Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Teresa Simpson

Olney, MD

Bib: 22016 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Top 47%
Gender (Female)
#0 / 12338
Top 39%
Masters (Masters Women)
#0 / 5451
Top 28%
Division (F50-54)
#0 / 1155
Top 26%
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
10:40/mi
33:07
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:09/mi
1:04:39
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:05/mi
1:35:59
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:24/mi
2:14:45
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
10:14/mi
2:40:11
↑ 350.2%
30 ft elev
30K· 18.64 mi
10:55/mi
3:14:05
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:41/mi
3:47:17
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
12:00/mi
4:24:33
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:56/mi
4:39:28
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Is this your race?

Claim it for a free AI report on this race

A one-of-a-kind AI Race Performance Report that reads your race like a coach. A plain-English story of how you raced, where you surged and faded, and what it all means. Emailed to you, free.

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:14:45
Pace10:20 /mi
2nd Half
Distance13.17 mi
Time2:24:43
Pace10:59 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:18:4633:0710:4033:07
10:40
-
10K
6.21 mi08:50:181:04:3910:2431:32
10:09
-0:31
15K
9.32 mi09:21:381:35:5910:1831:20
10:05
-0:04
21K
13.05 mi10:00:242:14:4510:2038:46
10:24
+0:19
25K
15.53 mi10:25:502:40:1110:1925:26
10:14
-0:10
30K
18.64 mi10:59:443:14:0510:2533:54
10:55
+0:41
35K
21.75 mi11:32:563:47:1710:2733:12
10:41
-0:14
40K
24.85 mi12:10:124:24:3310:3937:16
12:00
+1:19
Finish
26.22 mi12:25:074:39:2810:4014:55
10:56
-1:04

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

10:05 /mi

Average Pace

10:40 /mi

Slowest Pace

12:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:02:12

87% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

37:16

13% of race

Average Pace: 10:40 /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 mi08:18:4633:0710:4033:07
10:40
#15856
10K
6.21 mi08:50:181:04:3910:2431:32
10:09
#16221
15K
9.32 mi09:21:381:35:5910:1831:20
10:05
#15778
21K
13.05 mi10:00:242:14:4510:2038:46
10:24
#15453
25K
15.53 mi10:25:502:40:1110:1925:26
10:14
#15177
30K
18.64 mi10:59:443:14:0510:2533:54
10:55
#14912
35K
21.75 mi11:32:563:47:1710:2733:12
10:41
#14200
40K
24.85 mi12:10:124:24:3310:3937:16
12:00
#14327
Finish
26.22 mi12:25:074:39:2810:4014:55
10:56
#14130
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi15856510732515224(Top 51%)4856(Top 39%)291(Top 26%)
10K6.21 mi3.10 mi16221-3655243-136337-1216702(Top 56%)5438(Top 44%)355(Top 31%)
15K9.32 mi3.11 mi15778+4435054+189317+2015224(Top 51%)4856(Top 39%)291(Top 26%)
21K13.05 mi3.73 mi15453+3254933+121313+415266(Top 51%)4916(Top 40%)303(Top 27%)
25K15.53 mi2.48 mi15177+2764866+67300+1314671(Top 49%)4849(Top 39%)287(Top 25%)
30K18.64 mi3.11 mi14912+2654851+15294+614402(Top 48%)4949(Top 40%)298(Top 26%)
35K21.75 mi3.11 mi14200+7124668+183286+811786(Top 39%)4138(Top 34%)246(Top 22%)
40K24.85 mi3.10 mi14327-1274856-188305-1915099(Top 50%)5903(Top 48%)397(Top 35%)
Finish26.22 mi1.37 mi14130+1974809+47295+1011639(Top 39%)4417(Top 36%)240(Top 21%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×18story building
+279ft-164ft

Overall

15224

Females

4856

F50-54

4856

5K→10K

3.1 - 6.2 mi

Top 56%
×11story building
+103ft-217ft

Overall

16702

Females

5438

F50-54

5438

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+51ft-55ft

Overall

15224

Females

4856

F50-54

4856

15K→21K

9.3 - 13.1 mi

Top 51%
×1story
+20ft-37ft

Overall

15266

Females

4916

F50-54

4916

21K→25K

13.1 - 15.5 mi

Top 49%
×2story building
+35ft-8ft

Overall

14671

Females

4849

F50-54

4849

25K→30K

15.5 - 18.6 mi

Top 48%
×2story building
+58ft-57ft

Overall

14402

Females

4949

F50-54

4949

30K→35K

18.6 - 21.8 mi

Top 39%
×2story building
+98ft-92ft

Overall

11786

Females

4138

F50-54

4138

35K→40K

21.8 - 24.9 mi

Top 50%
×2story building
+36ft-53ft

Overall

15099

Females

5903

F50-54

5903

40K→Finish

24.9 - 26.2 mi

Top 39%
×5story building
+80ft-24ft

Overall

11639

Females

4417

F50-54

4417

Passing Analysis

Category:
Athletes Passed
3636*
Passed By
1910
Net Change
+1726
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15856
5K → 10K281*646-365#15856#16221
10K → 15K570*127+443#16221#15778
15K → 21K546*221+325#15778#15453
21K → 25K422*146+276#15453#15177
25K → 30K485*220+265#15177#14912
30K → 35K790*78+712#14912#14200
35K → 40K298*425-127#14200#14327
40K → Finish244*47+197#14327#14130
TOTALS3636*1910+1726

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

📊

Passing Visuals

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