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MARINE CORPS MARATHON 2025

Thomas Foster

Chicago, IL

Bib: 9865 M

0:00
0:00
/ mi
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Overall
#0 / 30047
Top 0.2%
Gender (Male)
#0 / 17709
Top 0.3%
Division (M20-24)
#0 / 1424
Top 0.8%
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
6:34/mi
20:25
↑ 279↓ 1640.7%
140 ft elev
10K· 6.21 mi
6:09/mi
39:30
↑ 103↓ 2170.7%
25 ft elev
15K· 9.32 mi
6:11/mi
58:43
↑ 51↓ 55
21 ft elev
21K· 13.05 mi
6:11/mi
1:21:46
↑ 20↓ 37
4 ft elev
25K· 15.53 mi
5:48/mi
1:36:10
↑ 350.2%
30 ft elev
30K· 18.64 mi
5:47/mi
1:54:07
↑ 58↓ 57
30 ft elev
35K· 21.75 mi
5:49/mi
2:12:11
↑ 98↓ 92
36 ft elev
40K· 24.85 mi
5:46/mi
2:30:05
↑ 36↓ 530.1%
18 ft elev
Finish· 26.22 mi
5:50/mi
2:38:03
↑ 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
1:21:466:16 /mi+6.7%
2nd Half
1:16:165:47 /mi✓ faster
Negative split — 6.7% faster 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 mi07:43:2720:256:3420:25
6:34
-
10K
6.21 mi08:02:3239:306:2119:05
6:09
-0:25
15K
9.32 mi08:21:4558:436:1819:13
6:11
+0:02
21K
13.05 mi08:44:481:21:466:1623:03
6:11
0:00
25K
15.53 mi08:59:121:36:106:1114:24
5:48
-0:23
30K
18.64 mi09:17:091:54:076:0717:57
5:47
-0:01
35K
21.75 mi09:35:132:12:116:0518:04
5:49
+0:02
40K
24.85 mi09:53:072:30:056:0217:54
5:46
-0:03
Finish
26.22 mi10:01:052:38:036:027:58
5:50
+0:04

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

5:46 /mi

Average Pace

6:02 /mi

Slowest Pace

6:34 /mi

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Fastest
Middle
Slowest
Average

Segments

Segment Time Comparison

Time at Faster Pace

2:17:38

87% of race

Time at Steady Pace

20:25

13% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:02 /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 mi07:43:2720:256:3420:25
6:34
#165
10K
6.21 mi08:02:3239:306:2119:05
6:09
#150
15K
9.32 mi08:21:4558:436:1819:13
6:11
#143
21K
13.05 mi08:44:481:21:466:1623:03
6:11
#116
25K
15.53 mi08:59:121:36:106:1114:24
5:48
#105
30K
18.64 mi09:17:091:54:076:0717:57
5:47
#80
35K
21.75 mi09:35:132:12:116:0518:04
5:49
#71
40K
24.85 mi09:53:072:30:056:0217:54
5:46
#50
Finish
26.22 mi10:01:052:38:036:027:58
5:50
#46
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM20-24Seg. OverallSeg. MalesSeg. M20-24
5K3.11 mi3.11 mi1651603912812437
10K6.21 mi3.10 mi150+15146+1440-114113737
15K9.32 mi3.11 mi143+7140+638+212812437
21K13.05 mi3.73 mi116+27114+2635+3838127
25K15.53 mi2.48 mi105+11103+1133+2525018
30K18.64 mi3.11 mi80+2579+2425+831248
35K21.75 mi3.11 mi71+970+922+321217
40K24.85 mi3.10 mi50+2149+2113+916164
Finish26.22 mi1.37 mi46+445+411+211114

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.4%
×18story building
+279ft-164ft

Overall

128

Males

124

M20-24

124

5K→10K

3.1 - 6.2 mi

Top 0.5%
×11story building
+103ft-217ft

Overall

141

Males

137

M20-24

137

10K→15K

6.2 - 9.3 mi

Top 0.4%
×3story building
+51ft-55ft

Overall

128

Males

124

M20-24

124

15K→21K

9.3 - 13.1 mi

Top 0.3%
×1story
+20ft-37ft

Overall

83

Males

81

M20-24

81

21K→25K

13.1 - 15.5 mi

Top 0.2%
×2story building
+35ft-8ft

Overall

52

Males

50

M20-24

50

25K→30K

15.5 - 18.6 mi

Top 0.1%
×2story building
+58ft-57ft

Overall

31

Males

24

M20-24

24

30K→35K

18.6 - 21.8 mi

Top 0.07%
×2story building
+98ft-92ft

Overall

21

Males

21

M20-24

21

35K→40K

21.8 - 24.9 mi

Top 0.05%
×2story building
+36ft-53ft

Overall

16

Males

16

M20-24

16

40K→Finish

24.9 - 26.2 mi

Top 0.04%
×5story building
+80ft-24ft

Overall

11

Males

11

M20-24

11

Passing Analysis

Category:
Athletes Passed
122*
Passed By
3
Net Change
+119
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#165
5K → 10K172+15#165#150
10K → 15K81+7#150#143
15K → 21K27*0+27#143#116
21K → 25K110+11#116#105
25K → 30K25*0+25#105#80
30K → 35K90+9#80#71
35K → 40K210+21#71#50
40K → Finish40+4#50#46
TOTALS122*3+119

* 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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Questions or issues regarding timing data?

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Contact Race Support

Public Race Data

U.S. Marine Corps Community Services (MCCS)

Timing Productions