IM Age Group Series
IM AG Series/Athletes/Arthur Mathisen

Arthur Mathisen

PROFILE · US · M55-59
RANK
3227
GLOBAL
151
M55-59
OpenRank-AG
67.3
Δ +0.0 wk
IM Pro
11,598
Δ +0.0 wk
PTO-AG
67.8
Δ +0.0 wk
Age-Graded
109.2%
Δ +0.0 wk

SEASON

62 TOTAL RACES
Year
10 races in 2026
Best 2026 OpenRank
54.9
70.3 Dallas-Little Elm · 03-15
2026 season high
1
AG of 56 · 70.3 Western Massachusetts
Best per system
1,247
IM-Pro · PTO 54.8 · Age 103.9
Races in 2026
10
7 finished, 3 DNF/DNS/DQ

SCORE TRAJECTORY · 2026

03·1505·2406·2107·2509·20

RACE RESULTS — 2026

62 total races
DateRaceDistAG placeTimeSwimBikeRunOR-AGIM ProPTO-AGAge-Gr
2026-10-042026 IRONMAN 70.3 Waco70.32/584:15:1900:002:25:431:47:280.000.00.0
2026-09-202026 IRONMAN 70.3 Washington Tri-Cities70.30/970:00:0022:492:34:090:00:000.000.00.0
2026-09-132026 IRONMAN 70.3 Santa Cruz70.33/754:48:1732:202:24:141:44:420.000.00.0
2026-07-252026 IRONMAN 70.3 Boise70.30/660:00:0000:002:28:240:00:000.000.00.0
2026-07-122026 IRONMAN 70.3 Musselman70.33/894:47:4333:052:29:191:39:500.000.00.0
2026-06-212026 IRONMAN 70.3 Coeur d'Alene70.30/440:00:0037:222:41:260:00:000.000.00.0
2026-06-072026 IRONMAN 70.3 Western Massachusetts70.31/564:17:0200:002:29:151:44:080.000.00.0
2026-05-242026 IRONMAN 70.3 Victoria70.32/554:55:1232:422:40:061:37:400.000.00.0
2026-05-092026 IRONMAN 70.3 Gulf Coast70.32/694:04:0210:062:13:141:35:170.000.00.0
2026-03-152026 IRONMAN 70.3 Dallas-Little Elm70.35/1054:29:1200:002:37:561:48:2154.91,24754.8103.9

BEST PERFORMANCES

TOP 3 PER SYSTEM
SystemRaceScore
OpenRank-AG70.3 Victoria · 05-2570.7
IM Pro70.3 Western Massachusetts · 06-082,500
PTO-AG70.3 Victoria · 05-2571.4
Age-Graded70.3 Des Moines · 06-20125.5%

PERSONAL RECORDS

BY DISTANCE
DistanceRaceTimeYear
70.370.3 Des Moines3:33:072021
Swim70.3 Coeur d'Alene0:07:162024
Run70.3 Maine1:26:572021