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About RaceIndexOur methodologyData coverageCyclingTriathlon

Flattest relays

The flattest relays, ranked from trusted raw-elevation route profiles across 65 qualifying races.

Ranking current as of

Which race ranks first — and why is it Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet)?

Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) leads this ranking on flat grade share (100.0%).

Compare Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) vs ZeroWind Romeo&Giulietta Run Half Marathon (Verona)

#RaceFlat grade shareAscentClimb densityDescentNet elevationMax absolute gradeAs of
1Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay - florida100.0%39 m0.2 m/km40 m-1 m1.7%
2ZeroWind Romeo&Giulietta Run Half Marathon (Verona) Relay - italy96.7%55 m2.6 m/km42 m12 m7.3%
3Mississippi River Marathon Relay - mississippi96.4%36 m1.7 m/km36 m0 m6.1%
4Wizz Air Milano Marathon Relay - italy93.7%145 m3.4 m/km136 m9 m6.2%
5Vienna City Marathon Relay - austria93.3%118 m2.8 m/km108 m11 m6.6%
6JSRC RunAPalooza (Asbury Park Half Marathon) Relay - new-jersey93.3%130 m3.1 m/km128 m2 m9.5%
7Tirol läuft (Innsbruck) Relay - austria93.1%50 m3.3 m/km52 m-2 m5.6%
8SPAR Budapest Marathon Relay - hungary92.6%188 m4.5 m/km182 m5 m15.5%
9Palmetto Relay /200 (Columbia) - south-carolina91.4%993 m3.1 m/km1,106 m-112 m16.1%
10Spurs Austin International Half (fka 3M Half Marathon) Relay - texas90.6%42 m2.0 m/km143 m-101 m8.1%
11Haspa Marathon Hamburg Relay - germany90.4%155 m3.7 m/km155 m0 m5.5%
12YMCA Harrisburg Marathon, Half, and Relay Presented by Enders Insurance - pennsylvania90.3%176 m4.2 m/km176 m-0 m11.8%
13Run Rome The Marathon Relay - italy90.3%135 m3.2 m/km144 m-9 m9.9%
14DICK'S Sporting Goods Pittsburgh Marathon Relay - pennsylvania90.2%154 m3.6 m/km154 m0 m12.0%
15Mein Freiburg Marathon Relay - germany89.9%105 m5.0 m/km104 m1 m6.2%
16Bari Med Marathon Relay - italy89.0%97 m4.6 m/km99 m-3 m6.3%
17Belfast City Marathon Relay - northern-ireland88.2%177 m4.2 m/km198 m-22 m5.4%
18Mercy Health Glass City Marathon Relay - ohio88.0%195 m4.6 m/km191 m4 m6.9%
19Stuttgart-Lauf Relay - germany86.7%100 m4.7 m/km100 m-1 m9.8%
20Red, White and Blue Half Marathon - Shreveport Relay - louisiana85.9%61 m4.7 m/km61 m0 m7.7%
21TBK Bank Quad Cities Marathon Relay - iowa85.7%180 m4.3 m/km185 m-5 m9.0%
22Marathon Vert Rennes Relay - france85.6%192 m4.6 m/km191 m1 m7.8%
23Greifenseelauf Uster Relay - switzerland85.4%108 m5.1 m/km90 m18 m7.8%
24Toulouse Métropole Run Experience Relay - france84.8%209 m5.0 m/km219 m-10 m8.5%
25NN Night Run Ostrava Relay - czechia83.7%51 m5.1 m/km54 m-3 m4.9%
26Helsinki City Marathon Relay - finland82.4%226 m5.4 m/km220 m6 m8.3%
27Generali Genève Marathon Relay - switzerland82.3%183 m4.3 m/km236 m-53 m9.0%
28Energa Gdańsk Maraton Relay - poland80.6%224 m5.3 m/km226 m-1 m7.8%
29Kettle Moraine 100 Endurance Runs Relay - wisconsin78.6%1,034 m6.4 m/km1,034 m-0 m16.3%
30Rimi Riga Marathon Relay - latvia77.6%273 m6.5 m/km272 m1 m20.5%
31Capital City River Run Relay - michigan76.3%140 m6.7 m/km141 m-1 m7.3%
32FirstEnergy Akron Marathon Relay - ohio73.4%350 m8.3 m/km355 m-6 m13.8%
33Büchl Éjszakai Félmaraton (Győr) Relay - hungary72.6%144 m6.8 m/km143 m1 m7.2%
34Milton Keynes Marathon Relay - south-east70.5%318 m7.5 m/km320 m-2 m7.8%
35Marathon des Alpes-Maritimes Nice-Cannes Relay - france70.4%308 m7.3 m/km310 m-2 m11.8%
36Med City Marathon, presented by ActivePT (Rochester, MN) Relay - minnesota68.9%319 m7.6 m/km397 m-78 m14.3%
37Flying Pig Marathon Relay - ohio68.6%424 m10.0 m/km427 m-4 m32.4%
38NN Ultrabalaton Relay - hungary67.4%2,073 m9.9 m/km2,074 m-1 m25.0%
39Rochester Regional Health Flower City Half Marathon Relay - new-york67.3%200 m9.5 m/km201 m-0 m16.6%
40Maine Marathon (Portland) Relay - maine67.3%357 m8.5 m/km358 m0 m15.5%
41Mankato Marathon Relay - minnesota66.8%423 m10.0 m/km484 m-61 m20.3%
42Mississippi Blues Marathon Relay - mississippi65.3%401 m9.5 m/km399 m2 m10.2%
43Cedar Rapids Marathon Relay - iowa63.8%454 m10.8 m/km455 m-1 m15.8%
44Sparkassen-Phoenix-Halbmarathon Dortmund Relay - germany63.6%205 m9.7 m/km205 m-1 m8.8%
45Spokane River Run Relay - washington59.3%925 m18.5 m/km925 m0 m25.9%
46Course de l'Escalade (Genève) Relay - switzerland58.3%91 m11.8 m/km96 m-4 m10.9%
47Lean Horse Ultra Marathon Relay - south-dakota56.8%1,791 m11.1 m/km1,781 m10 m26.2%
48Mount Desert Island Marathon, Half & Relay - maine55.5%526 m12.5 m/km527 m-1 m18.7%
49Reims Champagne Run Relay - france50.1%1,343 m15.4 m/km1,333 m9 m21.0%
50Vltava Run Relay - czechia48.8%5,230 m13.9 m/km6,136 m-906 m25.9%
51Lake Tahoe Marathon Relay - nevada46.7%1,912 m16.5 m/km1,939 m-27 m44.7%
52Highland Fling Race (Milngavie) Relay - scotland37.2%1,939 m22.8 m/km1,758 m181 m29.5%
53Telekom Vivicittá (Budapest) Relay - hungary36.2%114 m19.0 m/km113 m1 m14.3%
54Endurancelife Classic Quarter (Cornwall Coastal Ultra) Relay - south-west35.6%1,916 m27.1 m/km1,884 m31 m45.0%
55Columbia Gorge Marathon Relay - oregon35.6%434 m20.6 m/km434 m0 m25.6%
56Fjordkraft Bergen City Marathon Relay - norway35.4%389 m18.5 m/km388 m1 m24.1%
57Foot Levelers Blue Ridge Marathon Relay - virginia35.2%1,523 m36.1 m/km1,523 m0 m92.0%
58NipMuck Trail Marathon Relay - connecticut34.4%878 m20.7 m/km863 m15 m29.4%
59Haulin' Aspen Trail Race Relay - oregon33.6%747 m17.7 m/km780 m-33 m19.7%
60Tecumseh Trail Marathon (Tecumseh Trail Challenge), Nashville Indiana Relay - indiana32.8%1,196 m23.9 m/km1,195 m0 m24.5%
61Adamant Half Marathon Relay - vermont31.1%459 m21.8 m/km472 m-13 m15.6%
62Queen Bee Half Marathon (Cincinnati) Relay - ohio26.9%146 m22.7 m/km164 m-17 m16.8%
63Unicaja Ultra Sierra Nevada Relay - spain13.9%3,953 m39.5 m/km2,529 m1,423 mUnavailable
64Sljemenski Maraton (Zagreb) Relay - croatia13.6%2,187 m52.1 m/km2,188 m-1 m54.7%
65Tenerife Bluetrail by UTMB Relay - spain12.7%2,437 m51.8 m/km3,185 m-748 m70.4%
3
Mississippi River Marathon Relaymississippi
Flat grade share
96.4%
Ascent
36 m
Climb density
1.7 m/km
Descent
36 m
Net elevation
0 m
Max absolute grade
6.1%

As of

4
Wizz Air Milano Marathon Relayitaly
Flat grade share
93.7%
Ascent
145 m
Climb density
3.4 m/km
Descent
136 m
Net elevation
9 m
Max absolute grade
6.2%

As of

5
Vienna City Marathon Relayaustria
Flat grade share
93.3%
Ascent
118 m
Climb density
2.8 m/km
Descent
108 m
Net elevation
11 m
Max absolute grade
6.6%

As of

7
Tirol läuft (Innsbruck) Relayaustria
Flat grade share
93.1%
Ascent
50 m
Climb density
3.3 m/km
Descent
52 m
Net elevation
-2 m
Max absolute grade
5.6%

As of

8
SPAR Budapest Marathon Relayhungary
Flat grade share
92.6%
Ascent
188 m
Climb density
4.5 m/km
Descent
182 m
Net elevation
5 m
Max absolute grade
15.5%

As of

9
Palmetto Relay /200 (Columbia)south-carolina
Flat grade share
91.4%
Ascent
993 m
Climb density
3.1 m/km
Descent
1,106 m
Net elevation
-112 m
Max absolute grade
16.1%

As of

11
Haspa Marathon Hamburg Relaygermany
Flat grade share
90.4%
Ascent
155 m
Climb density
3.7 m/km
Descent
155 m
Net elevation
0 m
Max absolute grade
5.5%

As of

13
Run Rome The Marathon Relayitaly
Flat grade share
90.3%
Ascent
135 m
Climb density
3.2 m/km
Descent
144 m
Net elevation
-9 m
Max absolute grade
9.9%

As of

15
Mein Freiburg Marathon Relaygermany
Flat grade share
89.9%
Ascent
105 m
Climb density
5.0 m/km
Descent
104 m
Net elevation
1 m
Max absolute grade
6.2%

As of

16
Bari Med Marathon Relayitaly
Flat grade share
89.0%
Ascent
97 m
Climb density
4.6 m/km
Descent
99 m
Net elevation
-3 m
Max absolute grade
6.3%

As of

17
Belfast City Marathon Relaynorthern-ireland
Flat grade share
88.2%
Ascent
177 m
Climb density
4.2 m/km
Descent
198 m
Net elevation
-22 m
Max absolute grade
5.4%

As of

19
Stuttgart-Lauf Relaygermany
Flat grade share
86.7%
Ascent
100 m
Climb density
4.7 m/km
Descent
100 m
Net elevation
-1 m
Max absolute grade
9.8%

As of

22
Marathon Vert Rennes Relayfrance
Flat grade share
85.6%
Ascent
192 m
Climb density
4.6 m/km
Descent
191 m
Net elevation
1 m
Max absolute grade
7.8%

As of

23
Greifenseelauf Uster Relayswitzerland
Flat grade share
85.4%
Ascent
108 m
Climb density
5.1 m/km
Descent
90 m
Net elevation
18 m
Max absolute grade
7.8%

As of

25
NN Night Run Ostrava Relayczechia
Flat grade share
83.7%
Ascent
51 m
Climb density
5.1 m/km
Descent
54 m
Net elevation
-3 m
Max absolute grade
4.9%

As of

26
Helsinki City Marathon Relayfinland
Flat grade share
82.4%
Ascent
226 m
Climb density
5.4 m/km
Descent
220 m
Net elevation
6 m
Max absolute grade
8.3%

As of

27
Generali Genève Marathon Relayswitzerland
Flat grade share
82.3%
Ascent
183 m
Climb density
4.3 m/km
Descent
236 m
Net elevation
-53 m
Max absolute grade
9.0%

As of

28
Energa Gdańsk Maraton Relaypoland
Flat grade share
80.6%
Ascent
224 m
Climb density
5.3 m/km
Descent
226 m
Net elevation
-1 m
Max absolute grade
7.8%

As of

30
Rimi Riga Marathon Relaylatvia
Flat grade share
77.6%
Ascent
273 m
Climb density
6.5 m/km
Descent
272 m
Net elevation
1 m
Max absolute grade
20.5%

As of

31
Capital City River Run Relaymichigan
Flat grade share
76.3%
Ascent
140 m
Climb density
6.7 m/km
Descent
141 m
Net elevation
-1 m
Max absolute grade
7.3%

As of

34
Milton Keynes Marathon Relaysouth-east
Flat grade share
70.5%
Ascent
318 m
Climb density
7.5 m/km
Descent
320 m
Net elevation
-2 m
Max absolute grade
7.8%

As of

37
Flying Pig Marathon Relayohio
Flat grade share
68.6%
Ascent
424 m
Climb density
10.0 m/km
Descent
427 m
Net elevation
-4 m
Max absolute grade
32.4%

As of

38
NN Ultrabalaton Relayhungary
Flat grade share
67.4%
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

40
Maine Marathon (Portland) Relaymaine
Flat grade share
67.3%
Ascent
357 m
Climb density
8.5 m/km
Descent
358 m
Net elevation
0 m
Max absolute grade
15.5%

As of

41
Mankato Marathon Relayminnesota
Flat grade share
66.8%
Ascent
423 m
Climb density
10.0 m/km
Descent
484 m
Net elevation
-61 m
Max absolute grade
20.3%

As of

42
Mississippi Blues Marathon Relaymississippi
Flat grade share
65.3%
Ascent
401 m
Climb density
9.5 m/km
Descent
399 m
Net elevation
2 m
Max absolute grade
10.2%

As of

43
Cedar Rapids Marathon Relayiowa
Flat grade share
63.8%
Ascent
454 m
Climb density
10.8 m/km
Descent
455 m
Net elevation
-1 m
Max absolute grade
15.8%

As of

45
Spokane River Run Relaywashington
Flat grade share
59.3%
Ascent
925 m
Climb density
18.5 m/km
Descent
925 m
Net elevation
0 m
Max absolute grade
25.9%

As of

47
Lean Horse Ultra Marathon Relaysouth-dakota
Flat grade share
56.8%
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

49
Reims Champagne Run Relayfrance
Flat grade share
50.1%
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

50
Vltava Run Relayczechia
Flat grade share
48.8%
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

51
Lake Tahoe Marathon Relaynevada
Flat grade share
46.7%
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
Columbia Gorge Marathon Relayoregon
Flat grade share
35.6%
Ascent
434 m
Climb density
20.6 m/km
Descent
434 m
Net elevation
0 m
Max absolute grade
25.6%

As of

58
NipMuck Trail Marathon Relayconnecticut
Flat grade share
34.4%
Ascent
878 m
Climb density
20.7 m/km
Descent
863 m
Net elevation
15 m
Max absolute grade
29.4%

As of

59
Haulin' Aspen Trail Race Relayoregon
Flat grade share
33.6%
Ascent
747 m
Climb density
17.7 m/km
Descent
780 m
Net elevation
-33 m
Max absolute grade
19.7%

As of

61
Adamant Half Marathon Relayvermont
Flat grade share
31.1%
Ascent
459 m
Climb density
21.8 m/km
Descent
472 m
Net elevation
-13 m
Max absolute grade
15.6%

As of

63
Unicaja Ultra Sierra Nevada Relayspain
Flat grade share
13.9%
Ascent
3,953 m
Climb density
39.5 m/km
Descent
2,529 m
Net elevation
1,423 m
Max absolute grade
Unavailable

As of

64
Sljemenski Maraton (Zagreb) Relaycroatia
Flat grade share
13.6%
Ascent
2,187 m
Climb density
52.1 m/km
Descent
2,188 m
Net elevation
-1 m
Max absolute grade
54.7%

As of

65
Tenerife Bluetrail by UTMB Relayspain
Flat grade share
12.7%
Ascent
2,437 m
Climb density
51.8 m/km
Descent
3,185 m
Net elevation
-748 m
Max absolute grade
70.4%

As of

65 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 Flat grade share. 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 (66)

Read the full methodology →

Common questions

What is the flattest relays?

Daytona 100 Ultramarathon (Jacksonville Beach to Ponce Inlet) Relay ranks first by flat grade share, from 65 qualifying races compared under our published methodology.