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MARINE CORPS MARATHON 2025

Julia Dempsey

Denver, CO

Bib: 5019 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 4%
Gender (Female)
#0 / 12338
Top 2%
Division (F25-29)
#0 / 2322
Top 3%
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
8:30/mi
26:24
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
7:38/mi
50:08
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
7:29/mi
1:13:23
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
7:32/mi
1:41:30
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
7:13/mi
1:59:25
↑ 350.2%
30 ft elev
30K· 18.64 mi
7:22/mi
2:22:19
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
7:30/mi
2:45:36
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
7:37/mi
3:09:17
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
7:37/mi
3:19:41
↑ 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
Time1:41:30
Pace7:47 /mi
2nd Half✓ Faster
Distance13.17 mi
Time1:38:11
Pace7:27 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:56:0026:248:3026:24
8:30
-
10K
6.21 mi08:19:4450:088:0423:44
7:38
-0:52
15K
9.32 mi08:42:591:13:237:5223:15
7:29
-0:09
21K
13.05 mi09:11:061:41:307:4728:07
7:32
+0:03
25K
15.53 mi09:29:011:59:257:4117:55
7:13
-0:19
30K
18.64 mi09:51:552:22:197:3822:54
7:22
+0:09
35K
21.75 mi10:15:122:45:367:3723:17
7:30
+0:08
40K
24.85 mi10:38:533:09:177:3723:41
7:37
+0:07
Finish
26.22 mi10:49:173:19:417:3710:24
7:37
0:00

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

7:13 /mi

Average Pace

7:37 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:17

87% of race

Time at Steady Pace

26:24

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi07:56:0026:248:3026:24
8:30
#3250
10K
6.21 mi08:19:4450:088:0423:44
7:38
#2753
15K
9.32 mi08:42:591:13:237:5223:15
7:29
#2387
21K
13.05 mi09:11:061:41:307:4728:07
7:32
#2118
25K
15.53 mi09:29:011:59:257:4117:55
7:13
#1919
30K
18.64 mi09:51:552:22:197:3822:54
7:22
#1707
35K
21.75 mi10:15:122:45:367:3723:17
7:30
#1533
40K
24.85 mi10:38:533:09:177:3723:41
7:37
#1397
Finish
26.22 mi10:49:173:19:417:3710:24
7:37
#1334
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi32506151641852(Top 6%)289(Top 2%)84(Top 4%)
10K6.21 mi3.10 mi2753+497495+120139+252395(Top 8%)423(Top 3%)124(Top 5%)
15K9.32 mi3.11 mi2387+366430+65124+151852(Top 6%)289(Top 2%)84(Top 4%)
21K13.05 mi3.73 mi2118+269366+64106+181523(Top 5%)208(Top 2%)60(Top 3%)
25K15.53 mi2.48 mi1919+199318+4895+111262(Top 4%)169(Top 1%)50(Top 2%)
30K18.64 mi3.11 mi1707+212273+4581+141050(Top 3%)146(Top 1%)36(Top 2%)
35K21.75 mi3.11 mi1533+174241+3269+12964(Top 3%)137(Top 1%)41(Top 2%)
40K24.85 mi3.10 mi1397+136230+1166+3966(Top 3%)160(Top 1%)42(Top 2%)
Finish26.22 mi1.37 mi1334+63221+964+2922(Top 3%)166(Top 1%)51(Top 2%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×18story building
+279ft-164ft

Overall

1852

Females

289

F25-29

289

5K→10K

3.1 - 6.2 mi

Top 8%
×11story building
+103ft-217ft

Overall

2395

Females

423

F25-29

423

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+51ft-55ft

Overall

1852

Females

289

F25-29

289

15K→21K

9.3 - 13.1 mi

Top 5%
×1story
+20ft-37ft

Overall

1523

Females

208

F25-29

208

21K→25K

13.1 - 15.5 mi

Top 4%
×2story building
+35ft-8ft

Overall

1262

Females

169

F25-29

169

25K→30K

15.5 - 18.6 mi

Top 3%
×2story building
+58ft-57ft

Overall

1050

Females

146

F25-29

146

30K→35K

18.6 - 21.8 mi

Top 3%
×2story building
+98ft-92ft

Overall

964

Females

137

F25-29

137

35K→40K

21.8 - 24.9 mi

Top 3%
×2story building
+36ft-53ft

Overall

966

Females

160

F25-29

160

40K→Finish

24.9 - 26.2 mi

Top 3%
×5story building
+80ft-24ft

Overall

922

Females

166

F25-29

166

Passing Analysis

Category:
Athletes Passed
1975*
Passed By
59
Net Change
+1916
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3250
5K → 10K530*33+497#3250#2753
10K → 15K368*2+366#2753#2387
15K → 21K273*4+269#2387#2118
21K → 25K1990+199#2118#1919
25K → 30K213*1+212#1919#1707
30K → 35K1795+174#1707#1533
35K → 40K146*10+136#1533#1397
40K → Finish67*4+63#1397#1334
TOTALS1975*59+1916

* 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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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions