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MARINE CORPS MARATHON 2025

Ancolien Tate-Siertsema

Charlottesvle, VA

Bib: 18031 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 30047
Top 31%
Gender (Female)
#0 / 12338
Top 23%
Masters (Masters Women)
#0 / 5451
Top 14%
Division (F55-59)
#0 / 873
Top 7%
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
9:31/mi
29:34
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
8:58/mi
57:27
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
9:02/mi
1:25:31
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
9:24/mi
2:00:32
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
9:10/mi
2:23:20
↑ 350.2%
30 ft elev
30K· 18.64 mi
9:45/mi
2:53:36
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
10:09/mi
3:25:07
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
11:07/mi
3:59:38
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
10:48/mi
4:14:22
↑ 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
2:00:329:14 /mi⚡ faster
2nd Half
2:13:5010:10 /mi+11.0%
Positive split — 11.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi07:54:0329:349:3129:34
9:31
-
10K
6.21 mi08:21:5657:279:1527:53
8:58
-0:33
15K
9.32 mi08:50:001:25:319:1128:04
9:02
+0:04
21K
13.05 mi09:25:012:00:329:1435:01
9:24
+0:22
25K
15.53 mi09:47:492:23:209:1422:48
9:10
-0:14
30K
18.64 mi10:18:052:53:369:1930:16
9:45
+0:35
35K
21.75 mi10:49:363:25:079:2631:31
10:09
+0:24
40K
24.85 mi11:24:073:59:389:3834:31
11:07
+0:58
Finish
26.22 mi11:38:514:14:229:4314:44
10:48
-0:19

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

8:58 /mi

Average Pace

9:43 /mi

Slowest Pace

11:07 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

55:57

22% of race

Time at Steady Pace

1:57:39

46% of race

Time at Slower Pace

1:20:46

32% of race

Average Pace: 9:42 /mi

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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.

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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 mi07:54:0329:349:3129:34
9:31
#8739
10K
6.21 mi08:21:5657:279:1527:53
8:58
#8978
15K
9.32 mi08:50:001:25:319:1128:04
9:02
#9057
21K
13.05 mi09:25:012:00:329:1435:01
9:24
#9338
25K
15.53 mi09:47:492:23:209:1422:48
9:10
#9310
30K
18.64 mi10:18:052:53:369:1930:16
9:45
#9234
35K
21.75 mi10:49:363:25:079:2631:31
10:09
#9100
40K
24.85 mi11:24:073:59:389:3834:31
11:07
#9260
Finish
26.22 mi11:38:514:14:229:4314:44
10:48
#9296
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi87392269419311246957
10K6.21 mi3.10 mi8978-2392338-6947-69350244853
15K9.32 mi3.11 mi9057-792364-2650-39311246957
21K13.05 mi3.73 mi9338-2812474-11053-310068275661
25K15.53 mi2.48 mi9310+282481-7539672270660
30K18.64 mi3.11 mi9234+762501-20539422278568
35K21.75 mi3.11 mi9100+1342531-30539675318084
40K24.85 mi3.10 mi9260-1602725-19461-8119394500153
Finish26.22 mi1.37 mi9296-362782-5762-1110774168117

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×18story building
+279ft-164ft

Overall

9311

Females

2469

F55-59

2469

5K→10K

3.1 - 6.2 mi

Top 31%
×11story building
+103ft-217ft

Overall

9350

Females

2448

F55-59

2448

10K→15K

6.2 - 9.3 mi

Top 31%
×3story building
+51ft-55ft

Overall

9311

Females

2469

F55-59

2469

15K→21K

9.3 - 13.1 mi

Top 34%
×1story
+20ft-37ft

Overall

10068

Females

2756

F55-59

2756

21K→25K

13.1 - 15.5 mi

Top 32%
×2story building
+35ft-8ft

Overall

9672

Females

2706

F55-59

2706

25K→30K

15.5 - 18.6 mi

Top 31%
×2story building
+58ft-57ft

Overall

9422

Females

2785

F55-59

2785

30K→35K

18.6 - 21.8 mi

Top 32%
×2story building
+98ft-92ft

Overall

9675

Females

3180

F55-59

3180

35K→40K

21.8 - 24.9 mi

Top 40%
×2story building
+36ft-53ft

Overall

11939

Females

4500

F55-59

4500

40K→Finish

24.9 - 26.2 mi

Top 37%
×5story building
+80ft-24ft

Overall

11077

Females

4168

F55-59

4168

Passing Analysis

Category:
Athletes Passed
1884*
Passed By
2441
Net Change
-557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8739
5K → 10K203*442-239#8739#8978
10K → 15K194*273-79#8978#9057
15K → 21K174*455-281#9057#9338
21K → 25K253*225+28#9338#9310
25K → 30K317*241+76#9310#9234
30K → 35K387*253+134#9234#9100
35K → 40K255*415-160#9100#9260
40K → Finish101*137-36#9260#9296
TOTALS1884*2441-557

* 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