Tim's not signed up for Monaco, unfortunately, which impacts how fast the field will go.
Which of these guys was not doping? I removed repeat performers.
All-time men's best 1500 m
+=intermediate time in 1 Mile race (official, unofficial or estimates)
1 3:26.00 Hicham El Guerrouj MAR 14.09.74 1 Roma 14.07.1998 * teammate busted in 2005
3 3:26.34 Bernard Lagat KEN 12.12.74 2 Bruxelles 24.08.2001 * positive test in 2003 rescinded
5 3:26.69 Asbel Kiprop KEN 30.06.89 1 Monaco 17.07.2015 * banned for doping 2018
10 3:27.37 Noureddine Morceli ALG 28.02.70 1 Nice 12.07.1995
13 3:27.64 Silas Kiplagat KEN 20.08.89 1 Monaco 18.07.2014
18 3:28.12 Noah Ngeny KEN 02.11.78 2rA Zürich 11.08.2000
24 3:28.41 Timothy Cheruiyot KEN 20.11.95 1 Monaco 20.07.2018
30 3:28.75 Taoufik Makhloufi ALG 29.04.88 2 Monaco 17.07.2015 * formerly in Aden's group
32 3:28.79 Abdelati Iguider MAR 25.03.87 3 Monaco 17.07.2015
33 3:28.80 Elijah Manangoi KEN 05.01.93 1 Monaco 21.07.2017
34 3:28.81 Mohamed Farah GBR 23.03.83 2 Monaco 19.07.2013 * mid to late career dominance
34 3:28.81 Ronald Kwemoi KEN 18.09.95 3 Monaco 18.07.2014
43 3:28.95 Fermin Cacho ESP 16.02.69 2rA Zürich 13.08.1997 * doping widespread in Spanish athletics
44 3:28.98 Mehdi Baala FRA 17.08.78 2 Bruxelles 05.09.2003
45 3:29.02 Daniel Kipchirchir Komen KEN 27.11.84 1r2 Roma 14.07.2006
52 3:29.14 Rashid Ramzi BRN 17.07.80 2r2 Roma 14.07.2006 * medal stripped in 2008 for doping with CERA
53 3:29.18 Vénuste Niyongabo BDI 09.12.73 2 Bruxelles 22.08.1997
61 3:29.29 William Chirchir KEN 06.02.79 3 Bruxelles 24.08.2001
66 3:29.46 Saïd Aouita MAR 02.11.59 1r1 Berlin 23.08.1985 *recommended doping to Aussies as coach
66 3:29.46 Daniel Komen KEN 17.05.76 1 Monaco 16.08.1997
68 3:29.47 Augustine Choge KEN 21.01.87 1 Berlin 14.06.2009
69 3:29.50 Caleb Ndiku KEN 09.10.92 3 Monaco 19.07.2013
71 3:29.51 Ali Saïdi-Sief ALG 15.03.78 1 Lausanne 04.07.2001 * doping positive and ban
73 3:29.53 Amine Laâlou MAR 13.05.82 2 Monaco 22.07.2010
75 3:29.58 Ayanleh Souleiman DJI 03.12.92 4 Monaco 18.07.2014 *Drugs found with his coach/trainer at Sabadell hotel where he was staying
79 3:29.66 Nick Willis NZL 25.04.83 5 Monaco 17.07.2015 Never a whisper about doping
80 3:29.67 Steve Cram GBR 14.10.60 1 Nice 16.07.1985 Same
91 3:29.77 Sydney Maree USA 09.09.56 1 Köln 25.08.1985
91 3:29.77 Sebastian Coe GBR 29.09.56 1 Rieti 07.09.1986 * toxic plasmosis often associated with blood doping
91 3:29.77 Nixon Chepseba KEN 12.12.90 2 Monaco 20.07.2012
99 3:29.91 Laban Rotich KEN 20.01.69 2rA Zürich 12.08.1998
99 3:29.91 Aman Wote ETH 18.04.84 6 Monaco 18.07.2014
108 3:30.01 Filip Ingebrigtsen NOR 20.04.93 3 Monaco 20.07.2018 * younger brother with same coach ran 3:30 at 18!
110 3:30.04 Timothy Kiptanui KEN 05.01.80 2 Saint-Denis 23.07.2004
113 3:30.07 Rui Silva POR 03.08.77 3 Monaco 19.07.2002
115 3:30.10 Robert Biwott KEN 28.01.96 7 Monaco 17.07.2015
121 3:30.16 Jakob Ingebrigtsen NOR 19.09.00 2 Lausanne 05.07.2019 * family does lactic acid testing during workouts