Marc Labriet

Walnut Creek, CA

Bib: 185 M 44

0:00
0:00
/ mi
Masters
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Overall
#0 / 194
Gender (Male)
#0 / 136
Masters (Masters Men)
#0 / 85
Division (M40-49)
#0 / 54
Race Day Weather
54°/44°F
clear sky

Race Performance Report

Marc Labriet · Rio Del Lago 100 2026
Personalized by MyRace AIReport Unlocked
Finish Time
27:55:55
Avg Pace
16:46 /mi
Overall Rank
117 / 194

Race Story

Analyzing your race…

Key Insights

Analyzing your race…

Pacing Breakdown

Pacing Efficiency

30
Pacing

The data shows a significant second-half slowdown relative to the first half.

Race Benchmarking

How the athlete stacked up against the field in this race.

Overall
Faster than 40%
117 of 194
of the field
Male
Faster than 33%
91 of 136
of this group
M40-44
Faster than 19%
26 of 32
of this group
Similar finishers
14
in 27:40:39-28:25:23

Analysis coverage: Strong — based on 14 timed segments, official finish results, field rankings. Timing data identifies patterns, but may not capture factors such as race goals, stops, fueling, or course conditions.

Timing Data Quality

67.7%Poor
72.3% Complete~27.7% Missed/Estimated

Across 13 intermediate timing checkpoints

Passing stats, segment rankings, and position data on this page use estimated times and may not reflect actual race positions.

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
Beals Point 1· 0.45 mi
11:54/mi
5:21
↑ 10
Willow Creek· 9.28 mi
9:43/mi
1:31:06
↑ 346↓ 695
Beals Point 2· 21.48 mi
10:52/mi
3:43:44
↑ 988↓ 755
Granite Beach 1· 25.92 mi
12:32/mi
4:39:24
↑ 447↓ 348
Rattlesnake Bar 1· 35.75 mi
13:32/mi
6:52:25
↑ 934↓ 996
Overlook 1· 44.93 mi
16:06/mi
9:20:17
↑ 1348↓ 554
No Hands 1· 49.17 mi
15:39/mi
10:26:37
↑ 140↓ 829
ALT· 59.35 mi
16:35/mi
13:15:27
↑ 1610↓ 686
Cool· 68.99 mi
19:31/mi
16:23:36
↑ 1291↓ 1246
No Hands 2· 72.60 mi
34:22/mi
18:27:41
↓ 1037
Overlook 2· 76.84 mi
16:05/mi
19:35:51
↑ 851↓ 135
Rattlesnake Bar 2· 86.02 mi
16:05/mi
22:03:27
↑ 531↓ 1371
Granite Beach 2· 95.84 mi
16:05/mi
24:41:19
↑ 984↓ 1017
Finish· 100.00 mi
16:05/mi
25:48:12
↑ 380↓ 380
Course Elevation
10,075ft
Total climb
1,499ft
Range
92 to 1,591 ft
10,111ft
Total descent
About the height of five redwood trees

The Course

Half Splits

1st Half· via No Hands 1
10:26:3712:45 /mi⚡ faster
2nd Half
17:29:1820:39 /mi+67.5%
Positive split — 67.5% slower in the second half

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
Beals Point 1
5:2111:540.45 mi5:21
11:54
-
Willow Creek(9.28 mi)
1:31:069:498.83 mi1:25:45
9:43
-2:11
Beals Point 2(21.48 mi)
3:43:4410:2512.20 mi2:12:38
10:52
+1:09
Granite Beach 1(25.92 mi)
4:39:2410:474.44 mi55:40
12:32
+1:40
Rattlesnake Bar 1(35.75 mi)
6:52:2511:329.83 mi2:13:01
13:32
+1:00
Overlook 1(44.93 mi)
9:20:1712:289.18 mi2:27:52
16:06
+2:34
No Hands 1(49.17 mi)
10:26:3712:454.24 mi1:06:20
15:39
-0:27
ALT(59.35 mi)
13:15:2713:2410.18 mi2:48:50
16:35
+0:56
Cool(68.99 mi)
16:23:3614:159.64 mi3:08:09
19:31
+2:56
No Hands 2(72.60 mi)
18:27:4115:153.61 mi2:04:05
34:22
+14:51
Overlook 2(76.84 mi)
19:35:5115:184.24 mi1:08:10
16:05
-18:17
Rattlesnake Bar 2(86.02 mi)
22:03:2715:239.18 mi2:27:35
16:05
0:00
Granite Beach 2(95.84 mi)
24:41:1915:279.82 mi2:37:52
16:05
0:00
Finish(100.00 mi)
25:48:1215:294.16 mi1:06:53
16:05
0:00
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

9:43 /mi

Average Pace

15:29 /mi

Slowest Pace

34:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

4:39:24

18% of race

Time at Steady Pace

15:56:34

62% of race

Time at Slower Pace

5:12:14

20% of race

Average Pace: 15:29 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi25.0mi50.0mi75.0mi100.0mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-49Seg. OverallSeg. MalesSeg. M40-49
Beals Point 10.45 mi11891301189119
Willow Creek(9.28 mi)8.83 mi69+4953+3819+11685319
Beals Point 2(21.48 mi)12.20 mi75-659-624-5745925
Granite Beach 1(25.92 mi)4.44 mi74+158+1241339436
Rattlesnake Bar 1(35.75 mi)9.83 mi85-1168-1029-5977733
Overlook 1(44.93 mi)9.18 mi93-873-530-11088335
No Hands 1(49.17 mi)4.24 mi89+470+328+2937529
ALT(59.35 mi)10.18 mi8970281078435
Cool(68.99 mi)9.64 mi96-776-632-414010743
No Hands 2(72.60 mi)3.61 mi122-2694-1838-617512246
Overlook 2(76.84 mi)4.24 mi124-295-1381299138
Rattlesnake Bar 2(86.02 mi)9.18 mi128-496-139-116911949
Granite Beach 2(95.84 mi)9.82 mi134-6102-642-317212250
Finish(100.00 mi)4.16 mi139-5106-443-117312350

Segment Performance Analysis

Start → Beals Point 1

0.0 - 0.5 mi

Top 61%
489 ft499 ft
↑ 10ft↓ 0ft
10 ft

Overall

118

Males

91

M40-49

19

Beals Point 1→Willow Creek

0.5 - 9.3 mi

Top 35%
474 ft125 ft
↑ 346ft↓ 695ft
384 ft

Overall

68

Males

53

M40-49

13

Willow Creek→Beals Point 2

9.3 - 21.5 mi

Top 38%
144 ft377 ft
↑ 988ft↓ 755ft
279 ft

Overall

74

Males

59

M40-49

17

Beals Point 2→Granite Beach 1

21.5 - 25.9 mi

Top 69%
377 ft476 ft
↑ 447ft↓ 348ft
121 ft

Overall

133

Males

94

M40-49

23

Granite Beach 1→Rattlesnake Bar 1

25.9 - 35.8 mi

Top 50%
467 ft405 ft
↑ 934ft↓ 996ft
94 ft

Overall

97

Males

77

M40-49

22

Rattlesnake Bar 1→Overlook 1

35.8 - 44.9 mi

Top 56%
446 ft1240 ft
↑ 1348ft↓ 554ft
830 ft

Overall

108

Males

83

M40-49

23

Overlook 1→No Hands 1

44.9 - 49.2 mi

Top 48%
1276 ft587 ft
↑ 140ft↓ 829ft
689 ft

Overall

93

Males

75

M40-49

19

No Hands 1→ALT

49.2 - 59.4 mi

Top 55%
592 ft1516 ft
↑ 1610ft↓ 686ft
945 ft

Overall

107

Males

84

M40-49

23

ALT→Cool

59.4 - 69.0 mi

Top 72%
1522 ft1568 ft
↑ 1291ft↓ 1246ft
390 ft

Overall

140

Males

107

M40-49

26

Cool→No Hands 2

69.0 - 72.6 mi

Top 90%
1575 ft617 ft
↑ 79ft↓ 1037ft
971 ft

Overall

175

Males

122

M40-49

27

No Hands 2→Overlook 2

72.6 - 76.8 mi

Top 66%
617 ft1332 ft
↑ 851ft↓ 135ft
715 ft

Overall

129

Males

91

M40-49

19

Overlook 2→Rattlesnake Bar 2

76.8 - 86.0 mi

Top 87%
1355 ft515 ft
↑ 531ft↓ 1371ft
889 ft

Overall

169

Males

119

M40-49

29

Rattlesnake Bar 2→Granite Beach 2

86.0 - 95.8 mi

Top 89%
486 ft453 ft
↑ 984ft↓ 1017ft
118 ft

Overall

172

Males

122

M40-49

30

Granite Beach 2→Finish

95.8 - 100.0 mi

Top 89%
453 ft453 ft
↑ 380ft↓ 380ft
128 ft

Overall

173

Males

123

M40-49

30

Your segment insights are in your Race Performance Report.

Passing Analysis

No position changes recorded for this athlete.

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Official Timing Data

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