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MARINE CORPS MARATHON 2025

Nia Nguyen

Lansdowne, VA

Bib: 29937 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Division (F50-54)
#0 / 1155
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
10:59/mi
34:06
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:33/mi
1:06:54
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
11:37/mi
1:43:01
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
13:21/mi
2:32:47
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
14:42/mi
3:09:18
↑ 350.2%
30 ft elev
30K· 18.64 mi
13:02/mi
3:49:49
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
13:22/mi
4:31:22
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
13:51/mi
5:14:23
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:59/mi
5:32:05
↑ 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
Time2:32:47
Pace11:43 /mi
2nd Half
Distance13.17 mi
Time2:59:17
Pace13:37 /mi
📊Positive Split: 17.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:14:4834:0610:5934:06
10:59
-
10K
6.21 mi08:47:361:06:5410:4632:48
10:33
-0:26
15K
9.32 mi09:23:431:43:0111:0336:07
11:37
+1:04
21K
13.05 mi10:13:292:32:4711:4349:46
13:21
+1:44
25K
15.53 mi10:50:003:09:1812:1136:31
14:42
+1:21
30K
18.64 mi11:30:313:49:4912:2040:31
13:02
-1:40
35K
21.75 mi12:12:044:31:2212:2941:33
13:22
+0:20
40K
24.85 mi12:55:055:14:2312:3943:01
13:51
+0:29
Finish
26.22 mi13:12:475:32:0512:4017:42
12:59
-0:52

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

10:33 /mi

Average Pace

12:40 /mi

Slowest Pace

14:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:01

31% of race

Time at Steady Pace

2:29:32

45% of race

Time at Slower Pace

1:19:32

24% of race

Average Pace: 12:40 /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 mi08:14:4834:0610:5934:06
10:59
#17965
10K
6.21 mi08:47:361:06:5410:4632:48
10:33
#18683
15K
9.32 mi09:23:431:43:0111:0336:07
11:37
#20591
21K
13.05 mi10:13:292:32:4711:4349:46
13:21
#23058
25K
15.53 mi10:50:003:09:1812:1136:31
14:42
#24350
30K
18.64 mi11:30:313:49:4912:2040:31
13:02
#23740
35K
21.75 mi12:12:044:31:2212:2941:33
13:22
#23300
40K
24.85 mi12:55:055:14:2312:3943:01
13:51
#22953
Finish
26.22 mi13:12:475:32:0512:4017:42
12:59
#22723
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi17965605640823591(Top 79%)8741(Top 71%)665(Top 59%)
10K6.21 mi3.10 mi18683-7186396-340441-3319496(Top 65%)6764(Top 55%)470(Top 41%)
15K9.32 mi3.11 mi20591-19087283-887513-7223591(Top 79%)8741(Top 71%)665(Top 59%)
21K13.05 mi3.73 mi23058-24678510-1227647-13426325(Top 88%)10296(Top 83%)865(Top 76%)
25K15.53 mi2.48 mi24350-12929208-698728-8128164(Top 94%)11462(Top 93%)1012(Top 89%)
30K18.64 mi3.11 mi23740+6109003+205719+921782(Top 72%)8405(Top 68%)653(Top 58%)
35K21.75 mi3.11 mi23300+4408875+128704+1521048(Top 70%)8382(Top 68%)662(Top 58%)
40K24.85 mi3.10 mi22953+3478808+67703+120916(Top 70%)8449(Top 68%)659(Top 58%)
Finish26.22 mi1.37 mi22723+2308716+92687+1619108(Top 64%)7593(Top 62%)544(Top 48%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×18story building
+279ft-164ft

Overall

23591

Females

8741

F50-54

8741

5K→10K

3.1 - 6.2 mi

Top 65%
×11story building
+103ft-217ft

Overall

19496

Females

6764

F50-54

6764

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+51ft-55ft

Overall

23591

Females

8741

F50-54

8741

15K→21K

9.3 - 13.1 mi

Top 88%
×1story
+20ft-37ft

Overall

26325

Females

10296

F50-54

10296

21K→25K

13.1 - 15.5 mi

Top 94%
×2story building
+35ft-8ft

Overall

28164

Females

11462

F50-54

11462

25K→30K

15.5 - 18.6 mi

Top 72%
×2story building
+58ft-57ft

Overall

21782

Females

8405

F50-54

8405

30K→35K

18.6 - 21.8 mi

Top 70%
×2story building
+98ft-92ft

Overall

21048

Females

8382

F50-54

8382

35K→40K

21.8 - 24.9 mi

Top 70%
×2story building
+36ft-53ft

Overall

20916

Females

8449

F50-54

8449

40K→Finish

24.9 - 26.2 mi

Top 64%
×5story building
+80ft-24ft

Overall

19108

Females

7593

F50-54

7593

Passing Analysis

Category:
Athletes Passed
2437*
Passed By
7195
Net Change
-4758
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17965
5K → 10K194*912-718#17965#18683
10K → 15K102*2010-1908#18683#20591
15K → 21K108*2575-2467#20591#23058
21K → 25K67*1359-1292#23058#24350
25K → 30K692*82+610#24350#23740
30K → 35K552*112+440#23740#23300
35K → 40K465*118+347#23300#22953
40K → Finish257*27+230#22953#22723
TOTALS2437*7195-4758

* 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