Here's a list of the Carmarthen Harriers 'Top 10' Welsh Rankings during the 2021 Track & Field Season (May - September 2021) (33 athletes).
Thanks to Hedydd Davies for the document.
Under 13 Girls: Amelia Williams 1500m 5:17.90 (Neath - 11 August)
Under 13 Girls: Beatrice Morgan 70m Hurdles 12.15 (Neath - 11 August)
Under 13 Girls: Chloe Thomas Shot 8.20m (Carmarthen - 28 August)
Under 13 Girls: Summer Evans Javelin 26.48m (Carmarthen - 28 August)
Under 15 Girls: Elli May Williams 100m 12.81 (Cardiff - 15 August)
Under 15 Girls: Megan Williams 800m2:26.18 (Carmarthen - 28 August)
Under 15 Girls: Carys Wood 3000m 11:47.57 (Cardiff - 14 August)
Under 15 Girls: Luned Defis High Jump 1.40m (Swansea - 21 August)
Under 15 Girls: Dolly Evans Discus 23.05m (Cardiff - 15 August)
Under 15 Girls: Dolly Evans Javelin 20.52m (Carmarthen - 24 June)
Under 17 Women: Jessica Lee 100m 12.23 (Aberdare - 15 May)
Under 17 Women: Sophia Reid-Thomas 100m 12.86 (Aberdare - 15 May)
Under 17 Women: Jessica Lee 200m 25.40 (Yeovil - 1 May)
Under 17 Women: Jessica Lee Long Jump 5.94m (Swansea - 27 May)
Under 17 Women: Zara Evans Triple Jump 10.48m (Newport - 31 July)
Under 17 Women: Storm Evans Discus 33.28m (Newport - 31 July)
Under 17 Women: Cordelia Walker Javelin 39.18m (Carmarthen - 24 June)
Under 17 Women: Storm Evans Javelin 31.50m (Carmarthen - 24 June)
Under 20 Women: Ellie Loweth 100m 13.13 (Cardiff - 11 July)
Under 20 Women: Ellie Loweth 400m 63.86 (Aberdare - 25 July)
Under 20 Women: Eva Edwards 3000m 10:15.20 (Aberdare - 25 July)
Under 20 Women: Lili Church High Jump 1.75m (Yate - 28 August)
Under 20 Women: Beca Roberts Triple Jump 11.34m (Aberdare - 5 September)
Under 13 Boys: William Coles 1500m 4:52.71 (Millfield - 29 May)
Under 15 Boys: Ifan Bowen 800m 2:14.79 (Carmarthen - 28 August)
Under 15 Boys: Ifan Bowen 1500m 4:30.30 (Millfield - 29 May)
Under 15 Boys: Iwan Thomas 1500m 4:31.38 (Milton Keynes - 5 June)
Under 15 Boys: Iwan Thomas 3000m 9:27.90 (Sportcity - 7 August)
Under 15 Boys: Jake Lynock 3000m 10:08.37 (Cardiff - 14 August)
Under 15 Boys: Ifan Bowen 3000m 10:10.85 (Cardiff - 14 August)
Under 15 Boys: Cai Owen Allan Pole Vault 2.81m (Cardiff - 14 August)
Under 17 Men: Osian Roberts 100m 11.77 (Aberdare - 5 September)
Under 17 Men: Finlay Hayes 400m 53.53 (Newport - 31 July)
Under 17 Men: Frank Morgan 800m 1:56.06 (Carmarthen - 26 May)
Under 17 Men: Frank Morgan 1500m 3:56.15 (Eltham - 18 August)
Under 17 Men: Frank Morgan 3000m 8:27.19 (12 May)
Under 17 Men: Osian Roberts 100m Hurdles 14.28 (Brecon - 3 July)
Under 17 Men: Osian Roberts High Jump 1.95m (Newport - 31 July)
Under 17 Men: Sion O'Keefe Javelin 57.02m (Derby - 25 September)
Under 20 Men: Dafydd Jones 1500m 3:53.09 (Eltham - 14 August)
Under 20 Men: Dafydd Jones 3000m 8:27.83 (Sportcity - 25 June)
Under 20 Men: Dafydd Jones 5000m 14:36.07 (Watford - 12 June)
Under 20 Men: Connor Handford Pole Vault 3.05m (Newport - 4 September)
Under 20 Men: Morgan Batten Shot 11.02m (Swansea - 27 June)
Under 20 Men: Morgan Batten Javelin 48.52m (Newport - 1 August)
Senior Men: Iestyn Williams 800m 1:50.77 (Stretford - 24 August)
Senior Men: Ben Thomas 3000m Steeplechase 9:25.60 (Yate - 28 August)
Senior Men: Aaron Morgan Javelin 57.14m (Yate - 3 July)