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MARINE CORPS MARATHON 2025

Aiden Riefe

Glencoe, IL

Bib: 4044 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 15%
Gender (Male)
#0 / 17709
Top 19%
Division (M20-24)
#0 / 1424
Top 29%
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
9:04/mi
28:10
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:27/mi
54:26
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
8:25/mi
1:20:35
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
8:25/mi
1:51:59
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
8:29/mi
2:13:03
↑ 350.2%
30 ft elev
30K· 18.64 mi
8:37/mi
2:39:49
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
8:40/mi
3:06:44
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
8:59/mi
3:34:39
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:30/mi
3:47:36
↑ 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
1:51:598:35 /mi⚡ faster
2nd Half
1:55:378:47 /mi+3.2%
Positive split — 3.2% 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 mi07:55:1328:109:0428:10
9:04
-
10K
6.21 mi08:21:2954:268:4626:16
8:27
-0:37
15K
9.32 mi08:47:381:20:358:3926:09
8:25
-0:02
21K
13.05 mi09:19:021:51:598:3531:24
8:25
0:00
25K
15.53 mi09:40:062:13:038:3421:04
8:29
+0:04
30K
18.64 mi10:06:522:39:498:3426:46
8:37
+0:08
35K
21.75 mi10:33:473:06:448:3526:55
8:40
+0:03
40K
24.85 mi11:01:423:34:398:3827:55
8:59
+0:19
Finish
26.22 mi11:14:393:47:368:4112:57
9:30
+0:31

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

8:25 /mi

Average Pace

8:41 /mi

Slowest Pace

9:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

3:34:39

94% of race

Time at Steady Pace

12:57

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:41 /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.

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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 mi07:55:1328:109:0428:10
9:04
#5946
10K
6.21 mi08:21:2954:268:4626:16
8:27
#5850
15K
9.32 mi08:47:381:20:358:3926:09
8:25
#5638
21K
13.05 mi09:19:021:51:598:3531:24
8:25
#5215
25K
15.53 mi09:40:062:13:038:3421:04
8:29
#5188
30K
18.64 mi10:06:522:39:498:3426:46
8:37
#4922
35K
21.75 mi10:33:473:06:448:3526:55
8:40
#4563
40K
24.85 mi11:01:423:34:398:3827:55
8:59
#4356
Finish
26.22 mi11:14:393:47:368:4112:57
9:30
#4373
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi5946460154553294183505
10K6.21 mi3.10 mi5850+964554+47531+1458824589516
15K9.32 mi3.11 mi5638+2124399+155514+1753294183505
21K13.05 mi3.73 mi5215+4234100+299482+3244163506435
25K15.53 mi2.48 mi5188+274056+44483-156574334502
30K18.64 mi3.11 mi4922+2663831+225458+2543203338403
35K21.75 mi3.11 mi4563+3593531+300422+3637172824365
40K24.85 mi3.10 mi4356+2073330+201414+840822961361
Finish26.22 mi1.37 mi4373-173328+241459534029504

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

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

Overall

5329

Males

4183

M20-24

4183

5K→10K

3.1 - 6.2 mi

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

Overall

5882

Males

4589

M20-24

4589

10K→15K

6.2 - 9.3 mi

Top 18%
×3story building
+51ft-55ft

Overall

5329

Males

4183

M20-24

4183

15K→21K

9.3 - 13.1 mi

Top 15%
×1story
+20ft-37ft

Overall

4416

Males

3506

M20-24

3506

21K→25K

13.1 - 15.5 mi

Top 19%
×2story building
+35ft-8ft

Overall

5657

Males

4334

M20-24

4334

25K→30K

15.5 - 18.6 mi

Top 14%
×2story building
+58ft-57ft

Overall

4320

Males

3338

M20-24

3338

30K→35K

18.6 - 21.8 mi

Top 12%
×2story building
+98ft-92ft

Overall

3717

Males

2824

M20-24

2824

35K→40K

21.8 - 24.9 mi

Top 14%
×2story building
+36ft-53ft

Overall

4082

Males

2961

M20-24

2961

40K→Finish

24.9 - 26.2 mi

Top 20%
×5story building
+80ft-24ft

Overall

5953

Males

4029

M20-24

4029

Passing Analysis

Category:
Athletes Passed
2215*
Passed By
642
Net Change
+1573
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5946
5K → 10K282*186+96#5946#5850
10K → 15K274*62+212#5850#5638
15K → 21K450*27+423#5638#5215
21K → 25K139112+27#5215#5188
25K → 30K309*43+266#5188#4922
30K → 35K403*44+359#4922#4563
35K → 40K285*78+207#4563#4356
40K → Finish73*90-17#4356#4373
TOTALS2215*642+1573

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

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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Questions or issues regarding timing data?

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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions