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MARINE CORPS MARATHON 2025

Gladys Chi

Silver Spring, MD

Bib: 17239 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Top 45%
Masters (Masters Women)
#0 / 5451
Top 33%
Division (F40-44)
#0 / 1527
Top 42%
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
10:52/mi
33:47
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:51/mi
1:04:22
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:51/mi
1:34:59
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:30/mi
2:17:51
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
11:10/mi
2:45:36
↑ 350.2%
30 ft elev
30K· 18.64 mi
12:58/mi
3:25:52
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:54/mi
3:59:45
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:54/mi
4:33:38
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:45/mi
4:48:18
↑ 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
2:17:5110:34 /mi⚡ faster
2nd Half
2:30:2611:25 /mi+9.1%
Positive split — 9.1% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:18:1833:4710:5233:47
10:52
-
10K
6.21 mi08:48:531:04:2210:2230:35
9:51
-1:01
15K
9.32 mi09:19:301:34:5910:1130:37
9:51
0:00
21K
13.05 mi10:02:222:17:5110:3442:52
11:30
+1:39
25K
15.53 mi10:30:072:45:3610:4027:45
11:10
-0:20
30K
18.64 mi11:10:233:25:5211:0340:16
12:58
+1:48
35K
21.75 mi11:44:163:59:4511:0133:53
10:54
-2:04
40K
24.85 mi12:18:094:33:3811:0133:53
10:54
0:00
Finish
26.22 mi12:32:494:48:1811:0014:40
10:45
-0:09

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

9:51 /mi

Average Pace

11:00 /mi

Slowest Pace

12:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:01:12

21% of race

Time at Steady Pace

2:23:58

50% of race

Time at Slower Pace

1:23:08

29% of race

Average Pace: 11:00 /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.

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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 mi08:18:1833:4710:5233:47
10:52
#17280
10K
6.21 mi08:48:531:04:2210:2230:35
9:51
#15912
15K
9.32 mi09:19:301:34:5910:1130:37
9:51
#15090
21K
13.05 mi10:02:222:17:5110:3442:52
11:30
#16937
25K
15.53 mi10:30:072:45:3610:4027:45
11:10
#17243
30K
18.64 mi11:10:233:25:5211:0340:16
12:58
#18263
35K
21.75 mi11:44:163:59:4511:0133:53
10:54
#17155
40K
24.85 mi12:18:094:33:3811:0133:53
10:54
#16139
Finish
26.22 mi12:32:494:48:1811:0014:40
10:45
#15770
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi172805751669139314305499
10K6.21 mi3.10 mi15912+13685102+649610+59146114537542
15K9.32 mi3.11 mi15090+8224762+340560+50139314305499
21K13.05 mi3.73 mi16937-18475589-827652-92205687367844
25K15.53 mi2.48 mi17243-3065758-169665-13187546772767
30K18.64 mi3.11 mi18263-10206347-589737-72215368275967
35K21.75 mi3.11 mi17155+11085989+358696+41126644558528
40K24.85 mi3.10 mi16139+10165646+343659+37111744124469
Finish26.22 mi1.37 mi15770+3695532+114642+17109014095454

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×18story building
+279ft-164ft

Overall

13931

Females

4305

F40-44

4305

5K→10K

3.1 - 6.2 mi

Top 49%
×11story building
+103ft-217ft

Overall

14611

Females

4537

F40-44

4537

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+51ft-55ft

Overall

13931

Females

4305

F40-44

4305

15K→21K

9.3 - 13.1 mi

Top 68%
×1story
+20ft-37ft

Overall

20568

Females

7367

F40-44

7367

21K→25K

13.1 - 15.5 mi

Top 62%
×2story building
+35ft-8ft

Overall

18754

Females

6772

F40-44

6772

25K→30K

15.5 - 18.6 mi

Top 72%
×2story building
+58ft-57ft

Overall

21536

Females

8275

F40-44

8275

30K→35K

18.6 - 21.8 mi

Top 42%
×2story building
+98ft-92ft

Overall

12664

Females

4558

F40-44

4558

35K→40K

21.8 - 24.9 mi

Top 37%
×2story building
+36ft-53ft

Overall

11174

Females

4124

F40-44

4124

40K→Finish

24.9 - 26.2 mi

Top 36%
×5story building
+80ft-24ft

Overall

10901

Females

4095

F40-44

4095

Passing Analysis

Category:
Athletes Passed
5384*
Passed By
3874
Net Change
+1510
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17280
5K → 10K1430*62+1368#17280#15912
10K → 15K881*59+822#15912#15090
15K → 21K106*1953-1847#15090#16937
21K → 25K239*545-306#16937#17243
25K → 30K157*1177-1020#17243#18263
30K → 35K1143*35+1108#18263#17155
35K → 40K1048*32+1016#17155#16139
40K → Finish380*11+369#16139#15770
TOTALS5384*3874+1510

* 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