K
15.53 mi09:38:292:11:378:2821:05
8:29
-0:03
30K
18.64 mi10:05:422:38:508:3127:13
8:46
+0:17
35K
21.75 mi10:32:573:06:058:3327:15
8:46
0:00
40K
24.85 mi11:01:553:35:038:3928:58
9:19
+0:33
Finish
26.22 mi11:14:363:47:448:4212:41
9:18
-0:01

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

8:14 /mi

Average Pace

8:42 /mi

Slowest Pace

9:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:05

82% of race

Time at Steady Pace

41:39

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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 mi07:53:5927:078:4427:07
8:44
#4181
10K
6.21 mi08:20:0253:108:3326:03
8:23
#4787
15K
9.32 mi08:45:371:18:458:2725:35
8:14
#4676
21K
13.05 mi09:17:241:50:328:2831:47
8:32
#4686
25K
15.53 mi09:38:292:11:378:2821:05
8:29
#4762
30K
18.64 mi10:05:422:38:508:3127:13
8:46
#4662
35K
21.75 mi10:32:573:06:058:3327:15
8:46
#4433
40K
24.85 mi11:01:553:35:038:3928:58
9:19
#4416
Finish
26.22 mi11:14:363:47:448:4212:41
9:18
#4400
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi41818311244475(Top 15%)904(Top 7%)132(Top 8%)
10K6.21 mi3.10 mi4787-606997-166152-285497(Top 18%)1165(Top 9%)175(Top 11%)
15K9.32 mi3.11 mi4676+111966+31146+64475(Top 15%)904(Top 7%)132(Top 8%)
21K13.05 mi3.73 mi4686-10982-16149-34894(Top 16%)1050(Top 9%)168(Top 10%)
25K15.53 mi2.48 mi4762-761009-27150-15676(Top 19%)1326(Top 11%)202(Top 13%)
30K18.64 mi3.11 mi4662+1001011-2155-54878(Top 16%)1163(Top 9%)180(Top 11%)
35K21.75 mi3.11 mi4433+2291000+11153+24115(Top 14%)1020(Top 8%)160(Top 10%)
40K24.85 mi3.10 mi4416+171046-46162-95320(Top 18%)1598(Top 13%)244(Top 15%)
Finish26.22 mi1.37 mi4400+161053-71625220(Top 17%)1635(Top 13%)253(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×18story building
+279ft-164ft

Overall

4475

Females

904

F30-34

904

5K→10K

3.1 - 6.2 mi

Top 18%
×11story building
+103ft-217ft

Overall

5497

Females

1165

F30-34

1165

10K→15K

6.2 - 9.3 mi

Top 15%
×3story building
+51ft-55ft

Overall

4475

Females

904

F30-34

904

15K→21K

9.3 - 13.1 mi

Top 16%
×1story
+20ft-37ft

Overall

4894

Females

1050

F30-34

1050

21K→25K

13.1 - 15.5 mi

Top 19%
×2story building
+35ft-8ft

Overall

5676

Females

1326

F30-34

1326

25K→30K

15.5 - 18.6 mi

Top 16%
×2story building
+58ft-57ft

Overall

4878

Females

1163

F30-34

1163

30K→35K

18.6 - 21.8 mi

Top 14%
×2story building
+98ft-92ft

Overall

4115

Females

1020

F30-34

1020

35K→40K

21.8 - 24.9 mi

Top 18%
×2story building
+36ft-53ft

Overall

5320

Females

1598

F30-34

1598

40K→Finish

24.9 - 26.2 mi

Top 17%
×5story building
+80ft-24ft

Overall

5220

Females

1635

F30-34

1635

Passing Analysis

Category:
Athletes Passed
1248*
Passed By
1467
Net Change
-219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4181
5K → 10K27*633-606#4181#4787
10K → 15K190*79+111#4787#4676
15K → 21K147*157-10#4676#4686
21K → 25K90166-76#4686#4762
25K → 30K206*106+100#4762#4662
30K → 35K297*68+229#4662#4433
35K → 40K204*187+17#4433#4416
40K → Finish87*71+16#4416#4400
TOTALS1248*1467-219

* 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