RIO DEL LAGO 100 MILE 2026

Derek Samples

Roseville, CA

Bib: 297 M 42

Masters

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

Derek Samples · Rio Del Lago 100 2026

Personalized by MyRace AIReport Unlocked

Finish Time

29:33:15

Avg Pace

17:44 /mi

Overall Rank

178 / 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 8%

178 of 194

of the field

Male

Faster than 4%

130 of 136

of this group

M40-44

Faster than 0%

32 of 32

of this group

Similar finishers

35

in 29:10:07-29:54:51

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

489 ft elev

Beals Point 1· 0.45 mi

13:02/mi

5:52

↑ 10 ft0.4% grade

493 ft elev

Willow Creek· 9.28 mi

11:11/mi

1:44:35

↑ 346 ft↓ 695 ft0.7% grade

131 ft elev

Beals Point 2· 21.48 mi

12:22/mi

4:15:23

↑ 988 ft↓ 755 ft0.4% grade

377 ft elev

Granite Beach 1· 25.92 mi

15:16/mi

5:23:12

↑ 447 ft↓ 348 ft0.4% grade

475 ft elev

Rattlesnake Bar 1· 35.75 mi

14:33/mi

7:46:11

↑ 934 ft↓ 996 ft0.1% grade

419 ft elev

Overlook 1· 44.93 mi

19:40/mi

10:46:42

↑ 1348 ft↓ 554 ft1.6% grade

1,243 ft elev

No Hands 1· 49.17 mi

21:28/mi

12:17:42

↑ 140 ft↓ 829 ft3.1% grade

589 ft elev

ALT· 59.35 mi

16:38/mi

15:07:03

↑ 1610 ft↓ 686 ft1.7% grade

1,517 ft elev

Cool· 68.99 mi

21:39/mi

18:35:41

↑ 1291 ft↓ 1246 ft

1,570 ft elev

No Hands 2· 72.60 mi

16:12/mi

19:34:10

↓ 1037 ft5.0% grade

617 ft elev

Overlook 2· 76.84 mi

16:12/mi

20:42:52

↑ 851 ft↓ 135 ft3.2% grade

1,346 ft elev

Rattlesnake Bar 2· 86.02 mi

16:12/mi

23:11:35

↑ 531 ft↓ 1371 ft1.7% grade

505 ft elev

Granite Beach 2· 95.84 mi

16:12/mi

25:50:40

↑ 984 ft↓ 1017 ft

453 ft elev

Finish· 100.00 mi

16:12/mi

26:58:04

↑ 380 ft↓ 380 ft

453 ft elev

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

12:17:4215:00 /mi⚡ faster

2nd Half

17:15:3320:22 /mi+40.4%

Positive split — 40.4% slower in the second half

Checkpoint Splits

Checkpoint	Time	Avg Pace	Segment Length	Segment Time	Segment Pace	Trend	Diff
Beals Point 1	5:52	13:02	0.45 mi	5:52	13:02		-
Willow Creek(9.28 mi)	1:44:35	11:16	8.83 mi	1:38:43	11:11		-1:51
Beals Point 2(21.48 mi)	4:15:23	11:53	12.20 mi	2:30:48	12:22		+1:11
Granite Beach 1(25.92 mi)	5:23:12	12:28	4.44 mi	1:07:49	15:16		+2:54
Rattlesnake Bar 1(35.75 mi)	7:46:11	13:02	9.83 mi	2:22:59	14:33		-0:43
Overlook 1(44.93 mi)	10:46:42	14:24	9.18 mi	3:00:31	19:40		+5:07
No Hands 1(49.17 mi)	12:17:42	15:00	4.24 mi	1:31:00	21:28		+1:48
ALT(59.35 mi)	15:07:03	15:17	10.18 mi	2:49:21	16:38		-4:50
Cool(68.99 mi)	18:35:41	16:10	9.64 mi	3:28:38	21:39		+5:01
No Hands 2(72.60 mi)	19:34:10	16:10	3.61 mi	58:29	16:12		-5:27
Overlook 2(76.84 mi)	20:42:52	16:10	4.24 mi	1:08:42	16:12		0:00
Rattlesnake Bar 2(86.02 mi)	23:11:35	16:11	9.18 mi	2:28:43	16:12		0:00
Granite Beach 2(95.84 mi)	25:50:40	16:11	9.82 mi	2:39:05	16:12		0:00
Finish(100.00 mi)	26:58:04	16:11	4.16 mi	1:07:24	16:12		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

11:11 /mi

Average Pace

16:11 /mi

Slowest Pace

21:39 /mi

Loading chart...

Fastest

Middle

Slowest

Average

Segments

Time at Faster Pace

6:38:22

25% of race

Time at Steady Pace

12:19:33

46% of race

Time at Slower Pace

8:00:09

30% of race

Average Pace: 16:11 /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

Checkpoint	Seg. Dist	Overall	Males	M40-49	Seg. Overall	Seg. Males	Seg. M40-49
Beals Point 1	0.45 mi	169	124	49	169	124	29
Willow Creek(9.28 mi)	8.83 mi	152+17	113+11	44+5	148	109	43
Beals Point 2(21.48 mi)	12.20 mi	143+9	109+4	41+3	137	105	39
Granite Beach 1(25.92 mi)	4.44 mi	167-24	123-14	46-5	190	132	52
Rattlesnake Bar 1(35.75 mi)	9.83 mi	160+7	120+3	48-2	130	99	41
Overlook 1(44.93 mi)	9.18 mi	174-14	125-5	50-2	196	136	54
No Hands 1(49.17 mi)	4.24 mi	180-6	127-2	52-2	190	132	53
ALT(59.35 mi)	10.18 mi	170+10	123+4	48+4	110	87	36
Cool(68.99 mi)	9.64 mi	177-7	128-5	51-3	180	128	52
No Hands 2(72.60 mi)	3.61 mi	180-3	131-3	52-1	75	44	18
Overlook 2(76.84 mi)	4.24 mi	180	131	52	134	94	39
Rattlesnake Bar 2(86.02 mi)	9.18 mi	180	131	52	173	121	50
Granite Beach 2(95.84 mi)	9.82 mi	180	131	52	176	124	51
Finish(100.00 mi)	4.16 mi	180	131	52	177	125	51

Segment Performance Analysis

Start → Beals Point 1

0.0 - 0.5 mi

Top 87%

489 ft499 ft

↑ 10ft↓ 0ft

10 ft

Overall

169

Males

124

M40-49

29

Beals Point 1→Willow Creek

0.5 - 9.3 mi

Top 76%

474 ft125 ft

↑ 346ft↓ 695ft

384 ft

Overall

148

Males

109

M40-49

25

Willow Creek→Beals Point 2

9.3 - 21.5 mi

Top 71%

144 ft377 ft

↑ 988ft↓ 755ft

279 ft

Overall

137

Males

105

M40-49

24

Beals Point 2→Granite Beach 1

21.5 - 25.9 mi

Top 98%

377 ft476 ft

↑ 447ft↓ 348ft

121 ft

Overall

190

Males

132

M40-49

30

Granite Beach 1→Rattlesnake Bar 1

25.9 - 35.8 mi

Top 67%

467 ft405 ft

↑ 934ft↓ 996ft

94 ft

Overall

130

Males

99

M40-49

27

Rattlesnake Bar 1→Overlook 1

35.8 - 44.9 mi

Top 101%

446 ft1240 ft

↑ 1348ft↓ 554ft

830 ft

Overall

196

Males

136

M40-49

32

Overlook 1→No Hands 1

44.9 - 49.2 mi

Top 98%

1276 ft587 ft

↑ 140ft↓ 829ft

689 ft

Overall

190

Males

132

M40-49

33

No Hands 1→ALT

49.2 - 59.4 mi

Top 57%

592 ft1516 ft

↑ 1610ft↓ 686ft

945 ft

Overall

110

Males

87

M40-49

24

ALT→Cool

59.4 - 69.0 mi

Top 93%

1522 ft1568 ft

↑ 1291ft↓ 1246ft

390 ft

Overall

180

Males

128

M40-49

31

Cool→No Hands 2

69.0 - 72.6 mi

Top 39%

1575 ft617 ft

↑ 79ft↓ 1037ft

971 ft

Overall

75

Males

44

M40-49

9

No Hands 2→Overlook 2

72.6 - 76.8 mi

Top 69%

617 ft1332 ft

↑ 851ft↓ 135ft

715 ft

Overall

134

Males

94

M40-49

20

Overlook 2→Rattlesnake Bar 2

76.8 - 86.0 mi

Top 89%

1355 ft515 ft

↑ 531ft↓ 1371ft

889 ft

Overall

173

Males

121

M40-49

30

Rattlesnake Bar 2→Granite Beach 2

86.0 - 95.8 mi

Top 91%

486 ft453 ft

↑ 984ft↓ 1017ft

118 ft

Overall

176

Males

124

M40-49

31

Granite Beach 2→Finish

95.8 - 100.0 mi

Top 91%

453 ft453 ft

↑ 380ft↓ 380ft

128 ft

Overall

177

Males

125

M40-49

31

Your segment insights are in your Race Performance Report.

Passing Analysis

No position changes recorded for this athlete.

Finisher Certificate

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November 7-8, 2026

Derek Samples

Has completed the 100 MILE ENDURANCE RUN in a time of:

29:33:15

178

out of 194

Overall Place

130

out of 136

Gender (Male)

51

out of 54

Age Group (M40-49)

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Official Timing Data

Enhanced athlete results built from official timing data.

Race managed by

NorCalUltras

Race timed by

Capital Road Race Management