Did you start handling Team Trials or chasing URA Finale clears with Mejiro Ardan in Umamusume Pretty Derby? If not, this Umamusume Pretty Derby Mejiro Ardan build guide is all yours. We are going to deliver everything beginners need: optimal stats, support decks, inheritance setups, skill priorities, and training strategies tailored for her strengths as a Pace Chaser on Medium Turf races. So, get your Ardan shining on the track today and let’s start.

Mejiro Ardan is built around calm positioning and a powerful late burst. Instead of rushing to the front early, she performs best when staying close behind the leaders, saving energy, and striking hard in the final straight.
Her growth bonuses clearly define how she should be trained:
Strong Wit growth helps maintain stable positioning and improves skill activation. The Speed bonus supports her late surge, making her highly effective in a Pace Chaser role. Since she has no natural growth in Stamina, Power, or Guts, inheritance and support cards should be used to cover those weaknesses.

Here is how her stats scale from Level 1 to 5 stars for an Umamusume Pretty Derby Mejiro Ardan build
|
Stat |
Growth Rate |
Base (Lv 1) |
Max (5 star) |
|---|---|---|---|
|
Speed |
10% |
~92 |
~113 |
|
Stamina |
0% |
~89 |
~109 |
|
Power |
0% |
~89 |
~109 |
|
Guts |
0% |
~80 |
~98 |
|
Wit |
20% |
~100 |
~121 |
|
Category |
Sprint |
Mile |
Medium |
Long |
Stay |
Turf |
Dirt |
|---|---|---|---|---|---|---|---|
|
Distance |
- |
B |
A |
D |
- |
A |
F |
|
Strategy |
- |
- |
- |
- |
- |
- |
- |
|
Leader |
- |
- |
C |
- |
- |
- |
- |
|
Pace Betweener/Chaser |
- |
- |
A |
- |
- |
- |
- |
|
Late Runner |
- |
- |
D |
- |
- |
- |
- |
|
End Closer |
- |
- |
G |
- |
- |
- |
- |
Note: The main focus should always be Mejiro’s A aptitude in Medium distance and Pace Chaser strategy on Turf. Upgrading Medium distance from A to S through inheritance is highly recommended, since reaching S grants a valuable Speed bonus during races.
Avoid forcing her into Long distance or End Closer roles, as those aptitudes are too low to perform consistently.
In an Umamusume Pretty Derby Mejiro Ardan build, her unique skill, A Lifelong Dream, A Moment's Flight, activates during the final straight when a rival is close behind.
When triggered:

This skill defines her finishing power. To maximize its effectiveness, include recovery skills in her build. Extra stamina support ensures the stamina drain does not weaken her during the crucial final moments.
Setting up Mejiro Ardan correctly makes a huge difference in consistency for an Umamusume Pretty Derby Mejiro Ardan build. Her strengths clearly point toward a specific race role and distance. Building around that focus will give stable results in both career and competitive modes.

Inheritance is important to offset Umamusume Pretty Derby Mejiro Ardan build’s flat Stamina/Power growth. You can prioritize blue factors for raw stats and white/green for aptitudes.
Ideal Factors:
|
Color |
Priority Sparks |
Example Parents |
|---|---|---|
|
Blue (Stats) |
9 star Stamina, 9 star Power |
Rice Shower, Manhattan Cafe (high Stamina parents); Mejiro family for synergy |
|
White (Aptitudes) |
3 star Pace Chaser, 3 star Medium, 1 star Mile |
Oguri Cap alts, Agnes Tachyon (Pace/Medium specialists) |
|
Green (Skills) |
Recovery/velocity whites like Race Planner |
Any with Pace Chaser hints |
Pro Tip: Aim for A→S Medium aptitude upgrade (+Speed buff). Use GameTora's affinity calculator for Mejiro family chains (e.g., McQueen/Ryan parents).
Stack 3 Speed cards for Mejiro’s growth, bolster Power for late bursts, and we also recommend you to add Wit/Pal for skill procs.

And this is our recommended deck for Mejiro Ardan build:
|
Slot |
Speed-Power Deck (Meta) |
Speed-Wit Deck (Skill-Heavy) |
Budget Alternatives |
|---|---|---|---|
|
1 (Speed) |
Kitasan Black SSR (S-tier, Curvature) |
Kitasan Black SSR |
SR Sweep Tosho (A-tier) |
|
2 (Speed) |
Sakura Bakushin O SSR |
Fine Motion SSR (Wit hybrid) |
R Speed cards |
|
3 (Speed) |
Nishino Flower SSR |
Yukino Bijin SSR (S Wit) |
Free event SRs |
|
4 (Power) |
El Condor Pasa SSR (S) |
- |
Daitaku Helios SR (S) |
|
5 (Power/Stamina) |
Rice Shower SSR (recovery) |
Curren Chan SSR |
Mejiro Ryan SR |
|
6 (Friend/Pal) |
Super Creek SSR (recovery) |
Riko Kashimoto SR (Pal) |
Any MLB Pal (borrow) |
Make sure to [prioritize 250-400 Wit for procs here and focus gold recovery + Pace Chaser whites.
|
Tier |
Skill Name |
Effect |
Source |
|---|---|---|---|
|
SS |
Race Planner |
Mid-race fatigue recovery (Pace Chaser) |
Awakening Lv3, supports |
|
SS |
Pace Chaser Straightaways ◎ |
Velocity boost on straights |
Gold hints (El Condor) |
|
S |
Pace Chaser Corners ◎ |
Corner velocity (essential for Turf) |
Awakening Lv2 |
|
S |
Swinging Maestro |
Gold recovery alt |
Super Creek SSR |
|
A |
Acceleration - Head On |
Late acceleration |
Career events |
|
Unique |
Triumphant Pulse (inherit) |
Final burst |
Mejiro parents |
Building Mejiro Ardan the right way requires careful stat planning and smart race timing. Since her growth spread is not balanced, every training decision should support her Medium distance Pace Chaser role.

Multi-instance + Sync: Create multiple instance and execute the same operation simultaneously, upgrade your kingdom quickly
Ultra-Wide Screen: Get a full view of the battlefield and seize the strategic opportunities.
Keyboard Mapping: Constructe buildings, place combat units and release skills more convenient and accurately
Landscape: Widen vertical screen by landscape, with a wider field of view and smoother operation for SLG games.
She's a solid Pace Chaser for Medium Turf but skips for top meta unless you need her Unique recovery-velocity combo. So, save for S-tier like Kitasan Black.
Crystalline emphasizes Speed/Wit growth for modern builds; Original leans Stamina; Ballroom boosts Power/Guts for aggressive positioning.
Win Tenno Sho (Autumn) in Senior year. And prioritize Medium training post-Derby to hit the goal race strong.
And that is the end of our Umamusume Pretty Derby Mejiro Ardan build guide. This one rewards precise setups with explosive finishes, shining in Medium Pace Chaser slots. She's not S-tier efficiency like Oguri Cap, but will be viable for fun/meta hybrid teams. So, farm factors now for longevity with our guidance and make sure to claim Umamsume Pretty Derby codes on time too.
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I’ve spent over 6 years exploring MMO, RPG, and Simulation games, breaking down complex mechanics to create guides that make gaming easier and more fun. I am a 24 year old computer science student who love studying computer systems, design patterns, and numerical planning in games as those are my field. Beyond that, I enjoy photography and cinematography in general. For me, sharing knowledge is as rewarding as playing itself
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