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About RaceIndexOur methodologyData coverageCyclingTriathlon

Lowest GAP factor relays

The lowest gap factor relays, ranked from trusted raw-elevation route profiles across 61 qualifying races.

Ranking current as of

Which race ranks first — and why is it Spurs Austin International Half (fka 3M Half Marathon)?

Spurs Austin International Half (fka 3M Half Marathon) leads this ranking on gap factor (-2.3%).

Compare Spurs Austin International Half (fka 3M Half Marathon) vs Generali Genève Marathon

#RaceGAP factorAscentClimb densityDescentNet elevationMax absolute gradeAs of
1Spurs Austin International Half (fka 3M Half Marathon) Relay - texas-2.3%42 m2.0 m/km143 m-101 m8.1%
2Generali Genève Marathon Relay - switzerland-0.3%183 m4.3 m/km236 m-53 m9.0%
3Med City Marathon, presented by ActivePT (Rochester, MN) Relay - minnesota-0.2%319 m7.6 m/km397 m-78 m14.3%
4Belfast City Marathon Relay - northern-ireland-0.1%177 m4.2 m/km198 m-22 m5.4%
5Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay - florida-0.0%39 m0.2 m/km40 m-1 m1.7%
6Palmetto Relay /200 (Columbia) - south-carolina-0.0%993 m3.1 m/km1,106 m-112 m16.1%
7Run Rome The Marathon Relay - italy0.1%135 m3.2 m/km144 m-9 m9.9%
8Mississippi River Marathon Relay - mississippi0.1%36 m1.7 m/km36 m0 m6.1%
9Tirol läuft (Innsbruck) Relay - austria0.1%50 m3.3 m/km52 m-2 m5.6%
10NN Night Run Ostrava Relay - czechia0.1%51 m5.1 m/km54 m-3 m4.9%
11JSRC RunAPalooza (Asbury Park Half Marathon) Relay - new-jersey0.2%130 m3.1 m/km128 m2 m9.5%
12Toulouse Métropole Run Experience Relay - france0.2%209 m5.0 m/km219 m-10 m8.5%
13Bari Med Marathon Relay - italy0.2%97 m4.6 m/km99 m-3 m6.3%
14Haspa Marathon Hamburg Relay - germany0.2%155 m3.7 m/km155 m0 m5.5%
15TBK Bank Quad Cities Marathon Relay - iowa0.2%180 m4.3 m/km185 m-5 m9.0%
16Mein Freiburg Marathon Relay - germany0.2%105 m5.0 m/km104 m1 m6.2%
17Wizz Air Milano Marathon Relay - italy0.3%145 m3.4 m/km136 m9 m6.2%
18DICK'S Sporting Goods Pittsburgh Marathon Relay - pennsylvania0.3%154 m3.6 m/km154 m0 m12.0%
19Vienna City Marathon Relay - austria0.3%118 m2.8 m/km108 m11 m6.6%
20YMCA Harrisburg Marathon, Half, and Relay Presented by Enders Insurance - pennsylvania0.3%176 m4.2 m/km176 m-0 m11.8%
21Mercy Health Glass City Marathon Relay - ohio0.3%195 m4.6 m/km191 m4 m6.9%
22Stuttgart-Lauf Relay - germany0.3%100 m4.7 m/km100 m-1 m9.8%
23Marathon Vert Rennes Relay - france0.3%192 m4.6 m/km191 m1 m7.8%
24Energa Gdańsk Maraton Relay - poland0.3%224 m5.3 m/km226 m-1 m7.8%
25Red, White and Blue Half Marathon - Shreveport Relay - louisiana0.3%61 m4.7 m/km61 m0 m7.7%
26SPAR Budapest Marathon Relay - hungary0.3%188 m4.5 m/km182 m5 m15.5%
27Helsinki City Marathon Relay - finland0.4%226 m5.4 m/km220 m6 m8.3%
28ZeroWind Romeo&Giulietta Run Half Marathon (Verona) Relay - italy0.4%55 m2.6 m/km42 m12 m7.3%
29Capital City River Run Relay - michigan0.5%140 m6.7 m/km141 m-1 m7.3%
30Büchl Éjszakai Félmaraton (Győr) Relay - hungary0.5%144 m6.8 m/km143 m1 m7.2%
31Milton Keynes Marathon Relay - south-east0.6%318 m7.5 m/km320 m-2 m7.8%
32Rimi Riga Marathon Relay - latvia0.6%273 m6.5 m/km272 m1 m20.5%
33Marathon des Alpes-Maritimes Nice-Cannes Relay - france0.6%308 m7.3 m/km310 m-2 m11.8%
34Kettle Moraine 100 Endurance Runs Relay - wisconsin0.6%1,034 m6.4 m/km1,034 m-0 m16.3%
35FirstEnergy Akron Marathon Relay - ohio0.7%350 m8.3 m/km355 m-6 m13.8%
36Greifenseelauf Uster Relay - switzerland0.8%108 m5.1 m/km90 m18 m7.8%
37Mississippi Blues Marathon Relay - mississippi0.8%401 m9.5 m/km399 m2 m10.2%
38Maine Marathon (Portland) Relay - maine0.9%357 m8.5 m/km358 m0 m15.5%
39Mankato Marathon Relay - minnesota0.9%423 m10.0 m/km484 m-61 m20.3%
40Sparkassen-Phoenix-Halbmarathon Dortmund Relay - germany0.9%205 m9.7 m/km205 m-1 m8.8%
41Rochester Regional Health Flower City Half Marathon Relay - new-york1.1%200 m9.5 m/km201 m-0 m16.6%
42Lean Horse Ultra Marathon Relay - south-dakota1.3%1,791 m11.1 m/km1,781 m10 m26.2%
43Vltava Run Relay - czechia1.3%5,230 m13.9 m/km6,136 m-906 m25.9%
44NN Ultrabalaton Relay - hungary1.4%2,073 m9.9 m/km2,074 m-1 m25.0%
45Course de l'Escalade (Genève) Relay - switzerland1.4%91 m11.8 m/km96 m-4 m10.9%
46Cedar Rapids Marathon Relay - iowa1.4%454 m10.8 m/km455 m-1 m15.8%
47Mount Desert Island Marathon, Half & Relay - maine1.5%526 m12.5 m/km527 m-1 m18.7%
48Flying Pig Marathon Relay - ohio1.6%424 m10.0 m/km427 m-4 m32.4%
49Haulin' Aspen Trail Race Relay - oregon2.4%747 m17.7 m/km780 m-33 m19.7%
50Reims Champagne Run Relay - france2.8%1,343 m15.4 m/km1,333 m9 m21.0%
51Lake Tahoe Marathon Relay - nevada3.1%1,912 m16.5 m/km1,939 m-27 m44.7%
52Telekom Vivicittá (Budapest) Relay - hungary3.1%114 m19.0 m/km113 m1 m14.3%
53Queen Bee Half Marathon (Cincinnati) Relay - ohio3.1%146 m22.7 m/km164 m-17 m16.8%
54Fjordkraft Bergen City Marathon Relay - norway3.1%389 m18.5 m/km388 m1 m24.1%
55Adamant Half Marathon Relay - vermont3.6%459 m21.8 m/km472 m-13 m15.6%
56Spokane River Run Relay - washington3.8%925 m18.5 m/km925 m0 m25.9%
57NipMuck Trail Marathon Relay - connecticut4.3%878 m20.7 m/km863 m15 m29.4%
58Columbia Gorge Marathon Relay - oregon4.4%434 m20.6 m/km434 m0 m25.6%
59Tecumseh Trail Marathon (Tecumseh Trail Challenge), Nashville Indiana Relay - indiana5.8%1,196 m23.9 m/km1,195 m0 m24.5%
60Highland Fling Race (Milngavie) Relay - scotland6.1%1,939 m22.8 m/km1,758 m181 m29.5%
61Endurancelife Classic Quarter (Cornwall Coastal Ultra) Relay - south-west8.3%1,916 m27.1 m/km1,884 m31 m45.0%
2
Generali Genève Marathon Relayswitzerland
GAP factor
-0.3%
Ascent
183 m
Climb density
4.3 m/km
Descent
236 m
Net elevation
-53 m
Max absolute grade
9.0%

As of

4
Belfast City Marathon Relaynorthern-ireland
GAP factor
-0.1%
Ascent
177 m
Climb density
4.2 m/km
Descent
198 m
Net elevation
-22 m
Max absolute grade
5.4%

As of

6
Palmetto Relay /200 (Columbia)south-carolina
GAP factor
-0.0%
Ascent
993 m
Climb density
3.1 m/km
Descent
1,106 m
Net elevation
-112 m
Max absolute grade
16.1%

As of

7
Run Rome The Marathon Relayitaly
GAP factor
0.1%
Ascent
135 m
Climb density
3.2 m/km
Descent
144 m
Net elevation
-9 m
Max absolute grade
9.9%

As of

10
NN Night Run Ostrava Relayczechia
GAP factor
0.1%
Ascent
51 m
Climb density
5.1 m/km
Descent
54 m
Net elevation
-3 m
Max absolute grade
4.9%

As of

13
Bari Med Marathon Relayitaly
GAP factor
0.2%
Ascent
97 m
Climb density
4.6 m/km
Descent
99 m
Net elevation
-3 m
Max absolute grade
6.3%

As of

14
Haspa Marathon Hamburg Relaygermany
GAP factor
0.2%
Ascent
155 m
Climb density
3.7 m/km
Descent
155 m
Net elevation
0 m
Max absolute grade
5.5%

As of

16
Mein Freiburg Marathon Relaygermany
GAP factor
0.2%
Ascent
105 m
Climb density
5.0 m/km
Descent
104 m
Net elevation
1 m
Max absolute grade
6.2%

As of

19
Vienna City Marathon Relayaustria
GAP factor
0.3%
Ascent
118 m
Climb density
2.8 m/km
Descent
108 m
Net elevation
11 m
Max absolute grade
6.6%

As of

22
Stuttgart-Lauf Relaygermany
GAP factor
0.3%
Ascent
100 m
Climb density
4.7 m/km
Descent
100 m
Net elevation
-1 m
Max absolute grade
9.8%

As of

23
Marathon Vert Rennes Relayfrance
GAP factor
0.3%
Ascent
192 m
Climb density
4.6 m/km
Descent
191 m
Net elevation
1 m
Max absolute grade
7.8%

As of

24
Energa Gdańsk Maraton Relaypoland
GAP factor
0.3%
Ascent
224 m
Climb density
5.3 m/km
Descent
226 m
Net elevation
-1 m
Max absolute grade
7.8%

As of

26
SPAR Budapest Marathon Relayhungary
GAP factor
0.3%
Ascent
188 m
Climb density
4.5 m/km
Descent
182 m
Net elevation
5 m
Max absolute grade
15.5%

As of

27
Helsinki City Marathon Relayfinland
GAP factor
0.4%
Ascent
226 m
Climb density
5.4 m/km
Descent
220 m
Net elevation
6 m
Max absolute grade
8.3%

As of

29
Capital City River Run Relaymichigan
GAP factor
0.5%
Ascent
140 m
Climb density
6.7 m/km
Descent
141 m
Net elevation
-1 m
Max absolute grade
7.3%

As of

31
Milton Keynes Marathon Relaysouth-east
GAP factor
0.6%
Ascent
318 m
Climb density
7.5 m/km
Descent
320 m
Net elevation
-2 m
Max absolute grade
7.8%

As of

32
Rimi Riga Marathon Relaylatvia
GAP factor
0.6%
Ascent
273 m
Climb density
6.5 m/km
Descent
272 m
Net elevation
1 m
Max absolute grade
20.5%

As of

36
Greifenseelauf Uster Relayswitzerland
GAP factor
0.8%
Ascent
108 m
Climb density
5.1 m/km
Descent
90 m
Net elevation
18 m
Max absolute grade
7.8%

As of

39
Mankato Marathon Relayminnesota
GAP factor
0.9%
Ascent
423 m
Climb density
10.0 m/km
Descent
484 m
Net elevation
-61 m
Max absolute grade
20.3%

As of

42
Lean Horse Ultra Marathon Relaysouth-dakota
GAP factor
1.3%
Ascent
1,791 m
Climb density
11.1 m/km
Descent
1,781 m
Net elevation
10 m
Max absolute grade
26.2%

As of

43
Vltava Run Relayczechia
GAP factor
1.3%
Ascent
5,230 m
Climb density
13.9 m/km
Descent
6,136 m
Net elevation
-906 m
Max absolute grade
25.9%

As of

44
NN Ultrabalaton Relayhungary
GAP factor
1.4%
Ascent
2,073 m
Climb density
9.9 m/km
Descent
2,074 m
Net elevation
-1 m
Max absolute grade
25.0%

As of

46
Cedar Rapids Marathon Relayiowa
GAP factor
1.4%
Ascent
454 m
Climb density
10.8 m/km
Descent
455 m
Net elevation
-1 m
Max absolute grade
15.8%

As of

48
Flying Pig Marathon Relayohio
GAP factor
1.6%
Ascent
424 m
Climb density
10.0 m/km
Descent
427 m
Net elevation
-4 m
Max absolute grade
32.4%

As of

49
Haulin' Aspen Trail Race Relayoregon
GAP factor
2.4%
Ascent
747 m
Climb density
17.7 m/km
Descent
780 m
Net elevation
-33 m
Max absolute grade
19.7%

As of

50
Reims Champagne Run Relayfrance
GAP factor
2.8%
Ascent
1,343 m
Climb density
15.4 m/km
Descent
1,333 m
Net elevation
9 m
Max absolute grade
21.0%

As of

51
Lake Tahoe Marathon Relaynevada
GAP factor
3.1%
Ascent
1,912 m
Climb density
16.5 m/km
Descent
1,939 m
Net elevation
-27 m
Max absolute grade
44.7%

As of

55
Adamant Half Marathon Relayvermont
GAP factor
3.6%
Ascent
459 m
Climb density
21.8 m/km
Descent
472 m
Net elevation
-13 m
Max absolute grade
15.6%

As of

56
Spokane River Run Relaywashington
GAP factor
3.8%
Ascent
925 m
Climb density
18.5 m/km
Descent
925 m
Net elevation
0 m
Max absolute grade
25.9%

As of

57
NipMuck Trail Marathon Relayconnecticut
GAP factor
4.3%
Ascent
878 m
Climb density
20.7 m/km
Descent
863 m
Net elevation
15 m
Max absolute grade
29.4%

As of

58
Columbia Gorge Marathon Relayoregon
GAP factor
4.4%
Ascent
434 m
Climb density
20.6 m/km
Descent
434 m
Net elevation
0 m
Max absolute grade
25.6%

As of

61 qualifying races in this ranking; use the distance catalogue to search the full distance list. Scores are out of 100 when present; route, elevation and cost figures are shown in their natural units.

How we ranked these

Races are ranked by GAP factor. Score metrics use methodology scoring-methodology-v1.0. Elevation rankings use only trusted raw-elevation course profiles. A ranking is only published when at least five races qualify, so the table is never padded with thin data.

See exactly how each figure is calculated →

Route maps for this ranking

How we calculated this

Published facts and derived model outputs on this page are tied to stored sources or a published, version-locked methodology. We show the provenance so runners, coaches and organisers can check it. Data on this page is current as of .

Derived numbers use scoring-methodology-v1.0.

Sources used on this page (62)

Read the full methodology →

Common questions

What is the lowest gap factor relays?

Spurs Austin International Half (fka 3M Half Marathon) Relay ranks first by gap factor, from 61 qualifying races compared under our published methodology.