Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Jen Thai

Philadelphia, PA

Bib: 24488 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Division (F40-44)
#0 / 1527
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
12:21/mi
38:22
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
12:09/mi
1:16:07
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
12:21/mi
1:54:30
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
13:24/mi
2:44:28
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
14:05/mi
3:19:27
↑ 350.2%
30 ft elev
30K· 18.64 mi
15:59/mi
4:09:08
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
16:01/mi
4:58:55
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
16:34/mi
5:50:24
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
15:44/mi
6:11:51
↑ 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

A coach's-eye read of your race — emailed to you, free.

Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:44:28
Pace12:36 /mi
2nd Half
Distance13.17 mi
Time3:27:23
Pace15:45 /mi
📊Positive Split: 26.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:33:2938:2212:2138:22
12:21
-
10K
6.21 mi09:11:141:16:0712:1537:45
12:09
-0:12
15K
9.32 mi09:49:371:54:3012:1738:23
12:21
+0:12
21K
13.05 mi10:39:352:44:2812:3649:58
13:24
+1:03
25K
15.53 mi11:14:343:19:2712:5034:59
14:05
+0:41
30K
18.64 mi12:04:154:09:0813:2249:41
15:59
+1:54
35K
21.75 mi12:54:024:58:5513:4549:47
16:01
+0:02
40K
24.85 mi13:45:315:50:2414:0651:29
16:34
+0:33
Finish
26.22 mi14:06:586:11:5114:1221:27
15:44
-0:50

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

12:09 /mi

Average Pace

14:12 /mi

Slowest Pace

16:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:30

31% of race

Time at Steady Pace

1:24:57

23% of race

Time at Slower Pace

2:52:24

46% of race

Average Pace: 14:11 /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 mi08:33:2938:2212:2138:22
12:21
#25465
10K
6.21 mi09:11:141:16:0712:1537:45
12:09
#26251
15K
9.32 mi09:49:371:54:3012:1738:23
12:21
#26172
21K
13.05 mi10:39:352:44:2812:3649:58
13:24
#26281
25K
15.53 mi11:14:343:19:2712:5034:59
14:05
#26572
30K
18.64 mi12:04:154:09:0813:2249:41
15:59
#27150
35K
21.75 mi12:54:024:58:5513:4549:47
16:01
#27379
40K
24.85 mi13:45:315:50:2414:0651:29
16:34
#27468
Finish
26.22 mi14:06:586:11:5114:1221:27
15:44
#27378
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi254659698113926041(Top 87%)10011(Top 81%)1191(Top 79%)
10K6.21 mi3.10 mi26251-78610106-4081198-5926866(Top 89%)10474(Top 85%)1248(Top 83%)
15K9.32 mi3.11 mi26172+7910064+421185+1326041(Top 87%)10011(Top 81%)1191(Top 79%)
21K13.05 mi3.73 mi26281-10910149-851196-1126451(Top 88%)10355(Top 84%)1243(Top 82%)
25K15.53 mi2.48 mi26572-29110368-2191227-3127110(Top 90%)10934(Top 89%)1327(Top 88%)
30K18.64 mi3.11 mi27150-57810769-4011289-6228462(Top 95%)11651(Top 94%)1424(Top 94%)
35K21.75 mi3.11 mi27379-22910936-1671317-2827588(Top 92%)11345(Top 92%)1370(Top 91%)
40K24.85 mi3.10 mi27468-8911033-971333-1627166(Top 90%)11166(Top 91%)1345(Top 89%)
Finish26.22 mi1.37 mi27378+9011002+311330+325864(Top 86%)10554(Top 86%)1277(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×18story building
+279ft-164ft

Overall

26041

Females

10011

F40-44

10011

5K→10K

3.1 - 6.2 mi

Top 89%
×11story building
+103ft-217ft

Overall

26866

Females

10474

F40-44

10474

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+51ft-55ft

Overall

26041

Females

10011

F40-44

10011

15K→21K

9.3 - 13.1 mi

Top 88%
×1story
+20ft-37ft

Overall

26451

Females

10355

F40-44

10355

21K→25K

13.1 - 15.5 mi

Top 90%
×2story building
+35ft-8ft

Overall

27110

Females

10934

F40-44

10934

25K→30K

15.5 - 18.6 mi

Top 95%
×2story building
+58ft-57ft

Overall

28462

Females

11651

F40-44

11651

30K→35K

18.6 - 21.8 mi

Top 92%
×2story building
+98ft-92ft

Overall

27588

Females

11345

F40-44

11345

35K→40K

21.8 - 24.9 mi

Top 90%
×2story building
+36ft-53ft

Overall

27166

Females

11166

F40-44

11166

40K→Finish

24.9 - 26.2 mi

Top 86%
×5story building
+80ft-24ft

Overall

25864

Females

10554

F40-44

10554

Passing Analysis

Category:
Athletes Passed
1557*
Passed By
3470
Net Change
-1913
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25465
5K → 10K123*909-786#25465#26251
10K → 15K352*273+79#26251#26172
15K → 21K360*469-109#26172#26281
21K → 25K181*472-291#26281#26572
25K → 30K120*698-578#26572#27150
30K → 35K141*370-229#27150#27379
35K → 40K160*249-89#27379#27468
40K → Finish120*30+90#27468#27378
TOTALS1557*3470-1913

* 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