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MARINE CORPS MARATHON 2025

Fiona Burns

Colorado, CO

Bib: 31344 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 29%
Gender (Female)
#0 / 12338
Top 20%
Division (F20-24)
#0 / 1404
Top 32%
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
10:20/mi
32:05
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:22/mi
1:01:10
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:12/mi
1:29:46
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:22/mi
2:04:42
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:23/mi
2:28:01
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:55/mi
2:55:44
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:16/mi
3:24:30
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:31/mi
3:57:11
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:05/mi
4:10:56
↑ 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
Time2:04:42
Pace9:33 /mi
2nd Half
Distance13.17 mi
Time2:06:13
Pace9:35 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:05:3232:0510:2032:05
10:20
-
10K
6.21 mi08:34:371:01:109:5129:05
9:22
-0:58
15K
9.32 mi09:03:131:29:469:3828:36
9:12
-0:10
21K
13.05 mi09:38:092:04:429:3334:56
9:22
+0:10
25K
15.53 mi10:01:282:28:019:3223:19
9:23
+0:01
30K
18.64 mi10:29:112:55:449:2627:43
8:55
-0:28
35K
21.75 mi10:57:573:24:309:2428:46
9:16
+0:21
40K
24.85 mi11:30:383:57:119:3332:41
10:31
+1:15
Finish
26.22 mi11:44:234:10:569:3513:45
10:05
-0:26

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

8:55 /mi

Average Pace

9:35 /mi

Slowest Pace

10:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:25

69% of race

Time at Steady Pace

1:18:31

31% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:34 /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 mi08:05:3232:0510:2032:05
10:20
#13700
10K
6.21 mi08:34:371:01:109:5129:05
9:22
#12661
15K
9.32 mi09:03:131:29:469:3828:36
9:12
#11783
21K
13.05 mi09:38:092:04:429:3334:56
9:22
#11114
25K
15.53 mi10:01:282:28:019:3223:19
9:23
#10896
30K
18.64 mi10:29:112:55:449:2627:43
8:55
#9825
35K
21.75 mi10:57:573:24:309:2428:46
9:16
#8956
40K
24.85 mi11:30:383:57:119:3332:41
10:31
#8826
Finish
26.22 mi11:44:234:10:569:3513:45
10:05
#8676
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi3.11 mi137004197687103512832500
10K6.21 mi3.10 mi12661+10393742+455630+57117823370567
15K9.32 mi3.11 mi11783+8783395+347573+57103512832500
21K13.05 mi3.73 mi11114+6693122+273531+4299552714487
25K15.53 mi2.48 mi10896+2183069+53533-2105813071541
30K18.64 mi3.11 mi9825+10712715+354486+4755961388266
35K21.75 mi3.11 mi8956+8692476+239441+4561821720332
40K24.85 mi3.10 mi8826+1302534-58453-1297153464613
Finish26.22 mi1.37 mi8676+1502526+8450+382972919566

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×18story building
+279ft-164ft

Overall

10351

Females

2832

F20-24

2832

5K→10K

3.1 - 6.2 mi

Top 39%
×11story building
+103ft-217ft

Overall

11782

Females

3370

F20-24

3370

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+51ft-55ft

Overall

10351

Females

2832

F20-24

2832

15K→21K

9.3 - 13.1 mi

Top 33%
×1story
+20ft-37ft

Overall

9955

Females

2714

F20-24

2714

21K→25K

13.1 - 15.5 mi

Top 35%
×2story building
+35ft-8ft

Overall

10581

Females

3071

F20-24

3071

25K→30K

15.5 - 18.6 mi

Top 19%
×2story building
+58ft-57ft

Overall

5596

Females

1388

F20-24

1388

30K→35K

18.6 - 21.8 mi

Top 21%
×2story building
+98ft-92ft

Overall

6182

Females

1720

F20-24

1720

35K→40K

21.8 - 24.9 mi

Top 32%
×2story building
+36ft-53ft

Overall

9715

Females

3464

F20-24

3464

40K→Finish

24.9 - 26.2 mi

Top 28%
×5story building
+80ft-24ft

Overall

8297

Females

2919

F20-24

2919

Passing Analysis

Category:
Athletes Passed
5607*
Passed By
583
Net Change
+5024
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13700
5K → 10K1132*93+1039#13700#12661
10K → 15K904*26+878#12661#11783
15K → 21K712*43+669#11783#11114
21K → 25K342*124+218#11114#10896
25K → 30K1075*4+1071#10896#9825
30K → 35K887*18+869#9825#8956
35K → 40K357*227+130#8956#8826
40K → Finish198*48+150#8826#8676
TOTALS5607*583+5024

* 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