Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Tess Sullivan

Chicago, IL

Bib: 21144 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Top 37%
Gender (Female)
#0 / 12338
Top 29%
Masters (Masters Women)
#0 / 5451
Top 19%
Division (F40-44)
#0 / 1527
Top 27%
Race Day Weather
42°/32°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
10:32/mi
32:42
↑ 279↓ 164
10K· 6.21 mi
9:42/mi
1:02:49
↑ 103↓ 217
15K· 9.32 mi
9:31/mi
1:32:23
↑ 51↓ 55
21K· 13.05 mi
9:37/mi
2:08:16
↑ 20↓ 37
25K· 15.53 mi
9:43/mi
2:32:25
↑ 35
30K· 18.64 mi
10:57/mi
3:06:25
↑ 58↓ 57
35K· 21.75 mi
10:11/mi
3:38:03
↑ 98↓ 92
40K· 24.85 mi
10:13/mi
4:09:49
↑ 36↓ 53
Finish· 26.22 mi
10:20/mi
4:23:54
↑ 80↓ 24
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:08:169:50 /mi⚡ faster
2nd Half
2:15:3810:18 /mi+5.7%
Positive split — 5.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
32:4210:323.11 mi32:42
10:32
-
10K
1:02:4910:073.10 mi30:07
9:42
-0:50
15K
1:32:239:553.11 mi29:34
9:31
-0:11
21K
2:08:169:503.73 mi35:53
9:37
+0:06
25K
2:32:259:492.48 mi24:09
9:43
+0:06
30K
3:06:2510:003.11 mi34:00
10:57
+1:14
35K
3:38:0310:023.11 mi31:38
10:11
-0:46
40K
4:09:4910:033.10 mi31:46
10:13
+0:02
Finish(26.22 mi)
4:23:5410:041.37 mi14:05
10:20
+0:07
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:31 /mi

Average Pace

10:04 /mi

Slowest Pace

10:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:17:12

75% of race

Time at Steady Pace

1:06:42

25% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 10:04 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi150504741559120753503398
10K3.10 mi14282+7684408+333522+37137144159488
15K3.11 mi13411+8714078+330476+46120753503398
21K3.73 mi12646+7653773+305441+35113003250385
25K2.48 mi12440+2063719+54428+13122333779424
30K3.11 mi12776-3363928-209454-26145315006558
35K3.11 mi12052+7243754+174435+1998233244365
40K3.10 mi11359+6933580+174409+2685732978330
Finish(26.22 mi)1.37 mi11154+2053542+38403+692673354358

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

12075

Females

3503

F40-44

3503

5K→10K

3.1 - 6.2 mi

Top 46%
×11story building
+103ft-217ft

Overall

13714

Females

4159

F40-44

4159

10K→15K

6.2 - 9.3 mi

Top 40%
×3story building
+51ft-55ft

Overall

12075

Females

3503

F40-44

3503

15K→21K

9.3 - 13.1 mi

Top 38%
×1story
+20ft-37ft

Overall

11300

Females

3250

F40-44

3250

21K→25K

13.1 - 15.5 mi

Top 41%
×2story building
+35ft-8ft

Overall

12233

Females

3779

F40-44

3779

25K→30K

15.5 - 18.6 mi

Top 48%
×2story building
+58ft-57ft

Overall

14531

Females

5006

F40-44

5006

30K→35K

18.6 - 21.8 mi

Top 33%
×2story building
+98ft-92ft

Overall

9823

Females

3244

F40-44

3244

35K→40K

21.8 - 24.9 mi

Top 29%
×2story building
+36ft-53ft

Overall

8573

Females

2978

F40-44

2978

40K→Finish

24.9 - 26.2 mi

Top 31%
×5story building
+80ft-24ft

Overall

9267

Females

3354

F40-44

3354

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#15050
5K → 10K
123891*+768
#15050 → #14282
10K → 15K
34905*+871
#14282 → #13411
15K → 21K
33798*+765
#13411 → #12646
21K → 25K
124330*+206
#12646 → #12440
25K → 30K
560224*-336
#12440 → #12776
30K → 35K
54778*+724
#12776 → #12052
35K → 40K
58751*+693
#12052 → #11359
40K → Finish
37242*+205
#11359 → #11154
TOTALS
10234919*+3896
#15050 → #11154

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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