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MARINE CORPS MARATHON 2025

Zachary Grigg

Gainesville, GA

Bib: 13541 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Male)
#0 / 17709
Masters (Masters Men)
#0 / 8330
Division (M40-44)
#0 / 2340
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
10:07/mi
31:26
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:17/mi
1:00:16
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:20/mi
1:29:17
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
10:24/mi
2:08:03
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
13:04/mi
2:40:31
↑ 350.2%
30 ft elev
30K· 18.64 mi
18:15/mi
3:37:12
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
12:30/mi
4:16:01
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
16:26/mi
5:07:05
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:11/mi
5:20:58
↑ 80↓ 240.8%
74 ft elev
Course Elevation
3–237 ft
≈
×20story building
•▲ 764 ft climb · ▼ 717 ft descent

The Course

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Half Splits

1st Half· via 21KFaster
Distance13.05 mi
Time2:08:03
Pace9:49 /mi
2nd Half
Distance13.17 mi
Time3:12:54
Pace14:39 /mi
📊Positive Split: 50.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:05:3231:2610:0731:26
10:07
-
10K
6.21 mi08:34:221:00:169:4228:50
9:17
-0:50
15K
9.32 mi09:03:231:29:179:3529:01
9:20
+0:03
21K
13.05 mi09:42:092:08:039:4938:46
10:24
+1:04
25K
15.53 mi10:14:372:40:3110:2032:28
13:04
+2:40
30K
18.64 mi11:11:183:37:1211:3956:41
18:15
+5:11
35K
21.75 mi11:50:074:16:0111:4638:49
12:30
-5:45
40K
24.85 mi12:41:115:07:0512:2151:04
16:26
+3:56
Finish
26.22 mi12:55:045:20:5812:1513:53
10:11
-6:15

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

9:17 /mi

Average Pace

12:15 /mi

Slowest Pace

18:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:21:56

44% of race

Time at Slower Pace

2:59:02

56% of race

Average Pace: 12:14 /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 mi08:05:3231:2610:0731:26
10:07
#12390
10K
6.21 mi08:34:221:00:169:4228:50
9:17
#11712
15K
9.32 mi09:03:231:29:179:3529:01
9:20
#11465
21K
13.05 mi09:42:092:08:039:4938:46
10:24
#12540
25K
15.53 mi10:14:372:40:3110:2032:28
13:04
#15295
30K
18.64 mi11:11:183:37:1211:3956:41
18:15
#21112
35K
21.75 mi11:50:074:16:0111:4638:49
12:30
#20637
40K
24.85 mi12:41:115:07:0512:2151:04
16:26
#21866
Finish
26.22 mi12:55:045:20:5812:1513:53
10:11
#21106
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi123908735112611046(Top 37%)7939(Top 45%)1008(Top 43%)
10K6.21 mi3.10 mi11712+6788354+3811079+4711202(Top 37%)8059(Top 46%)1035(Top 44%)
15K9.32 mi3.11 mi11465+2478201+1531052+2711046(Top 37%)7939(Top 45%)1008(Top 43%)
21K13.05 mi3.73 mi12540-10758819-6181150-9815277(Top 51%)10355(Top 58%)1349(Top 58%)
25K15.53 mi2.48 mi15295-275510382-15631359-20924804(Top 83%)15068(Top 85%)1983(Top 85%)
30K18.64 mi3.11 mi21112-581713387-30051757-39829869(Top 99%)17592(Top 99%)2317(Top 99%)
35K21.75 mi3.11 mi20637+47513038+3491723+3418307(Top 61%)11185(Top 63%)1460(Top 63%)
40K24.85 mi3.10 mi21866-122913583-5451794-7126987(Top 90%)15893(Top 90%)2087(Top 90%)
Finish26.22 mi1.37 mi21106+76013154+4291745+498668(Top 29%)5590(Top 32%)709(Top 30%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×18story building
+279ft-164ft

Overall

11046

Males

7939

M40-44

7939

5K→10K

3.1 - 6.2 mi

Top 37%
×11story building
+103ft-217ft

Overall

11202

Males

8059

M40-44

8059

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+51ft-55ft

Overall

11046

Males

7939

M40-44

7939

15K→21K

9.3 - 13.1 mi

Top 51%
×1story
+20ft-37ft

Overall

15277

Males

10355

M40-44

10355

21K→25K

13.1 - 15.5 mi

Top 83%
×2story building
+35ft-8ft

Overall

24804

Males

15068

M40-44

15068

25K→30K

15.5 - 18.6 mi

Top 99%
×2story building
+58ft-57ft

Overall

29869

Males

17592

M40-44

17592

30K→35K

18.6 - 21.8 mi

Top 61%
×2story building
+98ft-92ft

Overall

18307

Males

11185

M40-44

11185

35K→40K

21.8 - 24.9 mi

Top 90%
×2story building
+36ft-53ft

Overall

26987

Males

15893

M40-44

15893

40K→Finish

24.9 - 26.2 mi

Top 29%
×5story building
+80ft-24ft

Overall

8668

Males

5590

M40-44

5590

Passing Analysis

Category:
Athletes Passed
2740*
Passed By
11456
Net Change
-8716
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12390
5K → 10K803*125+678#12390#11712
10K → 15K382*135+247#11712#11465
15K → 21K107*1182-1075#11465#12540
21K → 25K14*2769-2755#12540#15295
25K → 30K26*5843-5817#15295#21112
30K → 35K603*128+475#21112#20637
35K → 40K41*1270-1229#20637#21866
40K → Finish764*4+760#21866#21106
TOTALS2740*11456-8716

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

📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions