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MARINE CORPS MARATHON 2025

Katherine Niknia

Arlington, VA

Bib: 17211 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 48%
Gender (Female)
#0 / 12338
Top 41%
Masters (Masters Women)
#0 / 5451
Top 29%
Division (F45-49)
#0 / 1255
Top 32%
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
11:21/mi
35:16
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:54/mi
1:09:08
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:52/mi
1:42:53
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:42/mi
2:22:45
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:16/mi
2:48:16
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:45/mi
3:21:40
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:28/mi
3:54:11
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:46/mi
4:27:38
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:13/mi
4:41:34
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:22:4510:56 /mi+2.8%
2nd Half
2:18:4810:32 /mi✓ faster
Negative split — 2.8% faster in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:17:4535:1611:2135:16
11:21
-
10K
6.21 mi08:51:371:09:0811:0833:52
10:54
-0:27
15K
9.32 mi09:25:221:42:5311:0233:45
10:52
-0:02
21K
13.05 mi10:05:142:22:4510:5639:52
10:42
-0:10
25K
15.53 mi10:30:452:48:1610:5025:31
10:16
-0:26
30K
18.64 mi11:04:093:21:4010:4933:24
10:45
+0:29
35K
21.75 mi11:36:403:54:1110:4632:31
10:28
-0:17
40K
24.85 mi12:10:074:27:3810:4633:27
10:46
+0:18
Finish
26.22 mi12:24:034:41:3410:4513:56
10:13
-0:33

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

10:13 /mi

Average Pace

10:45 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:06:18

87% of race

Time at Steady Pace

35:16

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:44 /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 mi08:17:4535:1611:2135:16
11:21
#20378
10K
6.21 mi08:51:371:09:0811:0833:52
10:54
#20938
15K
9.32 mi09:25:221:42:5311:0233:45
10:52
#20507
21K
13.05 mi10:05:142:22:4510:5639:52
10:42
#19134
25K
15.53 mi10:30:452:48:1610:5025:31
10:16
#18189
30K
18.64 mi11:04:093:21:4010:4933:24
10:45
#17116
35K
21.75 mi11:36:403:54:1110:4632:31
10:28
#15858
40K
24.85 mi12:10:074:27:3810:4633:27
10:46
#14929
Finish
26.22 mi12:24:034:41:3410:4513:56
10:13
#14514
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi203787200638199566996612
10K6.21 mi3.10 mi20938-5607456-256671-33215967768700
15K9.32 mi3.11 mi20507+4317248+208648+23199566996612
21K13.05 mi3.73 mi19134+13736625+623579+69168635620478
25K15.53 mi2.48 mi18189+9456228+397544+35148404929380
30K18.64 mi3.11 mi17116+10735834+394497+47137454654367
35K21.75 mi3.11 mi15858+12585397+437443+54109263744289
40K24.85 mi3.10 mi14929+9295115+282413+30106233868296
Finish26.22 mi1.37 mi14514+4154982+133400+1388043142229

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×18story building
+279ft-164ft

Overall

19956

Females

6996

F45-49

6996

5K→10K

3.1 - 6.2 mi

Top 72%
×11story building
+103ft-217ft

Overall

21596

Females

7768

F45-49

7768

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+51ft-55ft

Overall

19956

Females

6996

F45-49

6996

15K→21K

9.3 - 13.1 mi

Top 56%
×1story
+20ft-37ft

Overall

16863

Females

5620

F45-49

5620

21K→25K

13.1 - 15.5 mi

Top 49%
×2story building
+35ft-8ft

Overall

14840

Females

4929

F45-49

4929

25K→30K

15.5 - 18.6 mi

Top 46%
×2story building
+58ft-57ft

Overall

13745

Females

4654

F45-49

4654

30K→35K

18.6 - 21.8 mi

Top 36%
×2story building
+98ft-92ft

Overall

10926

Females

3744

F45-49

3744

35K→40K

21.8 - 24.9 mi

Top 35%
×2story building
+36ft-53ft

Overall

10623

Females

3868

F45-49

3868

40K→Finish

24.9 - 26.2 mi

Top 29%
×5story building
+80ft-24ft

Overall

8804

Females

3142

F45-49

3142

Passing Analysis

Category:
Athletes Passed
7017*
Passed By
1153
Net Change
+5864
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20378
5K → 10K255*815-560#20378#20938
10K → 15K625*194+431#20938#20507
15K → 21K1426*53+1373#20507#19134
21K → 25K959*14+945#19134#18189
25K → 30K1100*27+1073#18189#17116
30K → 35K1267*9+1258#17116#15858
35K → 40K956*27+929#15858#14929
40K → Finish429*14+415#14929#14514
TOTALS7017*1153+5864

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

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions