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MARINE CORPS MARATHON 2025

Katie Jelliffe

Monroe, CT

Bib: 16151 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 33%
Gender (Female)
#0 / 12338
Top 24%
Division (F25-29)
#0 / 2322
Top 34%
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
10:11/mi
31:38
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:36/mi
1:01:26
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:30/mi
1:30:58
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:45/mi
2:07:19
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:24/mi
2:30:41
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:48/mi
3:01:09
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:58/mi
3:32:07
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
10:07/mi
4:03:33
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:58/mi
4:17:08
↑ 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
Time2:07:19
Pace9:45 /mi
2nd Half
Distance13.17 mi
Time2:09:49
Pace9:51 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:08:3731:3810:1131:38
10:11
-
10K
6.21 mi08:38:251:01:269:5329:48
9:36
-0:35
15K
9.32 mi09:07:571:30:589:4629:32
9:30
-0:06
21K
13.05 mi09:44:182:07:199:4536:21
9:45
+0:15
25K
15.53 mi10:07:402:30:419:4223:22
9:24
-0:21
30K
18.64 mi10:38:083:01:099:4330:28
9:48
+0:24
35K
21.75 mi11:09:063:32:079:4530:58
9:58
+0:10
40K
24.85 mi11:40:324:03:339:4831:26
10:07
+0:09
Finish
26.22 mi11:54:074:17:089:4913:35
9:58
-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

9:24 /mi

Average Pace

9:49 /mi

Slowest Pace

10:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:31

58% of race

Time at Steady Pace

1:47:37

42% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:48 /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 mi08:08:3731:3810:1131:38
10:11
#12764
10K
6.21 mi08:38:251:01:269:5329:48
9:36
#12903
15K
9.32 mi09:07:571:30:589:4629:32
9:30
#12523
21K
13.05 mi09:44:182:07:199:4536:21
9:45
#12247
25K
15.53 mi10:07:402:30:419:4223:22
9:24
#11842
30K
18.64 mi10:38:083:01:099:4330:28
9:48
#11276
35K
21.75 mi11:09:063:32:079:4530:58
9:58
#10647
40K
24.85 mi11:40:324:03:339:4831:26
10:07
#10025
Finish
26.22 mi11:54:074:17:089:4913:35
9:58
#9814
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF25-29Seg. OverallSeg. FemalesSeg. F25-29
5K3.11 mi3.11 mi127643803939119973476888
10K6.21 mi3.10 mi12903-1393833-30937+2131263924957
15K9.32 mi3.11 mi12523+3803683+150914+23119973476888
21K13.05 mi3.73 mi12247+2763598+85909+5119583516903
25K15.53 mi2.48 mi11842+4053464+134885+24106573111820
30K18.64 mi3.11 mi11276+5663295+169849+3696802897754
35K21.75 mi3.11 mi10647+6293164+131821+2889942870754
40K24.85 mi3.10 mi10025+6223036+128786+3581452786713
Finish26.22 mi1.37 mi9814+2112976+60778+877622690718

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×18story building
+279ft-164ft

Overall

11997

Females

3476

F25-29

3476

5K→10K

3.1 - 6.2 mi

Top 44%
×11story building
+103ft-217ft

Overall

13126

Females

3924

F25-29

3924

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+51ft-55ft

Overall

11997

Females

3476

F25-29

3476

15K→21K

9.3 - 13.1 mi

Top 40%
×1story
+20ft-37ft

Overall

11958

Females

3516

F25-29

3516

21K→25K

13.1 - 15.5 mi

Top 35%
×2story building
+35ft-8ft

Overall

10657

Females

3111

F25-29

3111

25K→30K

15.5 - 18.6 mi

Top 32%
×2story building
+58ft-57ft

Overall

9680

Females

2897

F25-29

2897

30K→35K

18.6 - 21.8 mi

Top 30%
×2story building
+98ft-92ft

Overall

8994

Females

2870

F25-29

2870

35K→40K

21.8 - 24.9 mi

Top 27%
×2story building
+36ft-53ft

Overall

8145

Females

2786

F25-29

2786

40K→Finish

24.9 - 26.2 mi

Top 26%
×5story building
+80ft-24ft

Overall

7762

Females

2690

F25-29

2690

Passing Analysis

Category:
Athletes Passed
3928*
Passed By
978
Net Change
+2950
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12764
5K → 10K301*440-139#12764#12903
10K → 15K482*102+380#12903#12523
15K → 21K438*162+276#12523#12247
21K → 25K462*57+405#12247#11842
25K → 30K626*60+566#11842#11276
30K → 35K697*68+629#11276#10647
35K → 40K679*57+622#10647#10025
40K → Finish243*32+211#10025#9814
TOTALS3928*978+2950

* 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