Lillian Petersen

Boulder, CO

Bib: 2242 F

0:00
0:00
/ mi
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Overall
#0 / 15907
Top 6%
Gender (Female)
#0 / 5973
Top 3%
Division (F20-24)
#0 / 849
Top 4%
Race Day Weather
43°/33°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
27 ft elev
5K· 3.11 mi
7:46/mi
24:08
2791640.7%
140 ft elev
10K· 6.21 mi
7:24/mi
47:07
1032170.7%
25 ft elev
15K· 9.32 mi
7:34/mi
1:10:38
5155
21 ft elev
21K· 13.05 mi
7:42/mi
1:39:19
2037
4 ft elev
25K· 15.53 mi
7:25/mi
1:57:46
350.2%
30 ft elev
30K· 18.64 mi
7:49/mi
2:22:04
5857
30 ft elev
35K· 21.75 mi
7:47/mi
2:46:15
9892
36 ft elev
40K· 24.85 mi
8:05/mi
3:11:21
36530.1%
18 ft elev
Finish· 26.22 mi
8:09/mi
3:22:28
80240.8%
74 ft elev
Course Elevation
3237 ft
×20story building
764 ft climb · 717 ft descent

The Course

Half Splits

1st Half· via 21K
1:39:197:37 /mi⚡ faster
2nd Half
1:43:097:50 /mi+3.9%
Positive split — 3.9% 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
24:087:463.11 mi24:08
7:46
-
10K
47:077:353.10 mi22:59
7:24
-0:22
15K
1:10:387:353.11 mi23:31
7:34
+0:10
21K
1:39:197:373.73 mi28:41
7:42
+0:08
25K
1:57:467:352.48 mi18:27
7:25
-0:17
30K
2:22:047:373.11 mi24:18
7:49
+0:24
35K
2:46:157:393.11 mi24:11
7:47
-0:02
40K
3:11:217:423.10 mi25:06
8:05
+0:18
Finish(26.22 mi)
3:22:287:441.37 mi11:07
8:09
+0:04
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:24 /mi

Average Pace

7:44 /mi

Slowest Pace

8:09 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:11:21

95% of race

Time at Steady Pace

11:07

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:43 /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. DistOverallFemalesF20-24Seg. OverallSeg. FemalesSeg. F20-24
5K3.11 mi102115430116316634
10K3.10 mi1061-40160-630112316130
15K3.11 mi1089-2816031-1116316634
21K3.73 mi1111-2216034-3121117338
25K2.48 mi1104+7159+134110016438
30K3.11 mi1082+22158+136-2112617542
35K3.11 mi1027+55151+733+3105818043
40K3.10 mi1009+18156-534-1115324257
Finish(26.22 mi)1.37 mi1002+7158-234134729871

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×18story building
+279ft-164ft

Overall

1163

Females

166

F20-24

166

5K→10K

3.1 - 6.2 mi

Top 7%
×11story building
+103ft-217ft

Overall

1123

Females

161

F20-24

161

10K→15K

6.2 - 9.3 mi

Top 7%
×3story building
+51ft-55ft

Overall

1163

Females

166

F20-24

166

15K→21K

9.3 - 13.1 mi

Top 8%
×1story
+20ft-37ft

Overall

1211

Females

173

F20-24

173

21K→25K

13.1 - 15.5 mi

Top 7%
×2story building
+35ft-8ft

Overall

1100

Females

164

F20-24

164

25K→30K

15.5 - 18.6 mi

Top 7%
×2story building
+58ft-57ft

Overall

1126

Females

175

F20-24

175

30K→35K

18.6 - 21.8 mi

Top 7%
×2story building
+98ft-92ft

Overall

1058

Females

180

F20-24

180

35K→40K

21.8 - 24.9 mi

Top 7%
×2story building
+36ft-53ft

Overall

1153

Females

242

F20-24

242

40K→Finish

24.9 - 26.2 mi

Top 8%
×5story building
+80ft-24ft

Overall

1347

Females

298

F20-24

298

Passing Analysis

Category:
Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 5K-#1021
5K10K
6626-40
#1021 #1061
10K15K
5325*-28
#1061 #1089
15K21K
4321*-22
#1089 #1111
21K25K
2633*+7
#1111 #1104
25K30K
2547*+22
#1104 #1082
30K35K
1873*+55
#1082 #1027
35K40K
4361*+18
#1027 #1009
40KFinish
916+7
#1009 #1002
TOTALS
283302*+19
#1021 #1002

* 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