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MARINE CORPS MARATHON 2025

Megan Ding

Chicago, IL

Bib: 20463 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 35%
Gender (Female)
#0 / 12338
Top 26%
Division (F20-24)
#0 / 1404
Top 40%
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
15:06/mi
46:54
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:34/mi
1:16:38
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:33/mi
1:46:18
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:35/mi
2:22:02
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:07/mi
2:44:41
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:08/mi
3:13:04
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:39/mi
3:39:55
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:56/mi
4:07:41
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:00/mi
4:19:57
↑ 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 21K
Distance13.05 mi
Time2:22:02
Pace10:53 /mi
2nd Half✓ Faster
Distance13.17 mi
Time1:57:55
Pace8:57 /mi
📊Negative Split: 17.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:07:2246:5415:0646:54
15:06
-
10K
6.21 mi08:37:061:16:3812:2029:44
9:34
-5:32
15K
9.32 mi09:06:461:46:1811:2429:40
9:33
-0:01
21K
13.05 mi09:42:302:22:0210:5335:44
9:35
+0:02
25K
15.53 mi10:05:092:44:4110:3622:39
9:07
-0:28
30K
18.64 mi10:33:323:13:0410:2128:23
9:08
+0:01
35K
21.75 mi11:00:233:39:5510:0726:51
8:39
-0:29
40K
24.85 mi11:28:094:07:419:5827:46
8:56
+0:17
Finish
26.22 mi11:40:254:19:579:5512:16
9:00
+0:04

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

8:39 /mi

Average Pace

9:55 /mi

Slowest Pace

15:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:33:03

82% of race

Time at Slower Pace

46:54

18% of race

Average Pace: 9:55 /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 mi08:07:2246:5415:0646:54
15:06
#30180
10K
6.21 mi08:37:061:16:3812:2029:44
9:34
#26499
15K
9.32 mi09:06:461:46:1811:2429:40
9:33
#22535
21K
13.05 mi09:42:302:22:0210:5335:44
9:35
#18848
25K
15.53 mi10:05:092:44:4110:3622:39
9:07
#16904
30K
18.64 mi10:33:323:13:0410:2128:23
9:08
#14598
35K
21.75 mi11:00:233:39:5510:0726:51
8:39
#12480
40K
24.85 mi11:28:094:07:419:5827:46
8:56
#10909
Finish
26.22 mi11:40:254:19:579:5512:16
9:00
#10395
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi3018012374140012226(Top 41%)3568(Top 29%)600(Top 43%)
10K6.21 mi3.10 mi26499+368110254+21201319+8113013(Top 43%)3878(Top 31%)638(Top 46%)
15K9.32 mi3.11 mi22535+39648206+20481164+15512226(Top 41%)3568(Top 29%)600(Top 43%)
21K13.05 mi3.73 mi18848+36876486+1720987+17711096(Top 37%)3153(Top 26%)547(Top 39%)
25K15.53 mi2.48 mi16904+19445623+863888+999360(Top 31%)2586(Top 21%)459(Top 33%)
30K18.64 mi3.11 mi14598+23064710+913761+1276644(Top 22%)1735(Top 14%)332(Top 24%)
35K21.75 mi3.11 mi12480+21183940+770656+1053641(Top 12%)878(Top 7%)182(Top 13%)
40K24.85 mi3.10 mi10909+15713404+536587+693906(Top 13%)1062(Top 9%)218(Top 16%)
Finish26.22 mi1.37 mi10395+5143228+176566+214176(Top 14%)1209(Top 10%)260(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×18story building
+279ft-164ft

Overall

12226

Females

3568

F20-24

3568

5K→10K

3.1 - 6.2 mi

Top 43%
×11story building
+103ft-217ft

Overall

13013

Females

3878

F20-24

3878

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+51ft-55ft

Overall

12226

Females

3568

F20-24

3568

15K→21K

9.3 - 13.1 mi

Top 37%
×1story
+20ft-37ft

Overall

11096

Females

3153

F20-24

3153

21K→25K

13.1 - 15.5 mi

Top 31%
×2story building
+35ft-8ft

Overall

9360

Females

2586

F20-24

2586

25K→30K

15.5 - 18.6 mi

Top 22%
×2story building
+58ft-57ft

Overall

6644

Females

1735

F20-24

1735

30K→35K

18.6 - 21.8 mi

Top 12%
×2story building
+98ft-92ft

Overall

3641

Females

878

F20-24

878

35K→40K

21.8 - 24.9 mi

Top 13%
×2story building
+36ft-53ft

Overall

3906

Females

1062

F20-24

1062

40K→Finish

24.9 - 26.2 mi

Top 14%
×5story building
+80ft-24ft

Overall

4176

Females

1209

F20-24

1209

Passing Analysis

Category:
Athletes Passed
19787*
Passed By
2
Net Change
+19785
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#30180
5K → 10K3681*0+3681#30180#26499
10K → 15K3965*1+3964#26499#22535
15K → 21K3687*0+3687#22535#18848
21K → 25K1944*0+1944#18848#16904
25K → 30K2307*1+2306#16904#14598
30K → 35K2118*0+2118#14598#12480
35K → 40K1571*0+1571#12480#10909
40K → Finish514*0+514#10909#10395
TOTALS19787*2+19785

* 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?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions