Racecast

Seth Schafer

Saginaw Valley (MI) · JR-3 · TVCMI D1 · Compare head to head

Athlete rating 104.6 2022 XC season
Best race 126.0 TF
Races 161
Seasons 9 2014 — 2022

RankedTeam #13 ?

Rating scale ?
Speed rating — all races

Cross Country

XC speed rating

2022 XC 104.6

Saginaw Valley (MI) · Grade JR-3

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2022-09-16 Forest Akers East Golf Course 8000m 27:48.3 154th · 16th on team 104.6 +0.027 SR CSR RSR

2021 XC 109.3

Saginaw Valley State (MI) · Grade So

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2021-11-06 Angel Mounds State Park 10000m 32:52.7 85th · 5th on team 111.9 +0.041 ★PR ★CR SR CSR
2021-10-23 Saginaw Valley State College 8000m 26:37.1 24th · 2nd on team 110.8 +0.038 ★CR CSR
2021-10-09 Lewis University 8000m 26:38.2 92nd · 6th on team 109.8 +0.015 ★CR CSR
2021-09-17 Forest Akers East Golf Course 8000m 26:24.3 43rd · 2nd on team 112.2 +0.027 ★CR SR CSR RSR
2021-09-17 Forest Akers East Golf Course 8000m 26:24.4 46th · 2nd on team +0.027
2021-09-10 Willow Metropark OFFICIAL 8000m 29:10.9 79th · 14th on team 101.6 +0.024 ★CR SR CSR RSR

2019 XC 107.2

Northwood (Mich.) (MI) · Grade FR-1

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2019-10-26 Purdue Northwest 8000m 26:45.8 83rd · 10th on team 104.9 +0.011 ★CR CSR
2019-10-05 EP Tom Sawyer State Park 8000m 26:02.8 250th · 9th on team 109.7 +0.004 ★PR ★CR SR CSR RSR
2019-09-13 Forest Akers East Golf Course 8000m 27:37.6 120th · 3rd on team 106.3 +0.027 PR CR SR CSR
2019-09-07 Fisher Trails - Northwood U 6000m 19:39.6 18th · 5th on team 107.7 +0.000 ★PR ★CR SR CSR RSR

2018 XC 119.6

SHEPHERD MI (MI) · Grade 12

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2018-11-24 UW Parkside 5000m 19:22.2 53rd · 1st on team 111.7 +0.046 ★CR CSR
2018-11-10 Shepherd High School 5000m 17:13.5 49th · 1st on team 121.0 -0.006
2018-11-03 Michigan International Speedway (MIS) 5000m 17:12.3 46th · 2nd on team 120.6 -0.006 ★CR CSR
2018-10-26 Shepherd High School 5000m 16:44.6 7th · 2nd on team 122.4 -0.006 ★PR ★CR SR CSR
2018-10-19 Maple Creek Golf Club 5000m 16:46.9 8th · 1st on team 120.5 -0.028 ★CR CSR
2018-10-16 Freeland's Home Cross-Country Course 5000m 16:51.7 2nd · 1st on team 124.1 -0.000 ★CR R CSR RSR
2018-10-09 Shepherd High School 5000m 17:32.5 3rd · 2nd on team 120.4 -0.006
2018-10-06 Portage West MS 5000m 17:04.2 10th · 1st on team 121.4 -0.003 ★CR CSR
2018-09-29 Shepherd High School 5000m 17:38.3 18th · 4th on team 116.2 -0.006
2018-09-25 Shepherd High School 5000m 17:22.4 2nd · 2nd on team 117.6 -0.006
2018-09-22 Calvin College - Gainey Athletic Complex 5000m 17:46.8 31st · 3rd on team 116.3 -0.002 CSR
2018-09-14 Forest Akers East Golf Course 5000m 17:50.1 35th · 3rd on team 118.5 +0.019 ★CR CSR
2018-09-11 Stratford Woods OFFICIAL 5000m 17:48.8 4th · 2nd on team 117.6 +0.006 CSR
2018-09-05 Shepherd High School 5000m 16:57.2 3rd · 1st on team 123.4 -0.006 CSR
2018-08-29 Saranac HS 5000m 16:45 1st · 1st on team 123.5 +0.013 PR ★CR R SR CSR RSR
2018-08-21 Chippewa Hills HS 5000m 17:52 2nd · 1st on team 118.6 +0.021 ★CR SR CSR RSR

2017 XC 118.0

MOUNT PLEASANT MI (MI) · Grade 11

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2017-11-25 Dannehl XC Course, Univ. of Wisconsin Parkside 5000m 18:31.6 91st · 1st on team 114.6 +0.028 ★CR CSR
2017-11-11 Shepherd High School 5000m 19:01 39th · 1st on team 107.5 -0.006
2017-11-04 Michigan International Speedway (MIS) 5000m 17:16.4 73rd · 3rd on team 118.7 -0.006 CR CSR
2017-10-27 Shepherd High School 5000m 16:55.7 11th · 2nd on team 120.8 -0.006 PR CR SR CSR
2017-10-10 Roberts Park 5000m 16:57.3 3rd · 1st on team 123.4 +0.020 PR ★CR R SR CSR RSR
2017-10-07 Portage West MS 5000m 18:07.2 75th · 4th on team 114.9 -0.003 CSR
2017-09-26 Chesaning Show Boat Park 5000m 17:12.3 3rd · 1st on team 121.2 +0.002 PR ★CR SR CSR
2017-09-12 Stratford Woods OFFICIAL 5000m 17:16 2nd · 1st on team 121.4 +0.006 PR ★CR R SR CSR RSR
2017-08-30 Saranac HS 5000m 17:21.5 4th · 1st on team 120.9 +0.013 PR CR SR CSR RSR
2017-08-22 Chippewa Hills HS 5000m 18:02.2 9th · 2nd on team 116.8 +0.021 CR SR CSR RSR

2016 XC 115.3

Shepherd (MI) · Grade 10

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2016-11-05 Michigan International Speedway (MIS) 5000m 17:43.3 111th · 5th on team 116.4 -0.006 CR CSR
2016-10-21 Pine River Country Club 5000m 19:01.9 33rd · 4th on team 106.7 -0.014 CSR
2016-10-18 Caro Golf Club 5000m 18:11.7 21st · 5th on team 114.6 -0.005 ★CR CSR
2016-10-11 Imerman Park - Heritage Course 5000m 17:36.5 7th · 4th on team 117.8 +0.004 ★CR CSR
2016-10-08 Portage West MS 5000m 17:25 52nd · 4th on team 118.3 -0.003 PR CR SR CSR RSR
2016-09-27 Shepherd High School 5000m 17:32.7 8th · 4th on team 116.3 -0.006 PR CR SR CSR
2016-09-24 Calvin College - Gainey Athletic Complex 5000m 17:37.4 26th · 5th on team 117.9 -0.002 PR ★CR SR CSR
2016-09-16 Forest Akers East Golf Course 5000m 17:55 28th · 3rd on team 118.2 +0.019 PR CR SR CSR RSR
2016-09-13 Carrollton High School 5000m 18:44.3 12th · 5th on team 115.9 +0.067 ★CR CSR RSR
2016-09-07 Shepherd High School 5000m 18:22.3 10th · 5th on team 111.3 -0.006 CR SR CSR RSR

2015 XC 107.3

Shepherd (MI) · Grade 9

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2015-10-31 Manistee National Golf Course 5000m 19:19.9 7th · 5th on team 107.0 +0.001 ★CR CSR
2015-10-23 Pine River Country Club 5000m 17:58.1 25th · 8th on team 113.0 -0.014 PR ★CR SR CSR RSR
2015-10-20 Stratford Woods OFFICIAL 5000m 18:40.8 4th · 4th on team 110.8 +0.006 CR CSR RSR
2015-10-13 Pine River Country Club 5000m 18:58.3 31st · 11th on team 106.6 -0.014 CR CSR
2015-10-03 Allendale HS 5000m 18:36 7th · 2nd on team 108.8 -0.016 PR ★CR SR CSR RSR
2015-09-29 Uncle John's Cider Mill OFFICIAL 5000m 19:10.5 28th · 11th on team 107.5 +0.004 PR ★CR SR CSR RSR
2015-09-18 Forest Akers East Golf Course 5000m 20:12 309th · 3rd on team 102.7 +0.019 CR CSR RSR
2015-08-29 Benzie Central HS 5000m 19:37.7 37th · 7th on team 101.8 -0.016 PR ★CR SR CSR RSR

2014 XC 110.1

Shepherd (MI) · Grade 8

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2014-10-14 Lake of Dreams 3200m 13:34.9 6th · 4th on team 111.7 +0.010 ★CR CSR
2014-10-04 Portage West MS 2500m 10:20 180th · 3rd on team 110.5 -0.012 ★PR ★CR SR CSR
2014-09-27 Chippewa Hills HS 3200m 13:14.9 15th · 4th on team 114.7 +0.002 ★PR ★CR SR CSR
2014-09-23 Hemlock HS 3200m 13:20.3 5th · 3rd on team 115.7 +0.021 PR ★CR R SR CSR RSR
2014-09-20 Delta College OFFICIAL 3218m 13:17.3 21st · 3rd on team 113.1 -0.005 ★PR ★CR R SR CSR RSR
2014-09-09 Stratford Woods OFFICIAL 3200m 14:40.6 15th · 3rd on team 102.8 -0.004 PR ★CR SR CSR RSR
2014-09-03 Uncle John's Cider Mill OFFICIAL 3218m 14:57.2 18th · 4th on team 102.4 +0.008 PR ★CR SR CSR RSR

Track & Field

TF speed rating

2021 TF 105.8

Saginaw Valley State (MI) · Grade Fr

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2021-05-07 GLIAC Outdoor Track & Field Championships 10-km 32:51.39 10th · 2nd on team 104.4 -0.027 ★PR SR
2021-04-24 Elaine Leigh Invitational 5000m 15:35.33 4th · 3rd on team 106.7 -0.027 SR RSR
2021-04-10 Golden Grizzlies Invite 5000m 15:55.83 19th · 2nd on team 106.3 -0.027 SR
2021-03-27 IWU Polar Bear Invitational 2021 1500m 4:14.63 16th · 6th on team 104.9 -0.026 ★PR SR
2021-02-19 Meet results → Men's 3000 Meters 9:03.6 4th · 3rd on team 106.5 ★PR SR RSR

2020 TF 106.6

Northwood (Mich.) (MI) · Grade Fr

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2020-03-01 2020 GLIAC Indoor Track & Field Championships 5000m 15:33.32 14th · 3rd on team 106.6 -0.040
2020-02-14 GVSU Big Meet - Friday 5000m 15:28.76 148th · 3rd on team 107.1 -0.040 ★PR SR
2020-02-08 Hillsdale Wide-Track Indoor Classic 3000m 9:03.23 8th · 3rd on team 107.4 -0.034 RSR
2020-01-25 SVSU "Jet's Pizza" Invitational 3000m 8:57.3 25th · 5th on team 107.3 -0.038 ★PR SR RSR
2020-01-17 GVSU Bill Clinger Indoor Classic 1mile 4:33.34 43rd · 4th on team 105.4 -0.040 ★PR SR
2020-01-10 Grand Valley State Bob Eubanks Indoor Open 3000m 9:02.98 7th · 4th on team 105.9 -0.040 PR SR RSR

2019 TF 119.5

Shepherd (MI) · Grade 12

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2019-06-01 MHSAA LP Finals - Division 3 3200m 9:55.87 9th · 1st on team 126.0 -0.025 ★R RSR
2019-05-25 2019 MITCA Division 3 Team State Meet 1600m 4:39.33 5th · 1st on team 123.5 -0.028 ★PR SR
2019-05-25 2019 MITCA Division 3 Team State Meet 3200m 10:40.16 8th · 1st on team 116.3 -0.028
2019-05-22 TVC Central Final Meet 1600m 4:41.98 1st · 1st on team 121.0 -0.038
2019-05-22 TVC Central Final Meet 3200m 11:02.58 5th · 2nd on team 111.1 -0.038
2019-05-17 MHSAA LP Region 27-3 @ Chesaning 1600m 4:43.07 5th · 1st on team 121.5 -0.029
2019-05-17 MHSAA LP Region 27-3 @ Chesaning 3200m 9:59.41 2nd · 1st on team 124.2 -0.029
2019-05-10 Davison Twilight Classic 1600m 4:41.09 2nd · 1st on team 122.6 -0.031 PR SR
2019-05-10 Davison Twilight Classic 800m 2:11.77 6th · 1st on team 116.5 -0.031 SR
2019-05-08 Shepherd - Bullock Creek @ Alma HS 1600m 4:46.22 1st · 1st on team 121.6 -0.025
2019-05-08 Shepherd - Bullock Creek @ Alma HS 3200m 10:31.6 1st · 1st on team 118.6 -0.025
2019-05-03 2019 Shepherd BLUEJAY Invite 3200m 9:45.5 1st · 1st on team 125.4 -0.038 ★PR R SR RSR
2019-05-01 Shepherd/Freeland @ Swan Valley HS 3200m 10:40.09 2nd · 2nd on team 117.8 -0.018
2019-05-01 Shepherd/Freeland @ Swan Valley HS 1600m 4:47.76 1st · 1st on team 121.3 -0.018
2019-04-18 Ithaca Blue and Gold Invitational 800m 2:16.06 11th · 2nd on team 114.5 -0.014
2019-04-18 Ithaca Blue and Gold Invitational 1600m 4:43.94 7th · 1st on team 123.2 -0.014 PR SR RSR
2019-04-10 Shepherd @ Ithaca Scrimmage 3200m 10:45 1st · 1st on team 117.4 -0.014
2019-04-10 Shepherd @ Ithaca Scrimmage 800m 2:13.06 2nd · 2nd on team 117.2 -0.014 SR
2019-04-06 Freeland Invitational 1600m 4:49.9 1st · 1st on team 119.6 -0.019 SR
2019-04-06 Freeland Invitational 800m 2:13.41 2nd · 1st on team 115.6 -0.019 SR
2019-03-20 SVSU D1 Indoor Invitational 3200m 9:59.31 9th · 1st on team 123.1 -0.038 PR SR RSR
2019-02-16 Grand Valley State MITS Meet - Elite 3200 3200m 10:04.94 23rd · 23rd on team 121.6 -0.040 PR SR RSR
2019-02-09 9th Annual MITS Distance Festival 3200m 10:21.67 43rd · 43rd on team 118.7 -0.038
2019-01-19 SVSU - MITS #3 3200m 10:08.7 21st · 21st on team 121.2 -0.038 PR SR RSR
2019-01-05 Gazelle Sports Elite Meet 1600m 4:52.4 38th · 38th on team 116.3 -0.040 SR RSR
2019-01-05 Gazelle Sports Elite Meet 800m 2:15.32 38th · 38th on team 111.8 -0.040 SR

2018 TF 116.0

Shepherd (MI) · Grade 11

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2018-05-18 MHSAA LP Region 27-3 @ Clare 3200m 10:30.3 5th · 1st on team 118.9 -0.028
2018-05-12 Alma College Scottie Classic 800m 2:11.12 7th · 3rd on team 115.4 -0.037 ★PR SR
2018-05-12 Alma College Scottie Classic 1600m 4:46.21 4th · 1st on team 118.8 -0.037 PR SR
2018-05-09 TVC Shepherd/Freeland/Chesaning/Carrollton 1600m 4:57.45 3rd · 2nd on team 114.9 -0.038
2018-05-04 2018 Shepherd BLUEJAY Invite 3200m 10:19.4 4th · 1st on team 119.9 -0.038 PR SR RSR
2018-05-02 Alma/Chesaning/Shepherd/Standish 1600m 4:51.2 1st · 1st on team 118.4 -0.029 PR SR RSR
2018-05-02 Alma/Chesaning/Shepherd/Standish 800m 2:13.6 3rd · 2nd on team 114.6 -0.029 PR SR
2018-04-25 TVC Bullock Creek/Swan Valley/Chesaning/Shepherd 3200m 10:47.65 2nd · 1st on team 113.9 -0.038
2018-04-25 TVC Bullock Creek/Swan Valley/Chesaning/Shepherd 1600m 5:00.41 3rd · 1st on team 113.3 -0.038
2018-04-20 Ithaca Blue & Gold Invitational 3200m 10:45.6 8th · 1st on team 115.0 -0.029
2018-04-20 Ithaca Blue & Gold Invitational 1600m 4:57.9 11th · 1st on team 114.7 -0.029
2018-04-11 TVC Crossover Shepherd VS Hemlock 3200m 10:57.88 1st · 1st on team 112.0 -0.038
2018-03-21 SVSU D1 Indoor Invitational 3200m 10:25.9 15th · 1st on team 117.7 -0.038 PR SR RSR
2018-02-10 MITS - SVSU #5 Distance Festival 3200m 10:36.92 49th · 48th on team 115.7 -0.038 SR
2018-02-03 MITS - EMU #7 1600m 4:53.74 36th · 12th on team 117.1 -0.039 PR SR RSR

2017 TF 113.3

Shepherd (MI) · Grade 10

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2017-05-30 Mid-Michigan Meet of Champions (Formerly Morning Sun Meet) 3200m 10:41.62 3rd · 1st on team 115.0 -0.037
2017-05-27 MITCA D3 Team State Championship 3200m 10:35.19 5th · 1st on team 116.5 -0.028
2017-05-24 TVC Central Championship 3200m 10:38.24 6th · 2nd on team 115.8 -0.029
2017-05-19 MHSAA LP Regional 27-3 @ Shepherd 3200m 10:27.94 7th · 3rd on team 117.2 -0.038 PR SR RSR
2017-05-13 Alma College Scottie Classic 3200m 10:38.48 8th · 1st on team 115.2 -0.037
2017-05-10 TVC Central Bullock Creek/Shepherd 800m 2:17.89 6th · 4th on team 109.0 -0.038 PR SR
2017-05-10 TVC Central Bullock Creek/Shepherd 1600m 4:58.94 5th · 2nd on team 113.1 -0.038
2017-05-05 2017 Shepherd BLUEJAY Invite 3200m 10:35.48 16th · 4th on team 116.4 -0.038 PR SR RSR
2017-05-03 Carrollton/Chesaning/Shepherd 800m 2:18.24 7th · 5th on team 109.6 -0.029 PR SR
2017-05-03 Carrollton/Chesaning/Shepherd 1600m 4:58.8 6th · 5th on team 114.1 -0.029 PR SR
2017-04-26 TVC Swan Valley/Freeland/Shepherd 3200m 11:02 2nd · 2nd on team 114.4 -0.018 RSR
2017-04-26 TVC Swan Valley/Freeland/Shepherd 1600m 5:03.7 7th · 4th on team 114.4 -0.018 PR SR
2017-04-19 Alma, Standish Sterling, Shepherd now @ Shepherd 1600m 5:06.95 8th · 6th on team 110.2 -0.038 PR SR
2017-04-19 Alma, Standish Sterling, Shepherd now @ Shepherd 3200m 10:49.62 2nd · 2nd on team 113.2 -0.038 SR RSR
2017-04-12 TVC Birch Run/Pinconning/Shepherd 3200m 11:24.74 6th · 5th on team 107.2 -0.038
2017-02-11 MITS - SVSU #4 Distance Fest 3200m 11:01.43 43rd · 42nd on team 111.2 -0.038 SR RSR

2016 TF 110.1

Shepherd (MI) · Grade 9

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2016-05-31 Morning Sun Meet of Champions 3200m 11:06.68 8th · 1st on team 110.8 -0.037
2016-05-25 TVC Central League Meet 3200m 10:53.15 8th · 2nd on team 115.1 -0.019 RSR
2016-05-20 MHSAA LP Regional 27-3 @ Shepherd 3200m 10:55.92 13th · 5th on team 111.6 -0.038
2016-05-14 Alma College Scottie Classic 3200m 11:07.59 12th · 3rd on team 110.8 -0.037
2016-05-11 TVC Central: Shepherd/Chesaning/Freeland 3200m 10:43.06 4th · 4th on team 113.9 -0.038 PR SR
2016-05-06 2016 Shepherd BLUEJAY Invite 3200m 10:43.5 21st · 4th on team 114.5 -0.038 PR SR RSR
2016-05-04 TVC Meet - Shepherd/Alma @ Alma 1600m 5:25.74 7th · 6th on team 106.1 -0.025
2016-05-04 TVC Meet - Shepherd/Alma @ Alma 800m 2:28.01 5th · 4th on team 103.7 -0.025 PR SR
2016-04-29 Falcon Invitational 3200m 10:55.3 7th · 2nd on team 113.7 -0.022 PR SR RSR
2016-04-27 Hemlock/BC/SHEP TVC League Meet 3200m 11:14.79 7th · 3rd on team 110.2 -0.028 PR SR RSR
2016-04-20 TVC Meet Swan Valley/Ovid-Elsie/Shepherd 800m 2:29.9 12th · 5th on team 102.2 -0.018 PR SR RSR
2016-04-20 TVC Meet Swan Valley/Ovid-Elsie/Shepherd 1600m 5:17.3 7th · 4th on team 108.8 -0.018 PR SR RSR

2015 TF 113.0

Shepherd (MI) · Grade 8

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2015-05-21 PW "Last Chance" Invitational 1600m 5:36.05 8th · 1st on team 121.2 -0.026 PR R SR RSR
2015-05-12 TVC Shepherd/Alma/Swan Valley 1600m 5:49.75 4th · 3rd on team 116.1 -0.038 PR SR
2015-04-28 TVC - Shepherd, Breckenridge, St Charles 800m 3:02.47 6th · 5th on team 98.3 -0.038
2015-04-28 TVC - Shepherd, Breckenridge, St Charles 3200m 12:10.46 1st · 1st on team 117.7 -0.038 PR R SR RSR
2015-04-23 Montabella Invitational 3200m 12:37 6th · 4th on team 117.6 -0.012 PR R SR RSR
2015-04-23 Montabella Invitational 1600m 6:03.3 3rd · 3rd on team 114.3 -0.012
2015-04-16 Shepherd MS Scrimmage 1600m 5:57 3rd · 3rd on team 112.1 -0.038 PR SR RSR
2015-04-16 Shepherd MS Scrimmage 800m 2:48.2 4th · 4th on team 107.0 -0.038 PR SR

2014 TF 105.0

Shepherd (MI) · Grade 7

Date Meet Event Result Place Rating Difficulty PR/SR Flags
2014-05-13 TVC Ovid-Elsie, Breckenridge, Shepherd 3200m 13:44.2 5th · 4th on team 106.3 -0.023
2014-05-13 TVC Ovid-Elsie, Breckenridge, Shepherd 1600m 6:42.5 6th · 4th on team 101.4 -0.023
2014-05-06 St. Charles/Shepherd/Alma MS TVC 400m 1:16.54 10th · 3rd on team -0.025 ★PR SR
2014-05-06 St. Charles/Shepherd/Alma MS TVC 3200m 13:05 7th · 4th on team 111.2 -0.025 PR R SR RSR
2014-05-06 St. Charles/Shepherd/Alma MS TVC 1600m 6:38.8 6th · 3rd on team 102.1 -0.025
2014-04-29 Ithaca/Freeland/Shepherd MS TVC 100m 16.41 12th · 3rd on team -0.038 ★PR SR
2014-04-29 Ithaca/Freeland/Shepherd MS TVC 1600m 6:13.82 6th · 3rd on team 107.3 -0.038 PR R SR RSR
2014-04-29 Ithaca/Freeland/Shepherd MS TVC 200m 32.94 9th · 5th on team -0.038 ★PR SR
2014-04-22 Hemlock/St. Louis/Shepherd MS Meet 200m 35.82 12th · 6th on team -0.028 PR SR
2014-04-22 Hemlock/St. Louis/Shepherd MS Meet 1600m 6:41.04 5th · 3rd on team 102.0 -0.028 PR R SR RSR
2014-04-22 Hemlock/St. Louis/Shepherd MS Meet 400m 1:20.7 9th · 6th on team -0.028 PR SR