Please assess the completion status of the following clinical trial:

Trial Title: A Group-Based Walking Study Using WeChat to Enhance Physical Activity Among Older Adults

Study Design Characteristics:
- Allocation: RANDOMIZED
- Intervention Model: PARALLEL
- Observational Model: None
- Primary Purpose: PREVENTION
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 2.0

Eligibility Criteria:
Inclusion Criteria:~* Participants who are 60 or older who have a cellphone, with either android or iPhone system with data plan.~* They must be fit enough to walk for at least 20 minutes at a time.~* English speaking~Exclusion Criteria:~* Unable to walk more than 20 minutes;~* do not have smart phone with data plan.~* younger than 60

- Gender: ALL
- Minimum Age: 60 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- Control Condition (Type: EXPERIMENTAL): Participants only saw their own daily walking steps using the WeRun function in WeChat. They did not use WeChat to see other group members' daily steps and did not engage in social contact with their group members.
- Treatment condition (Type: EXPERIMENTAL): Participants saw their own and other group member's daily walking steps using the WeRun function in WeChat and they were able to contact the other members of their group using We Chat.

Based on this trial design, predict the completion outcome and termination type (if applicable).