Where did the 2018 NCS track finalist come from

Here is a break down of which league in the boys from the top 8 at NCS MOC came from out of the Redwood Empire regionals.
NBL 11
MCAL 11
SCL 2
HDN 0

NBL 11
5 Ramirez, Severin 11 Maria Carrillo 11.03 -1.3
4 Ramirez, Severin 11 Maria Carrillo 22.18 -0.4
5 De La Torre, Camer 12 Maria Carrillo 15.06 -1.3
3 Glascock, Brayden 11 Santa Rosa 39.45
— Maria Carrillo FS 400 R
3 Maria Carrillo 3:19.34
6 Jikoiono, Waisea 12 Montgomery 6-04.00
2 Plattus, Cooper 11 Maria Carrillo 14-09.00
5 Laiwa-McKay, Kalathan 11 Ukiah 48-01.00
4 Davison, Samuel 10 Cardinal Newman 147-11.00
7 McCamish, Scott 12 Santa Rosa 146-00.00

SCL 2
6 Vargas, Jonathan 12 Piner 9:26.46
— Fricker, Jack 12 El Molino DNS 300IH

HDN 0
none

MCAL 11
2 Glasser, Max 12 Marin Catholic 21.66 -0.4
1 Glasser, Max 12 Marin Catholic 47.41
6 Neghasi, Mesgne 12 Tamalpais 1:55.25
7 Pompili, Nicco 11 Sir Francis Drake 1:55.61
1 Anderson, Liam 11 Redwood 4:11.43
5 Kabbara, Munir 12 San Rafael 4:15.05
8 McCarthy, Cooper 11 Sir Francis Drake 4:21.42
1 Anderson, Liam 11 Redwood 9:06.24
8 Reuter, Gabriel 11 Sir Francis Drake 9:29.40
6 Mispagel, Landon 11 Justin Siena 15.39 -1.3
6 Marin Catholic 43.61

Here is a break down of which NCS regionals the boys from the top 8 at NCS MOC came from.

Tri Valley 71/112 63%, 71 top 8 with 112 automatic qualiers
Bayshore 29/112 26%
Redwood Empire 24/112 21%
Class A 4/48 8%

Some of the kids in the final 8 were not automatic qualifers but got there by marks not in top 7 at regionals.

Breakdown of regionals
Class A 4/48 8%
5 Mann, Kheva 12 Sonoma Academy 1:55.10
7 Laidlaw, Sean 12 Lick-Wilmerding 4:21.04
6 Trask, Bryson 11 Lower Lake 47-08.00
5 Hall, Colton 12 Middletown 147-03.00

Redwood Empire 24/112 21%
5 Ramirez, Severin 11 Maria Carrillo 11.03 -1.3
2 Glasser, Max 12 Marin Catholic 21.66 -0.4
4 Ramirez, Severin 11 Maria Carrillo 22.18 -0.4
1 Glasser, Max 12 Marin Catholic 47.41
6 Neghasi, Mesgne 12 Tamalpais 1:55.25
7 Pompili, Nicco 11 Sir Francis Drake 1:55.61
1 Anderson, Liam 11 Redwood 4:11.43
5 Kabbara, Munir 12 San Rafael 4:15.05
8 McCarthy, Cooper 11 Sir Francis Drake 4:21.42
1 Anderson, Liam 11 Redwood 9:06.24
6 Vargas, Jonathan 12 Piner 9:26.46
8 Reuter, Gabriel 11 Sir Francis Drake 9:29.40
5 De La Torre, Camer 12 Maria Carrillo 15.06 -1.3
6 Mispagel, Landon 11 Justin Siena 15.39 -1.3
3 Glascock, Brayden 11 Santa Rosa 39.45
— Fricker, Jack 12 El Molino DNS
6 Marin Catholic 43.61
— Maria Carrillo FS
3 Maria Carrillo 3:19.34
6 Jikoiono, Waisea 12 Montgomery 6-04.00
2 Plattus, Cooper 11 Maria Carrillo 14-09.00
5 Laiwa-McKay, Kalathan 11 Ukiah 48-01.00
4 Davison, Samuel 10 Cardinal Newman 147-11.00
7 McCamish, Scott 12 Santa Rosa 146-00.00

Bayshore 29/112 26%
1 Archie, Armauni 11 El Cerrito 10.89 -1.3
2 Ajose, Femi 12 San Leandro 10.89 -1.3
3 Smith, Ramir 12 Alameda 10.96 -1.3
3 Ajose, Femi 12 San Leandro 21.98 -0.4
5 Smith, Ramir 12 Alameda 22.39 -0.4
6 Archie, Armauni 11 El Cerrito 22.44 -0.4
3 Proctor, Reece 12 Piedmont 1:52.64
3 Craft, Jaelen 11 Newark Memorial 14.79 -1.3
7 Cordova, Joaquin 11 Newark Memorial 15.66 -1.3
1 Craft, Jaelen 11 Newark Memorial 38.35
6 McCormack, Lorcan 12 Northgate 40.44
7 Porter, Matthew Da 12 Arroyo 40.89
— El Cerrito DNF
4 Fields, Austin 12 Castro Valley J6-05.00
1 Quimson, Brandon 12 Irvington 15-01.00
3 Slakey, Thomas 12 Moreau Catholic J14-05.00
1 Clemons, Malcolm 10 St. Mary’s 24-04.50
4 Morales, Antoine 11 St. Mary’s 22-00.00
6 Washington, Jeremy 12 San Leandro 21-04.25
8 Boyd, Laprel 12 Hayward 20-10.50
2 Clemons, Malcolm 10 St. Mary’s 46-08.50
3 Jhutty, Tegbir 12 Kennedy-Fremont 45-07.50
4 Raman, Sidarth 11 Mission San Jose 45-05.00
5 Nguyen, Brian 12 Irvington 45-00.00
8 Tansimore, Evan 12 James Logan 44-01.00
1 Betchart, Nicholas 12 Washington 57-01.00
3 Navalta, Neil 12 James Logan 53-00.00
4 Singh, Vedparkash 12 James Logan 48-03.00
8 Kyriacou, Jonathan 11 Bishop O’Dowd 144-08.00

Tri Valley 71/112 63%
4 Kresley, Austin 10 Northgate 10.98 -1.3
7 Song, Ethan 12 Dougherty Valley 11.08 -1.3
6 Harts III, Willie 11 Pittsburg 11.04 -1.3
8 Davis Jr., Titin 12 Pittsburg 11.15 -1.3
1 Reynolds, Cameron 11 Clayton Valley 21.58 -0.4
7 Weidinger, Timothy 11 Las Lomas 22.57 -0.4
8 Davis Jr., Titin 12 Pittsburg 31.14 -0.4
2 Reynolds, Cameron 11 Clayton Valley 47.56
3 Bland, Nico 12 Las Lomas 48.24
4 Weetman, Elijah 11 Amador Valley 49.00
5 Lowe, Justin 11 Clayton Valley 49.23
6 Duncan, Miles 12 DeLaSalle 49.31
7 Sheppard, Elijah 12 Monte Vista 49.72
8 Benjamin, Bryson 12 Clayton Valley 50.22
1 Charvet, Jett 12 Heritage 1:51.69
2 Poynter, Bobby 12 California 1:52.46
4 Boyle, Aidan 11 Amador Valley 1:54.61
8 Heinlein, Jake 11 College Park 1:55.81
2 Middleton-Pearson, 10 Dublin 4:12.15
3 Schroeder, Adrian 12 Dublin 4:13.95
4 Norris, Preston 11 Las Lomas 4:14.85
6 Cook, Dylan 11 College Park 4:20.99
2 Bennett, John 12 Granada 9:09.69
3 Livingston, Connor 11 DeLaSalle 9:13.84
4 Scomparin, Loic 11 Dublin 9:24.89
5 Phanse, Gaurav 12 Dublin 9:25.08
7 Sullivan, Russell 11 Foothill 9:28.31
1 Williams, Xavier 12 Heritage 14.68 -1.3
2 Barcenas, Troy 12 Dublin 14.79 -1.3
4 Davis, Donald 11 Dublin 14.87 -1.3
8 Michiels, Jean-Pet 12 Northgate 16.68 -1.3
2 Barcenas, Troy 12 Dublin 39.37
4 Pierce, Teaun-Tr’e 12 Pittsburg 39.93
5 Zhou, John 12 Amador Valley 40.42
1 DeLaSalle 41.98
2 Pittsburg 42.20
3 Clayton Valley 42.72
4 Heritage 43.03
5 Antioch 43.31
1 Clayton Valley 3:15.87
2 Las Lomas 3:17.16
4 Amador Valley 3:19.64
5 Monte Vista 3:20.19
6 DeLaSalle 3:23.91
7 California 3:25.13
8 Northgate 3:27.31
1 Hicks, Daylon 11 Clayton Valley 6-08.00
2 Michiels, Jean-Pet 12 Northgate 6-06.00
3 Lott, Marshall 11 California 6-05.00
5 Michiels, Graham 12 Northgate J6-05.00
7 Pierce, Teaun-Tr’e 12 Pittsburg J6-04.00
8 Mckelvy, Nick 12 Antioch J6-04.00
4 James, Jonah 11 Amador Valley J14-05.00
5 Strand, Kevin 12 Monte Vista J14-05.00
6 Palmer, Gavin 12 Heritage 14-01.00
7 Arsala, Ilyaas 12 California J14-01.00
8 Cooke, Shane 12 San Ramon Valley 13-07.00
2 Pierce, Teaun-Tr’e 12 Pittsburg 23-01.00
3 Smith, Keaziah 11 Acalanes 22-02.50
5 Turner, Jordyn 10 Liberty 21-05.00
7 Larrea, Giovanni 11 Freedom 21-03.75
1 Pierce, Teaun-Tr’e 12 Pittsburg 47-06.75
6 Lott, Marshall 11 California 44-07.25
7 Hoffman, Matthew 11 Monte Vista 44-04.00
2 Nall, Ryan 12 Acalanes 55-02.00
7 Nelson, Chris 12 Pittsburg 47-07.00
8 Aramboles, Calel 10 California S 47-01.00
1 Maka, John 11 Pittsburg 168-08.00
2 Silverthorn, Mark 12 Granada 150-10.00
3 Kimball, Andrew 12 Campolindo 148-03.00
6 Nall, Ryan 12 Acalanes 147-01.00