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MARINE CORPS MARATHON 2025

Katherine Sims

Winston Salem, NC

Bib: 31407 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F35-39)
#0 / 1413
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
14:05/mi
43:46
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
12:25/mi
1:22:22
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
12:51/mi
2:02:18
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
13:17/mi
2:51:50
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
12:40/mi
3:23:19
↑ 350.2%
30 ft elev
30K· 18.64 mi
13:06/mi
4:04:02
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:58/mi
4:47:24
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:55/mi
5:30:39
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
16:25/mi
5:53:02
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

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Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:51:50
Pace13:10 /mi
2nd Half
Distance13.17 mi
Time3:01:12
Pace13:46 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:38:5343:4614:0543:46
14:05
-
10K
6.21 mi09:17:291:22:2213:1538:36
12:25
-1:40
15K
9.32 mi09:57:252:02:1813:0739:56
12:51
+0:26
21K
13.05 mi10:46:572:51:5013:1049:32
13:17
+0:26
25K
15.53 mi11:18:263:23:1913:0531:29
12:40
-0:37
30K
18.64 mi11:59:094:04:0213:0540:43
13:06
+0:26
35K
21.75 mi12:42:314:47:2413:1343:22
13:58
+0:52
40K
24.85 mi13:25:465:30:3913:1843:15
13:55
-0:03
Finish
26.22 mi13:48:095:53:0213:2822:23
16:25
+2:30

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

12:25 /mi

Average Pace

13:28 /mi

Slowest Pace

16:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:05

20% of race

Time at Steady Pace

2:10:11

37% of race

Time at Slower Pace

2:32:46

43% of race

Average Pace: 13:28 /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 mi08:38:5343:4614:0543:46
14:05
#29628
10K
6.21 mi09:17:291:22:2213:1538:36
12:25
#28858
15K
9.32 mi09:57:252:02:1813:0739:56
12:51
#28466
21K
13.05 mi10:46:572:51:5013:1049:32
13:17
#27874
25K
15.53 mi11:18:263:23:1913:0531:29
12:40
#27258
30K
18.64 mi11:59:094:04:0213:0540:43
13:06
#26373
35K
21.75 mi12:42:314:47:2413:1343:22
13:58
#25890
40K
24.85 mi13:25:465:30:3913:1843:15
13:55
#25211
Finish
26.22 mi13:48:095:53:0213:2822:23
16:25
#25433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF35-39Seg. OverallSeg. FemalesSeg. F35-39
5K3.11 mi3.11 mi2962812030136027423(Top 91%)10765(Top 87%)1248(Top 89%)
10K6.21 mi3.10 mi28858+77011571+4591321+3927642(Top 92%)10888(Top 88%)1263(Top 90%)
15K9.32 mi3.11 mi28466+39211341+2301307+1427423(Top 91%)10765(Top 87%)1248(Top 89%)
21K13.05 mi3.73 mi27874+59211043+2981287+2026185(Top 87%)10222(Top 83%)1198(Top 86%)
25K15.53 mi2.48 mi27258+61610752+2911251+3623712(Top 79%)9187(Top 74%)1062(Top 76%)
30K18.64 mi3.11 mi26373+88510359+3931206+4521953(Top 73%)8491(Top 69%)974(Top 70%)
35K21.75 mi3.11 mi25890+48310167+1921172+3422888(Top 76%)9269(Top 75%)1073(Top 77%)
40K24.85 mi3.10 mi25211+6799900+2671140+3221159(Top 70%)8550(Top 69%)983(Top 70%)
Finish26.22 mi1.37 mi25433-22210028-1281154-1426863(Top 89%)10980(Top 89%)1265(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×18story building
+279ft-164ft

Overall

27423

Females

10765

F35-39

10765

5K→10K

3.1 - 6.2 mi

Top 92%
×11story building
+103ft-217ft

Overall

27642

Females

10888

F35-39

10888

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+51ft-55ft

Overall

27423

Females

10765

F35-39

10765

15K→21K

9.3 - 13.1 mi

Top 87%
×1story
+20ft-37ft

Overall

26185

Females

10222

F35-39

10222

21K→25K

13.1 - 15.5 mi

Top 79%
×2story building
+35ft-8ft

Overall

23712

Females

9187

F35-39

9187

25K→30K

15.5 - 18.6 mi

Top 73%
×2story building
+58ft-57ft

Overall

21953

Females

8491

F35-39

8491

30K→35K

18.6 - 21.8 mi

Top 76%
×2story building
+98ft-92ft

Overall

22888

Females

9269

F35-39

9269

35K→40K

21.8 - 24.9 mi

Top 70%
×2story building
+36ft-53ft

Overall

21159

Females

8550

F35-39

8550

40K→Finish

24.9 - 26.2 mi

Top 89%
×5story building
+80ft-24ft

Overall

26863

Females

10980

F35-39

10980

Passing Analysis

Category:
Athletes Passed
4722*
Passed By
527
Net Change
+4195
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#29628
5K → 10K797*27+770#29628#28858
10K → 15K440*48+392#28858#28466
15K → 21K637*45+592#28466#27874
21K → 25K633*17+616#27874#27258
25K → 30K899*14+885#27258#26373
30K → 35K550*67+483#26373#25890
35K → 40K721*42+679#25890#25211
40K → Finish45*267-222#25211#25433
TOTALS4722*527+4195

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Questions or issues regarding timing data?

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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions