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MARINE CORPS MARATHON 2025

Haiyan Song

Ningbo

Bib: 17078 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Gender (Female)
#0 / 12338
Masters (Masters Women)
#0 / 5451
Top 45%
Division (F55-59)
#0 / 873
Top 38%
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
11:53/mi
36:54
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
10:56/mi
1:10:52
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
12:12/mi
1:48:46
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
11:16/mi
2:30:45
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
11:32/mi
2:59:24
↑ 350.2%
30 ft elev
30K· 18.64 mi
11:39/mi
3:35:36
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
11:41/mi
4:11:54
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:57/mi
4:49:01
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
12:25/mi
5:05:57
↑ 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
Time2:30:45
Pace11:33 /mi
2nd Half
Distance13.17 mi
Time2:35:11
Pace11:47 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi08:29:5736:5411:5336:54
11:53
-
10K
6.21 mi09:03:551:10:5211:2433:58
10:56
-0:57
15K
9.32 mi09:41:491:48:4611:4037:54
12:12
+1:16
21K
13.05 mi10:23:482:30:4511:3341:59
11:16
-0:56
25K
15.53 mi10:52:272:59:2411:3328:39
11:32
+0:16
30K
18.64 mi11:28:393:35:3611:3436:12
11:39
+0:07
35K
21.75 mi12:04:574:11:5411:3536:18
11:41
+0:02
40K
24.85 mi12:42:044:49:0111:3837:07
11:57
+0:16
Finish
26.22 mi12:59:005:05:5711:4116:56
12:25
+0:28

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

10:56 /mi

Average Pace

11:41 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:11:07

82% of race

Time at Steady Pace

54:50

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:40 /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 mi08:29:5736:5411:5336:54
11:53
#23315
10K
6.21 mi09:03:551:10:5211:2433:58
10:56
#22476
15K
9.32 mi09:41:491:48:4611:4037:54
12:12
#23845
21K
13.05 mi10:23:482:30:4511:3341:59
11:16
#22352
25K
15.53 mi10:52:272:59:2411:3328:39
11:32
#21793
30K
18.64 mi11:28:393:35:3611:3436:12
11:39
#20744
35K
21.75 mi12:04:574:11:5411:3536:18
11:41
#19829
40K
24.85 mi12:42:044:49:0111:3837:07
11:57
#18999
Finish
26.22 mi12:59:005:05:5711:4116:56
12:25
#18890
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi23315861845125600(Top 85%)9791(Top 79%)567(Top 66%)
10K6.21 mi3.10 mi22476+8398194+424414+3721795(Top 73%)7873(Top 64%)390(Top 45%)
15K9.32 mi3.11 mi23845-13698860-666466-5225600(Top 85%)9791(Top 79%)567(Top 66%)
21K13.05 mi3.73 mi22352+14938161+699418+4819574(Top 65%)6909(Top 56%)328(Top 38%)
25K15.53 mi2.48 mi21793+5597958+203400+1820106(Top 67%)7414(Top 60%)358(Top 42%)
30K18.64 mi3.11 mi20744+10497560+398374+2617285(Top 58%)6270(Top 51%)266(Top 31%)
35K21.75 mi3.11 mi19829+9157233+327353+2115649(Top 52%)5893(Top 48%)248(Top 29%)
40K24.85 mi3.10 mi18999+8306974+259332+2114958(Top 50%)5839(Top 47%)241(Top 28%)
Finish26.22 mi1.37 mi18890+1096959+15328+417240(Top 57%)6830(Top 55%)291(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×18story building
+279ft-164ft

Overall

25600

Females

9791

F55-59

9791

5K→10K

3.1 - 6.2 mi

Top 73%
×11story building
+103ft-217ft

Overall

21795

Females

7873

F55-59

7873

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+51ft-55ft

Overall

25600

Females

9791

F55-59

9791

15K→21K

9.3 - 13.1 mi

Top 65%
×1story
+20ft-37ft

Overall

19574

Females

6909

F55-59

6909

21K→25K

13.1 - 15.5 mi

Top 67%
×2story building
+35ft-8ft

Overall

20106

Females

7414

F55-59

7414

25K→30K

15.5 - 18.6 mi

Top 58%
×2story building
+58ft-57ft

Overall

17285

Females

6270

F55-59

6270

30K→35K

18.6 - 21.8 mi

Top 52%
×2story building
+98ft-92ft

Overall

15649

Females

5893

F55-59

5893

35K→40K

21.8 - 24.9 mi

Top 50%
×2story building
+36ft-53ft

Overall

14958

Females

5839

F55-59

5839

40K→Finish

24.9 - 26.2 mi

Top 57%
×5story building
+80ft-24ft

Overall

17240

Females

6830

F55-59

6830

Passing Analysis

Category:
Athletes Passed
6413*
Passed By
1988
Net Change
+4425
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23315
5K → 10K1013*174+839#23315#22476
10K → 15K144*1513-1369#22476#23845
15K → 21K1507*14+1493#23845#22352
21K → 25K666*107+559#22352#21793
25K → 30K1068*19+1049#21793#20744
30K → 35K947*32+915#20744#19829
35K → 40K879*49+830#19829#18999
40K → Finish189*80+109#18999#18890
TOTALS6413*1988+4425

* 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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Export Track Data

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Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions