50 km en 100 km: HoHo 100

Een winterse wedstrijd op een parcours door Schothorst in Amersfoort waar snelle tijden mogelijk zijn. Met als afstanden een 50 km, 100 km en 100 mijl. De 100 mijl wordt veel gebruikt als Spartathlon kwalificatie wedstrijd. Maar ook op de 50 en 100 km wordt snel gelopen. Martijn Klaasse liep in 2025 3.04.10 op de 50 km en Hans de Frel 7.13.29 op de 100 km. Het parcoursrecord op de 100 km staat op 6.56.31. De 100 km start om 10.30 uur en de 50 km om 14.30 uur. De tijdslimieten zijn ruim met respectievelijk 20 en 16 uur.

Van de website:

Maximum number of participants: 200 in total
Contact: info@run033.nl
Race Director: Mark van Hoorn

Course
The course is officially measured by the Dutch Athletics Federation.

The start-up round of the 100 Miles has a length of 1,670.65 meters. After the start-up round you have to accomplish 43 full rounds of 3,703.81 meters.

The start is of the 100 Kilometers is at the finish line. You have to accomplish 27 full rounds of 3,703.81 meters. Then the total distance will be 100.00287 kilometers. So, the course will be 2.87 meters too long.

The start-up round of the ½ 100 Kilometers (=50 Kilometers) has a length of 1,850.47 meters. After the start-up round you have to accomplish 13 full rounds of 3,703.81 meters.

The course has no mentionable altitude meters. The course is not traffic-free. Mainly bikes and scooters will be on the course and sometimes a lost car. The underground is mixed: tartan track, asphalt and small cobblestones.

Click on the map to go to afstandmeten.nl to see the course in more detail. The start of the 100 Miles is at the “A” on the map. The finish is at the F, which is also the start of the 100 Kilometers. The start-up round of the ½ 100 Kilometers (=50 Kilometers) is at the ‘B” on the map.

Spartathlon qualifier
The HoHo-100 can be used as a qualification for the Spartathlon. The subscription period for the Spartathlon mostly ends at the end of February. The Spartathlon website has not been yet updated for the edition of 2026. For the edition of 2025 the qualifying times were:

Finish a 100-mile race in 21:00 hours (men) or 22:00 hours (women).
Athletes who perform at least 25% better within one of the CRITERIA mentioned in chapter 2 will be AUTOMATICALLY QUALIFIED. Adjustment by HoHo-100: This means for the 100 Miles 15:45 hours (men) or 16:30 hours (women).
There should be 5 finishers at least
Participation fees

Early Bird Regular Late Bird
till November, 2 from November, 3 till December, 31 from January, 1 till January, 23
100 Miles € 50 € 60 € 70
100 Kilometers € 45 € 55 € 65
½ 100 Kilometers (= 50 Kilometers) € 40 € 50 € 60
What is included in the participation fee?
Officially measured course
Electronic timing (including lap times)
Toilets, dressing rooms and showers
A sports canteen where your supporter(s), if you have any, can shelter warmly
A sports canteen where your supporter can warmup some food for you
A spot around start/finish where you can put your own food and drinks
The organisation provides also some food:
Bread between 12:00 and 14:00hours
Soup with meat or vegetarian (starting around 18:00 hours and the continually to the end of the race
Pasta with meat or vegetarian, between 18:00 and 20:00 hours
Tea and Coffee
Water, Coca Cola, bars, bananas also available
No Sports drinks, because we see at other ultra events that ultra runners mainly use their own sports drinks
Basic Medical Support

Prize money
For the women and men there is prize money for the first three finishers:

100 Miles: € 200, € 150 and € 100
100 Kilometers: € 100, € 75 and € 50
½ 100 Kilometers: (= 50 Kilometers): € 50, € 37,5 and € 25
We will transfer the price money to your bank account.

The first three finishers will also get a trophy just after their finish.
Participants started at the 100 Miles can stop after 100km. Their results will be published at DUV Statistik. But these participants can’t win any prize money and trophy. The same for participants started at the 100 Kilometers and stopping at 50 Kilometers.

Exact times
If you need an exact time measurement for the 50 miles or 100 kilometers you have to request that in advance with a good substantiation. A good example of a good good substantiation is if you want to try to break a national record. If not requested, we will calculate it.

Accessibility
Amersfoort is located in the centre of the Netherlands. And is easily accessible by train, car and bus.
By train you can reach the Amersfoort train station within 40 minutes from Amsterdam airport (Schiphol).

Hotel suggestions
Hotel vd Valk – 8min by car to the start/finish (situated in one of the suburbs of Amersfoort)
Hotel Campanille – 10min by car to the start/finish (situated in one the suburbs of Amersfoort)
NH Hotels – 12min by car to the start/finish (situated in centre of Amersfoort)
B&B’s in and around Amersfoort