| 1998 World Junior Championships in Athletics | |
| Host City: |  Annecy, France |
| Nations: | 169 |
| Athletes: | 1156 |
| Events: | 43 |
| Dates: | 28 July – 2 August |
| Stadium: | Parc des Sports |
| Previous: | 1996 Sydney |
The 1998 World Junior Championships in Athletics is the 1998 edition of the World Junior Championships in Athletics. It was held in Annecy, France from July 28 to August 2.
| Christian Malcolm | 10.12 WJL | Amar Johnson | 10.34 PB | Dwight Thomas | 10.40 | ||
| Christian Malcolm | 20.44 WJL | Jairo Duzant | 20.92 NJR | Russell Frye | 20.94 | ||
Nduka Awazie | 45.54 PB | Casey Vincent | 45.55 PB | Fawzi Al Shammari | 45.89 NJR | ||
William Chirchir | 1:47.23 | Wilfred Bungei | 1:47.53 | Paskar Owor | 1:48.20 PB | ||
Adil Kaouch | 3:42.43 | Benjamin Kipkurui | 3:42.67 | Robert Witt | 3:43.47 | ||
Million Wolde | 13:47.49 | Kipchumba Mitei | 13:49.60 | Reuben Kiyara Kamzee | 13:51.22 1 | ||
| Benson Barus | 29:24.28 | Salim Kipsang | 29:36.80 | Alene Emere | 29:47.60 | ||
Staņislavs Olijars | 13.51 | Sharif Paxton | 14.10 | Florian Seibold | 14.21 | ||
Periklis Iakovakis | 49.82 WJL | Osiris Martínez | 50.17 PB | Peter Bate | 50.83 | ||
| Reuben Kosgei | 8:23.76 WJL | Abraham Cherono | 8:32.24 | El Moustapha Mellour | 8:34.91 PB | ||
| Roman Rasskazov | 41:55.95 | Liu Yunfeng | 42:01.11 | Mario Iván Flores | 42:04.55 | ||
| 39.70 WJL | 39.71 | 39.99 | |||||
| 3:04.74 WJL | 3:05.06 | 3:05.31 | |||||
Alfredo Deza | 2.21 | Yin Xueli | 2.21 PB | Aleksandr Veryutin | 2.21 PB | ||
| Pavel Gerasimov | 5.55 PB | Lars Börgeling | 5.50 | Paul Burgess Adam Ptacek  Giuseppe Gibilisco | 5.20 | ||
Petar Dachev | 8.14 NJR | Abdel Rahmane Al-Nubi | 8.11 AJR | Luis Felipe Méliz | 7.91 | ||
Ionut Punga | 16.94 WJL | Ivaylo Russinov | 16.65 PB | Gregory Yeldell | 16.44 PB | ||
Mikulas Konopka | 18.50 | Janus Robberts | 18.15 | Carl Myerscough | 18.12 | ||
Zoltán Kővágó | 59.36 | Emeka Udechuku | 57.99 | Gabor Mate | 56.96 | ||
Olli-Pekka Karjalainen | 72.40 CR | Yuriy Voronkin | 69.66 | Wojciech Kondratowicz | 68.93 | ||
| David Parker | 72.85 | Gerhardus Pienaar | 71.16 PB | Yukifumi Murakami | 70.72 | ||
| Aki Heikkinen | 7476 | Thomas Poge | 7332 PB | Jaakko Ojaniemi | 7246 PB | ||
1 Ahmed Baday of Morocco originally won the bronze medal in 13:49.86, but he was disqualified after it was discovered he was 24 years old at the time of the Championships.[1]
| Shakedia Jones | 11.19 | Angela Williams | 11.27 | Joan Uduak Ekah | 11.50 | ||
| Muriel Hurtis | 23.22 | Shakedia Jones | 23.39 | Sarah Wilhelmy | 23.56 | ||
| Natalya Nazarova | 52.02 | Nakiya Johnson | 52.09 PB | Yupalis Díaz | 52.39 NJR | ||
| Olga Mikayeva | 2:05.34 | Jebet Langat | 2:05.43 | Naomi Misoi | 2:05.77 | ||
| Lan Lixin | 4:10.05 | Yemenashu Taye | 4:11.97 PB | Bouchra Benthami | 4:12.76 | ||
| Yin Lili | 8:57.09 PB | Yemenashu Taye | 9:01.70 | Edna Kiplagat | 9:05.46 | ||
| Yin Lili | 15:29.65 CR | Faith Jemutai | 15:34.48 PB | Meryma Hashim | 15:39.57 PB | ||
| Julie Pratt | 13.75 | Sun Hong Wei | 13.75 | Susanna Kallur | 13.77 | ||
| Li Yu Lian | 55.93 | Allison Beckford | 57.19 NJR | Sun Hong Wei | 57.43 | ||
| Sabine Zimmer | 21:14.39 | Jolanta Dukure | 21:17.89 NJR | Xue Ailing | 21:28.57 PB | ||
| 43.52 WJL | 44.07 NJR | 44.61 | |||||
| 3:32.29 WJL | 3:32.35 | 3:32.85 | |||||
| Marina Kuptsova | 1.88 | Marie Norrman | 1.88 PB | Tatyana Efimenko Nevena Lendjel  | 1.84 | ||
| Monika Gotz | 4.20 | María Mar Sánchez Monika Pyrek | 4.10 NJR 4.10 NJR | None awarded | None awarded | ||
| Peng Fengmei | 6.59 | Lu Xin | 6.57 | Maria Chiara Baccini | 6.55 NJR | ||
Baya Rahouli | 14.04 AJR | Maria Solomon | 13.75 PB | Marija Martinovic | 13.47 | ||
| Nadzeya Astapchuk | 18.23 WJL | Du Xianhui | 17.69 PB | Nadine Banse | 16.94 | ||
| Liu Fengying | 60.66 | Mélina Robert-Michon | 55.01 | Lacramioara Ionescu | 54.64 | ||
| Bianca Achilles | 61.79 | Sini Pöyry | 61.76 NJR | Maureen Griffin | 60.14 | ||
| Osleidys Menéndez | 68.17 WJL | Liang Lili | 61.72 PB | Wei Jianhua | 59.10 | ||
| Shen Shengfei | 5815 | Susanna Rajamäki | 5721 | Viorica Țigău | 5720 PB | ||
According to an unofficial count through an unofficial result list, 1156 athletes from 169 countries participated in the event. This is in agreement with the official numbers as published.