John Mason

Rating History

Crew Rating

Career: 23.58 percentile of ICSA crews
0.751.001.251.501.752.002.25O. Guck (15 races): -0.15O. GuckD. Botwinick (2 races): +0.01D. BotwinickFall 2024: rating 1.56Fall 2024University of Rhode IslandP. Falk (23 races): +0.14P. FalkSpring 2025: rating 1.92Spring 2025University of Rhode IslandL. Burnham (6 races): -0.24L. BurnhamO. Grainger (5 races): +0.15O. GraingerK. Grupenhoff (9 races): +0.08O. Guck (4 races): +0.02Fall 2025: rating 1.12Fall 2025University of Rhode IslandP. Falk (7 races): -0.20P. FalkM. Sigel (15 races): -0.03M. SigelSpring 2026: rating 1.00Spring 2026University of Rhode IslandP. Falk (10 races): -0.33P. FalkH. Carter (9 races): -0.02H. CarterO. Grainger (10 races): +0.01Fall 2026: rating 1.22Fall 2026University of Rhode Island
▲ boats did better with this crew than with the skipper's usual crews▼ worseArrow length = size of the push, in rating points
Season Team Rating Range League
percentile
Team
percentile
On team Races Team page
Fall 2026 University of Rhode Island 1.22 Rating 1.22; 90% range -1.6 to 4.0; team skipper average 2.34 46.92 9.38 15 of 16 29 Team page
Spring 2026 University of Rhode Island 1.00 Rating 1.00; 90% range -1.7 to 3.7; team skipper average 2.34 48.40 15.00 9 of 10 22 Team page
Fall 2025 University of Rhode Island 1.12 Rating 1.12; 90% range -1.6 to 3.9; team skipper average 2.31 46.86 14.71 15 of 17 24 Team page
Spring 2025 University of Rhode Island 1.92 Rating 1.92; 90% range -0.8 to 4.7; team skipper average 2.79 61.54 26.92 10 of 13 23 Team page
Fall 2024 University of Rhode Island 1.56 Rating 1.56; 90% range -1.3 to 4.4; team skipper average 2.61 53.97 10.87 21 of 23 17 Team page

Team Race Rating

Rating Rank vs fleet rating Record
1.35 (fleet 1.87) unranked (fewer than 30 matches as skipper, or not active) +0.00
about what the fleet rating predicts
as crew 15–15 (50%)
SeasonRegattas Skipper W–LCrew W–L
Spring 20263—15–15

Team race surprisal: regatta by regatta

Over 3 graded regattas (30 matches) the record is 15–15 against 14.8 wins the pre-event forecasts expected (+0.2). 0 regattas clearly above the rating (P ≤ 20%), 0 clearly below (P ≥ 80%); 0 bits of surprise in all.

DateRegattaRole Value Perf. RecordExp.
wins
Δ Surprise
(bits)
P(this good
or better)
2026-03-21Aaron Szambecki Team Racecrew2.782.714–94.1−0.070.067%
2026-03-07Salve TR Invitecrew2.753.068–27.6+0.310.154%
2026-03-01McMerrick Team Race Sundaycrew2.222.163–43.0−0.060.076%

Regatta results

Regatta Role Div Races Avg Rating
Fall 2026 Team page Season
Shields Trophy Keelboat Crew A 6 7.2 —
The George Warren Smith '22 Trophy 2026 Crew A 9 8.1 -0.02
Bears Invite Crew A 10 13.8 -0.33
The 35th Captain Hurst Bowl Crew A 10 12.8 +0.01
Spring 2026 Team page Season
Saturday Salve Invite Crew A 7 5.7 -0.20
Salve TR Invite Crew TR 10 60% —
Oberg Trophy Crew B 14 5.1 +0.04
NEISA Open FR Champs - Coast Guard Alumni Bowl Crew B 1 14.0 -0.07
McMerrick Team Race Sunday Crew TR 7 43% —
Aaron Szambecki Team Race Crew TR 13 31% —
Fall 2025 Team page Season
Oberg Trophy Crew A 5 6.2 +0.15
The Hood Trophy Crew A 4 9.8 +0.02
Great Herring Pond Open Crew A 6 3.7 -0.24
Charles Invite Crew B 9 2.8 +0.08
Spring 2025 Team page Season
Vietor Trophy Crew A 12 9.1 +0.08
Southern 5 Saturday Crew B 5 1.6 +0.38
Southern 7 Skipper B 4 5.8 -0.19
O’Toole Sunday Skipper B 6 5.0 1.19
George Morris Trophy Crew B 6 7.2 -0.32
CGA J70 Invite #3 Keelboat Crew A 12 5.8 —
Fall 2024 Team page Season
Terrier Invite Skipper B 6 10.0 1.21
Salve Invite Skipper B 9 2.8 0.85
Mt. Hope Bay Invite Skipper A 14 8.0 2.26
Moody Trophy Crew A 4 11.8 -0.15
Hood Trophy Crew A 13 11.1 +0.00
Great Herring Pond Open Skipper A 11 3.5 2.21

From the notes

Short write-ups of what the ratings and results show, with the numbers and how they were computed.

All notes →