To give you an idea the last sportives I did was 64 miles, 3400ft climbing and went fairly hard. Took 3hr 40mins…and that was about 255 TSS. 350 is heck of a lot especially for 100km
To give you an idea the last sportives I did was 64 miles, 3400ft climbing and went fairly hard. Took 3hr 40mins…and that was about 255 TSS. 350 is heck of a lot especially for 100km