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MARINE CORPS MARATHON 2025

Nancy Chiu

Fresh Meadows, NY

Bib: 23926 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Division (F60-64)
#0 / 423
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
13:25/mi
41:40
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
12:52/mi
1:21:37
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
12:56/mi
2:01:47
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
13:33/mi
2:52:17
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
12:51/mi
3:24:13
↑ 350.2%
30 ft elev
30K· 18.64 mi
13:29/mi
4:06:05
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
14:12/mi
4:50:13
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
14:47/mi
5:36:10
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
14:08/mi
5:55:26
↑ 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
Time2:52:17
Pace13:12 /mi
2nd Half
Distance13.17 mi
Time3:03:09
Pace13:54 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:46:0841:4013:2541:40
13:25
-
10K
6.21 mi09:26:051:21:3713:0839:57
12:52
-0:33
15K
9.32 mi10:06:152:01:4713:0440:10
12:56
+0:04
21K
13.05 mi10:56:452:52:1713:1250:30
13:33
+0:37
25K
15.53 mi11:28:413:24:1313:0931:56
12:51
-0:42
30K
18.64 mi12:10:334:06:0513:1241:52
13:29
+0:38
35K
21.75 mi12:54:414:50:1313:2144:08
14:12
+0:43
40K
24.85 mi13:40:385:36:1013:3245:57
14:47
+0:35
Finish
26.22 mi13:59:545:55:2613:3419:16
14:08
-0:39

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

12:51 /mi

Average Pace

13:34 /mi

Slowest Pace

14:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:25:21

75% of race

Time at Steady Pace

1:30:05

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 13:33 /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 mi08:46:0841:4013:2541:40
13:25
#28540
10K
6.21 mi09:26:051:21:3713:0839:57
12:52
#28592
15K
9.32 mi10:06:152:01:4713:0440:10
12:56
#28321
21K
13.05 mi10:56:452:52:1713:1250:30
13:33
#27949
25K
15.53 mi11:28:413:24:1313:0931:56
12:51
#27412
30K
18.64 mi12:10:334:06:0513:1241:52
13:29
#26669
35K
21.75 mi12:54:414:50:1313:2144:08
14:12
#26279
40K
24.85 mi13:40:385:36:1013:3245:57
14:47
#25925
Finish
26.22 mi13:59:545:55:2613:3419:16
14:08
#25736
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi285401137033427597(Top 92%)10870(Top 88%)315(Top 76%)
10K6.21 mi3.10 mi28592-5211401-31339-528627(Top 95%)11445(Top 93%)339(Top 82%)
15K9.32 mi3.11 mi28321+27111261+140331+827597(Top 92%)10870(Top 88%)315(Top 76%)
21K13.05 mi3.73 mi27949+37211078+183322+926761(Top 89%)10530(Top 85%)302(Top 73%)
25K15.53 mi2.48 mi27412+53710837+241312+1024189(Top 81%)9429(Top 76%)247(Top 60%)
30K18.64 mi3.11 mi26669+74310502+335298+1422997(Top 77%)9014(Top 73%)231(Top 56%)
35K21.75 mi3.11 mi26279+39010381+121293+523573(Top 78%)9586(Top 78%)268(Top 65%)
40K24.85 mi3.10 mi25925+35410252+129284+923562(Top 78%)9626(Top 78%)258(Top 62%)
Finish26.22 mi1.37 mi25736+18910184+68282+222451(Top 75%)9081(Top 74%)226(Top 55%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×18story building
+279ft-164ft

Overall

27597

Females

10870

F60-64

10870

5K→10K

3.1 - 6.2 mi

Top 95%
×11story building
+103ft-217ft

Overall

28627

Females

11445

F60-64

11445

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+51ft-55ft

Overall

27597

Females

10870

F60-64

10870

15K→21K

9.3 - 13.1 mi

Top 89%
×1story
+20ft-37ft

Overall

26761

Females

10530

F60-64

10530

21K→25K

13.1 - 15.5 mi

Top 81%
×2story building
+35ft-8ft

Overall

24189

Females

9429

F60-64

9429

25K→30K

15.5 - 18.6 mi

Top 77%
×2story building
+58ft-57ft

Overall

22997

Females

9014

F60-64

9014

30K→35K

18.6 - 21.8 mi

Top 78%
×2story building
+98ft-92ft

Overall

23573

Females

9586

F60-64

9586

35K→40K

21.8 - 24.9 mi

Top 78%
×2story building
+36ft-53ft

Overall

23562

Females

9626

F60-64

9626

40K→Finish

24.9 - 26.2 mi

Top 75%
×5story building
+80ft-24ft

Overall

22451

Females

9081

F60-64

9081

Passing Analysis

Category:
Athletes Passed
3481*
Passed By
677
Net Change
+2804
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#28540
5K → 10K183*235-52#28540#28592
10K → 15K382*111+271#28592#28321
15K → 21K473*101+372#28321#27949
21K → 25K551*14+537#27949#27412
25K → 30K763*20+743#27412#26669
30K → 35K474*84+390#26669#26279
35K → 40K435*81+354#26279#25925
40K → Finish220*31+189#25925#25736
TOTALS3481*677+2804

* 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