Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Nick Shircliff

Gordonsville, VA

Bib: 21124 M

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 30047
Top 19%
Gender (Male)
#0 / 17709
Top 24%
Division (M35-39)
#0 / 2420
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
9:18/mi
28:54
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:47/mi
56:12
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:42/mi
1:23:14
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:46/mi
1:55:56
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:04/mi
2:18:29
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:56/mi
2:46:15
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:03/mi
3:14:21
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:01/mi
3:42:22
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:01/mi
3:54:40
↑ 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
Time1:55:56
Pace8:53 /mi
2nd Half
Distance13.17 mi
Time1:58:43
Pace9:01 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:59:5628:549:1828:54
9:18
-
10K
6.21 mi08:27:1456:129:0327:18
8:47
-0:31
15K
9.32 mi08:54:161:23:148:5627:02
8:42
-0:05
21K
13.05 mi09:26:581:55:568:5332:42
8:46
+0:04
25K
15.53 mi09:49:312:18:298:5522:33
9:04
+0:18
30K
18.64 mi10:17:172:46:158:5527:46
8:56
-0:08
35K
21.75 mi10:45:233:14:218:5628:06
9:03
+0:07
40K
24.85 mi11:13:243:42:228:5728:01
9:01
-0:02
Finish
26.22 mi11:25:423:54:408:5712:18
9:01
0:00

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

8:42 /mi

Average Pace

8:57 /mi

Slowest Pace

9:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:25:46

88% of race

Time at Steady Pace

28:54

12% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:57 /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 mi07:59:5628:549:1828:54
9:18
#7371
10K
6.21 mi08:27:1456:129:0327:18
8:47
#7648
15K
9.32 mi08:54:161:23:148:5627:02
8:42
#7380
21K
13.05 mi09:26:581:55:568:5332:42
8:46
#6957
25K
15.53 mi09:49:312:18:298:5522:33
9:04
#7274
30K
18.64 mi10:17:172:46:158:5527:46
8:56
#6780
35K
21.75 mi10:45:233:14:218:5628:06
9:03
#6337
40K
24.85 mi11:13:243:42:228:5728:01
9:01
#5813
Finish
26.22 mi11:25:423:54:408:5712:18
9:01
#5624
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM35-39Seg. OverallSeg. MalesSeg. M35-39
5K3.11 mi3.11 mi737155668197091(Top 24%)5366(Top 30%)787(Top 33%)
10K6.21 mi3.10 mi7648-2775768-202855-367978(Top 27%)5993(Top 34%)884(Top 37%)
15K9.32 mi3.11 mi7380+2685574+194823+327091(Top 24%)5366(Top 30%)787(Top 33%)
21K13.05 mi3.73 mi6957+4235296+278771+526219(Top 21%)4779(Top 27%)714(Top 30%)
25K15.53 mi2.48 mi7274-3175494-198808-379193(Top 31%)6682(Top 38%)967(Top 40%)
30K18.64 mi3.11 mi6780+4945130+364759+495699(Top 19%)4279(Top 24%)630(Top 26%)
35K21.75 mi3.11 mi6337+4434753+377705+545227(Top 17%)3836(Top 22%)577(Top 24%)
40K24.85 mi3.10 mi5813+5244328+425646+594193(Top 14%)3029(Top 17%)450(Top 19%)
Finish26.22 mi1.37 mi5624+1894186+142621+254284(Top 14%)3037(Top 17%)455(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×18story building
+279ft-164ft

Overall

7091

Males

5366

M35-39

5366

5K→10K

3.1 - 6.2 mi

Top 27%
×11story building
+103ft-217ft

Overall

7978

Males

5993

M35-39

5993

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+51ft-55ft

Overall

7091

Males

5366

M35-39

5366

15K→21K

9.3 - 13.1 mi

Top 21%
×1story
+20ft-37ft

Overall

6219

Males

4779

M35-39

4779

21K→25K

13.1 - 15.5 mi

Top 31%
×2story building
+35ft-8ft

Overall

9193

Males

6682

M35-39

6682

25K→30K

15.5 - 18.6 mi

Top 19%
×2story building
+58ft-57ft

Overall

5699

Males

4279

M35-39

4279

30K→35K

18.6 - 21.8 mi

Top 17%
×2story building
+98ft-92ft

Overall

5227

Males

3836

M35-39

3836

35K→40K

21.8 - 24.9 mi

Top 14%
×2story building
+36ft-53ft

Overall

4193

Males

3029

M35-39

3029

40K→Finish

24.9 - 26.2 mi

Top 14%
×5story building
+80ft-24ft

Overall

4284

Males

3037

M35-39

3037

Passing Analysis

Category:
Athletes Passed
2960*
Passed By
1213
Net Change
+1747
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7371
5K → 10K183*460-277#7371#7648
10K → 15K346*78+268#7648#7380
15K → 21K497*74+423#7380#6957
21K → 25K101418-317#6957#7274
25K → 30K544*50+494#7274#6780
30K → 35K517*74+443#6780#6337
35K → 40K556*32+524#6337#5813
40K → Finish216*27+189#5813#5624
TOTALS2960*1213+1747

* 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