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ohlone50k.com 2001-2012

2010 Credits

Race Directors:  Rob Byrne, Larry England, Helmut Roesner

Founder and Patron Saint:  John Vonhof

Heroes of the East Bay Regional Park District:

  • Tiffany Margulici  - Special events coordinator
  • Kelly Barrington and Thayne Beard - Park Rangers for Mission Peak, Sunol and Ohlone
  • Shelly Miller -  Park Ranger for Del Valle

Artistic Director: Tom Hamel

Culinary Operations Executive:  Tom “The Chef” Hamel

Director of Medical Operations:  Brian Aiello

Generalissimo of Course Marking:  Kirk Boisseree

World Class Course Marking Crew:  Kirk Boiseree (L), Penny Beeston (M), Mike Palmer (M), Philip Stark (S), Joe Swenson(L)

Pre-Race Preparation:  Larry England, Helmut Roesner.

Communications Coordinator:  Dave McBrayer (N6OJJ)

Radio Communications:   Stan Bringer (WA6IRZ), Carl Costa (W6KGO), Jessee Gonzaga (KD6NNA), Dick Gorringe (WA6STR), Able Hurtado (K6ABL), Jeff Martin (KI6MFG), Dave McBrayer (N6OJJ), Chris Musselman (W6ATV)

Race Day Staffing




Pre-Race Prep (Friday, May 21)

  • Monica Brennan (M)
  • Rob Byrne
  • Larry England (L)
  • John Hegstrom (L)
  • Helmut Roesner ()

Meet at Rob’s house (15030 Broadway Terrace, Oakland) at time 9:00am.

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

Pre-Race Course Check

  • Keith Blom (L)
  • Chihping Fu (L)
  • Steve Shultis (XL)

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

Del Valle Park Gate Assistance

  • Noe Castanon (L)
  • Paul McCandless (M)

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

  • Rob Byrne
  • Larry England,
  • Bjorn Hamel (NS)

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

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

Park gate opens at 5:30am.

5:30am - 6:45am

Start Line

6:45am - 8:15am

  • Rob Byrne
  • Chris Byrne
  • Stan Jensen (L)
  • Tom Kaisersatt ()
  • Anil Rao (M)

Volunteers should be on site around 6:30to 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.  Chris will arrive at 6:30 with Start Line supplies as well as supplies for the Laurel Loop aid station.

You will have alphabetical checklists for the runners.  Unlike prior years, you will hand out bib numbers when the 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.


Mobile Logistics, in truck w/ Ranger

  • Larry England



Course Sweeps

7:45am - 6:00pm.

  • Parker Bowman (L)
  • Kevin Burnett (L)
  • Dru Hofsteen (S)
  • Vance Roget ()

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

  • Dan Blong (XL)
  • Juli Chouinard (M)
  • Marco Denson (L)
  • Hollis Lenderking (L)
  • Jolene Lu (S)
  • Lelia Ng (M)
  • Craig Welch (L)

Radio:  Jesse Gonzaga (KD6NNA) (M)

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

For transporting supplies, Marco will bring his Nissan truck, Craig will have his Honda Element, and Dan will drive his CRV-4wd.

After aid station closes, drop supplies in Ryder truck in Sunol Regional Park.

Sunol Aid Station

Open 8:45am - Close 10:45am

  • Todd Anderson EMT (L)
  • Charles Blakeney (M)
  • Dee Bringer (M)
  • Noe Castanon
  • Kristen Dymmel (M)
  • Tim Dymmel (XL)
  • Dorothy Golubski (S)
  • Wini Jebian (M)
  • Suki Martin ()

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.

Backpack Area Aid Station

 (3.37 mile hike/run from Sunol)

Open 9:30am - Close 12:00pm

  • Phil Brown (XL)
  • Susan Kimura (S)
  • Floyd Redmon (L)
  • Dave Scott (L)
  • Kelsey Scott
  • Daryl Stemm (L)
  • Deanna Stemm (S)

Radio:  Able Hurtado (K6ABL) (XL)


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

Vehicle transportation is available for the radio operator and his equipment.  Meet at Sunol at 8:00am to ride in with the ranger and the crew for Maggie’s Half Acre.

Supplies to be cached on Saturday.

Goat Rock Aid Station

(5.85 hike/run from Sunol)

Open 10:00am - Close 1:00pm

  • Eddie Bell (M)
  • Tom Conrad (XL)
  • Ken Howell (XL)
  • Lorri Paulsen (M)
  • Helmut Roesner ()
  • Charles Weston (L)

Ken and Tom are camping at the aid station site on Saturday night.   They will deliver their packs to Larry by Thursday, 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.

Supplies to be cached on Saturday.

Rose Peak Course Monitors

(10.59 mile hike/run from Sunol)

Open 10:30am - Close 3:00pm

  • Dina Brasil (S)
  • Jay Elkerton (XL)
  • Jerry Sappington (XL)

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

  • Rick Corella (L)
  • Kathy Davies (M)
  • Tom Morse (XXL)
  • Mike Myers (XL)
  • Anna Silva (M)
  • Jurek Zarzycki (XL)

Radio: Chris Musselman (W6ATV) (XL)

Tom, Mike and Jurek are camping overnight at Maggie’s.  We will meet at the Sunol ranger station at noon Saturday, to transport their supplies plus Tom, Mike, and Jurek to the site.

The radio dudes (Timothy and Mike), will ride in from Sunol on Sunday morning with their 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.

Chris Musselman to ride in with ranger on Sunday morning - meet at Sunol at 8:00am.

Schlieper Rock Aid Station

(5.35 mile hike/run from Del Valle)

Open 11:15am - Close 5:00pm

  • Bob Agazzi (L)
  • Sibley Bacon (S)
  • John Brennan (M)
  • Monica Brennan (M)
  • John Hegstrom (L)
  • Dan O’Farrell (L)
  • Jim Ottenheimer (L)

Radio: Dick Gorringe (WA6STR) (L)

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

Supplies to be cached on Saturday.

Dick Gorringe to ride in with ranger on Sunday morning - meet at Sunol at 8:00am.

Stromer Spring Aid Station

(2.0 mile hike/run from Del Valle)

Open 11:30am - Close 5:30pm

  • Tim Barlow (XL)
  • Bill Dodson (M)
  • Nick Domich (L)
  • Tony Jankowski (XL)
  • Lara Lewis (M)

Radio: Jeff Martin (KI6MFG) (M)

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 5:30pm to retrieve supplies and volunteers that are not hiking out.

Finish Line (early shift)

Del Valle

9:00am - 2:00pm

  • Brian Aiello EMT (L)
  • Cindy Burnett (XL)
  • Zachary Barnett (S)
  • Chris Byrne
  • Rob Byrne
  • Stan Hajduk ()
  • Tom Hamel ()
  • Dennis Hartley ()
  • Michael McNicholas (L)

Radio: Carl Costa (WK6KGO) (XXL), Dave McBrayer (N6OJJ) (M)


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.

Todd will arrive on site at finish around 9:00-9:30am.

Finish Line (late shift)

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

  • Brian Aiello EMT (L)
  • Chris Byrne
  • Rob Byrne
  • Juli Chouinard
  • Christopher England (M)
  • Erich England (L)
  • Stan Hajduk ()
  • Tom Hamel (L)
  • Dennis Hartley ()
  • Paula Heckler (NS)
  • Michael McNicholas ()
  • Rajeev Patel (M)
  • Diane Petersen (L)

Radio: Carl Costa (WK6KGO) (XXL), Dave McBrayer (N6OJJ) (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.

Juli is also working the Laurel Loop aid station and will come to the finish once her aid station closes.

Diane has signed on as the 2nd shift chef, and will take over cooking duties after Chef Tom departs.

Post Race clean up

  • Rob Byrne
  • Larry England
  • Helmut Roesner
  • Jerry Roninger ()
  • Gary Wang (M)

Post race clean-up will take place at 9:00am Monday, May 24, at Rob’s house in Oakland (15030 Broadway Terrace, Oakland, 94611).

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