Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Samantha Walker

Pickerington, OH

Bib: 29031 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
27 ft elev
5K· 3.11 mi
13:23/mi
41:36
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
13:12/mi
1:22:37
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
13:39/mi
2:05:03
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
14:00/mi
2:57:13
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
14:16/mi
3:32:41
↑ 350.2%
30 ft elev
30K· 18.64 mi
15:19/mi
4:20:16
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
15:51/mi
5:09:30
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
19:21/mi
6:09:36
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
18:38/mi
6:35:01
↑ 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
Time2:57:13
Pace13:35 /mi
2nd Half
Distance13.17 mi
Time3:37:48
Pace16:32 /mi
📊Positive Split: 22.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:42:5641:3613:2341:36
13:23
-
10K
6.21 mi09:23:571:22:3713:1841:01
13:12
-0:11
15K
9.32 mi10:06:232:05:0313:2542:26
13:39
+0:27
21K
13.05 mi10:58:332:57:1313:3552:10
14:00
+0:21
25K
15.53 mi11:34:013:32:4113:4135:28
14:16
+0:16
30K
18.64 mi12:21:364:20:1613:5847:35
15:19
+1:03
35K
21.75 mi13:10:505:09:3014:1449:14
15:51
+0:32
40K
24.85 mi14:10:566:09:3614:521:00:06
19:21
+3:30
Finish
26.22 mi14:36:216:35:0115:0525:25
18:38
-0:43

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

13:12 /mi

Average Pace

15:05 /mi

Slowest Pace

19:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

4:20:16

66% of race

Time at Slower Pace

2:14:45

34% of race

Average Pace: 15:04 /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 mi08:42:5641:3613:2341:36
13:23
#28505
10K
6.21 mi09:23:571:22:3713:1841:01
13:12
#28907
15K
9.32 mi10:06:232:05:0313:2542:26
13:39
#28947
21K
13.05 mi10:58:332:57:1313:3552:10
14:00
#28665
25K
15.53 mi11:34:013:32:4113:4135:28
14:16
#28593
30K
18.64 mi12:21:364:20:1613:5847:35
15:19
#28468
35K
21.75 mi13:10:505:09:3014:1449:14
15:51
#28358
40K
24.85 mi14:10:566:09:3614:521:00:06
19:21
#28740
Finish
26.22 mi14:36:216:35:0115:0525:25
18:38
#28764
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi2850511351153528914116391550
10K6.21 mi3.10 mi28907-40211602-2511556-2129130117461571
15K9.32 mi3.11 mi28947-4011612-101551+528914116391550
21K13.05 mi3.73 mi28665+28211484+1281537+1427670110261465
25K15.53 mi2.48 mi28593+7211481+31541-427462111221480
30K18.64 mi3.11 mi28468+12511457+241532+927502112131502
35K21.75 mi3.11 mi28358+11011440+171536-427277112021493
40K24.85 mi3.10 mi28740-38211669-2291563-2729390120881587
Finish26.22 mi1.37 mi28764-2411690-211567-428843118491569

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×18story building
+279ft-164ft

Overall

28914

Females

11639

F30-34

11639

5K→10K

3.1 - 6.2 mi

Top 97%
×11story building
+103ft-217ft

Overall

29130

Females

11746

F30-34

11746

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+51ft-55ft

Overall

28914

Females

11639

F30-34

11639

15K→21K

9.3 - 13.1 mi

Top 92%
×1story
+20ft-37ft

Overall

27670

Females

11026

F30-34

11026

21K→25K

13.1 - 15.5 mi

Top 91%
×2story building
+35ft-8ft

Overall

27462

Females

11122

F30-34

11122

25K→30K

15.5 - 18.6 mi

Top 92%
×2story building
+58ft-57ft

Overall

27502

Females

11213

F30-34

11213

30K→35K

18.6 - 21.8 mi

Top 91%
×2story building
+98ft-92ft

Overall

27277

Females

11202

F30-34

11202

35K→40K

21.8 - 24.9 mi

Top 98%
×2story building
+36ft-53ft

Overall

29390

Females

12088

F30-34

12088

40K→Finish

24.9 - 26.2 mi

Top 96%
×5story building
+80ft-24ft

Overall

28843

Females

11849

F30-34

11849

Passing Analysis

Category:
Athletes Passed
1372*
Passed By
1631
Net Change
-259
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28505
5K → 10K89*491-402#28505#28907
10K → 15K163*203-40#28907#28947
15K → 21K390*108+282#28947#28665
21K → 25K208*136+72#28665#28593
25K → 30K233*108+125#28593#28468
30K → 35K205*95+110#28468#28358
35K → 40K46*428-382#28358#28740
40K → Finish38*62-24#28740#28764
TOTALS1372*1631-259

* 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