Harrier Fall XC Coaches

John Darrow

Coach Darrow has coached the boys and girls cross-country and track teams at Notre Dame School in Clarendon Hills since 2009.  Ten of his Notre Dame cross-country teams have qualified for the IESA State Championship meet, winning multiple State trophies.  Notre Dame has placed in the top ten teams in State on six occasions, including two IESA State Championships.  He has also coached 17 individual qualifiers for the State meet. His teams have won four IESA Sectional Championships. Notre Dame competes in the Suburban Parochial League (SPL).  During Coach Darrow’s tenure, his teams have won 15 SPL XC Championships and 15 SPL Track Division championships.  On the individual level, he has coached one individual IESA State Champion, 14 All-State runners, 12 SPL XC individual champions, and 8 SPL Track Athletes of the Year.  In 2020, Coach Darrow received the ITCCCA Distinguished Middle School Coach Award, a lifetime achievement recognition awarded by the Illinois Track & Cross Country Coaches Association.

Jeannie Sullivan

Jeannie has been a competitive runner on the track, roads, and cross country for over 30 years. Her love of running began in middle school in southeastern Michigan by default when she got cut from the basketball team but then broke the gym class 8th grade mile school record. In high school, she quickly became one of the top cross country runners in the State and competed in all track distance events. She continued her career at the University of Michigan earning a 2nd team All-Big Ten Conference award in XC and academic All-American awards in indoor/outdoor track and XC, ultimately finishing her collegiate career in 2002 as XC team captain with a team Big Ten Conference Championship, regional team runner-up, and top 15 team placement in the NCAA. She continued sub-elite post-collegiate road racing for the Impala Racing Team in San Francisco and now DW Running in Chicago where a recent highlight was placing 4th in the State of Illinois in the 2018 Chicago Marathon.

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Steve Driscoll 

Coach Driscoll teaches 7th grade ELA and has coached the girls and boys' cross country teams at Gurrie Middle School in La Grange since 2006. Gurrie joined the IESA in 2011 and has since coached nine state qualifying teams, nine All-State finishers, and won four State trophies in the past five years. His approach is to “teach the sport and coach the person”. Culture, teamwork, and progress are the foundation of his philosophy with a focus on fun. He believes that cross country training is the groundwork for all sports and encourages young athletes to embrace stamina, speed, recovery, strength and nutrition training for life-long health.​​​​

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Ryan Jaskiewicz

Ryan Jaskiewicz brings a wealth of experience and passion for running to the West Suburban Harriers. His running journey began earnestly in 2007 with the Chicago Marathon, and he has since participated in well over 15 marathons, including a personal best of 2:26 in Berlin in 2022. Ryan’s dedication to the sport is evident in his personal records, with a 5K best of 15:07 and a half marathon time of 69:17. In 2024, he won the USATF Masters Indoor National Championship in the 3000m with a time of 8:56, achieved at age 40. He continues to compete and improve with the DWRunning Elite Team.Ryan focuses on fostering a supportive team environment, emphasizing consistent training, proper technique, and mental strength. His goal is to help each athlete achieve their personal best while developing a lifelong love for running. Outside of his running achievements, Ryan is a devoted father of three and the founder of a finance company. He is eager to share his knowledge and enthusiasm with the West Suburban Harriers, inspiring and guiding young runners on their athletic journeys.

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Kate DeProsperis

Kate has been an active figure in the Illinois running community for more than 30 years as both an athlete and coach.  Kate competed for Lyons Township in both cross country and track and field, earning All-State and Junior Olympic All-American honors through the 4 x 800 meter relays.  She ran cross country and track and field at the University of Notre Dame focusing on middle distance.  She sought further running challenges, and after college signed up for a marathon. Over the span of 20 years of post-collegiate road racing, Kate gradually dropped over an hour from her debut marathon and qualified for her first U.S. Marathon Olympic Trials in 2012 in Houston, TX.  Kate was the only Illinois woman to compete at the 2012 Olympic Marathon Team Trials.  After taking a hiatus to have children she came back to run two more Olympic Trials Qualifiers and competed in the 2020 U.S. Marathon Olympic Trials in Atlanta, GA, as a mom and masters runner (over 40 years old).  Kate has retired from competitive running and takes joy in coaching athletes using her experiences to help others achieve their running goals.  Kate has more than 10 years of coaching experiences and carries USATF Level 1 Run Coach and SafeSport Certifications.​​

Jason Wagner

Jason Wagner has been a competitive endurance athlete for 35 years.  A product of Joe Newton’s Long Green Line, the legendary York High School cross-country and track coach and 1988 Olympic middle-distance coach, Jason is a 2x IHSA State cross-country champion (Top-7 member of ’91 and ’92 squads).  Other athletic achievements include: All-American status for cycling at the University of Wisconsin in 1998, rank 11th in the US;  12x American Birkebeiner cross-country ski finisher;  12x Chicago Marathon finisher;  1x Boston Marathon finisher; and 1x Ironman Wisconsin finisher.  Jason is currently the XC Coordinator at St. Francis Xavier and has been part of Coach John Mulholland’s cross-country and track programs for the past 7 years as an Assistant Coach.  ‘Coaching today’s generation of young runners is just a small way to say Thank You to all the great coaches and athletes that were such a positive influence on my endurance activities and successes.’​​​​

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Peter Soung

Peter began running in 2009, embracing the journey as an adult-onset runner. Over the years, he has developed a passion for endurance events, completing 14 marathons along with numerous half marathons, 10Ks, and 5Ks. In the past five years, Peter has taken a more focused approach to training, working with coaches from Microcosm Running to enhance performance and achieve personal goals. This dedication has not only improved his own running but also deepened his understanding of effective training methodologies. Peter has discovered both personal and professional benefits through running and is eager to help others tap into these same rewards. He is an active member of the Chicago running community, regularly volunteering at local Parkrun events and major Chicago races. He's currently exploring a leadership role within the Chicago Area Runners Association (CARA). Outside of running, Peter is a co-founder of Sprout Social, a public software company based in Chicago, and a proud dad of two daughters.

Grace Mayer

Grace began running at Lagrange Highlands and continued at Lyons Township High School in both cross country and track. Fun fact: She was one of the first female competitors in the Distance Night Special Olympics in Palatine. She is now coaching cross country at Gurrie, and her work at Peak Running has also given her a wealth of knowledge about the sport. Grace hopes to run a half-marathon in the near future.

Caroline Darrow

Caroline has helped coach the Harriers since 2021. Growing up, she ran for Notre Dame School where she led the first girls team in school history to the IESA State meet, earning SPL All-Conference and IESA All-Sectional honors. Caroline competed on the cross-country and track teams at Fenwick High School, before transitioning to team manager following injuries. She is a recent graduate of the University of Notre Dame and is currently pursuing a Masters of Arts in Public Policy and Administration at Northwestern University. For the past four years, Caroline has been active working for Kesem, an organization dedicated to supporting children whose parents have been impacted by cancer. She is excited to continue coaching the Harriers!

Sophie Abitz

Sophie is a junior at Hinsdale Central where she competes on the cross country and track teams.  Sophie joined the West Suburban Harriers in 6th grade and has participated every year since. She is a graduate of Clarendon Hills Middle School, where she ran both track and cross country. Sophie is super excited to be back coaching this year!

Kate Borho

Kate began running track and cross country at St. Pius X in 5th grade and is currently a freshman at Willowbrook High School. She competed at the IESA State Championship three years in a row. Kate earned 5th place in state for Class A in both 7th and 8th grade. Kate was a member of the St. Pius X cross country team, earning the title of Class A State Champions in 2023 and Class A State Runner-Up in 2024. Kate also plays basketball and volleyball and was awarded All-Conference for volleyball in 8th grade. Kate represented the West Suburban Harriers at CCCNYC two years in a row, earning top 25 her 8th grade year. She also represented West Suburban Harriers at Detweiller at Dark in Peoria, earning top 25 in her division. Kate has always enjoyed her Harriers seasons and she is looking forward to coaching in the fall season

Kevin DeBoni

Kevin isa freshman at Benet Academy and competes for both their cross country and track teams. Kevin’s passion for running began in 5th grade at St. Isaac Jogues running both cross country and track.  He was on their 2023 state qualifying team for the IESA State Championship.  Kevin has been a member of the West Suburban Harriers since 2023 and began coaching for the Junior Harriers this summer.  

Kathy Gu

Kathy is a junior at Hinsdale Central High School. She has been participating in both cross country and track since middle school, and she will be on the Varsity track team and Junior Varsity cross country team this year. Kathy loves cheering on her teammates during meets, and can’t wait to do the same for the Harriers runners!

Will Heintskill

Will resides in Hinsdale, where he attended Monroe Elementary and Clarendon Hills Middle School.  He is currently a senior at Hinsdale Central, where he competes on the cross-country and track teams.  As a freshman, he placed 8th at the West Suburban Silver fresh-soph conference championship. Will began running cross-country in sixth grade at CHMS and continued there through eighth grade.  Will joined the West Suburban Harriers in 2021.

Kate Lowe

Kate began running in 6th grade at CHMS where she participated on both the XC and Track & Field teams.  She has participated in Harriers yearly since 6th grade and returned this summer as a Junior Harriers coach. She is excited to continue coaching the Harriers this fall. Kate is currently a freshman at Hinsdale Central High School where she runs both XC and Track & Field.  

Claire Sigmund

Claire is a junior at Nazareth Academy where she is a member of both the XC and track teams. She started her running career in middle school and currently holds the 400m school record at Clarendon Hills Middle School. Claire was a member of Nazareth’s 4x800m state qualifying relay in 2024 and was a qualifier at both the Illinois Indoor Championships and the IHSA state meet in the 400m in 2025. Claire is excited to coach with the Harriers!

Ella Satre

Ella is a junior at Hinsdale Central High School. Ella has qualified for the IHSA cross country state meet for the past two years. She participates in both varsity track and cross country, specializing in distance races. Ella loves being a part of the Harriers program and is excited to help coaching this fall!

Jane Shannon

Jane is  a junior at Benet Academy this fall. She has run cross country and track and played basketball for Benet. She went to Notre Dame School, where she ran both cross country and track from 5th to 8th grade. She is excited to coach Harriers again this fall!

Natalie Sullivan

Natalie is a sophomore at Hinsdale Central where she competes on the cross country and track teams.  She is a graduate of CHMS where she competed in cross country for 3 seasons as one of the top runners in her grade. She also enjoys running the 100M hurdles and 400M during track season. In addition to running, Natalie is in her 5th year of competitive dance with Impact Dance Studio, enjoys being part of the CHMS musicals, and volunteers with the Junior Board of the Clarendon Hills chapter of the Infant Welfare Society of Chicago.

Claire Twohy

Claire Twohy is currently a freshman at York High School. She is a graduate of Immaculate Conception Grade School, where she competed in both cross country and track for all four years. Claire earned SPL all-conference honors in cross country for three consecutive years (6th-8th grade) and qualified for the IESA state meet in her 7th and 8th grade seasons. She holds the school record in the 1600m run. Claire loved being a West Suburban Harrier and is excited to coach this fall!

Elsa Voight

Elsa is a sophomore at Hinsdale Central.  She is a graduate of Clarendon Hills Middle School where she competed in cross country and track. She has been a part of the West Suburban Harriers club since summer of 2021. In addition to running, Elsa also enjoys dancing competitively and participates in a number of school and community activities, such as the National Charity League. She loves running and is looking forward to helping out with coaching.