Half Marathon Benchmarks for Women in Their 40s
Women in their 40s are often at their peak half marathon performance on an age-adjusted basis. This is a highly competitive masters group, and the WMA standards show how serious the benchmarks are relative to world records for this age group.
Quick answer: For women age 40–49 running the Half Marathon, a 60% age-grade (“Local Class”) at age 40 is 1:49:08. A 70% Regional Class performance is 1:33:33, requiring easy pace 8:37/mi, threshold 6:54/mi. These benchmarks are from WMA (World Masters Athletics) 2025 standards.
Women Half Marathon Times — Ages 40–49
| Age | Recreational 50% | Local Class 60% | Regional 70% | National 80% |
|---|---|---|---|---|
| 40 | 2:10:58 9:59/mi | 1:49:08 8:19/mi | 1:33:33 7:08/mi | 1:21:51 6:15/mi |
| 45 | 2:16:10 10:23/mi | 1:53:28 8:39/mi | 1:37:16 7:25/mi | 1:25:06 6:29/mi |
What each level means
- National Class (80–89%) — Competitive at national masters championships. Requires serious, structured training over years.
- Regional Class (70–79%) — Strong age-group placements at regional races. Consistent training with quality sessions.
- Local Class (60–69%) — Competitive in local races. Solid fitness from regular running and some structured training.
- Recreational (below 60%) — Running for fitness and enjoyment. Most runners start here.
Training paces by performance level
The training paces below are derived from each WMA benchmark time. If you are running at 70% age-grade, these are the training zones that produce and maintain that performance level.
| Age | Level | Time | Easy | Threshold | Interval |
|---|---|---|---|---|---|
| 40 | Local Class | 1:49:08 | 9:45 | 7:41 | 6:43 |
| Regional Class | 1:33:33 | 8:37 | 6:54 | 6:03 | |
| National Class | 1:21:51 | 7:43 | 6:17 | 5:32 | |
| 45 | Local Class | 1:53:28 | 10:07 | 7:56 | 6:56 |
| Regional Class | 1:37:16 | 8:52 | 7:06 | 6:13 | |
| National Class | 1:25:06 | 7:58 | 6:28 | 5:41 |
All paces per mile. Training paces derived from the WMA benchmark time for each age and performance level.
Training at this age and distance
Half marathon training for women in their 40s works best with one threshold session and one long run per week, spaced with full easy days between. Threshold sessions (22–30 minutes at threshold pace) are the race-specific quality. Long runs to 13–14 miles at easy pace build the endurance base. Recovery management is more important than adding sessions.
Calculate your exact age-graded score
Enter your race time below to see your precise WMA age-graded percentage and where you fall relative to these benchmarks.
Population benchmarks are starting points
WMA age-grading tells you how your time compares to world-record standards for your age group. StrideIQ goes further — it tracks your individual efficiency trends, recovery patterns, and adaptation curves from your actual training data. At any age, knowing your population percentile is the beginning. Understanding your personal response to training is what drives real improvement.
Common questions
What is a good Half Marathon time for women in their 40s?
Using WMA age-grading standards, a 40-year-old woman running 1:49:08 scores 60% ("Local Class"). A 70% "Regional Class" performance at that age is 1:33:33. These benchmarks are derived from world-record data for each age group, not population averages.
What training paces should women in their 40s use for Half Marathon training?
The right training paces depend on your current fitness. At 70% age-grade (1:33:33 for a 40-year-old), your training zones are: Easy 8:37/mi, Threshold 6:54/mi, Interval 6:03/mi. At 60% age-grade (1:49:08): Easy 9:45/mi, Threshold 7:41/mi. Use the calculator below to find your exact paces.
How does Half Marathon performance change through the 40s?
WMA data shows a gradual performance decline with each decade — typically two to five percent per five years for most distances. The age factors in the table above account for this and allow fair comparison across ages. Consistent training often offsets age-related decline significantly. Many runners in their 40s who train with structure outperform their unstructured earlier years on an age-adjusted basis.
Other demographic benchmarks
Data source: Alan Jones 2025 WMA Road Age-Grading Tables, approved by USATF Masters Long Distance Running Council (January 2025). Training paces derived from the Daniels/Gilbert oxygen cost equations using each WMA benchmark time as input.