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ohlone50k.com 2001-2013


2013 Credits

Race Directors:  Larry England

Race Directors Emeritus:  Rob Byrne, Helmut Roesner, John Vonhof

Founder and Patron Saint:  John Vonhof

Heroes of the East Bay Regional Park District:

  • Tiffany Margulici - Special events coordinator
  • Gordon Willey - Park Supervisor for Sunol & Ohlone Wilderness, and Mission Peak
  • Shelly Miller -  Park Supervisor for Del Valle Park

Artistic Director: Tom Hamel

Ace Reporter:

Culinary Operations Executive:  Anil Vaidya

Director of Medical Operations:  Sean Neary 

Generalissimo of Course Marking:Joe Swenson

World Class Course Marking Crew:  Joe Swenson, Sarah Ho, Ken Gregorich, Bill White, Jennifer Ray,
Ter Dube, Enrique Henriquez, Anna Liao, Ernesto Mata Sol, Yemia Hasimoto, Steve Shultis

“More Power!” Award Fabrication Team: Tom Conrad, Ken Howell, Larry England

Communications Coordinator:  Dave McBrayer (N6OJJ)

Radio Communications:   Dave McBrayer (N6OJJ)

Race Day Staffing

Volunteer Guide





Pre-Race Prep [Pleasanton & San Rafael]

(Thursday, May 16)

Pick up  Budget rental truck

Drive to San Rafael and collect supplies from BAUR locker and haul everything to Jim’s house in Pleasanton.

Inventory and Costo shopping.

Pre-Race Prep [Pleasanton]

(Friday, May 17)

  • Jerry Roninger   (L)
  • Jacklyn Gates (S)
  • E. Henriquez (?)

Meet at Jim Bahl’s house in Pleasanton (6251 Corte Fuego) at 10:00am.

Picking, packing, parsing, shopping, fetching, cleaning, sorting, prepping.

More Costco shopping.

Rajeev available in evening.

Course Marking

  • Joe Swenson   (L)
  • Todd Anderson (L)

Contact Joe or director@ohlone50k.com to volunteer to mark the course on Saturday.

Pre-Race Course Check

  • Yemia Hashimoto (L)

Start around 6:00am and run ahead of runners to check trail markings and add ribbons as necessary.

Del Valle Park Gate Assistance

  • Adele Ho (S)

This assignment is located at the park gate at Del Valle.  You will assist the ranger at the kisok in processing queue of cars entering the park.  This is necessary because a large number of boats enter the park at the same time the runners arrive.  Because the rangers must inspect each boat entering, this bogs down line for runners.  Volunteers with this duty will work under the ranger’s direction to keep things moving smoothly. 

5:15am - 7:00am

Parking & Bus Loading at Del Valle

  • Kate Fowlie (M)
  • Michele Santilhano, RN
  • Michael Lim (?) 

Bring a flashlight.  Meet parking lot adjacent to Lichen Bark Picnic Area.

After unloading truck, Rajeev wil ferry the truck to Sunol Regional Park, then return to Del Valle.

Michele will help with parking and bus loading, then take the last bus to the start to help sweep the course.

Park gate opens at 5:30am.

5:30am - 6:45am

Start Line

6:30am - 8:15am

  • Stan Jensen (L)
  • Doanh Nguyen (M)
  • Mindy Nguyen (M)
  • Pingying Zeng (S)

Radio:Aaron McClure (WD0FAA) (XL)

Volunteers should be on site around 6:30 to set up.  The early starters will need to be checked in for their prompt 7:00am start.

Main responsibilities will be to check in runners and supervise the early start.  Start Line supplies as well as supplies for the Laurel Loop aid station will arrive at 6:30am.

You will have alphabetical checklists for the runners and you will hand out bib numbers to runners when they check in. 

You will also send off  the early start runners at 7:00am (according to your watch).  As you check them in. please use the marker to write a large “+1” (indicating that they started one hour early) on their bib number.  Their starting time will be based on your watch.  We will start the official race at 8:00am based off of your watch as well, that way we will guarantee that the early folks started exactly one hour earlier.

Aaron will collect the DNS and relay them to race officials. Aaron will then proceed to Stromer Springs.


Mobile Logistics

(in truck w/ Ranger)

Radio: Dick Gorringe (WA6STR)

Meet at Sunol at 7:45 to drive into backcountry

Course Sweeps

7:45am - 6:00pm.

  • Dee Bringer (S)
  • Steve McCluhan (S)
  • Tim Roush (S)
  • Don Hotton (L)
  • Martin Whitcomb (L)
  • Michele Santilhano, RN (S)

Be at race start at 7:45am.  If you want you can take the bus from Del Valle with the runners.

As with the runners, we will transport to the finish anything you want to leave at the start.  Bring a bag marked with your name if you would like your sweats transported to the finish.

You will start approximately 15 minutes after the race begins and follow behind, removing course markings and obliterating the flour arrows as you go.  If you happen to see litter left behind by a runner, please pick it up.

The aid stations will remain open until you pass through.  Do not get ahead of the runners, we need to know that there are no more runners behind you when you pass through an aid station.

Be sure to cover the entire course - including the section up to Rose Peak.  The course monitors will not leave there until you pass though.

Laurel Loop Aid Station

Open 8:30am - Close 10:00am

  • Hollis Lenderking (L)
  • Julie Zach (S)
  • Dave Shough (L)
  • Tina Shough (M)

Radio: Larry Loomer (KI6LNB) (L)
   Nancy Smith (XXL)

Meet at Start area (Mission Peak) to pick up supplies at 7:00am.  Drive in and be on site at 8:00am.

Need an SUV which will be used for transporting supplies to the aid station location from the Start.

After aid station closes, drop supplies in Ryder truck in Sunol Regional Park. Larry to proceed to Del Valle.

Sunol Aid Station

Open 8:45am - Close 10:45am

  • Dee Bringer (M)
  • Wini Jebian (M)
  • Lee Jebian (M)
  • Suki Martin (S)
  • Patrice O’Malley (S)

Radio: Stan Bringer (WA6IRZ) (L)

Be on site at 8:00am, this is the main hub for all back country aid station transporation.

Wini w/ vehicle to transport dropping runners to Finish.  Wini to stay until last runner passes Maggie’s Half Acre.

Supplies to be delivered on Sunday morning.

American Red Cross Bay Area Chapter - Stationary Unit -8:30 to 1:00  (until Goat Rock Closing)

Backpack Area Aid Station

 (3.37 mile hike/run from Sunol)

Open 9:30am - Close 12:00pm

  • Ken Skulina (XL)
  • Janet Skulina (S)
  • Judy Etheridge (M)
  • Bethy Ronces (S)

Radio: John Rabold (KS6M) (M)

All volunteers hike in at 8:00 (or earlier) from Sunol.

Vehicle transportation is available for the radio operator, John, and his equipment.  Meet at Sunol at 7:45 am to ride in with the ranger

Supplies to be cached on Saturday.

Ken and Janet will be able to transport dropped runners to Del Valle.

Goat Rock Aid Station

(5.85 hike/run from Sunol)

Open 10:00am - Close 1:00pm

  • Tom Conrad (XL)
  • Ken Howell (XL)
  • Kristen Dymmel (S)
  • Rob Tsuk (XL)
  • Diane Patterson (M)
  • Charles Weston (L)

Radio: Jeff Martin (W6JMZ) (L)
Richard St. Claire (k6vj) (XL)

Tom is camping at the aid station site on Saturday night.   He will deliver his pack to Larry by Wed, and we will cache them along with the aid station supplies on Saturday.

Others to hike in on race morning - beginning  at 8:00am, early enough to be there by 9:30.

This is Jeff’s 10th year at Ohlone! Thanks!

Supplies to be cached on Saturday.

Rose Peak Course Monitors

(10.59 mile hike/run from Sunol)

Open 10:30am - Close 3:00pm

  • Tim Renggli  (L)
  • Jacklyn Gates
  • Steve Shultis (?)

Course monitors remain stationed at the top of Rose Peak and ensure that all runners take/receive confirmation bracelet.  The bracelet serves as proof that the runner has summited Rose Peak and not short-cut the course.  Runners arriving at the finish line without a bracelet will not be credited with completing the course and will receive a DNF in the final standings. 

The rubber bracelets and your volunteer shirts  will be waiting for you at the top of Rose Peak.

Maggie’s Half Acre Aid Station

(10.59 mile hike/run from Sunol)

Open 10:30am - Close 3:00pm

  • Jurek Zarzycki (XL)
  • Boy Scout Troop 290 from SJ
  • Travis Friedrich - scout (M)
  • Frank Jones - scout (M)
  • Charles Kim - scout (M)
  • Ross McFadyen - scout (L)
  • Casey Pavlovic - scout (L)
  • Michael Prazak - scout (XL)
  • Matthew Wright - scout (M)
  • Dragan Pavlovic - leader (XL)
  • Tak Tanaka - leader (M)
  • Mark Wright - leader (L)

Radio: Able Hurtado (K6ABL) (XL)

Jurek and Boy Scout Troop 209 camping overnight at Doe Canyon.  Meet Jurek on Sunday at Maggie’s to man the aidstation

Radio operator Abel Hurtado will ride in from Sunol on Sunday morning with equipment, departing at 8:00am.

Others will run/hike in to the aid station on Sunday morning, beginning early enough to be on site by 10:00am.

Supplies to be delivered on Saturday.

Schlieper Rock Aid Station

(5.35 mile hike/run from Del Valle)

Open 11:15am - Close 5:00pm

  • Bob Agazzi (L)
  • Dan O’Farrell (L)
  • Denise Basso (S)
  • Shawn Benham (XL)
  • Kreig Harmon (XL) - EMT

Radio: Dick Gorringe (WA6STR) (L)

Volunteers begin hiking in from Del Valle at 8:00am.

Radio operator Dick Gorringe will ride in from Sunol on Sunday morning departing at 8:00am.

Supplies to be cached on Saturday.


Stromer Spring Aid Station

(2.0 mile hike/run from Del Valle)

Open 11:30am - Close 5:30pm


  • Deanna Stemm (S)
  • Evan Paul (L)
  • Noe Castanon (L)
  • Thomas Heinzel (M)
  • Julie Zach (from Laurel Loop!)
  • Steve Shultis (XL) 

Radio: Aaron McClure (WD0FAA)

Hike or ride in with ranger at 9:30, be on hand at aid station closing to reload ranger vehicle.  Ride or hike out at your option.

Supplies to be delivered on Sunday by Ranger, will depart Del Valle around 9:30.  It is possible to ride up to the location with the ranger.

Ranger will return at 6:30pm to retrieve supplies and volunteers hike out.

Finish Line (early shift)

Del Valle

9:00am - 2:00pm

  • Leslie Carboni (S)
  • Karen Campbell (S)
  • Helmut Roesner (M)
  • Eileen Vosti (M)
  • Lauren Vigliotti (S)
  • John Vonhof (?)

Radio: Dave  McBrayer (N6OJJ) (L)

Radio: Larry Loomer (KI6LNB)

Location is Lichen Bark Picnic Area at Del Valle Regional Park, Livermore.

Volunteers be on site by 9:00am.

The Early Shift volunteers at the finish line will be responsible for setting up the finish line, stuffing the goody bags for the runners, getting the BBQ set up and going, assisting runners as they finish, and generally doing what ever needs to be done.

American Red Cross Bay Area Chapter - Stationary Unit - 11:00am until 7:00pm



9:00am - 7:00pm (approx.)

  • Anil Vaidya (M)
  • Erich England (L)
  • Sarah Meadows (S)
  • Daniel Klisch (M)
  • Jonathan Goernhardt (L)
  • Jay England (S)

The best BBQ chefs this side of Del Valle.

Finish Line (late shift)

1:00pm - 7:00pm (approx.)

  • Vladimir Gusiantnikov (M)
  • Diane Peterson (L)
  • Buzz Higgins (M)
  • Marie Chavez (M)

The Late Shift volunteers at the finish line will be responsible for keeping the BBQ running, assisting runners as they finish, and remaining on hand to help clean up and pack/load the equipment into the truck after the last runners and the  sweep team have arrived.

Post Race clean up [Pleasanton]

(Monday, May 20)

  • Jerry Roninger (L)
  • Stan Jensen
  • Famida Hanif-Weddle (M) 

Post race clean-up will take place at 9:30am Monday morning at Jim Bahl’s house, 6251 Corte Fuego, Pleasanton.

Unload Truck and Organize Race Supplies [San Rafael]

(Monday, May 20, 2:00pm)

  • Jerry Roninger
  • Stan Jensen

Meet at BAUR storage locker in San Rafael to unload truck and organize supply storage.

Locker  is located on the west end of the Richmond-San Rafael Bridge. If you're coming from the East Bay, take the very first exit (labeled "San Quentin exit") which will put you on East Francisco Blvd.  It is another 1/4 mile on the right.  Enter 2167 E Francisco Blvd, San Rafael, CA.  We are in unit 6001, in the very back.

Volunteers from prior years:

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