John & Jessie Kelley Half Marathon
John & Jessie Kelley Half Marathon race day weather
Warm start, adjust pace wisely
Runners will face a warm start at 70°F, rising to 75°F by the finish, with high humidity at 95% making conditions feel more intense. A steady headwind will challenge runners from miles 2-4 and 13-14, while a brief tailwind from miles 9-10 may provide relief. It's crucial to pace conservatively early on and consider hydration strategies to combat the humidity.
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John & Jessie Kelley Half Marathon route and elevation
The John & Jessie Kelley Half Marathon course has about 289 ft (88 m) of climbing and 293 ft (89 m) of descent, and finishes near the elevation it starts. It is hillier than 72% of the half marathon courses racecast.io has mapped, measured by what the hills cost in time. The hardest mile is mile 10, with 74 ft (23 m) of climbing.
Biggest climbs
- Miles 0.7 to 1.2: climbs about 55 ft (16 m).
- Miles 5.3 to 7: climbs about 65 ft (20 m).
- Miles 9.5 to 10.2: climbs about 70 ft (22 m).
What the hills cost
- 1:45 on a flat course is about 1:45:45 here (45 seconds slower).
- 2:00 on a flat course is about 2:00:50 here (50 seconds slower).
- 2:15 on a flat course is about 2:15:55 here (55 seconds slower).
Hills only, priced mile by mile on the course map. The pace calculator above adds the race-day weather.
Even-effort splits for a 1:45, 2:00 or 2:15 finish
| Mile | Climb | Descent | 1:45 | 2:00 | 2:15 |
|---|---|---|---|---|---|
| 1 | 51 ft | 17 ft | 8:14 | 9:24 | 10:35 |
| 2 | 19 ft | 45 ft | 7:51 | 8:59 | 10:05 |
| 3 | 6 ft | 15 ft | 7:55 | 9:02 | 10:11 |
| 4 | 32 ft | 6 ft | 8:09 | 9:20 | 10:30 |
| 5 | 3 ft | 22 ft | 7:53 | 9:00 | 10:07 |
| 6 | 56 ft | 0 ft | 8:25 | 9:38 | 10:50 |
| 7 | 27 ft | 18 ft | 8:02 | 9:10 | 10:19 |
| 8 | 6 ft | 24 ft | 7:53 | 9:01 | 10:08 |
| 9 | 18 ft | 39 ft | 7:52 | 8:59 | 10:08 |
| 10 | 74 ft | 35 ft | 8:17 | 9:29 | 10:39 |
| 11 | 32 ft | 51 ft | 7:53 | 9:00 | 10:08 |
| 12 | 1 ft | 48 ft | 7:47 | 8:53 | 9:59 |
| 13 | 8 ft | 12 ft | 7:56 | 9:04 | 10:13 |
| Last 0.1 | 0 ft | 1 ft | 0:53 | 1:01 | 1:08 |
Explore the John & Jessie Kelley Half Marathon course with the weather and your pace along the route, or compare it with other races.
About the John & Jessie Kelley Half Marathon
The John & Jessie Kelley Half Marathon is a 13.1-mile road race held on the first Saturday of August in New London, Connecticut, and is free to enter. The measured loop starts and finishes at Ocean Beach Park and runs on paved roads through New London and Waterford, with views of Long Island Sound, rural stretches, a commercial stretch in Waterford and a long hill at the eight-mile mark. Runners are asked to bring a food donation for the Gemma E. Moran United Way/Labor Food Center. The 2026 race was the 64th annual edition.