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1:10 half marathon pace

A 1:10 half marathon is 3:19/km (5:20/mi), 18.1 km/h.

Distance
Half marathon finish times around your target, in 30 seconds steps
ChangeTimePace
−2:001:08:003:135:11
−1:301:08:303:155:14
−1:001:09:003:165:16
−0:301:09:303:185:18
Your target
/km
+0:301:10:303:205:23
+1:001:11:003:225:25
+1:301:11:303:235:27
+2:001:12:003:255:30
Pace and speed

Arrow keys nudge the value. Hold Shift for bigger steps.

Finish times at 3:19 per km

Finish time at this pace for each distance
DistanceFinish time
1K3:19
1 mile5:20
5K16:35
10K33:11
10 miles53:24
Half marathon1:10:00
Marathon2:20:00
50K2:45:54

Splits for a 1:10 half marathon

Even pace all the way
Splits per km
kmSplitElapsed
13:193:19
23:196:38
33:199:57
43:1913:16
53:1916:35
63:1919:54
73:1923:14
83:1926:33
93:1929:52
103:1933:11
113:1936:30
123:1939:49
133:1943:08
143:1946:27
153:1949:46
163:1953:05
173:1956:24
183:1959:43
193:191:03:02
203:191:06:22
213:191:09:41
Final 0.098 km0:191:10:00
Splits per mile
MileSplitElapsed
15:205:20
25:2010:41
35:2016:01
45:2021:22
55:2026:42
65:2032:02
75:2037:23
85:2042:43
95:2048:03
105:2053:24
115:2058:44
125:201:04:05
135:201:09:25
Final 0.109 mi0:351:10:00

What a 1:10 half marathon predicts

Estimate
Estimated times at other distances (Riegel formula)
DistanceEstimated time
5K15:13
10K31:44
10 miles52:32
Marathon2:25:57

These are estimates from the Riegel formula, T2 = T1 × (D2 ÷ D1)^1.06. They assume you’ve trained for the other distance, so treat them as a guide, not a promise.

Under 1:10, the half is one long threshold effort

Sub-1:10 is a fast club-level time. The race sits close to your threshold for over an hour, so training leans on threshold sessions and long tempo runs on top of steady weekly volume.

At this speed, carbohydrate is rarely what limits you; pacing and threshold fitness are. If you take a drink or gel, practise taking it without breaking stride.

Go out on pace, not ahead of it. The first 5 km of a half feel easy at almost any speed.

Pace questions runners ask

What pace do I need for a 1:10 half marathon?
A 1:10 half marathon is 3:19/km (5:20/mi), 18.1 km/h, held for the whole race.
What treadmill speed is 1:10 half marathon pace?
Set the treadmill to 18.1 km/h or 11.2 mph to run 3:19/km (5:20/mi).
Where should I be at halfway in a 1:10 half marathon?
With even pacing you pass halfway in 35:00; with a negative split, a little later.
What does a 1:10 half marathon predict for other distances?
The Riegel formula estimates 15:13 for the 5K, 31:44 for the 10K, 52:32 for the 10-mile race, 2:25:57 for the marathon, assuming you’ve trained for each distance.