Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Karen St. Clair

Raleigh, NC

Bib: 37581 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Gender (Female)
#0 / 12338
Top 48%
Masters (Masters Women)
#0 / 5451
Top 36%
Division (F45-49)
#0 / 1255
Top 41%
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
11:47/mi
36:36
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:41/mi
1:09:49
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:42/mi
1:43:04
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:10/mi
2:24:42
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:35/mi
2:51:01
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:05/mi
3:25:26
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:13/mi
4:00:17
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:33/mi
4:36:10
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:04/mi
4:52:38
↑ 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 on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:24:42
Pace11:05 /mi
2nd Half
Distance13.17 mi
Time2:27:56
Pace11:14 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:28:0536:3611:4736:36
11:47
-
10K
6.21 mi09:01:181:09:4911:1433:13
10:41
-1:06
15K
9.32 mi09:34:331:43:0411:0333:15
10:42
+0:01
21K
13.05 mi10:16:112:24:4211:0541:38
11:10
+0:28
25K
15.53 mi10:42:302:51:0111:0126:19
10:35
-0:35
30K
18.64 mi11:16:553:25:2611:0134:25
11:05
+0:30
35K
21.75 mi11:51:464:00:1711:0334:51
11:13
+0:08
40K
24.85 mi12:27:394:36:1011:0735:53
11:33
+0:20
Finish
26.22 mi12:44:074:52:3811:1016:28
12:04
+0:31

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

10:35 /mi

Average Pace

11:10 /mi

Slowest Pace

12:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:59:34

82% of race

Time at Steady Pace

53:04

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:10 /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 mi08:28:0536:3611:4736:36
11:47
#22765
10K
6.21 mi09:01:181:09:4911:1433:13
10:41
#21585
15K
9.32 mi09:34:331:43:0411:0333:15
10:42
#20631
21K
13.05 mi10:16:112:24:4211:0541:38
11:10
#19908
25K
15.53 mi10:42:302:51:0111:0126:19
10:35
#19096
30K
18.64 mi11:16:553:25:2611:0134:25
11:05
#18156
35K
21.75 mi11:51:464:00:1711:0334:51
11:13
#17302
40K
24.85 mi12:27:394:36:1011:0735:53
11:33
#16638
Finish
26.22 mi12:44:074:52:3811:1016:28
12:04
#16571
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi22765834775619089(Top 64%)6574(Top 53%)566(Top 46%)
10K6.21 mi3.10 mi21585+11807773+574698+5820327(Top 68%)7151(Top 58%)629(Top 51%)
15K9.32 mi3.11 mi20631+9547300+473655+4319089(Top 64%)6574(Top 53%)566(Top 46%)
21K13.05 mi3.73 mi19908+7236970+330619+3619161(Top 64%)6708(Top 54%)580(Top 47%)
25K15.53 mi2.48 mi19096+8126650+320582+3716374(Top 54%)5638(Top 46%)463(Top 37%)
30K18.64 mi3.11 mi18156+9406297+353553+2915084(Top 50%)5269(Top 43%)429(Top 35%)
35K21.75 mi3.11 mi17302+8546066+231526+2713869(Top 46%)5080(Top 41%)418(Top 34%)
40K24.85 mi3.10 mi16638+6645889+177502+2413580(Top 45%)5234(Top 42%)430(Top 35%)
Finish26.22 mi1.37 mi16571+675900-11507-516015(Top 53%)6293(Top 51%)532(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×18story building
+279ft-164ft

Overall

19089

Females

6574

F45-49

6574

5K→10K

3.1 - 6.2 mi

Top 68%
×11story building
+103ft-217ft

Overall

20327

Females

7151

F45-49

7151

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+51ft-55ft

Overall

19089

Females

6574

F45-49

6574

15K→21K

9.3 - 13.1 mi

Top 64%
×1story
+20ft-37ft

Overall

19161

Females

6708

F45-49

6708

21K→25K

13.1 - 15.5 mi

Top 54%
×2story building
+35ft-8ft

Overall

16374

Females

5638

F45-49

5638

25K→30K

15.5 - 18.6 mi

Top 50%
×2story building
+58ft-57ft

Overall

15084

Females

5269

F45-49

5269

30K→35K

18.6 - 21.8 mi

Top 46%
×2story building
+98ft-92ft

Overall

13869

Females

5080

F45-49

5080

35K→40K

21.8 - 24.9 mi

Top 45%
×2story building
+36ft-53ft

Overall

13580

Females

5234

F45-49

5234

40K→Finish

24.9 - 26.2 mi

Top 53%
×5story building
+80ft-24ft

Overall

16015

Females

6293

F45-49

6293

Passing Analysis

Category:
Athletes Passed
6876*
Passed By
682
Net Change
+6194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22765
5K → 10K1287*107+1180#22765#21585
10K → 15K1010*56+954#21585#20631
15K → 21K912*189+723#20631#19908
21K → 25K845*33+812#19908#19096
25K → 30K978*38+940#19096#18156
30K → 35K934*80+854#18156#17302
35K → 40K757*93+664#17302#16638
40K → Finish153*86+67#16638#16571
TOTALS6876*682+6194

* 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