A roundup of the week July 21-27

BOATING—ROBIN, a 43-foot sloop skippered by Lee Van Gemert and owned by Ted Hood, won the trans-Atlantic race from Newport with a corrected time of 14 days, 21:41:00. The 79-foot yawl Kialoa was the first to finish, reaching Portsmouth, England last week.

CYCLING—JOHN HOWARD of Houston won the 123-mile senior men's division in 5:05:27.0 at the National Bicycle Championships in Milwaukee. LINDA STEIN of Paramount, Calif. took the 35-mile women's race in 1:33:28.40.

PRO FOOTBALL—WFL: The league's second season opened in San Antonio with the Wings stinging the Charlotte Hornets 27-10 before a crowd of 12,248. Running Back Bill Sadler led San Antonio, scoring twice from the two. Four of the Hornets' seven turnovers resulted in all the Wings' scores.

GOLF—TOM WEISKOPF won the Canadian Open and $40,000 in He Bizard, Quebec on the first hole of a sudden-death playoff with Jack Nicklaus. The pair were tied at six-under-par 274 at the end of regulation play.

Carol Mann shot a final-round one-under-par 72 for a 12-under-par 206 total to beat Susie McAllister by four strokes in the $40,000 George Washington Classic in Horsham, Pa. Mann collected $5,700 for the victory.

HARNESS RACING—SILK STOCKINGS ($3.00), driven by Preston Burris Jr., set a world record for fillies and mares with a 1:57[3/5] clocking over the half-mile Monticello Raceway. Shirley's Beau was three lengths back in the $230,521 OTB Classic, the richest pace ever (page 14).

Hero Almahurst ($9.60), Ben Webster driving, won the $101,550 Realization Trot by a head over Way To Reason at Roosevelt Raceway in New York. The skittish winner covered the 1[1/16] miles in 2:11.

HORSE RACING—DEARLY PRECIOUS ($4.20), Mike Hole riding, won the $105,205 Sorority Stakes for 2-year-old fillies by 2¼ lengths over Optimistic Gal at Monmouth Park in Oceanport, N.J. Her time for the six furlongs was 1:10[2/5].

English and Irish Derby winner GRUNDY, ridden by Pat Eddery, hung on for a half-a-length victory over Bustino in the King George VI and Queen Elizabeth Diamond Stakes at Ascot. Grundy, who earned $176,106 for the win, became the alltime-high money-winner for a British-trained horse and was timed in 2:26.98 for the 1½ miles, more than two seconds under the turf stakes record set last year.

LACROSSE—NLL: Last-place Boston perked up and roared past league-leading Long Island 23-12 and second-place Montreal 18-7. Ivan Thompson of the Bolts did most of the damage, scoring six goals and assisting on five others. Maryland's Cy Coombs, who a week earlier was fired as coach, tallied five goals in two losing causes. Philadelphia split two games with Montreal and Long Island hung onto its lead by splitting four contests.

SOCCER—NASL: The once mighty St. Louis Stars were losing more than they won and their onetime bulge over the rest of the division (33 points) was more of a bump as Chicago took its fifth straight to come within 12 points of the Stars. Tampa Bay clinched at least a tie for the Eastern title by beating Washington 3-1 and routing second-place Miami 5-1. Derek Smethurst of the Rowdies tied a league record by scoring in six consecutive games. Baltimore, with General Manager Al Collins acting as coach, won three games to move out of the Eastern cellar. Thanks to Peter Withe's two goals, Western leader Portland defeated second-place Seattle 2-1 before 27,310 in Portland, the league's largest non-Pelé gathering. Los Angeles remained in wildcard contention as Uri Banhoffer got his third hat trick of the season in a 5-0 defeat of Hartford, which had halted an 11-game losing streak against San Jose the night before. Boston hopped into the Northern lead with victories over Vancouver and second-place Toronto. Desperate for a playoff berth, the New York Cosmos beat San Jose 2-1 in a tie breaker and purchased high-scoring Tommy Ord from Rochester, but still had to win all four of their remaining games to stay in the race for a wildcard spot.

ASL: Mohammed (Baby Jet) Attiah, the league's scoring leader, tallied his 11th goal of the season for Rhode Island as the Oceaneers slipped by Pittsburgh. It was the Miners' third straight 1-0 loss. The Oceaneers continued to head the Northern Division by five points over Connecticut, which had its game with Eastern leader New York suspended when many of the 2,300 Hartford fans swarmed over the field after a controversial Appollo goal. Cincinnati and Cleveland were tied for first in the Midwestern. Boston beat Cincinnati 1-0 when Derli Borges picked off an errant pass and converted it into a 20-yard goal.

SWIMMING—The East German women's team set four world records, but Americans continued to dominate the men's events as the U.S. look the team title 178 to 86 for second-place Great Britain, at the second World Aquatics Championships in Cali, Columbia (page 8).

TRACK & FIELD—NENAD STEKIC of Yugoslavia long-jumped 27'8¾", the second-longest leap ever, at the International Athletics Competition in Montreal. (The world record of 29'2½" was set by Bob Beamon at the Mexico City Olympics.) American KATHY McMILLAN captured the women's long jump with a 21'4¼" effort. KATHY SCHMIDT was another American woman winner, with a 205'4" javelin toss.

Reggie Jones of Saginaw, Mich. joined a long list of world record holders for the 100-meter dash (9.9) in a meet at Boston University.

Guy Drut of France tied Rod Milburn's 110-meter hurdles world record of 13.1 at an international meet in St. Maur, France.

VOLLEYBALL—San Diego saw its season-long hold on first place come to an end as the Los Angeles Stars topped the Breakers 13-11, 14-12, 12-8 to lie for the lead. Stars Player-Coach Jon Stanley landed 32 kills and Assistant Dodge Parker had 46 assists. Earlier in the week both teams defeated El Paso-Juarez, coached by Mary Jo Peppier (page 48). The Sol's third road defeat came at the hands of Santa Barbara 4-12, 12-9, 12-5, 12-7 as Stan Gosciniak recorded 75 assists and nine saving digs for the third-place Spikers.

MILEPOSTS—FIRED: Kansas City Royal Manager JACK McKEON, 44, with a year remaining on his two-year contract. WHITEY HERZOG, third-base coach of the California Angels, was named to succeed McKeon.

FIRED: Texas Ranger Manager BILLY MARTIN, 47, with one year left on his three-year contract. Last year Martin led the Rangers to a second-place division finish behind Oakland, but this season the club had fallen to third, 15½ games behind the A's, when Ranger Third-Base Coach FRANK LUCCHESI was named to succeed Martin for the remainder of the year.

HIRED: ABE GIBRON, formerly head coach of the Chicago Bears, to the same position with the WFL's Chicago Winds.

RESIGNED: RON WALLER, 42, coach of the WFL Philadelphia Bell, citing a "sense of futility" after being informed that the team's first exhibition game drew a paid attendance of 2,614. Last year Waller guided the Bell to a 9-11 record.

DIED: EMLEN TUNNELL, 50, seven-time All-Pro who set 16 New York Giant and four NFL records as a safety for the Giants (1948-58) and Green Bay Packers (1959-61); of an apparent heart attack; in Pleasantville, N.Y. The first black named to the Pro Football Hall of Fame, Tunnell was the Giants' assistant director of player personnel.

DIED: EDWARD W. MAHAN, 83, who Jim Thorpe called the greatest football player he had ever seen; in Natick, Mass. Mahan was a three-time All-America running back at Harvard in a period (1913-15) during which the Crimson lost only once.