Marine Corps Marathon logo
MARINE CORPS MARATHON 2025

Bradley Stelflug

Danville, IN

Bib: 9818 M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 30047
Top 25%
Gender (Male)
#0 / 17709
Top 31%
Masters (Masters Men)
#0 / 8330
Top 22%
Division (M55-59)
#0 / 1294
Top 17%
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
10:02/mi
31:11
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:29/mi
57:31
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:54/mi
1:25:09
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:44/mi
1:57:42
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:47/mi
2:19:33
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:40/mi
2:49:34
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:55/mi
3:20:22
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:29/mi
3:49:51
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:31/mi
4:04:12
↑ 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
1:57:429:01 /mi⚡ faster
2nd Half
2:06:299:36 /mi+7.5%
Positive split — 7.5% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:49:5231:1110:0231:11
10:02
-
10K
6.21 mi08:16:1257:319:1526:20
8:29
-1:33
15K
9.32 mi08:43:501:25:099:0827:38
8:54
+0:25
21K
13.05 mi09:16:231:57:429:0132:33
8:44
-0:10
25K
15.53 mi09:38:142:19:338:5921:51
8:47
+0:03
30K
18.64 mi10:08:152:49:349:0630:01
9:40
+0:53
35K
21.75 mi10:39:033:20:229:1330:48
9:55
+0:15
40K
24.85 mi11:08:323:49:519:1529:29
9:29
-0:26
Finish
26.22 mi11:22:534:04:129:1914:21
10:31
+1:02

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

8:29 /mi

Average Pace

9:19 /mi

Slowest Pace

10:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

1:48:22

44% of race

Time at Steady Pace

59:30

24% of race

Time at Slower Pace

1:16:20

31% of race

Average Pace: 9:19 /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 mi07:49:5231:1110:0231:11
10:02
#11850
10K
6.21 mi08:16:1257:319:1526:20
8:29
#9057
15K
9.32 mi08:43:501:25:099:0827:38
8:54
#8819
21K
13.05 mi09:16:231:57:429:0132:33
8:44
#7876
25K
15.53 mi09:38:142:19:338:5921:51
8:47
#7744
30K
18.64 mi10:08:152:49:349:0630:01
9:40
#7910
35K
21.75 mi10:39:033:20:229:1330:48
9:55
#7989
40K
24.85 mi11:08:323:49:519:1529:29
9:29
#7497
Finish
26.22 mi11:22:534:04:129:1914:21
10:31
#7576
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi11850841939584136261252
10K6.21 mi3.10 mi9057+27936692+1727273+12259914671176
15K9.32 mi3.11 mi8819+2386534+158264+984136261252
21K13.05 mi3.73 mi7876+9435905+629234+3059664605158
25K15.53 mi2.48 mi7744+1325810+95231+375675635224
30K18.64 mi3.11 mi7910-1665874-64232-191156459272
35K21.75 mi3.11 mi7989-795860+14235-387895999261
40K24.85 mi3.10 mi7497+4925460+400218+1759094092154
Finish26.22 mi1.37 mi7576-795473-13218100676350294

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 28%
×18story building
+279ft-164ft

Overall

8413

Males

6261

M55-59

6261

5K→10K

3.1 - 6.2 mi

Top 20%
×11story building
+103ft-217ft

Overall

5991

Males

4671

M55-59

4671

10K→15K

6.2 - 9.3 mi

Top 28%
×3story building
+51ft-55ft

Overall

8413

Males

6261

M55-59

6261

15K→21K

9.3 - 13.1 mi

Top 20%
×1story
+20ft-37ft

Overall

5966

Males

4605

M55-59

4605

21K→25K

13.1 - 15.5 mi

Top 25%
×2story building
+35ft-8ft

Overall

7567

Males

5635

M55-59

5635

25K→30K

15.5 - 18.6 mi

Top 30%
×2story building
+58ft-57ft

Overall

9115

Males

6459

M55-59

6459

30K→35K

18.6 - 21.8 mi

Top 29%
×2story building
+98ft-92ft

Overall

8789

Males

5999

M55-59

5999

35K→40K

21.8 - 24.9 mi

Top 20%
×2story building
+36ft-53ft

Overall

5909

Males

4092

M55-59

4092

40K→Finish

24.9 - 26.2 mi

Top 34%
×5story building
+80ft-24ft

Overall

10067

Males

6350

M55-59

6350

Passing Analysis

Category:
Athletes Passed
5566*
Passed By
1292
Net Change
+4274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11850
5K → 10K2796*3+2793#11850#9057
10K → 15K355*117+238#9057#8819
15K → 21K952*9+943#8819#7876
21K → 25K250*118+132#7876#7744
25K → 30K244*410-166#7744#7910
30K → 35K329*408-79#7910#7989
35K → 40K561*69+492#7989#7497
40K → Finish79*158-79#7497#7576
TOTALS5566*1292+4274

* 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