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MARINE CORPS MARATHON 2025

Grace Liao

Burlingame, CA

Bib: 4688 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 27%
Gender (Female)
#0 / 12338
Top 18%
Masters (Masters Women)
#0 / 5451
Top 11%
Division (F45-49)
#0 / 1255
Top 13%
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
9:34/mi
29:43
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
9:03/mi
57:50
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:00/mi
1:25:49
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:18/mi
2:00:30
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:08/mi
2:23:13
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:35/mi
2:52:58
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
9:40/mi
3:23:01
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
9:48/mi
3:53:28
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
9:55/mi
4:07:00
↑ 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
2:00:309:14 /mi⚡ faster
2nd Half
2:06:299:36 /mi+5.0%
Positive split — 5.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
29:439:343.11 mi29:43
9:34
-
10K
57:509:183.10 mi28:07
9:03
-0:31
15K
1:25:499:123.11 mi27:59
9:00
-0:03
21K
2:00:309:143.73 mi34:41
9:18
+0:18
25K
2:23:139:132.48 mi22:43
9:08
-0:10
30K
2:52:589:173.11 mi29:45
9:35
+0:27
35K
3:23:019:203.11 mi30:03
9:40
+0:05
40K
3:53:289:243.10 mi30:27
9:48
+0:08
Finish(26.22 mi)
4:07:009:261.37 mi13:32
9:55
+0:07
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

9:00 /mi

Average Pace

9:26 /mi

Slowest Pace

9:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:53:28

95% of race

Time at Steady Pace

13:32

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:25 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi9027237818691322396178
10K3.10 mi9392-3652478-100188-298392619201
15K3.11 mi9265+1272440+38181+791322396178
21K3.73 mi9312-472465-25184-395812561194
25K2.48 mi9253+592461+4188-494942640209
30K3.11 mi9072+1812443+18189-187182480182
35K3.11 mi8634+4382357+86179+1078332375171
40K3.10 mi8156+4782282+75168+1170222271169
Finish(26.22 mi)1.37 mi8034+1222263+19165+375992613182

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×18story building
+279ft-164ft

Overall

9132

Females

2396

F45-49

2396

5K→10K

3.1 - 6.2 mi

Top 33%
×11story building
+103ft-217ft

Overall

9839

Females

2619

F45-49

2619

10K→15K

6.2 - 9.3 mi

Top 30%
×3story building
+51ft-55ft

Overall

9132

Females

2396

F45-49

2396

15K→21K

9.3 - 13.1 mi

Top 32%
×1story
+20ft-37ft

Overall

9581

Females

2561

F45-49

2561

21K→25K

13.1 - 15.5 mi

Top 32%
×2story building
+35ft-8ft

Overall

9494

Females

2640

F45-49

2640

25K→30K

15.5 - 18.6 mi

Top 29%
×2story building
+58ft-57ft

Overall

8718

Females

2480

F45-49

2480

30K→35K

18.6 - 21.8 mi

Top 26%
×2story building
+98ft-92ft

Overall

7833

Females

2375

F45-49

2375

35K→40K

21.8 - 24.9 mi

Top 23%
×2story building
+36ft-53ft

Overall

7022

Females

2271

F45-49

2271

40K→Finish

24.9 - 26.2 mi

Top 25%
×5story building
+80ft-24ft

Overall

7599

Females

2613

F45-49

2613

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#9027
5K → 10K
525160*-365
#9027 → #9392
10K → 15K
162289*+127
#9392 → #9265
15K → 21K
300253*-47
#9265 → #9312
21K → 25K
201260*+59
#9312 → #9253
25K → 30K
188369*+181
#9253 → #9072
30K → 35K
129567*+438
#9072 → #8634
35K → 40K
77555*+478
#8634 → #8156
40K → Finish
41163*+122
#8156 → #8034
TOTALS
16232616*+993
#9027 → #8034

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

Passing Visualized

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