Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Xinglong Gu

Potomac, MD

Bib: 1258 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Top 22%
Gender (Male)
#0 / 17709
Top 27%
Masters (Masters Men)
#0 / 8330
Top 19%
Division (M45-49)
#0 / 1775
Top 21%
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
10:04/mi
31:18
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:08/mi
59:42
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:00/mi
1:27:40
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:54/mi
2:00:51
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:35/mi
2:22:11
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:55/mi
2:49:53
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:00/mi
3:17:51
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:58/mi
3:45:41
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:22/mi
3:58:27
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

Half Splits

1st Half· via 21K
2:00:519:16 /mi+2.7%
2nd Half
1:57:368:56 /mi✓ faster
Negative split — 2.7% faster in the second half
Is this your race?

Claim it for a free AI report

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

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:02:0631:1810:0431:18
10:04
-
10K
6.21 mi08:30:3059:429:3628:24
9:08
-0:56
15K
9.32 mi08:58:281:27:409:2427:58
9:00
-0:08
21K
13.05 mi09:31:392:00:519:1633:11
8:54
-0:06
25K
15.53 mi09:52:592:22:119:0921:20
8:35
-0:19
30K
18.64 mi10:20:412:49:539:0727:42
8:55
+0:20
35K
21.75 mi10:48:393:17:519:0627:58
9:00
+0:05
40K
24.85 mi11:16:293:45:419:0527:50
8:58
-0:02
Finish
26.22 mi11:29:153:58:279:0612:46
9:22
+0:24

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

8:35 /mi

Average Pace

9:06 /mi

Slowest Pace

10:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:27:09

87% of race

Time at Steady Pace

31:18

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:06 /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 mi08:02:0631:1810:0431:18
10:04
#12104
10K
6.21 mi08:30:3059:429:3628:24
9:08
#11169
15K
9.32 mi08:58:281:27:409:2427:58
9:00
#10453
21K
13.05 mi09:31:392:00:519:1633:11
8:54
#9477
25K
15.53 mi09:52:592:22:119:0921:20
8:35
#8859
30K
18.64 mi10:20:412:49:539:0727:42
8:55
#8038
35K
21.75 mi10:48:393:17:519:0627:58
9:00
#7277
40K
24.85 mi11:16:293:45:419:0527:50
8:58
#6562
Finish
26.22 mi11:29:153:58:279:0612:46
9:22
#6473
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi12104857474191086717545
10K6.21 mi3.10 mi11169+9358022+552684+57103827571634
15K9.32 mi3.11 mi10453+7167580+442634+5091086717545
21K13.05 mi3.73 mi9477+9766959+621571+6370385348421
25K15.53 mi2.48 mi8859+6186542+417546+2562094716369
30K18.64 mi3.11 mi8038+8215959+583486+6055534176333
35K21.75 mi3.11 mi7277+7615391+568443+4350293707300
40K24.85 mi3.10 mi6562+7154834+557386+5739862896241
Finish26.22 mi1.37 mi6473+894743+91378+854253712290

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×18story building
+279ft-164ft

Overall

9108

Males

6717

M45-49

6717

5K→10K

3.1 - 6.2 mi

Top 35%
×11story building
+103ft-217ft

Overall

10382

Males

7571

M45-49

7571

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+51ft-55ft

Overall

9108

Males

6717

M45-49

6717

15K→21K

9.3 - 13.1 mi

Top 23%
×1story
+20ft-37ft

Overall

7038

Males

5348

M45-49

5348

21K→25K

13.1 - 15.5 mi

Top 21%
×2story building
+35ft-8ft

Overall

6209

Males

4716

M45-49

4716

25K→30K

15.5 - 18.6 mi

Top 18%
×2story building
+58ft-57ft

Overall

5553

Males

4176

M45-49

4176

30K→35K

18.6 - 21.8 mi

Top 17%
×2story building
+98ft-92ft

Overall

5029

Males

3707

M45-49

3707

35K→40K

21.8 - 24.9 mi

Top 13%
×2story building
+36ft-53ft

Overall

3986

Males

2896

M45-49

2896

40K→Finish

24.9 - 26.2 mi

Top 18%
×5story building
+80ft-24ft

Overall

5425

Males

3712

M45-49

3712

Passing Analysis

Category:
Athletes Passed
5891*
Passed By
260
Net Change
+5631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12104
5K → 10K1013*78+935#12104#11169
10K → 15K752*36+716#11169#10453
15K → 21K989*13+976#10453#9477
21K → 25K627*9+618#9477#8859
25K → 30K838*17+821#8859#8038
30K → 35K790*29+761#8038#7277
35K → 40K728*13+715#7277#6562
40K → Finish154*65+89#6562#6473
TOTALS5891*260+5631

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

Passing Charts

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