Pace is just math
Goal time to pace, pace to finish time. We assume one steady pace and simply divide and multiply.
Pace calculator
Pace per km
5:00/km
- Finish time
- 50:00
- Per mile
- 8:03/mi
- Speed
- 12.0km/h
Split times
| At | Clock |
|---|---|
| 5 km | 25:00 |
| Finish10 km | 50:00 |
Plain arithmetic assuming you hold the same pace from start to finish. Hills, weather and water stops are not included. Times are rounded to the nearest second.
Marathon calendar
Only dates confirmed on the race's official site or by major media. Entry rules and courses can change, so check the official site before you sign up. Past races drop off the list the next day (Korea date).
Korea
MBN Seoul Marathon
Seoul · Half10K no full marathon
Half sold out on Jul 1 · 10K first come, first served from Jul 3
News report ↗
Japan, Asia & Pacific
Singapore Marathon
Singapore · local date · FullHalf10K5K
10K and 5K entry until Oct 31 (or until full) · Marathon and half: limited international slots
Official site ↗Honolulu Marathon
Honolulu, Hawaii, USA · local date · Full10K
Entry 6.2–12.3 · online entry, local dates
Official site ↗Okinawa Marathon
Okinawa, Japan · local date · Full10K
Entry 8.1–12.13 · closes early if full
News report ↗
World Marathon Majors
Cape Town Marathon
Cape Town, South Africa · local date · Full
Entry closed
Confirmed as the 8th Major in June 2026 · charity and travel entries via the official site
Official site ↗Sydney Marathon
Sydney, Australia · local date · Full
Entry closed
A separate mini marathon is also held
Official site ↗