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MARINE CORPS MARATHON 2025

Haiyong Liu

Ann Arbor, MI

Bib: 577 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 2%
Gender (Male)
#0 / 17709
Top 3%
Masters (Masters Men)
#0 / 8330
Top 2%
Division (M50-54)
#0 / 1638
Top 0.9%
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
7:08/mi
22:10
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
6:45/mi
43:07
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
6:44/mi
1:04:01
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
6:54/mi
1:29:45
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
6:42/mi
1:46:23
↑ 350.2%
30 ft elev
30K· 18.64 mi
6:59/mi
2:08:04
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
7:34/mi
2:31:34
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
7:55/mi
2:56:10
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
8:29/mi
3:07:44
↑ 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
Time1:29:45
Pace6:53 /mi
2nd Half
Distance13.17 mi
Time1:37:59
Pace7:26 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:42:5722:107:0822:10
7:08
-
10K
6.21 mi08:03:5443:076:5620:57
6:45
-0:23
15K
9.32 mi08:24:481:04:016:5220:54
6:44
-0:01
21K
13.05 mi08:50:321:29:456:5325:44
6:54
+0:10
25K
15.53 mi09:07:101:46:236:5116:38
6:42
-0:12
30K
18.64 mi09:28:512:08:046:5221:41
6:59
+0:17
35K
21.75 mi09:52:212:31:346:5823:30
7:34
+0:35
40K
24.85 mi10:16:572:56:107:0524:36
7:55
+0:21
Finish
26.22 mi10:28:313:07:447:1011:34
8:29
+0:34

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

6:42 /mi

Average Pace

7:10 /mi

Slowest Pace

8:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:08:04

68% of race

Time at Slower Pace

59:40

32% of race

Average Pace: 7:10 /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 mi07:42:5722:107:0822:10
7:08
#584
10K
6.21 mi08:03:5443:076:5620:57
6:45
#608
15K
9.32 mi08:24:481:04:016:5220:54
6:44
#603
21K
13.05 mi08:50:321:29:456:5325:44
6:54
#591
25K
15.53 mi09:07:101:46:236:5116:38
6:42
#577
30K
18.64 mi09:28:512:08:046:5221:41
6:59
#546
35K
21.75 mi09:52:212:31:346:5823:30
7:34
#573
40K
24.85 mi10:16:572:56:107:0524:36
7:55
#609
Finish
26.22 mi10:28:313:07:447:1011:34
8:29
#661
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi58453914598(Top 2%)558(Top 3%)10(Top 0.6%)
10K6.21 mi3.10 mi608-24564-2514662(Top 2%)614(Top 3%)15(Top 0.9%)
15K9.32 mi3.11 mi603+5559+514598(Top 2%)558(Top 3%)10(Top 0.6%)
21K13.05 mi3.73 mi591+12553+613+1584(Top 2%)549(Top 3%)10(Top 0.6%)
25K15.53 mi2.48 mi577+14538+1511+2565(Top 2%)531(Top 3%)9(Top 0.6%)
30K18.64 mi3.11 mi546+31510+2810+1561(Top 2%)516(Top 3%)8(Top 0.5%)
35K21.75 mi3.11 mi573-27532-2212-21075(Top 4%)909(Top 5%)37(Top 2%)
40K24.85 mi3.10 mi609-36561-2914-21426(Top 5%)1139(Top 6%)48(Top 3%)
Finish26.22 mi1.37 mi661-52605-4415-12647(Top 9%)1988(Top 11%)97(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×18story building
+279ft-164ft

Overall

598

Males

558

M50-54

558

5K→10K

3.1 - 6.2 mi

Top 2%
×11story building
+103ft-217ft

Overall

662

Males

614

M50-54

614

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+51ft-55ft

Overall

598

Males

558

M50-54

558

15K→21K

9.3 - 13.1 mi

Top 2%
×1story
+20ft-37ft

Overall

584

Males

549

M50-54

549

21K→25K

13.1 - 15.5 mi

Top 2%
×2story building
+35ft-8ft

Overall

565

Males

531

M50-54

531

25K→30K

15.5 - 18.6 mi

Top 2%
×2story building
+58ft-57ft

Overall

561

Males

516

M50-54

516

30K→35K

18.6 - 21.8 mi

Top 4%
×2story building
+98ft-92ft

Overall

1075

Males

909

M50-54

909

35K→40K

21.8 - 24.9 mi

Top 5%
×2story building
+36ft-53ft

Overall

1426

Males

1139

M50-54

1139

40K→Finish

24.9 - 26.2 mi

Top 9%
×5story building
+80ft-24ft

Overall

2647

Males

1988

M50-54

1988

Passing Analysis

Category:
Athletes Passed
156*
Passed By
233
Net Change
-77
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#584
5K → 10K1337-24#584#608
10K → 15K1914+5#608#603
15K → 21K26*14+12#603#591
21K → 25K2612+14#591#577
25K → 30K39*8+31#577#546
30K → 35K1744-27#546#573
35K → 40K1147-36#573#609
40K → Finish5*57-52#609#661
TOTALS156*233-77

* 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