Srixon Marathon Flight Speed
The Srixon Marathon Flight Speed is a two-piece, single cover golf ball with 328 dimples, made by Sumitomo Rubber Industries, Ltd. in Japan. Its manufacturer declares low with driver, low with short iron spin. It appears on the R&A and USGA List of Conforming Golf Balls effective 2 September 2026 to 6 October 2026, under identifier RC2025-0616.
What the official list says
- Pole markingsWhat is printed on the two poles of the ball: usually brand and model.
- Marathon Flight Speed
- Seam markingsWhat is printed on the equator: alignment line, number, minor text.
- ◆ Srixon ◆
- Cover colour
- white
- Construction
- two-piece, single cover2P-1c
- Covers
- single cover
- Driver spin
- low
- Short-iron spin
- low
- Spin profile
- low with driver, low with short ironL-L
- Dimples
- 328
- Manufacturer
- Sumitomo Rubber Industries, Ltd.
- Country
- Japan
- Identifier
- RC2025-0616
Data from the List of Conforming Golf Balls (USGA and R&A), edition effective 2 September 2026 to 6 October 2026. The list itself is the only valid source for a ruling. See the official list at The R&A ↗
Frequently asked
Is the Srixon Marathon Flight Speed conforming for competition play?
Yes: it is on the R&A and USGA List of Conforming Golf Balls effective until 6 October 2026. For a ruling, always check the current edition of the official list.
How many pieces does the Srixon Marathon Flight Speed have?
According to the manufacturer it is a two-piece, single cover ball (code 2P-1c on the official list).
How many dimples does the Srixon Marathon Flight Speed have?
328 dimples, as declared by Sumitomo Rubber Industries, Ltd. on the official list.
What is printed on the Srixon Marathon Flight Speed?
On the poles: Marathon Flight Speed. On the equator: Åç Srixon çÅ. Markings identify the ball on the conforming list; the play number does not count as a marking.