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MARINE CORPS MARATHON 2025

Heather Song

Jacksonville, NC

Bib: 28748 F

0:00
0:00
/ mi
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Division (F30-34)
#0 / 1621
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
11:22/mi
35:18
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:42/mi
1:08:33
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
10:56/mi
1:42:30
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
13:11/mi
2:31:39
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
11:04/mi
2:59:10
↑ 350.2%
30 ft elev
30K· 18.64 mi
15:58/mi
3:48:47
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
14:06/mi
4:32:35
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
15:57/mi
5:22:09
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
15:41/mi
5:43:33
↑ 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
2:31:3911:37 /mi⚡ faster
2nd Half
3:11:5314:34 /mi+26.5%
Positive split — 26.5% 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
35:1811:223.11 mi35:18
11:22
-
10K
1:08:3311:023.10 mi33:15
10:42
-0:40
15K
1:42:3011:003.11 mi33:57
10:56
+0:14
21K
2:31:3911:373.73 mi49:09
13:11
+2:15
25K
2:59:1011:322.48 mi27:31
11:04
-2:07
30K
3:48:4712:163.11 mi49:37
15:58
+4:54
35K
4:32:3512:323.11 mi43:48
14:06
-1:52
40K
5:22:0912:583.10 mi49:34
15:57
+1:51
Finish(26.22 mi)
5:43:3313:071.37 mi21:24
15:41
-0:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:42 /mi

Average Pace

13:07 /mi

Slowest Pace

15:58 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:10:01

38% of race

Time at Steady Pace

1:32:57

27% of race

Time at Slower Pace

2:00:35

35% of race

Average Pace: 13:06 /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

CheckpointDistanceSeg. DistOverallFemalesF30-34Seg. OverallSeg. FemalesSeg. F30-34
5K3.11 mi3.11 mi20447724710452033971811036
10K6.21 mi3.10 mi20397+507200+471028+172037971851027
15K9.32 mi3.11 mi20243+1547113+871025+32033971811036
21K13.05 mi3.73 mi22656-24138311-11981176-15125911100851369
25K15.53 mi2.48 mi21734+9227926+3851121+55184046601959
30K18.64 mi3.11 mi23527-17938900-9741261-14028428116391552
35K21.75 mi3.11 mi23508+198976-761275-142328994641297
40K24.85 mi3.10 mi24025-5179324-3481316-4126178107501443
Finish26.22 mi1.37 mi24191-1669436-1121332-1625801105321450

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×18story building
+279ft-164ft

Overall

20339

Females

7181

F30-34

7181

5K→10K

3.1 - 6.2 mi

Top 68%
×11story building
+103ft-217ft

Overall

20379

Females

7185

F30-34

7185

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+51ft-55ft

Overall

20339

Females

7181

F30-34

7181

15K→21K

9.3 - 13.1 mi

Top 86%
×1story
+20ft-37ft

Overall

25911

Females

10085

F30-34

10085

21K→25K

13.1 - 15.5 mi

Top 61%
×2story building
+35ft-8ft

Overall

18404

Females

6601

F30-34

6601

25K→30K

15.5 - 18.6 mi

Top 95%
×2story building
+58ft-57ft

Overall

28428

Females

11639

F30-34

11639

30K→35K

18.6 - 21.8 mi

Top 78%
×2story building
+98ft-92ft

Overall

23289

Females

9464

F30-34

9464

35K→40K

21.8 - 24.9 mi

Top 87%
×2story building
+36ft-53ft

Overall

26178

Females

10750

F30-34

10750

40K→Finish

24.9 - 26.2 mi

Top 86%
×5story building
+80ft-24ft

Overall

25801

Females

10532

F30-34

10532

Passing Analysis

Category:
Athletes Passed
2611*
Passed By
6355
Net Change
-3744
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20447
5K → 10K489*439+50#20447#20397
10K → 15K479*325+154#20397#20243
15K → 21K125*2538-2413#20243#22656
21K → 25K958*36+922#22656#21734
25K → 30K62*1855-1793#21734#23527
30K → 35K313*294+19#23527#23508
35K → 40K119*636-517#23508#24025
40K → Finish66*232-166#24025#24191
TOTALS2611*6355-3744

* 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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Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions