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MARINE CORPS MARATHON 2025

Erika Sun

Greenbelt, MD

Bib: 28631 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Division (F45-49)
#0 / 1255
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
12:56/mi
40:12
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
12:03/mi
1:17:39
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
12:18/mi
1:55:53
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
13:42/mi
2:46:57
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
16:04/mi
3:26:52
↑ 350.2%
30 ft elev
30K· 18.64 mi
16:46/mi
4:18:58
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
15:07/mi
5:05:56
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
18:35/mi
6:03:40
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
17:09/mi
6:27:04
↑ 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
Time2:46:57
Pace12:48 /mi
2nd Half
Distance13.17 mi
Time3:40:06
Pace16:43 /mi
📊Positive Split: 31.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:38:1040:1212:5640:12
12:56
-
10K
6.21 mi09:15:371:17:3912:3037:27
12:03
-0:53
15K
9.32 mi09:53:511:55:5312:2638:14
12:18
+0:15
21K
13.05 mi10:44:552:46:5712:4851:04
13:42
+1:24
25K
15.53 mi11:24:503:26:5213:1939:55
16:04
+2:22
30K
18.64 mi12:16:564:18:5813:5452:06
16:46
+0:42
35K
21.75 mi13:03:545:05:5614:0446:58
15:07
-1:39
40K
24.85 mi14:01:386:03:4014:3857:44
18:35
+3:28
Finish
26.22 mi14:25:026:27:0414:4623:24
17:09
-1:26

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

12:03 /mi

Average Pace

14:46 /mi

Slowest Pace

18:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:57

43% of race

Time at Steady Pace

1:26:53

22% of race

Time at Slower Pace

2:13:14

34% of race

Average Pace: 14:46 /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 mi08:38:1040:1212:5640:12
12:56
#27401
10K
6.21 mi09:15:371:17:3912:3037:27
12:03
#27002
15K
9.32 mi09:53:511:55:5312:2638:14
12:18
#26611
21K
13.05 mi10:44:552:46:5712:4851:04
13:42
#26902
25K
15.53 mi11:24:503:26:5213:1939:55
16:04
#27832
30K
18.64 mi12:16:564:18:5813:5452:06
16:46
#28349
35K
21.75 mi13:03:545:05:5614:0446:58
15:07
#28078
40K
24.85 mi14:01:386:03:4014:3857:44
18:35
#28422
Finish
26.22 mi14:25:026:27:0414:4623:24
17:09
#28397
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi2740110723103125897(Top 86%)9930(Top 80%)932(Top 75%)
10K6.21 mi3.10 mi27002+39910517+2061014+1726581(Top 88%)10320(Top 84%)991(Top 80%)
15K9.32 mi3.11 mi26611+39110290+227971+4325897(Top 86%)9930(Top 80%)932(Top 75%)
21K13.05 mi3.73 mi26902-29110492-202999-2827071(Top 90%)10687(Top 87%)1018(Top 82%)
25K15.53 mi2.48 mi27832-93011067-5751074-7529451(Top 98%)12055(Top 98%)1200(Top 97%)
30K18.64 mi3.11 mi28349-51711391-3241114-4029191(Top 97%)11974(Top 97%)1201(Top 97%)
35K21.75 mi3.11 mi28078+27111294+971110+425814(Top 86%)10566(Top 86%)1036(Top 83%)
40K24.85 mi3.10 mi28422-34411499-2051136-2629029(Top 97%)11942(Top 97%)1204(Top 97%)
Finish26.22 mi1.37 mi28397+2511501-21140-427694(Top 92%)11338(Top 92%)1117(Top 90%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×18story building
+279ft-164ft

Overall

25897

Females

9930

F45-49

9930

5K→10K

3.1 - 6.2 mi

Top 88%
×11story building
+103ft-217ft

Overall

26581

Females

10320

F45-49

10320

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+51ft-55ft

Overall

25897

Females

9930

F45-49

9930

15K→21K

9.3 - 13.1 mi

Top 90%
×1story
+20ft-37ft

Overall

27071

Females

10687

F45-49

10687

21K→25K

13.1 - 15.5 mi

Top 98%
×2story building
+35ft-8ft

Overall

29451

Females

12055

F45-49

12055

25K→30K

15.5 - 18.6 mi

Top 97%
×2story building
+58ft-57ft

Overall

29191

Females

11974

F45-49

11974

30K→35K

18.6 - 21.8 mi

Top 86%
×2story building
+98ft-92ft

Overall

25814

Females

10566

F45-49

10566

35K→40K

21.8 - 24.9 mi

Top 97%
×2story building
+36ft-53ft

Overall

29029

Females

11942

F45-49

11942

40K→Finish

24.9 - 26.2 mi

Top 92%
×5story building
+80ft-24ft

Overall

27694

Females

11338

F45-49

11338

Passing Analysis

Category:
Athletes Passed
2032*
Passed By
3028
Net Change
-996
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27401
5K → 10K586*187+399#27401#27002
10K → 15K516*125+391#27002#26611
15K → 21K304*595-291#26611#26902
21K → 25K57*987-930#26902#27832
25K → 30K89*606-517#27832#28349
30K → 35K343*72+271#28349#28078
35K → 40K64*408-344#28078#28422
40K → Finish73*48+25#28422#28397
TOTALS2032*3028-996

* 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